Entries |
Document | Title | Date |
20080199510 | THERMO-MECHANICALLY CONTROLLED IMPLANTS AND METHODS OF USE - An implant comprises a structure that may be implanted into tissue and that has a first material property at normal body temperature. The first material property is variable at elevated temperatures above normal body temperature. The implant also has a plurality of particles dispersed in the structure that are adapted to convert incident radiation into heat energy when irradiated with electromagnetic radiation. The particles are in thermal contact with the structure such that exposure of the particles to incident radiation raises the temperature of the structure thereby changing the first material property relative to the first material property at normal body temperature. | 08-21-2008 |
20080206308 | Hydrogel Porogents for Fabricating Biodegradable Scaffolds - Hydrogel microparticles with entrapped liquid are used as the porogen to reproducibly form interconnected pore networks in a porous scaffold. In one embodiment, a biodegradable unsaturated polymer, a crosslinking agent, and a porogen comprising biodegradable hydrogel microparticles are mixed together and allowed to form a porous scaffold in an mold or in a body cavity. Example biodegradable unsaturated polymers include poly(propylene fumarate) and poly(e-caprolactone-fumarate). The cosslinking agent may be a free radical initiator, or may include a free radical initiator and a monomer capable of addition polymerization. Example hydrogel microparticles include uncrosslinked or crosslinked collagen , an uncrosslinked or crosslinked collagen derivative, and an uncrosslinked or crosslinked synthetic biodegradable polymer such as oligo(poly(ethylene glycol) fumarate). | 08-28-2008 |
20080220046 | Terpolymers for Controlled Release of Bioactive Agents From Implantable Medical Devices - Disclosed herein are implantable medical devices comprising controlled release terpolymers and at least one drug releasable from said terpolymers coating. The terpolymers of the present invention are comprised of acrylate and/or vinyl monomers. | 09-11-2008 |
20080220047 | Low-swelling biocompatible hydrogels - Some aspects of the present disclosure relate to a surgical treatment for treating a tissue inside a vertebral column by forming a low-swelling biodegradable hydrogel in situ adherent to a tissue inside the vertebral column and substantially exterior to a theca in the vertebral column. | 09-11-2008 |
20080220048 | Nitric Oxide-Releasing Biodegradable Polymers Useful as Medical Devices and Coatings Therefore - Nitric Oxide (NO)-releasing polymers useful as implantable medical devices and coatings therefore are provided. Specifically the implantable medical devices and/or coatings comprise NO-releasing biodegradable polymers derived from [1,4]oxazepan-7-one and its derivatives. The medical devices and coatings of the present invention can also be used for in situ controlled release delivery of additional bioactive agents and are useful for treating or preventing medical conditions such as restenosis, aneurysms and vulnerable plaque. | 09-11-2008 |
20080226693 | Apparatus and Method for Making a Polymeric Structure - The apparatus and method for preparing a polymeric structure from which a number of medical devices may be constructed is described. The structures are preferably formed from bioabsorbable materials using low temperature fabrication processes, whereby drugs or other bio-active agents are incorporated into or onto the device and degradation of the drugs or other agents during processing is minimized. The method includes preparing a solution of at least one bioabsorbable polymer and a solvent. The solution is then deposited onto a stage and converted into a structure. The solvent is evaporated from the structure. The dried solution forms a structure that is removed from the stage and further dried before being stored in an inert environment. Thereafter, a medical device such as a stent may be constructed from the structure. | 09-18-2008 |
20080226694 | Method for introducing superhydrophobic articles into the human body - An article to be inserted into the human body has a superhydrophobic surface. The superhydrophobic surface is coated with a water soluble thin but durable protective coat. One positioned inside the body the coating is rapidly dissolved by the blood or other fluids and exposes the superhydrophobic surface. To coat article the water based coating is mixed with a liquid capable of wetting the superhydrophobic surface but is still dissolvable or at least miscible in the coating. As an example, a glucose or sucrose solution in water is mixed with alcohol and used to coat the surface. After water and alcohol evaporation, a durable protective coat of sugar remains. After the coated article is inserted into the body, the coating is rapidly dissolved and absorbed by the body. | 09-18-2008 |
20080233170 | Osteogenic Proteins - Disclosed are (1) osteogenic devices comprising a matrix containing substantially pure natural-sourced mammalian osteogenic protein; (2) DNA and amino acid sequences for novel polypeptide chains useful as subunits of dimeric osteogenic proteins; (3) vectors carrying sequences encoding these novel polypeptide chains and host cells transfected with these vectors; (4) methods of producing these polypeptide chains using recombinant DNA technology; (5) antibodies specific for these novel polypeptide chains; (6) osteogenic devices comprising these recombinantly produced proteins in association with an appropriate carrier matrix; and (7) methods of using the osteogenic devices to mimic the natural course of endochondral bone formation in mammals. | 09-25-2008 |
20080241215 | LOCAL VASCULAR DELIVERY OF PROBUCOL ALONE OR IN COMBINATION WITH SIROLIMUS TO TREAT RESTENOSIS, VULNERABLE PLAQUE, AAA AND STROKE - Medical devices, and in particular implantable medical devices, may be coated to minimize or substantially eliminate a biological organism's reaction to the introduction of the medical device to the organism. The medical devices may be coated with any number of biocompatible materials. Therapeutic drugs, agents or compounds may be mixed with the biocompatible materials and affixed to at least a portion of the medical device. These therapeutic agents or compounds may also further reduce a biological organism's reaction to the introduction of the medical device to the organism. In addition, these therapeutic drugs, agents and/or compounds may be utilized to promote healing, including the prevention of thrombosis. The drugs, agents, and/or compounds may also be utilized to treat specific disorders, including vulnerable plaque. Therapeutic agents may also be delivered to the region of a disease site. In regional delivery, liquid formulations may be desirable to increase the efficacy and deliverability of the particular drug. Also, the devices may be modified to promote endothelialization. Various materials and coating methodologies may be utilized to maintain the agents or compounds on the medical device until delivered and positioned. In addition, the devices utilized to deliver the implantable medical devices may be modified to reduce the potential for damaging the implantable medical device during deployment. Medical devices include stents, grafts, anastomotic devices, perivascular wraps, sutures and staples. In addition, various polymer combinations may be utilized to control the elution rates of the therapeutic drugs, agents and/or compounds from the implantable medical devices. | 10-02-2008 |
20080241216 | Preparation Containing Active and/or Auxiliary Substances, With Controllable Release of Said Substances, As Well As Its Use and Manufacture - A preparation containing active and/or auxiliary substance(s) for the time- and/or dose-controllable release of said substances, comprising at least two layers ( | 10-02-2008 |
20080241217 | COMPOSITIONS AND METHODS FOR COATING MEDICAL IMPLANTS - Medical implants are provided which release an anthracycline, fluoropyrimidine, folic acid antagonist, podophylotoxin, camptothecin, hydroxyurea, and/or platinum complex, thereby inhibiting or reducing the incidence of infection associated with the implant. | 10-02-2008 |
20080241218 | Coated medical devices for abluminal drug delivery - The invention relates generally to an implantable medical device for delivering a therapeutic agent to the body tissue of a patient, and a method for making such a medical device. In particular, the invention pertains to an implantable stent, such as an intravascular stent, having a coating comprising an inorganic or ceramic oxide, metal or inert carbon and a plurality of reservoirs in such material that contain a therapeutic agent. | 10-02-2008 |
20080248086 | CURABLE THERAPEUTIC IMPLANT COMPOSITION - The exemplary embodiments of the present invention relates to a curable therapeutic implant composition for use in the filling of a cavity in a living organism, comprising particles of a metallic material, and a curable matrix-forming, non-particulate material, wherein at least one of the metallic material or the matrix-forming material is at least partially degradable in-vivo. Furthermore, the exemplary embodiments of the present invention relate to methods of filling a cavity in a living organism with the use of the curable implant composition. | 10-09-2008 |
20080254095 | DELIVERY DEVICE AND METHOD FOR FORMING THE SAME - A delivery device includes a hollow container, and a plurality of biodegradable and/or erodible polymeric layers established in the container. A layer including a predetermined substance is established between each of the plurality of polymeric layers, whereby degradation of the polymeric layer and release of the predetermined substance occur intermittently. Methods for forming the device are also disclosed herein. | 10-16-2008 |
20080260801 | COMPOSITE MATERIAL, ESPECIALLY FOR MEDICAL USE, AND METHOD FOR PRODUCING THE MATERIAL - A biocompatible, resorbable composite material having good mechanical properties, and can be populated by cells is provided comprising | 10-23-2008 |
20080260802 | Biocompatible hydrogels made with small molecule precursors - Biocompatible crosslinked polymers, and methods for their preparation and use, are disclosed in which the biocompatible crosslinked polymers are formed from water soluble precursors having electrophilic and nucleophilic functional groups capable of reacting and crosslinking in situ. Methods for making the resulting biocompatible crosslinked polymers biodegradable, or not, are provided, as are methods for controlling the rate of degradation. The crosslinking reactions may be carried out in situ on organs or tissues or outside the body. Applications for such biocompatible crosslinked polymers and their precursors include controlled delivery of drugs, prevention of post-operative adhesions, coating of medical devices such as vascular grafts, wound dressings and surgical sealants. Visualization agents may be included with the crosslinked polymers. Embodiments that include hydrogels having isolated hydrolytically degradable esters are set forth. Embodiments including the use of low molecular weight amines to make degradable hydrogels are also set forth. | 10-23-2008 |
20080268018 | Method for forming crystallized therapeutic agents on a medical device - A method of crystallizing a therapeutic agent in a coating on an implantable medical device, and uses thereof, are disclosed. | 10-30-2008 |
20080268019 | Biohybrid elastomeric scaffolds and methods of use thereof - Provided herein is a biohybrid elastomeric scaffold comprising a synthetic polymeric component and a biological polymeric component. The scaffold can be fabricated to have many different forms, non-limiting examples of which include a non-woven fibrous mesh or in a porous composite. Methods of use of the biohybrid elastomeric scaffolds in wound healing and tissue regeneration are also provided. | 10-30-2008 |
20080279911 | Medical devices having crosslinked polymeric surfaces - According to an aspect of the invention, medical devices are provided which contain at least one polymeric region. The polymeric region contains at least one copolymer, which includes at least one high Tg vinyl aromatic monomer and at least one low Tg monomer. Moreover, the polymeric region contains at least one surface sub-region that is crosslinked and at least one bulk sub-region that is substantially non-crosslinked. According to another aspect of the invention, a method is provided which includes exposing a polymeric region of a medical device to energetic species such that at least one surface sub-region of the polymeric region becomes crosslinked and at least one bulk sub-region remains substantially non-crosslinked. The polymeric region contains at least one copolymer, which includes at least one high Tg vinyl aromatic monomer and at least one low Tg monomer. | 11-13-2008 |
20080286334 | OCULAR IMPLANT MADE BY A DOUBLE EXTRUSION PROCESS - The invention provides biodegradable implants sized for implantation in an ocular region and methods for treating medical conditions of the eye. The implants are formed from a mixture of hydrophilic end and hydrophobic end PLGA, and deliver active agents into an ocular region without a high burst release. | 11-20-2008 |
20080286335 | Enhancement Of The Calcium Sensing Receptor - The disclosure relates to medical devices capable of enhancing ossification in a subject. More specifically, the disclosure relates to the use of devices comprising a releasable calcium sensing receptor agonist and a releasable calcium salt. | 11-20-2008 |
20080286336 | OCULAR IMPLANT MADE BY A DOUBLE EXTRUSION PROCESS - The invention provides biodegradable implants sized for implantation in an ocular region and methods for treating medical conditions of the eye. The implants are formed from a mixture of hydrophilic end and hydrophobic end PLGA, and deliver active agents into an ocular region without a high burst release. | 11-20-2008 |
20080299174 | Bis-(Alpha-Amino)-Diol-Diester-Containing Poly (Ester Amide) and Poly (Ester Urethane) Compositions and Methods of Use - The present invention provides biodegradable, biocompatible bis-(α-amino acyl)-diol-diester-containing poly(ester amide) (PEA) and poly(ester urethane) (PEUR) co-polymer compositions with mechanical properties that can be readily tailored by selection of various combinations and proportions of the building blocks of the co-polymers. The compositions are suitable for use in production of drug-releasing biodegradable particles and implantable surgical devices, such as stents and internal fixation devices. The co-polymer compositions, particles and surgical devices biodegrade in vivo by enzymatic action to release bioactive agents in a controlled manner over time as well as biocompatible breakdown products, including one to multiple different amino acids. | 12-04-2008 |
20080299175 | Preparation of Bone Material - The invention provides a bone material having a specific surface area of at least 80 m | 12-04-2008 |
20080305148 | Treatment of spinal injuries using human umbilical mesenchymal stem cells - Transplantation of human umbilical mesenchymal stem cells (HUMSCs) to an area of a spinal injury is therapeutically effective in treating the spinal injury. Methods for treating spinal injuries based on such transplantation are described. | 12-11-2008 |
20080311173 | IMPLANTABLE OR INSERTABLE MEDICAL DEVICES FOR CONTROLLED DELIVERY OF A THERAPEUTIC AGENT - The present invention is directed to novel implantable or insertable medical devices that provide release of a therapeutic agent. According to a first aspect of the present invention, a therapeutic-agent-releasing medical device is provided, which comprises: (a) an implantable or insertable medical device; (b) a release layer disposed over at least a portion of the implantable or insertable medical device, and (c) a therapeutic agent. The release layer regulates the rate of release of the therapeutic agent from the medical device upon implantation or insertion of the device into a patient. The release layer comprises (i) a first polymer comprising one or more polymer chains that form one or more polymer phase domains when the first polymer is in a pure solid-state form; and (ii) a second polymer comprising two or more polymer chains that form two or more phase domains when the second polymer is in a pure solid-state form. The first and second polymers are preferably selected such that at least one polymer chain in the second polymer is compatible with at least one polymer chain in the first polymer. The present invention is also directed to methods of forming the above implantable or insertable medical devices, methods of administering a therapeutic agent to a patient using such devices, and methods of modulating the release of therapeutic agents from implantable or insertable medical devices. | 12-18-2008 |
20080317816 | POROUS OBJECTS HAVING IMMOBILIZED ENCAPSULATED BIOMOLECULES - A porous object includes a porous material having internal pore surfaces and external pore surfaces. Releasing material encapsulated biomolecules are immobilized on at least one of the internal pore surfaces, at least one of the external pore surfaces, or combinations thereof. | 12-25-2008 |
20080317817 | METHODS OF MANUFACTURING A DELIVERY SYSTEM FOR PROMOTING BONE GROWTH - A method for manufacturing a delivery system that includes a bone growth promoting material encapsulated within a water-absorbing, water-gelatinizable covering used to promote bone growth in order to repair a bone defect and/or strengthen a weakened bone region. The delivery system may be shaped and sized in order to fit within a bleeding wound (e.g., one that is formed in the gingiva when a tooth is extracted). The covering may be formed of a gelatinizable-gauze (e.g., oxidized cellulose) that forms a gel-like material when moistened with water. The delivery system may be stored in a moisture resistant package prior to use. | 12-25-2008 |
20090004243 | Biodegradable triblock copolymers for implantable devices - The present invention is directed to polymeric materials made of biodegradable, bioabsorbable triblock copolymers and implantable devices (e.g., drug-delivery stents) containing such polymeric materials. The polymeric materials may also contain at least one therapeutic substance. The polymeric materials are formulated so as to improve the mechanical and adhesion properties, degradation, biocompatibility and drug permeability of such materials and, thus, implantable devices formed of such materials. | 01-01-2009 |
20090017093 | GELATINOUS MATERIAL FOR FILLING BONE AND/OR CARTILAGE DEFECTS - Disclosed is a goal gel-type material for filling bone and/or cartilage defects. Said gel-type material comprises at least one gelatinizing component and collagen in at least one liquid dispersing agent. The collagen contains an active substance complex. Preferably, the inventive material is provided with osteoconductive and osteoinductive properties. | 01-15-2009 |
20090017094 | Method Of Fabricating A Tissue Engineering Scaffold - A method of fabricating a highly porous structure is provided. The method includes the step of compounding a biodegradable polymer, a water-soluble polymer and a porogen to form a composite blend. A foaming agent is dissolved into the composite blend and the composite blend is injected into a mold so as to form the structure. Thereafter, the structure is removed from the mold and leached in a fluid. | 01-15-2009 |
20090017095 | COMPOSITION FOR FILLING A BONE DEFECT - The invention relates to a composition for filling a bone defect, characterized in that it comprises allogenic bone powder, calcium sulfate, a binder selected from starch or a starch derivative and a mixing solution. The invention more particularly relates to a composition for filling a bone defect, characterized in that the starch derivative is hydroxyethyl starch. | 01-15-2009 |
20090017096 | POROUS NON-BIODEGRADABLE HYDROGEL ADMIXED WITH A CHEMOATTRACTANT FOR TISSUE REPLACEMENT - A non-biodegradable hydrogel matrix containing microspheres of a biodegradable polymer for the purpose of treating, repairing, or replacing damaged biological tissue is described. The biodegradable phase can be admixed with a chemoattractant. Examples of degradable polymers include degradable polyesters such as 50:50 PLA:PGA, the degradation profiles of which are well characterized. The matrix is permanently inserted into a tissue defect to provide mechanical support before, during, and after tissue ingrowth. | 01-15-2009 |
20090028922 | Local Delivery Method and Composition - This invention provides a rapidly degrading composition for local delivery of a medicament, such as, an antibiotic. Additionally, this invention provides a method that can be used on the battlefield to deliver antibiotics as a preliminary treatment through the use of a rapidly degrading composition. | 01-29-2009 |
20090035351 | Bioabsorbable Hypotubes for Intravascular Drug Delivery - A biodegradable implantable device for delivering a drug to a treatment site includes a biodegradable hypotube defining a lumen and at least one drug disposed within the lumen of the hypotube. At least one drug is released from the lumen upon degradation of the biodegradable hypotube. The lumen may be compartmentalized, each compartment containing a different drug. The hypotube may also include a plurality of pores in fluid communication with the compartments providing different drug release profiles. | 02-05-2009 |
20090041826 | Tissue Implant and Process for Its Production - The present invention relates to a process for producing an implant for medical purposes, to the implant obtainable by the process, and to the bioreactor used for the production of the implant. The implants of the invention can be used as implantable prostheses having essentially the functional characteristics of the following tissues: ligaments and tendons, bone and chondrogenic tissues, e.g. intervertebral discs, and combinations of bone tissue with cartilage tissue, e.g. sections of joints having the cartilaginous surface of a joint surface hacked by bone tissue. According to the invention, a porous matrix material is incubated under cell culture conditions with cells while the matrix is exposed to positive pressure on one side and negative pressure on another side for effective colonization of the matrix. | 02-12-2009 |
20090041827 | Therapeutic Microfoam - Improved therapeutic sclerosing microfoams are provided that have advantage in producing a consistent profile injectable foam with minimal input by the physician yet using high volume percentages of blood dispersible gases, thus avoiding use of potentially hazardous amounts of nitrogen. | 02-12-2009 |
20090053284 | MEDICAL DEVICES FOR USE IN THE SURGICAL TREATMENT OF HYPERPROLIFERATIVE DISEASES AFFECTING THE SPINAL CORD - Provided herein are new methods for the treatment of hyperproliferative diseases affecting the spinal cord, including the use of biodegradable polymers to treat spinal cord tumor recessing, i.e., to patch open zones left by spinal tumor removal. Biocompatible polymeric materials are tailored to fill areas previously occupied by tumors, e.g., materials in the form of tubular articles configured for insertion into the spinal column after surgical removal of a tumor. These protective articles may also include medicinal agents that stimulate spinal column neural regeneration, such as medicines or donor neuronal cells such as human neural stem cells, thus assisting patients to recover motorsensory function after spinal tumor surgery. | 02-26-2009 |
20090060978 | RESORBABLE BARRIER MICRO-MEMBRANES FOR ATTENUATION OF SCAR TISSUE DURING HEALING - Resorbable lactide polymer micro-membranes are disclosed. The micro-membranes are constructed of polylactide resorbable polymers, which are engineered to be absorbed into the body relatively slowly over time in order to reduce potential negative side effects. The membranes are formed to have very thin thicknesses, for example, thicknesses between about 0.010 mm and about O.300 mm. The membranes can be extruded from polylactide polymers having a relatively high viscosity property, can be preshaped with relatively thick portions, and can be stored in sterile packages. | 03-05-2009 |
20090060979 | CONTROLLED RELEASE OF BIOLOGICALLY ACTIVE COMPOUNDS - The present invention relates to biodegradable polymers (e.g., polyesters and polyester amides) derived from functionalized biologically active compounds that can provide site specific delivery of bioactive compounds upon biodegradation in a controlled manner. | 03-05-2009 |
20090068250 | Bioresorbable and biocompatible compounds for surgical use - A bioresorbable and biocompatible compound for surgical use is composed of functionalized collagen cross-linked with a glycosaminoglycan. | 03-12-2009 |
20090074837 | Bioresorbable Calcium-Deficient Hydroxyapatite Hydrogel Composite - The present invention provides a composite material comprising oxidized bacterial cellulose and calcium-deficient hydroxyapatite, and methods for preparing the composite material. The composite material is useful as a bone graft material. In another embodiment, the invention provides a method for tissue repair in a mammal. The method comprises inserting the composite material into cartilage or bone tissue. | 03-19-2009 |
20090074838 | MEDICAL DEVICES HAVING BIOERODABLE LAYERS FOR THE RELEASE OF THERAPEUTIC AGENTS - According to an aspect of the present invention, medical devices are provided which comprise: (a) a substrate, (b) an inner bioerodable polymeric layer over the substrate that comprises (i) 80 wt % or more of an amorphous biodegradable polymeric component and (ii) 20 wt % or less of a therapeutic agent component, and (c) an outer bioerodable polymeric layer over the inner bioerodable polymeric layer that comprises (i) 80 wt % or more of an amorphous biodegradable polymeric component and (ii) 20 wt % or less of a therapeutic agent component. The compositions of the inner and outer layers differ such that the outer layer has a bioerosion rate that is faster than that of the inner layer. | 03-19-2009 |
20090081276 | BIORESORBABLE IMPLANT COMPOSITION - A bioresorbable implant composition includes a polymeric macro- or micro-scaffold and first and second bioactive agents respectively incorporated on or within the polymeric macro- or micro-scaffold. The first and second bioactive agents modulate a different function and/or characteristic of a cell. | 03-26-2009 |
20090092654 | Drug Delivery Methods, Structures, and Compositions for Nasolacrimal System - An implant for insertion into a punctum of a patient comprises a body. The body has a distal end, a proximal end, and an axis therebetween. The distal end of the body is insertable distally through the punctum into the canalicular lumen. The body comprises a therapeutic agent included within an agent matrix drug core. Exposure of the agent matrix to the tear fluid effects an effective therapeutic agent release into the tear fluid over a sustained period. The body has a sheath disposed over the agent matrix to inhibit release of the agent away from the proximal end. The body also has an outer surface configured to engage luminal wall tissues so as to inhibit expulsion when disposed therein. In specific embodiments, the agent matrix comprises a non-bioabsorbable polymer, for example silicone in a non-homogenous mixture with the agent. | 04-09-2009 |
20090123521 | Medical devices having coatings for controlled therapeutic agent delivery - According to an aspect of the invention, medical devices are provided, which include a nanoparticle-derived inorganic layer disposed over a least a portion of structure that includes a substrate, and optionally, a therapeutic-agent-containing layer disposed over at least a portion of the substrate. In some embodiments, the inorganic layer is a nanoporous inorganic layer. Other aspects of the invention comprise methods for forming such medical device. | 05-14-2009 |
20090130172 | Modular Bioresorbable or Biomedical, Biologically Active Supramolecular Materials - The present invention relates to a modular supramolecular bioresorbable or biomedical material comprising (i) a polymer comprising at least two 4H-units and (ii) a biologically active compound. Optionally, the supramolecular bioresorbable or bio medical material comprises a bioresorbable or biomedical polymer as third component to tune its properties (mechanical and bioresorption properties). The supramolecular bioresorbable or biomedical material is especially suitable for biomedical applications such as controlled release of drugs, materials for tissue-engineering, materials for the manufacture of a prosthesis or an implant, medical imaging technologies. | 05-21-2009 |
20090130173 | BONE MATRIX COMPOSITIONS AND METHODS - Osteoinductive compositions and implants having increased biological activities, and methods for their production, are provided. The biological activities that may be increased include, but are not limited to, bone forming; bone healing; osteoinductive activity, osteogenic activity, chondrogenic activity, wound healing activity, neurogenic activity, contraction-inducing activity, mitosisinducing activity, differentiation-inducing activity, chemotactic activity, angiogenic or vasculogenic activity, and exocytosis or endocytosis-inducing activity. In one embodiment, a method for producing an osteoinductive composition comprises providing partially demineralized bone, treating the partially demineralized bone to disrupt the collagen structure of the bone, and optionally providing a tissue-derived extract and adding the tissue-derived extract to the partially demineralized bone. In another embodiment, an implantable osteoinductive and osteoconductive composition comprises partially demineralized bone, wherein the collagen structure of the bone has been disrupted, and, optionally, a tissue-derived extract. | 05-21-2009 |
20090130174 | POLY (ESTER URETHANE) UREA FOAMS WITH ENHANCED MECHANICAL AND BIOLOGICAL PROPERTIES - A biodegradable polyurethane scaffold that includes a HDI trimer polyisocyanate and at least one polyol; wherein the density of said scaffold is from about 50 to about 250 kg m-3 and the porosity of the scaffold is greater than about 70 (vol %) and at least 50% of the pores are interconnected with another pore. The scaffolds of the present invention are injectable as polyurethane foams, and are useful in the field of tissue engineering. | 05-21-2009 |
20090130175 | Composite Injectable and Pre-Fabricated Bone Replacement Material and Method for the Production of Such Bone Replacement Material - A bone replacement material and methods for making and using the same are disclosed. In one embodiment, the bone replacement material comprises a viscous component. The bone replacement material also comprises a plurality of biodegradable inclusions, wherein the inclusions comprise polymers. The inclusions can comprise polymers with therapeutic agents. In other embodiments, the inclusions have a high surface to volume ratio. | 05-21-2009 |
20090148495 | Optimum Density Fibrous Matrix - An implantable biodegradable porous fibrous matrix is disclosed, the fibrous matrix being constructed of fibers arranged in a nonwoven array. The density of the nonwoven array is adjusted in the manufacturing process to obtain an optimum density of the array for tissue ingrowth. When implanted, the optimum density fibrous matrix provides for a superior biological response of the host in terms of tissue growth, especially for tissues containing glycosaminoglycans (GAGs). The optimum density fibrous matrix is therefore provided with properties useful in repair and/or regeneration of mammalian tissue. | 06-11-2009 |
20090148496 | IMPLANTS WITH MEMBRANE DIFFUSION-CONTROLLED RELEASE OF ACTIVE INGREDIENT - An implant for implantation in a human or animal body having a structure comprising a) an implant base body; b) a primer layer which is partially or completely applied to the surface of the implant; c) an active ingredient layer consisting of one, two, three or more active ingredients applied entirely or partially to the surface of the primer layer; and d) a diffusion-controlling layer which is applied partially or entirely to the active ingredient layer, and optionally to the primer layer, wherein diffusion of the active ingredients of the active ingredient layer is controlled. Also disclosed is a manufacturing method for an implant. | 06-11-2009 |
20090148497 | Antibiotic Microspheres for Treatment and Prevention Of Osteomyelitis and Enhancement of Bone Regrowth - A method of treating or preventing infection at a surgical site comprising a bony defect and an implanted metal device is disclosed. Biodegradable microspheres are placed at the site and are capable of near-linear controlled release of an antibiotic agent for a predetermined period of time. The microspheres are configured to be large enough to avoid being phagocytosed and removed from the body, and small enough in diameter to not physically inhibit bone growth at said bony defect site. The microspheres are formed of polylactic-co-glycolic acid (PLGA), with or without polyethylene glycol (PEG), and sufficient antibiotic agent to produce bactericidal levels in body tissues. The microspheres exhibit near-linear delivery of the antibiotic agent for at least 4 weeks at levels exceeding the minimum inhibitory concentration (MIC) for organisms commonly found to be the cause of infections, and facilitate bone ingrowth or regrowth at the site. | 06-11-2009 |
20090155337 | METHOD AND AGENT FOR IN-SITU STABILIZATION OF VASCULAR TISSUE - A method for stabilizing an extra cellular matrix layer in the vascular system of the body is disclosed herein. The method can comprise placing a vascular catheter adjacent to the extra cellular matrix layer, delivering a solution containing a bioflavonoid to the extra cellular matrix layer with the vascular catheter, and cross-linking protein in the extra cellular matrix layer. The bioflavonoid can be a catechin, particularly epigallocatechin gallate (EGCG). | 06-18-2009 |
20090186068 | Atomic plasma deposited coatings for drug release - Nanophase single or multiple layer time release coatings over drugs attached to metal surfaces are described. The coatings are deposited over a drug attached to a porous metal substrate using an atomic plasma deposition procedure. Porosity of the substrate and the number of APD deposited layers controls drug release when the attached drug is exposed to an aqueous medium. | 07-23-2009 |
20090186069 | Coatings Containing Multiple Drugs - A method for depositing a coating comprising a polymer and at least two pharmaceutical agents on a substrate, comprising the following steps: providing a stent framework; depositing on said stent framework a first layer comprising a first pharmaceutical agent; depositing a second layer comprising a second pharmaceutical agent; Wherein said first and second pharmaceutical agents are selected from two different classes of pharmaceutical agents. | 07-23-2009 |
20090186070 | Particle immobilized coating and uses thereof - Surface coatings including microparticles immobilized in a matrix of polymeric material on a substrate are described. The microparticles can also include an agent which can be useful for various applications, such as medical applications. | 07-23-2009 |
20090196904 | HIGHLY-MINERALIZED OSTEOGENIC SPONGE COMPOSITIONS AND USES THEREOF - Osteogenic sponge compositions having enhanced osteoinductive properties for use in bone repair are described. The compositions include a quickly resorbable porous carrier, a more slowly resorbed mineral scaffold and an osteogenic factor, preferably a bone morphogenetic protein. The compositions enable increased osteoinductive activity while retaining a reliable scaffold for the formation of new bone at an implant site. Methods for therapeutic use of the compositions are also described. | 08-06-2009 |
20090202609 | MEDICAL DEVICE WITH COATING COMPOSITION - Coating compositions containing bioactive agents, and medical devices coated with compositions containing bioactive agents are described. In certain embodiments the coating compositions comprise a first layer, said first layer containing a bioactive agent and a polymeric material derived from poly[vinylpyrrolidone]; and a second layer outside said first layer, said second layer comprising poly(butylmethacrylate) and poly(ethylene-co-vinyl acetate). In some example embodiments the coating composition further comprises a third layer outside said first layer, said third layer comprising poly(butylmethacrylate). | 08-13-2009 |
20090202610 | Medical Implants With Polysaccharide Drug Eluting Coatings - A medical implant can include a bioerodible metal portion and a coating overlying the bioerodible metal portion. The coating can include a therapeutic agent and a polysaccharide matrix reversibly cross-linked with polyvalent metal cations. Upon implantation of the implant within a body, the therapeutic agent is released and the bioerodible metal portion erodes to release polyvalent metal cations capable of re-cross-linking the polysaccharide matrix. | 08-13-2009 |
20090202611 | COMPOSITE SELF-COHERED WEB MATERIALS - The present invention is directed to implantable bioabsorbable non-woven self-cohered web materials having a high degree of porosity. The web materials are very supple and soft, while exhibiting proportionally increased mechanical strength in one or more directions. The web materials often possess a high degree of loft. The web materials can be formed into a variety of shapes and forms suitable for use as implantable medical devices or components thereof. | 08-13-2009 |
20090208555 | CONTROL OF THE DEGRADATION OF BIODEGRADABLE IMPLANTS USING A COATING - The invention relates to an endovascular implant, which is at least largely biodegradable and whose in vivo degradation can be controlled. To achieve this, the implant comprises a tubular base body, open on its end faces and consisting of at least one biodegradable material, said base body having an in vivo, location-dependent first degradation characteristic D | 08-20-2009 |
20090214618 | Nitric oxide-releasing particles for nitric oxide therapeutics and biomedical applications - The presently disclosed subject matter relates to nitric oxide-releasing particles for delivering nitric oxide, and their use in biomedical and pharmaceutical applications. | 08-27-2009 |
20090220571 | SELF-EXPANDING DEVICES AND METHODS THEREFOR - Described here are delivery devices for delivering one or more implants to the body, and methods of using. The delivery devices may deliver implants to a variety of locations within the body, for a number of different uses. In some variations, the delivery devices have a cannula with one or more curved sections. In some variations, a pusher may be used to release one or more implants from the cannula. In some variations, one or more of the released implants may be a self-expanding device. Methods of delivering implants to one or more sinus cavities are also described here. | 09-03-2009 |
20090226505 | NELL Peptide Expression Systems and Bone Formation Activity of NELL Peptide - The invention generally relates to a bone growth factor, and more particularly to compositions including NELL1, articles of manufacture including NELL1 and methods of using NELL1 to induce bone formation. This invention also provides methods for the expression and purification of NELL1 and NELL2 peptides. | 09-10-2009 |
20090238857 | USE OF HYDROPHOBIC CROSSLINKING AGENTS TO PREPARE CROSSLINKED BIOMATERIAL COMPOSITIONS - The present invention discloses novel crosslinked biomaterial compositions which are prepared using hydrophobic polymers as a crosslinking agent. Preferred hydrophobic polymers are those that contain two or more reactive succinimidyl groups, including disuccinimidyl suberate, bix(sulfosuccinimidyl) suberate, and dithiobis(succinimidylpropionate). Crosslinked biomaterial compositions prepared using mixtures of hydrophobic and hydrophilic crosslinking agents are also disclosed. The compositions of the present invention can be used to prepare formed implants for use in a variety of medical applications. | 09-24-2009 |
20090246253 | Methods Of Providing Antioxidants To Implantable Medical Devices - Methods of incorporating an antioxidant into a medical device including a polymer are described, and methods of packaging medical devices. | 10-01-2009 |
20090263455 | Dexamethasone Formulations in a Bioegradable Material - Effective treatments of acute pain for extended periods of time are provided. Through the administration of an effective amount of dexamethasone at or near a target site, one can relieve pain cause by diverse sources, including but not limited to spinal disc herniation (i.e. sciatica), spondilothesis, stenosis, discongenic back pain and joint pain as well as pain that is incidental to surgery. When appropriate formulations are provided within biodegradable polymers, this relief can be continued for at least twenty-five days. In some embodiments, the relief can be for at least fifty days, at least one hundred days, at least one hundred and thirty-five days or at least one hundred and eighty days. | 10-22-2009 |
20090263456 | Methods and Compositions for Reducing Preventing and Treating Adhesives - Methods and compositions are provided for reducing, treating or preventing adhesions in a patient in need of such treatment, the methods and compositions comprising administering one or more biodegradable drug depots comprising a therapeutically effective amount of a glucocorticoid or pharmaceutically acceptable salt thereof to a target tissue site beneath the skin, wherein the drug depot releases an effective amount of the glucocorticoid or pharmaceutically acceptable salt thereof to prevent in-growth of scar tissue and formation or reformation of adhesions at or near the target tissue site while an injured tissue heals. | 10-22-2009 |
20090263457 | BLOCK COPOLYMER COMPRISING AT LEAST ONE POLYESTER BLOCK AND A POLY(ETHYLENE GLYCOL) BLOCK - The present invention provides a block copolymer for a coating on an implantable device for controlling release of drug and methods of making and using the same. | 10-22-2009 |
20090263458 | MATERIAL FOR SURGICAL USE IN TRAUMATOLOGY - The present invention relates to a material, structure, and method for surgical use in traumatology. More particularly, the present invention relates to a composite material, a temporary biocompatible support structure, and related methods of use of the same in aiding osteosynthesis during healing of a bone fracture. The material keeps its strength in a solid phase in vivo and, to aid removal upon healing, can be transformed into a substantially fluid phase, including, for example, a pulverized state, by the application of energy at a chosen time. | 10-22-2009 |
20090263459 | METHODS AND COMPOSITIONS FOR TREATING INTERVERTEBRAL DISC HERNIATIONS - Methods and compositions are provided for treating an intervertebral disc herniation by local administration of one or more biodegradable drug depots comprising a therapeutically effective amount of a glucocorticoid at or near the intervertebral disc herniation to reduce the size of the intervertebral disc herniation. | 10-22-2009 |
20090263460 | MEDICAL DEVICES AND METHODS INCLUDING POLYMERS HAVING BIOLOGICALLY ACTIVE AGENTS THEREIN - The implant design is a drug loaded polymer device, such as a rod, designed to control the release of a biologically active agent, such as clonidine or its derivatives, such as clonidine HCl for a prolonged period of time, such as 2 months, 3 months, 4 months, and even 4.5 months. The polymer is preferably a biodegradable polymer, such as poly(lactide-co-glycolide) or polylactic acid/polylactide. The challenge in using the HCl salt forms of drugs such as clonidine, is controlling the release of the highly water soluble drug for up to 4.5 months. It has been found that by controlling the particle size distribution of the drug powder, the drug distribution within the polymer matrix is more uniform and can be controlled. Therefore, the large aggregates, which cause rapid drug release can be eliminated. | 10-22-2009 |
20090263461 | ALPHA ADRENERGIC RECEPTOR AGONISTS FOR TREATMENT OF DEGENERATIVE DISC DISEASE - Effective treatments of pain and/or inflammation from degenerative disc disease and/or facet joint are provided. Through the administration of an effective amount of at least one alpha adrenergic agonist at or near a degenerative disc and/or facet joint, one can reduce, prevent or treat pain and/or inflammation caused by the degenerative disc disease and/or facet joint. | 10-22-2009 |
20090263462 | Methods for Treating Conditions Such as Dystonia and Post-Stroke Spasticity with Clonidine - Effective treatments of dystonia and/or post-stroke spasticity for extended periods of time are provided. Through the administration of an effective amount of clonidine at or near a target site, one can relieve dystonia and/or post-stroke spasticity caused by diverse sources. When appropriate formulations are provided within biodegradable polymers, this relief can be continued for at least five days. In some embodiments, the relief can be for at least twenty-five days, at least fifty days, at least one hundred days, at least one hundred and thirty-five days or at least one hundred and eighty days. | 10-22-2009 |
20090263463 | ALPHA ADRENERGIC RECEPTOR AGONISTS FOR TREATMENT OF PAIN AND/OR INFLAMMATION - Effective treatments of pain and/or inflammation are provided. Through the administration of an effective amount of at least one alpha adrenergic agonist at or near a target site, one can reduce, prevent or treat pain and/or inflammation. | 10-22-2009 |
20090263464 | BLADDER RECONSTRUCTION - The invention is directed to methods and devices for the reconstruction, repair, augmentation or replacement of laminarily organized luminal organs or tissue structures in a patient in need of such treatment. The device comprises a biocompatible synthetic or natural polymeric matrix shaped to conform to at least a part of the luminal organ or tissue structure with a first cell population on or in a first area and a second cell population such as a smooth muscle cell population in a second area of the polymeric matrix. The method involves grafting the device to an area in a patient in need of treatment. The polymeric matrix comprises a biocompatible and biodegradable material. | 10-22-2009 |
20090263465 | Biopolymer-Bioengineered Cell Sheet Construct - A biopolymer-bioengineered human corneal endothelial cell (HCEC) sheet construct for reconstructing corneal endothelium in a patient is recited. The construct includes a biopolymer carrier which is bioresorable and deformable; and a bioengineered cell sheet containing a monolayer of interconnected HCECs with substantially uniform orientation. The bioengineered cell sheet is attached to a surface of the biopolymer carrier with apical surfaces of the HCECs facing said carrier. | 10-22-2009 |
20090269390 | MEDICAL DEVICES, POLYMERS, COMPOSITIONS, AND METHODS FOR DELIVERING A HALOACETATE - Polymers, compositions, and medical devices useful for delivering (e.g., by local and/or sustained delivery) a haloacetate (e.g., dichoroacetate) to a tissue are disclosed herein. Such methods can be useful for treatment of diseases such as cancer. | 10-29-2009 |
20090274742 | MULTIMODAL HIGH STRENGTH DEVICES AND COMPOSITES - An oriented implantable biodegradable multimodal device is disclosed. The orientated implantable biodegradable multimodal device includes a blend of a first polymer component having a first molecular weight (mwt) together with at least a second polymer component having a mwt which is less than that of the first component. The polymer within the blend may be in a uniaxial, biaxial or triaxial orientation. Also disclosed is a composite thereof with matrix polymer, processes for the preparation thereof and the use thereof as an implantable biodegradable device such as a high strength trauma fixation device suitable for implantation into the human or animal body. As examples the high strength trauma device may take the form of plates, screws, pins, rods, anchors or scaffolds. | 11-05-2009 |
20090274743 | MEDICAL DEVICES HAVING A BIORESORBABLE COATING LAYER WITH A PRE-DETERMINED PATTERN FOR FRAGMENTATION - Intravascular medical devices comprising a coating layer disposed on a substrate associated with the medical device, wherein the coating layer has a pre-determined fragmentation pattern. At least a portion of the coating layer comprises a plurality of discontinuous bioresorbable members, wherein the discontinuous bioresorbable members have a size less than the luminal diameter of an arteriole. The coating layer may be formed by excavating portions of a coating layer (e.g., by laser ablation) to create gaps which define the discontinuous bioresorbable members. In certain embodiments, the coating layer is formed of a heat-bondable material. In such embodiments, the discontinuous bioresorbable members may be adhered to the substrate via heat bonds. Also disclosed are methods of forming a coating layer on medical devices and methods of treating intravascular sites. | 11-05-2009 |
20090280157 | Method of Modifying Materials Surfaces - The present invention relates to “grafting to” methods of modifying materials surfaces with high-density polymer brushes. A method of the present invention comprises contacting in succession or simultaneously an activated material surface, a solution of a polymeric material having a polymeric backbone with pendant reactive moieties, and a melt of brush-forming terminally-functionalized polymer chains, in order to allow a covalent bonding reaction to occur between surface and polymers, wherein upon completion of the reaction, the polymeric material forms a layer between the material surface and the brush polymer chains. | 11-12-2009 |
20090291116 | Biocompatible and Biodegradable Porous Matrix in Particular Useful for Tissue Reconstruction - The invention mainly concerns a biocompatible and biodegradable porous matrix, characterized in that it is made of a three-block sequenced copolymer of formula (I): X G Y (I), wherein: G is a non-hydroxylated hydrophilic linear block, and X and Y represent respectively a hydrophobic linear polyester block. The invention further concerns the use of said matrix for coating tissue reconstruction after loss of substance or bioactive dressings. | 11-26-2009 |
20090297584 | BIOSOLUBLE COATING WITH LINEAR OVER TIME MASS LOSS - Implantable devices such as stents having a biosoluble coating with linear over time mass loss are provided. Also disclosed are methods of making and using the implantable device. | 12-03-2009 |
20090304774 | IMPLANTABLE DEVICES HAVING CERAMIC COATING APPLIED VIA AN ATOMIC LAYER DEPOSITION METHOD - Substrates coated with films of a ceramic material such as aluminum oxides and titanium oxides are biocompatible, and can be used in a variety of applications in which they are implanted in a living body. The substrate is preferably a porous polymer, and may be biodegradable. An important application for the ceramic-coated substrates is as a tissue engineering scaffold for forming artificial tissue. | 12-10-2009 |
20090304775 | Drug-Exuding Orthopedic Implant - An apparatus in accordance with the present invention may include an orthopedic implant having one or more voids integrated into a surface thereof. A beneficial agent may be deposited into each void, and a regulator element may substantially cover an open end of thereof. In this manner, the regulator element may regulate delivery of the beneficial agent through the open end of the voids over a period of time. | 12-10-2009 |
20090311303 | BIODEGRADABLE IMPLANTS FOR BONE FUSION AND COMPOSITIONS THEREFOR - A biodegradable copolymer network, which is particularly suited for use in applications such as interbody implants for bone fusion, is provided. The biodegradable copolymer network of the present invention is biodegradable yet provides sufficient mechanical strength for use in procedures such as spinal fusion. Also provided are methods of producing said biodegradable copolymer network, methods of delivery of biologically active substances, implants comprising said biodegradable copolymer network and methods of administering bioactive and in particular, osteoinductive, substances. | 12-17-2009 |
20090311304 | DRUG-LOADED IMPLANT - The invention relates to a drug-loaded implant having a carrier body ( | 12-17-2009 |
20090317447 | Biodegradable bone graft for orthopedic use - In the present invention, a biodegradable bone graft is disclosed, which includes: a scaffold made of a biodegradable material; and a collagen-embedding matrix portion which completely encompasses the scaffold. The above-mentioned bone graft can increase the micro-porosity of the scaffold to enable cells to grow adhesively thereon. Compared with the scaffold only, the above-mentioned bone graft has high hydrophilicity. Hence, the bone graft of the present invention can efficiently retain tissue fluid, cell growth factors, blood and/or bone marrow which are mixed with the bone graft beforehand to achieve osteoinduction. Furthermore, the collagen-embedding matrix portion can also serve as a carrier to encompass other bone graft materials and drug molecules. The present invention also relates to a method for manufacturing the above-mentioned bone graft. | 12-24-2009 |
20090324682 | Medical stent provided with inhibitors of atp synthesis - A stent provided with a composition having at least one type of inhibitor of ATP synthesis, optionally together with at least one inhibitor of the pentose phosphate pathway is disclosed. The medical stent is useful for treating stenosis and preventing restenosis in vascular ducts and for treating cancerous tumors present in ducts, resectioned cavities and scars and any disorder arising from the proliferation of cells in ducts or cavities. | 12-31-2009 |
20090324683 | CONTROLLED RELEASE TISSUE GRAFT COMBINATION BIOMATERIALS - In one aspect, the invention relates to tissue graft combination biomaterials capable of controlled release of bioactive agents or pharmaceutically active agents through a rate-controlling polymer coating encapsulating the graft material, methods for preparing same, methods of controlled release using same, and methods for treating tissue defects. This abstract is intended as a scanning tool for purposes of searching in the particular art and is not intended to be limiting of the present invention. | 12-31-2009 |
20090324684 | MEDICAL DEVICES HAVING SURFACE COATINGS - According to an aspect of the present invention, medical devices are provided which comprise a metallic region and a coating on all or part of the metallic region that comprises a multivalent acid. | 12-31-2009 |
20090324685 | MEDICAL DEVICE COATINGS CONTAINING CHARGED MATERIALS - In accordance with certain aspects of the present invention, medical devices are provided which are configured for implantation or insertion into a subject. The medical devices include at least one coating region that comprises (a) a charged polyamino-acid-containing polymer having a first net charge and (b) an additional charged polymer having a second net charge that is opposite in sign to that of the first net charge. The additional charged polymer may or may not be a polyamino-acid-containing polymer. | 12-31-2009 |
20100003304 | METHOD OF IMPROVING THE OSTEOINDUCTIVITY OF CALCIUM PHOSPHATE - The invention relates to methods of improving the osteoinductivity of calcium phosphate materials, to calcium phosphate materials having improved osteoinductivity as well as bone (re)generation scaffolds produced therefrom and to the use of such materials and scaffolds in methods of treatment. | 01-07-2010 |
20100003305 | BIOCOMPATIBLE AND BIODEGRADABLE ELASTOMERIC POLYMERS - Disclosed herein are biocompatible and biodegradable polymers comprising one or more ECM-mimetic peptides and one or more biodegradable moieties, wherein the moieties do not comprise an amino acid or residue thereof. Further disclosed herein are methods for making and using the disclosed biocompatible polymers. | 01-07-2010 |
20100003306 | PRE-SHAPED USER-FORMABLE MICRO-MEMBRANE IMPLANTS - Precut, user-shapeable, resorbable polymer micro-membranes are disclosed. The micro-membranes are constructed of resorbable polymers, which are engineered to attenuate adhesions and to be absorbed into the body relatively slowly over time. The membranes can formed to have very thin thicknesses, for example, thicknesses between about 0.010 mm and about 0.300 mm, while maintaining adequate strength. The membranes can be extruded from polylactide polymers having a relatively high viscosity property, can be stored in sterile packages, and can be preshaped with relatively high reproducibility during implantation procedures. | 01-07-2010 |
20100003307 | COMPOSITION AND USE OF RAR ANTAGONISTS FOR PROMOTING CHONDROGENESIS - The invention provides compositions comprising a RAR antagonist for promoting chondrogenesis and to methods employing such compositions for treating cartilage and associated bone abnormalities resulting from injury or disease and for ex vivo tissue engineering. | 01-07-2010 |
20100008969 | Biomaterial scaffolds with keratin for tissue engineering - The present invention relates to methods for preparing porous natural or synthetic material scaffolds with keratin for improving cell affinity. | 01-14-2010 |
20100008970 | Drug-Eluting Endoprosthesis - A drug-eluting endoprosthesis that includes a bioerodible metal portion and a therapeutic agent. In some aspects, the endoprosthesis includes a plurality of discrete deposits and a plurality of overlying layers each overlying one of the plurality of discrete deposits. Each discrete deposit includes one or more therapeutic agents and each overlying layer includes one or more bioerodible metals. In other aspects, the bioerodible metal portion includes at least two bioerodible metal regions having different electronegativities. The at least two bioerodible metal regions being in electrical contact with each other. The bioerodible metal erodes in a physiological environment to release the therapeutic agent. | 01-14-2010 |
20100015206 | MEDICAL DEVICES HAVING METAL COATINGS FOR CONTROLLED DRUG RELEASE - Medical devices having a plurality of nanoparticles disposed over a surface of the medical device. The nanoparticles have a core comprising a therapeutic agent and a shell surrounding the core, wherein the shell comprises a metal. A barrier layer is disposed over the nanoparticles. The barrier layer is water-permeable and comprises a metal that may be different from the metal used in the nanoparticle shells. In certain embodiments, the metal in the barrier layer undergoes galvanic corrosion. Also disclosed are medical device having a reservoir containing a therapeutic agent, with nanoparticles and a barrier layer being disposed over the reservoir; and medical devices having multiple barrier layers and multiple reservoirs containing therapeutic agents. | 01-21-2010 |
20100034867 | DRUG DELIVERY COATING FOR USE WITH A MEDICAL DEVICE AND METHODS OF TREATING VASCULAR INJURY - The present inventions provide various embodiments of medical devices coated with a therapeutic coating comprising a mTOR targeting compound and a calcineurin inhibitor, and methods of applying said coatings. In various aspects, the therapeutic coating comprises a bio-absorbable carrier component at least partially formed of a cellular uptake inhibitor and a cellular uptake enhancer, a mTOR targeting compound and a calcineurin inhibitor. In various aspects, the present invention provides for controlled delivery, which is at least partially characterized by total and relative amounts of a cellular uptake inhibitor and cellular uptake enhancer in a bio-absorbable carrier component. | 02-11-2010 |
20100034868 | SCAFFOLDS FOR THE REGENERATION OF CARTILAGE - The present application discloses that incorporation of dermatan sulfate and/or HA in composite scaffolds of certain polymers gives rise to a chondrogenic effect on chondrocytes resulting in formation of cartilage that resembles the natural ECM. This effect with dermatan sulfate as the primary additive has not previously been seen. The composites are formed by incorporation of dermatan sulfate finely dispersed particles optionally nanoparticles or as molecular dissolutions in a polymer matrix with no bonding between the DS and the matrix, providing the DS to the chondrocytes in an accessible non-crosslinked form. | 02-11-2010 |
20100034869 | BLOCK-POLYMER MEMBRANES FOR ATTENUATION OF SCAR TISSUE - Precut, user-shapeable, resorbable polymer micro-membranes are disclosed. The micro-membranes are constructed of resorbable polymers, which are engineered to attenuate adhesions and to be absorbed into the body relatively slowly over time. The membranes can formed to have very thin thicknesses, for example, thicknesses between about 0.010 mm and about 0.300 mm, while maintaining adequate strength. The membranes can be extruded from polylactide polymers having a relatively high viscosity property, can be stored in sterile packages, and can be preshaped with relatively high reproducibility during implantation procedures. | 02-11-2010 |
20100040666 | Method for Control of Drug Elution Rate and Composition for Coating of Drug-Eluting Stent - Disclosed are a method for controlling the elution of a drug from a stent and a drug-eluting stent capable of reducing the restenosis rate after therapy. A coating composition for a drug-eluting stent comprising an endothelin receptor antagonist and a copolymer of 2-methacryloyloxyethyl phosphorylcholine and n-butyl methacrylate. The elution of the endothelin receptor antagonist from the coating composition can be controlled by varying the ratio of 2-methacryloyloxyethyl phosphorylcholine to n-butyl methacrylate in the copolymer. | 02-18-2010 |
20100040667 | METHOD OF TREATING BONE CANCER - A method of treatment for treating, at least partially preventing, inhibiting or reducing growth of a bone tumor in a subject, including at least partially removing a bone tumor from a subject and contacting an area of bone adjacent to where the tumor was at least partially removed with a gel containing a tumor growth-inhibiting methylol transfer agent. | 02-18-2010 |
20100040668 | Biomimetic Hydroxyapatite Composite Materials and Methods for the Preparation Thereof - The present invention is related to methods for preparing composite materials, which include nanoscale hydroxyapatite, and the composite materials and articles prepared therewith. | 02-18-2010 |
20100047318 | CERAMIC IMPLANTS AFFORDING CONTROLLED RELEASE OF ACTIVE MATERIALS - Implantable compositions capable of providing release of bioactive agents according to a predetermined release profile and methods for their use. Such compositions include at least one ceramic substrate; a bioactive substance loaded on a surface of a said ceramic substrate forming a loaded surface zone operable to release said bioactive substance according to a release profile under physiological conditions; and a biodegradable polymer having an in vivo degradation period, forming a continuous or discontinuous coating on an area of a said ceramic substrate. The composition comprises at least two said loaded surface zones having different release profiles, or at least two said coatings having different in vivo degradation periods. | 02-25-2010 |
20100047319 | Biodegradable Poly(Ester-Amide) And Poly(Amide) Coatings For Implantable Medical Devices With Enhanced Bioabsorption Times - This invention is generally related to coating layers for implantable medical devices, such as drug delivery vascular stents, and methods of fabricating coated implantable medical devices. Specifically various embodiments of the present invention include methods of fabricating and modulating of coating layers to enhance bioabsorption. The coating layers include poly(ester-amide) and/or poly(amide) polymers. | 02-25-2010 |
20100055151 | MEDICAL DEVICES HAVING COATINGS FOR THERAPEUTIC AGENT DELIVERY - According to an aspect of the invention, implantable and insertable medical devices are provided that include (a) a substrate, (b) a porous layer comprising interconnected pores disposed over the substrate, (c) at least one first therapeutic agent disposed within and/or beneath the porous layer, (d) a composite layer disposed over the porous layer that includes (i) at least one therapeutic agent eluting region containing at least one second therapeutic agent and at least one matrix material and (ii) at least one bioerodible region containing at least one bioerodible material that extends from the surface of the composite layer to the porous layer. | 03-04-2010 |
20100068243 | MACROPOROUS AND HIGHLY RESORBABLE APATITIC CALCIUM-PHOSPHATE CEMENT - The present invention is directed to a novel cement powder comprising an organic component consisting of one or more biocompatible and bioresorbable polymers and an inorganic component consisting of one or more calcium phosphate compounds. The invention also relates to the apatitic CPC resulting from the mixing of said cement powder with a liquid phase and setting. | 03-18-2010 |
20100068244 | STABILIZED BIODEGRADABLE NEUROTOXIN IMPLANTS - Biodegradable neurotoxin implants and methods of making and using such implants are provided. Biodegradable neurotoxin implants include a neurotoxin, a biodegradable polymer component, and an acidity regulating component. The biodegradable polymer component is effective in controlling the release of the neurotoxin from the implant when the implant is located in a patient's body. The acidity regulating component is effective in maintaining a pH of the implant in a desired range that may be effective in stabilizing the neurotoxin as the implant biodegrades when the implant is located in a patient's body. In one embodiment, an implant includes a botulinum toxin, a biodegradable polymer, and either monomers from which a biodegradable polymer is derived or oligomers including monomeric units substantially identical to a monomer from which a biodegradable polymer is derived, or a combination of such monomers and oligomers. The oligomers and biodegradable polymer may be derived from a single type of monomer. The implants disclosed herein may be administered to a human or animal patient in which a therapeutic effect is desired for prolonged periods of time. | 03-18-2010 |
20100080839 | PARENTERAL FORMULATION - The present invention relates to a kinetic implant comprising (a) biodegradable material comprising opened starch, destructurised starch or a mixture of opened starch and destructurised starch, (b) a biologically or pharmaceutically active substance; and (c) a stabilising component stabilising the biologically or pharmaceutically active substance. The biodegradable material comprises about 50 to about 100 wt. % of opened starch, destructurised starch or a mixture of opened starch, based on the total weight of the biodegradable material, said biodegradable material having a bulk density of 1.0 to 1.5 kg/dm | 04-01-2010 |
20100098744 | REDUCTION OF INFECTION ASSOCIATED WITH MEDICAL DEVICE - Anti-infective articles capable of preventing infection associated with implantation of medical devices include low levels of anti-infective agents, may cover only a fraction of the portion of the medical device and be effective, or may rapidly elute anti-infective agent, without sustained elution, and still be effective. | 04-22-2010 |
20100112034 | DRUG DEPOT WITH ANCHOR - A drug depot implantable at or near a target tissue site beneath the skin of a patient is provided, the drug depot comprising a therapeutically effective amount of a drug; at least one line having a distal end and a proximal end, the proximal end of the line attached to the drug depot; an anchor attached to the distal end of the line and configured to limit movement of the drug depot at or near the target tissue site, wherein the drug depot is capable of releasing the therapeutically effective amount of the drug over a period of at least one day. In some embodiments, the drug depot provided can include an effective amount of at least analgesic and/or at least one anti-inflammatory agent at or near a target site, and can reduce, prevent or treat inflammation and/or pain. | 05-06-2010 |
20100119581 | Medical Products That Release Pharmaceutically Active Substances - The present invention concerns medical products that release pharmaceutically active substances, the efficiency of which is increased as the result of a combination with an inhibitor of the transport protein P-glycoprotein. | 05-13-2010 |
20100119582 | Device for the Treatment and Prevention of Disease, and Methods Related Thereto - Disclosed are implantable devices for delivering a drug into the blood stream of a vessel or into the vessel wall of a subject's body to treat or prevent vascular or cardiovascular disease, such as vascular plaque, cardiovascular plaque, and diseases attributable to inflammation, such as arteriosclerosis, diabetes, rheumatoid arthritis, and Alzheimer's disease. The devices of the present invention comprise a biodegradable matrix that degrades gradually and vanishes over a period of time, and have a ring-like, flag-like, or plaster-like configuration. The flag-like configuration comprises a holding structure and at least one flag. These flags are preferably elastic, and may be constructed from fibers, woven tissue, strings, sheets, or any combination thereof. Disclosed devices may comprise more than one drug, or varying concentrations of the same drug. Also disclosed are methods related thereto. | 05-13-2010 |
20100129422 | POROUS BIODEGRADABLE POLYMER SCAFFOLDS FOR IN SITU TISSUE REGENERATION AND METHOD FOR THE PREPARATION THEREOF - The present invention relates to an intelligent porous biodegradable polymer scaffold for in situ tissue regeneration in which two kinds of physiologically active substances having high differentiation potential and biocompatibility are introduced into the polymer scaffold and conjugated to the surface thereof, respectively, and a method for the preparation thereof. Since the intelligent porous biodegradable polymer scaffold exhibits improved biocompatibility and differentiation potential due to the introduction of physiologically active substances capable of efficiently inducing cell proliferation and differentiation into both the surface and the inside thereof, it can directly induce in situ tissue regeneration of the musculoskeletal system from stem cells in a living tissue after transplanting the polymer scaffold and stem cells into a human body without additional in vitro cultivation. Therefore, the intelligent porous biodegradable polymer scaffold according to the present invention can be effectively used in the regeneration of various kinds of tissues and organs including the musculoskeletal system. | 05-27-2010 |
20100129423 | DEVICE MADE AT LEAST PARTIALLY OF N-ACETYLCHITOSAN WITH CONTROLLED BIODISSOLUTION - A method of biodissolving in an aqueous medium at least a part of a device, the part of the device being made of N-acetylchitosan with a degree of acetylation of more than 3% and less than 25%. In the method, the biodissolution of the part of the device is controlled by adjusting the pH of the aqueous medium in contact with the N-acetylchitosan part of the device to a value of equal or less than 6.0. | 05-27-2010 |
20100136086 | DYNAMIC BIOACTIVE NANOFIBER SCAFFOLDING - A resorbable bone graft scaffold material, including a plurality of overlapping and interlocking fibers defining a scaffold structure and plurality of pores distributed throughout the scaffold. The fibers are characterized by fiber diameters ranging from about 5 nanometers to about 100 micrometers, and the fibers are a bioactive, resorbable material. | 06-03-2010 |
20100136087 | Composition for Promoting Cartilage Formation or Repair Comprising a NELL Gene Product and Method of Treating Cartilage-Related Conditions Using Such Composition - Provided herein are a composition for promoting cartilage formation or regeneration comprising a NELL gene product and a method of treating cartilage-related conditions using such a composition. | 06-03-2010 |
20100158980 | DRUG DELIVERY DEVICES FOR DELIVERY OF THERAPEUTIC AGENTS - Drug delivery devices comprising a non-bioabsorbable polymer structure and a composition comprising an active agent have been discovered. The drug delivery devices may be used to treat ocular conditions, among other diseases and conditions. In addition, a method of treating an ocular condition has been discovered comprising implanting a drug delivery device which releases the active agent at a rate of | 06-24-2010 |
20100158981 | Block Biodegradable Copolymers for Medical Devices - Disclosed herein are implantable medical devices comprising controlled release biodegradable block copolymers or coated with controlled release block copolymers and at least one drug releasable from the block copolymer. The controlled release block copolymers comprise least two blocks selected from the group consisting of polyesters, polyethers, and polyurethanes. | 06-24-2010 |
20100158982 | SHEET FOR GUIDING REGENERATION OF MESENCHYMAL TISSUE AND PRODUCTION METHOD THEREOF - To provide a sheet for guiding regeneration of mesenchymal tissue having improved formability, strength, absorbability and efficiency, the sheet is produced by steps of containing a culture medium in a surface of a porous sheet produced by freezing a bioabsorbable polymer material dissolved with an organic solvent and drying it, seeding a mesenchymal cell grown after taking from biotissue, and differentiating the mesenchymal cell to a mesenchymal tissue precursor cell, where the mesenchymal tissue precursor cell and an extracellular substrate are adhered on the surface of the porous sheet containing a culture medium, and the extracellular substrate is secreted in a process of the mesenchymal cell being differentiated to the mesenchymal tissue precursor cell. | 06-24-2010 |
20100166826 | BIODEGRADABLE INTRAVAGINAL DEVICES FOR DELIVERY OF THERAPEUTICS - The present disclosure relates to biodegradable intravaginal rings for the delivery of therapeutic or prophylactic agent, inter alia, antiviral agents. The present disclosure further relates to biodegradable polyurethanes which will allow therapeutic/prophylactic agents to be released in a controlled manner that will not degrade when in use, but will degrade upon disposal. | 07-01-2010 |
20100166827 | PERIOSTIN INDUCES PROLIFERATION OF CARDIOMYOCYTES AND PROMOTES CARDIAC REGENERATION - The present invention provides compositions and methods for increasing proliferation, increasing cell cycle activity, and/or proliferation of postmitotic mammalian differentiated cardiomyocytes. The invention can be used to slow, reduce, or prevent the onset of cardiac damage caused by, for example, myocardial ischemia, hypoxia, stroke, or myocardial infarction in vivo. In addition, the methods and compositions of the invention can be used to enhance proliferation of differentiated cardiomyocytes in vitro and/or ex vivo, which can then be used in tissue grafting. | 07-01-2010 |
20100166828 | ARTIFICIAL BONE CAPABLE OF BEING ABSORBED AND REPLACED BY AUTOGENOUS BONE AND ITS PRODUCTION METHOD - An artificial bone capable of being absorbed and replaced by an autogenous bone, which comprises a cylindrical body comprising at least an apatite/collagen composite layer and a collagen layer. | 07-01-2010 |
20100166829 | ACTIVE AGENT ELUTING MATRICES WITH PARTICULATES - The present invention is directed to polymeric matrices for the controlled release of a hydrophilic bioactive agent. Generally, the elution control matrix includes a polymeric matrix having a first polymer and a plurality of microparticles that include the hydrophilic bioactive agent. In one embodiment, the matrix includes a polymer comprising hydrophilic and hydrophobic portions. In another embodiment, the microparticles include a crosslinked hydrophilic polymer. | 07-01-2010 |
20100166830 | Bioactive Scaffold for Therapeutic and Adhesion Prevention Applications - A device for inhibiting adhesion of apposing human body tissue layers includes a scaffold having a designated mean pore size, relative density, and degradation half-life. The scaffold may be operably positioned between apposing tissue layers, such as proximate adhesiogenic layers at a wound site, so as to permit remesothelialization of the tissue without formation of fibrous adhesions. The scaffold device of the invention inhibits adhesion formation by promoting contractile cell migration away from the wound site for a predetermined period of time. The invention further relates to device and methods for promoting internal tissue regeneration, and for provision and/or dispensation of therapeutic and/or diagnostic agents in vivo. | 07-01-2010 |
20100178313 | Implantable Degradable Biopolymer Fiber Devices - Degradable fibers that include biopolymers, as well as implantable devices including one or more fibers made from degradable biopolymers, e.g., alginate, chitosan, hyaluronans or their derivatives. The devices provide a combination of degradability and biocompatibility with physical properties suitable for use of the devices as implants. Exemplary devices are fastening devices including one or more biopolymer fibers. The use of such degradable biopolymers minimizes or eliminates the need for a second surgery to remove the implant, thereby eliminating the additional cost and potential complications of such a second surgery and should reduce the likelihood of secondary fractures resulting from the stress-shielding effect or the presence of screws holes that serve as stress concentrators. Methods for the fabrication of the degradable biopolymer fibers of the present invention are also provided, as well as methods for the fabrication of implantable degradable devices of the present invention which contain one or more degradable biopolymer fibers. | 07-15-2010 |
20100178314 | FREEZE-DRIED FIBRIN MATRICES AND METHODS FOR PREPARATION THEREOF - Methods for producing porous freeze-dried fibrin matrices substantially devoid of external anti-fibrinolytic agents. Resilient matrices, also known as sponges, that are particularly beneficial for supporting three dimensional cell growth are obtained from plasma proteins substantially devoid of plasminogen or from partially purified plasma proteins, thus obviating the need for exogenous anti-fibrinolytic agents. Furthermore, incorporation of glycosaminoglycans and bioactive agents during the formation of the matrix results in a sponge having advantageous biological, mechanical and physical properties. The compositions made by the processes of the present invention are useful clinically, per se or as cell-bearing implants. | 07-15-2010 |
20100189763 | CONTROLLED RELEASE SYSTEMS FROM POLYMER BLENDS - Described herein are improved microparticles. In one aspect, the microparticles comprise a first polymer and a second polymer wherein the second polymer is different than the first polymer. In further aspects, the microparticles comprise a bioactive agent encapsulated therein. | 07-29-2010 |
20100189764 | BIOACTIVE MESH - Surgical meshes include bicomponent fibers and/or microfibers. A bicomponent fiber or microfiber includes a non-absorbable inner core including at least one flexible polymer and an absorbable surface material including at least one rigid polymer. The absorbable surface material has a first stiffness and the non-absorbable inner core has a second stiffness which is lower than the first stiffness. The bicomponent fiber or microfiber surgical mesh is less flexible prior to implantation and more flexible following implantation in tissue. The mesh may be used for the treatment of hernias, vaginal prolapses, and other injuries. | 07-29-2010 |
20100196440 | Implant Material - The present relates to the field of dental and bone surgery. In particular, the invention relates to fibrous pharmaceutical compositions; fibrous webs, yarns and woven fabrics of such pharmaceutical compositions; to implant material essentially consisting of fibrous pharmaceutical compositions; to the manufacturing and use of such fibers/webs/implant materials. | 08-05-2010 |
20100196441 | USES OF IMMUNOLOGICALLY MODIFIED SCAFFOLD FOR TISSUE PREVASCULARIZATION CELL TRANSPLANTATION - This invention provides method of making and using of a porous 3 dimensional cyclic RGD peptide-modified alginate scaffold that can be loaded with different cell types and/or growth factors for implantation at sites of tissue damage to promote tissue regeneration. The cyclic RGD peptide promotes vascular formation of the host tissue, cell binding and survival of seeded cells. Scaffolds with growth factors but without cells can also be implanted to create a vascular bed in which cells are transplanted at a later time point. | 08-05-2010 |
20100196442 | METHODS FOR TREATING OPEN WOUNDS - A method for treating an open wound, such as a surgical wound, may include preparing a first composition including a platelet poor plasma (PPP), and preparing a second composition including a platelet rich plasma (PRP). A layer of the first composition may be applied within the open wound, and a layer of the second composition may be applied within the open wound over the layer of the first composition. | 08-05-2010 |
20100203102 | COMPOSITIONS AND METHODS FOR TREATING POST-OPERATIVE PAIN USING BUPIVACAINE AND AN ANTI-ONFLAMMATORY AGENT - Effective treatments of pain that accompanies post-operative surgeries are provided. Through the administration of an effective amount of a combination of bupivacaine and an anti-inflammatory agent at or near a target site, one can alleviate or prevent pain while preventing undesirable levels of inflammation. This administration of bupivacaine and an anti-inflammatory agent is particularly useful following surgery. | 08-12-2010 |
20100209475 | MEDICAL IMPLANTS HAVING A DRUG DELIVERY COATING - Medical implants having a drug delivery coating, comprising a diffusion matrix made of a collagen matrix, a bioactive material, and a self-arranging transport barrier layer. The bioactive material is contained in the collagen matrix layer and/or the self-arranging transport barrier layer. Methods of preparing the coated implants and methods of modulating the rate of elution of a bioactive material are also provided. | 08-19-2010 |
20100209476 | COATING COMPRISING A TERPOLYMER COMPRISING CAPROLACTONE AND GLYCOLIDE - The present invention provides a coating comprising a reservoir layer comprising a terpolymer comprising caprolactone and glycolide and a primer layer comprising an amorphous polymer on an implantable device and methods of making and using the same. | 08-19-2010 |
20100226960 | Natural biodegradable matrices and uses thereof - Matrices formed from a natural biodegradable material and that exhibit surface degradation in the presence of an enzyme are described. Matrices including a bioactive agent can be implanted or formed in a subject for release of the bioactive agent upon degradation of the matrix. The matrix can be provided in various forms, including coatings for implantable devices, implants, and in-situ formed matrices. The matrix can also be in the form of a medical device having a structure that is used to treat a medical condition. | 09-09-2010 |
20100226961 | CROSS-LINKED BIOACTIVE HYDROGEL MATRICES - The present invention is directed to a stabilized cross-linked hydrogel matrix comprising a first high molecular weight component and a second high molecular weight component that are covalently linked, and at least one stabilizing or enhancing agent, wherein the first high molecular weight component and the second high molecular weight component are each selected from the group consisting of polyglycans and polypeptides. This stabilized hydrogel matrix may be prepared as bioactive gels, pastes, slurries, cell attachment scaffolds for implantable medical devices, and casting or binding materials suitable for the construction of medical devices. The intrinsic bioactivity of the hydrogel matrix makes it useful as a gel or paste in multiple applications, including as a cell attachment scaffold that promotes wound healing around an implanted device, as gels and pastes for induction of localized vasculogenesis, wound healing, tissue repair, and regeneration, as a wound adhesive, and for tissue bulking. | 09-09-2010 |
20100247606 | INTRAOCULAR SUSTAINED RELEASE DRUG DELIVERY SYSTEMS AND METHODS FOR TREATING OCULAR CONDITIONS - Biocompatible, bioerodible sustained release implants and microspheres for intracameral or anterior vitreal placement include an anti-hypertensive agent and a biodegradable polymer effective to treat an ocular hypertensive condition (such as glaucoma) by relapsing therapeutic amount of the anti-hypertensive agent over a period of time between | 09-30-2010 |
20100247607 | IMPLANTABLE FORMULATIONS OF BISPHOSPHONIC ACIDS - The invention relates to devices, methods and formulation for subcutaneous administration of a bisphosphonate. In such a device, a drug core, comprising a bisphosphonate, is disposed in a tube. The devices may be administered to a patient in need of subcutaneously wherein the release of the bisphosphonate is desired to provide sustained release of a therapeutically effective dose of the bisphosphonate. | 09-30-2010 |
20100255060 | NERVE REGENERATION-INDUCING TUBE - To provide a nerve regeneration-inducing tube being excellent in cell growth property, resistance to pressure, shape recovery property, and anti-kink property in a nerve regeneration-inducing tube where a collagen solution is applied on the outer surface of a tubular body knitted with ultrafine fiber comprising biodegradable and bioabsorbable polymer while collagen is filled in the inner area of the tubular body. Specifically, to provide a nerve regeneration-inducing tube where a degradation speed is adjusted so as to make it suitable for the connection of nerve gaps of more than 40 mm. | 10-07-2010 |
20100260817 | Polyamine Derivatives - Disclosed are compounds, compositions and methods for systemic and local delivery of biologically active molecules. | 10-14-2010 |
20100266660 | Osteogenic Implants with Combined Implant Materials and Methods for Same - Described are osteogenic implants that include a first implant material covered at least in part by a second implant material carrying an osteogenic protein such as a bone morphogenic protein. The first implant material can comprise a mineral and provide an inner scaffolding portion for supporting bone ingrowth, and the second implant material can comprise a collagen or other sponge carrier covering the first implant material and having a liquid osteogenic protein formulation imbibed therein. Related implant materials and methods of preparation and use constitute additional aspects of the invention. | 10-21-2010 |
20100266661 | OSTEOGENIC IMPLANTS WITH COMBINED IMPLANT MATERIALS AND METHODS FOR SAME - Described are osteogenic implants that include a first implant material covered at least in part by a second implant material carrying an osteogenic protein such as a bone morphogenic protein. The first implant material can comprise a mineral and provide an inner scaffolding portion for supporting bone ingrowth, and the second implant material can comprise a collagen or other sponge carrier covering the first implant material and having a liquid osteogenic protein formulation imbibed therein. Related implant materials and methods of preparation and use constitute additional aspects of the invention. | 10-21-2010 |
20100266662 | METHODS OF PROMOTING ENHANCED HEALING OF TISSUES AFTER CARDIAC SURGERY - Resorbable polylactide polymer healing membranes and methods of their applications are disclosed. In a broad embodiment, the invention features methods for inducing proper tissue healing after an open heart surgery. In one embodiment, the methods includes a step of forming a patch with a healing membrane over the open pericardium to induce proper tissue healing and placement in other open heart surgery procedures to facilitate re-entry by the surgeon. | 10-21-2010 |
20100266663 | TISSUE-TREATING IMPLANTABLE COMPOSITIONS - A prosthesis for repairing a hernia includes an adhesion-resistant biodegradable region and an opposing tissue-ingrowth biodegradable region. When the prosthesis is implanted into the patient, the adhesion-resistant biodegradable region covers a fascial defect of the hernia, and the tissue-ingrowth biodegradable region is located above the adhesion-resistant biodegradable region while being exposed substantially only to the host's subcutaneous tissue layer. This orientation allows the tissue-ingrowth biodegradable region to become firmly incorporated with the host's body tissue. The adhesion-resistant biodegradable region faces the internal organs and decreases the incidence of adhesions and/or bowel obstruction. | 10-21-2010 |
20100285091 | METHODS AND COMPOSITIONS FOR REPAIR OF CARTILAGE USING AN IN VIVO BIOREACTOR - Methods and compositions for the biological repair of cartilage using a hybrid construct combining both an inert structure and living core are described. The inert structure is intended to act not only as a delivery system to feed and grow a living core component, but also as an inducer of cell differentiation. The inert structure comprises concentric internal and external and inflatable/expandable balloon-like bio-polymers. The living core comprises the cell-matrix construct comprised of HDFs, for example, seeded in a scaffold. The method comprises surgically removing a damaged cartilage from a patient and inserting the hybrid construct into the cavity generated after the foregoing surgical intervention. The balloons of the inert structure are successively inflated within the target area, such as a joint, for example. Also disclosed herein are methods for growing and differentiating human fibroblasts into chondrocyte-like cells via mechanical strain. | 11-11-2010 |
20100285092 | METHODS AND COMPOSITIONS FOR REPAIR OF CARTILAGE USING AN IN VIVO BIOREACTOR - Methods and compositions for the biological repair of cartilage using a hybrid construct combining both an inert structure and living core are described. The inert structure is intended to act not only as a delivery system to feed and grow a living core component, but also as an inducer of cell differentiation. The inert structure comprises concentric internal and external and inflatable/expandable balloon-like bio-polymers. The living core comprises the cell-matrix construct comprised of HDFs, for example, seeded in a scaffold. The method comprises surgically removing a damaged cartilage from a patient and inserting the hybrid construct into the cavity generated after the foregoing surgical intervention. The balloons of the inert structure are successively inflated within the target area, such as a joint, for example. Also disclosed herein are methods for growing and differentiating human fibroblasts into chondrocyte-like cells via mechanical strain. | 11-11-2010 |
20100285093 | METHODS AND COMPOSITIONS FOR REPAIR OF CARTILAGE USING AN IN VIVO BIOREACTOR - Methods and compositions for the biological repair of cartilage using a hybrid construct combining both an inert structure and living core are described. The inert structure is intended to act not only as a delivery system to feed and grow a living core component, but also as an inducer of cell differentiation. The inert structure comprises concentric internal and external and inflatable/expandable balloon-like bio-polymers. The living core comprises the cell-matrix construct comprised of HDFs, for example, seeded in a scaffold. The method comprises surgically removing a damaged cartilage from a patient and inserting the hybrid construct into the cavity generated after the foregoing surgical intervention. The balloons of the inert structure are successively inflated within the target area, such as a joint, for example. Also disclosed herein are methods for growing and differentiating human fibroblasts into chondrocyte-like cells via mechanical strain. | 11-11-2010 |
20100291180 | NERVE GUIDANCE TUBES - Provided herein are cell guidance tubes and methods for their use. | 11-18-2010 |
20100291181 | THERAPEUTIC DEVICES FOR PATTERNED CELL GROWTH - The invention provides therapeutic devices comprising a polymeric anti-inflammatory agent that biodegrades to release anti-inflammatory agents. The therapeutic devices are useful for repair and regeneration of a variety of injured tissues. | 11-18-2010 |
20100291182 | Drug-Loaded Fibers - Implants and methods for the delivery of a therapeutic agent to a target location within a patient's body are disclosed. The implants include a fiber comprising a polymeric material and having a diameter of up to about twenty microns, and a first therapeutic agent within the fiber. The therapeutic agent is substantially in particulate form. The implants are of a variety of configurations, such as individual fibers, yarns, ropes, tubes, and patches. | 11-18-2010 |
20100303889 | Compositions and Methods for Promoting Patency of Vascular Grafts - Methods for increasing the patency of biodegradable, synthetic vascular grafts are provided. The methods include administering one or more cytokines and/or chemokines that promote outward tissue remodeling of the vascular grafts and vascular neotissue formation. The disclosed methods do not require cell seeding of the vascular grafts, thus avoiding many problems associated with cell seeding. Biodegradable, polymeric vascular grafts which provide controlled release of cytokines and/or chemokines at the site of vascular graft implantation are also provided. | 12-02-2010 |
20100310628 | PRE-SHAPED USER-FORMABLE MICRO-MEMBRANE IMPLANTS - Precut, user-shapeable, resorbable polymer micro-membranes are disclosed. The micro-membranes are constructed of resorbable polymers, which are engineered to attenuate adhesions and to be absorbed into the body relatively slowly over time. The membranes can formed to have very thin thicknesses, for example, thicknesses between about 0.010 mm and about 0.300 mm, while maintaining adequate strength. The membranes can be extruded from polylactide polymers having a relatively high viscosity property, can be stored in sterile packages, and can be preshaped with relatively high reproducibility during implantation procedures. | 12-09-2010 |
20100310629 | INTRAPERICARDIAL ANTIARRHYTHMIC DELIVERY - Certain embodiments provide a method, of treating or reducing a risk of postoperative cardiac arrhythmia, including: creating an opening in a mammal's body; advancing a releasing member from outside the body, through the opening, and toward the mammal's heart; positioning the releasing member between a visceral layer and a parietal layer of pericardium of the mammal's heart; and at least partially closing the opening in the body, leaving the releasing member in the pericardial space. In certain embodiments, the releasing member releases an antiarrhythmic drug into the mammal's pericardial space and is configured not to impede significantly a systolic or a diastolic function of the heart while the releasing member resides in the pericardial space. | 12-09-2010 |
20100330147 | Drug Delivery Compositions Including Nanoshells For Triggered Drug Release - The current invention is directed to compositions comprising a plurality of particles including nanoshells or a medical device with a coating including nanoshells allowing for triggered drug release. Methods of treatment with such compositions are also included. | 12-30-2010 |
20110014267 | BIOSYNTHETIC CARTILAGINOUS MATRIX AND METHODS FOR THEIR PRODUCTION - An isolated, acellular biosynthetic cartilaginous matrix substantially devoid of synthetic biodegradable scaffold structure is provided. Through a method with the steps of a) contacting in vitro a population of chondrogenic cells with a synthetic biodegradable scaffold; b) culturing in vitro for a period of time said chondrogenic cells within said synthetic biodegradable scaffold so that the chondrogenic cells produce a biosynthetic cartilaginous matrix; c) substantially removing any antigen derived from said chondrogenic cells a matrix suitable of implantation into a living individual mammal, such as a human being is obtained. | 01-20-2011 |
20110027340 | IMPLANTABLE DRUG DEPOT FOR WEIGHT CONTROL - The present invention is directed to an implantable drug depot for weight control. The drug depot includes at least one biodegradeable polymer and at least one biologically active agent. Through the administration of an effective amount of the biologically active agent at or near a target site, one can control weight gain and/or reduce, prevent or treat obesity. When appropriate formulations are provided within biodegradable polymers, weight control or treatment can be conducted for at least five days and up to one hundred and thirty-five days. | 02-03-2011 |
20110052659 | Implants for administering substances and methods of producing implants - A porous silicon implant impregnated with a beneficial substance, such as a micromineral required for healthy physiology, is implanted subcutaneously and is entirely corroded away over the following months/year to release the micromineral in a controlled manner. In a second embodiment the implant may have a large number of holes which contain beneficial substance and which are closed by bio-errordable doors of different thickness so as to stagger the release of the beneficial substance over time as the doors are breached. | 03-03-2011 |
20110052660 | CERAMIC SCAFFOLDS FOR BONE REPAIR - Ceramic articles as functional biodegradable scaffolds with graded porosity are made by a process that includes a hardening step in which the liquid of a liquid-containing ceramic composition is extracted from the ceramic composition by exposing the ceramic composition to a solvent in which the liquid in the composition is soluble before the ceramic composition is solidified into the final ceramic article. An exemplary calcium phosphate porous ceramic article constructed in accordance with the process is useful as an implant to repair a bone defect. | 03-03-2011 |
20110070285 | METHOD OF MAKING FLEXIBLE BIORESORBABLE HEMOSTATIC PACKING AND STENT HAVING A PRESELECTABLE IN-VIVO RESIDENCE TIME - The invention provides a method of making flexible bioresorbable foam having hemostatic properties and a preselectable in-vivo residence time. A blend of crosslinked collagen blended and a hyaluronic acid component is prepared. The blend is mixed with water to form a suspension. The blend is freezed and lyophilized at less than about 0° C. Next, the blend is crosslinked. The product is then sterilized and chain scission is performed by bombardment with gamma rays or a beam of electrons. | 03-24-2011 |
20110076319 | BIORESORBABLE METAL STENT WITH CONTROLLED RESORPTION - Embodiments herein relate to a special form of a bioresorbable metal stent with controlled resorption due to a wrap with a special polymer, thereby ensuring a controlled resorption of the wrapped endoprosthesis subsequent to its implantation into a blood vessel. The resorbable implant comprises a magnesium alloy provided with a biodegradable coating. The biodegradable coating comprises biodegradable polymers and can further include at least one pharmacologically active substance such as an antiproliferative, antimigrative, antiangiogenic, antiinflammatory, antiphlogistic, cytostatic, cytotoxic and/or antithrombotic agent, anti-restenosis agents, corticoids, sex hormones, statins, epothilones, prostacyclins and/or inductors of angiogenesis. | 03-31-2011 |
20110091518 | IMPLANT DEVICES HAVING VARYING BIOACTIVE AGENT LOADING CONFIGURATIONS - Described herein are implant devices comprising various configurations of bioactive agent loading which can be selected and used to tailor a particular bioactive agent release profile from the implant device. | 04-21-2011 |
20110091519 | CONTROLLING RESORPTION OF BIORESORBABLE MEDICAL IMPLANT MATERIAL - The resorption of a medical implant can be controlled with the use of particles embedded in a resorbable bulk material forming the implant or portion thereof. The implant can be removed from a body of a mammal by natural biological mechanisms after use. The resorption of the implant can involve swelling and/or hydrolyzing of the particles within the implant upon contact with a body fluid such that porosity and flow of fluid within the bulk material of the implant is increased. Resorption of the implant may also involve the use of particles with magnetic properties embedded within the implant such that an applied magnetic field causes the particles to vibrate within the bulk material thereby increasing the porosity and thus the flow of fluid, hence facilitating resorption of the implant. The resorption rate of the implant can be controlled by modulating swelling, hydrolysis, or movement of the embedded particles. | 04-21-2011 |
20110097380 | CLONIDINE FORMULATIONS HAVING ANTIMICROBIAL PROPERTIES - Antimicrobial clonidine compositions are provided. These antimicrobial clonidine compositions can be applied to medical devices or be part of a drug depot. Through the administration of an effective amount of clonidine at or near a target site, one can reduce, prevent, or treat infections. When appropriate clonidine compositions are provided within biodegradable polymers, the infection may be treated for extended periods of time. | 04-28-2011 |
20110097381 | CONFORMABLE TISSUE REPAIR IMPLANT CAPABLE OF INJECTION DELIVERY - A conformable tissue implant is provided for use in repairing or augmenting a tissue defect or injury site. The tissue implant contains a tissue carrier matrix comprising a plurality of biocompatible, bioresorbable granules and at least one tissue fragment in association with the granules. The tissue fragment contains one or more viable cells that can migrate from the tissue and populate the tissue carrier matrix. Also provided is a method for injectably delivering the tissue implant. | 04-28-2011 |
20110104234 | Biodegradable Modified Carpolactone Polymers for Fabrication and Coating Medical Devices - Disclosed herein are biodegradable modified caprolactone polymers for coating and forming medical devices. The properties of the polymers are fine tuned for optimal performance depending on the medical purpose. Moreover, the polymers are suitable for the controlled in situ release of drugs at the treatment site. | 05-05-2011 |
20110104235 | COMPOSITIONS AND METHODS FOR TREATING CONDITIONS OF THE NAIL UNIT - The biodegradable drug delivery systems described here are formulated for implantation into the nail unit and its surrounding tissues for the treatment of various nail unit conditions. The systems include non-temperature dependent phase change compositions that may be formulated as solutions, solids, semisolids, microparticles, or crystals. | 05-05-2011 |
20110117171 | IMPLANTABLE BONE GRAFT MATERIALS - Compositions and methods are provided for promoting bone growth. An implantable bone graft material is provided comprising a resorbable ceramic and a resorbable polymer, wherein the polymer comprises a covalently attached stem cell binding peptide. The implantable bone graft materials are useful for promoting bone growth in a subject. | 05-19-2011 |
20110129515 | Devices and Methods for Nerve Regeneration - The present invention is directed to a nerve regeneration conduit including a resorbable tube having a matrix therein. The matrix is characterized by substantially parallel, axially aligned pores extending the length of the matrix. The matrix is formed by the axial freezing of a slurry having little or no significant radial thermal gradient during the freezing process. The matrix is used to bridge the gap between the severed ends of a nerve and provide a scaffold for nerve regeneration. | 06-02-2011 |
20110142906 | Implant Devices that Differ by Release Profile and Methods of Making and Using Same - Described herein are implant devices, kits comprising the implant devices, and methods of making and using the devices and kits. In one aspect, a plurality implant devices comprises at least two implants that exhibit a different release profile of a bioactive agent. In another aspect, an implant device comprises one or more adjoined polymer bodies, wherein at least two of the polymer bodies provide a different release profile of a bioactive agent. In another aspect, a kit comprises one or more disclosed implant devices. In another aspect, methods of delivering a bioactive agent to a subject comprise administering to the subject one or more disclosed implant devices. | 06-16-2011 |
20110142907 | Polymer for tissue bonding - Provided herein are polymeric adhesives which may be cured by inductive heating and which are suitable for treating tissue in an individual to effect a weld between one or more tissues or between a tissue and at least one non-tissue substrate. Also provided are methods using the adhesives and methods of manufacture. | 06-16-2011 |
20110150966 | DEGRADABLE POLYMERS INCORPORATING GAMMA-BUTYROLACTONE - Disclosed herein are implantable medical devices having controlled release biodegradable polymer coatings thereon wherein the polymer is formed from ring opening of γ-butyrolactone and at least one additional monomer selected from the group consisting of trimethylene carbonate, lactide, polyethylene glycol, glycolide, the monomers formed from ring opening of ε-caprolactone, 4-tert-butyl caprolactone, and N-acetyl caprolactone, and combinations thereof, and at least one drug releasable from the biodegradable polymer. Also disclosed are implantable medical devices form of the biodegradable polymers and processes for forming the polymers. | 06-23-2011 |
20110182965 | HIGHLY COMPRESSION RESISTANT MATRIX WITH POROUS SKELETON - A highly compression resistant matrix is provided for implantation at or near a target tissue site beneath the skin. The matrix comprises a polymer and a ceramic skeleton. The compression resistance provides retention of a volume that facilitates bone regeneration. | 07-28-2011 |
20110182966 | INTRACAMERAL SUSTAINED RELEASE THERAPEUTIC AGENT IMPLANTS - Described herein are intracameral implants including at least one therapeutic agent for treatment of at least one ocular condition. The implants described herein are not anchored to the ocular tissue, but rather are held in place by currents and gravity present in the anterior chamber of an eye. The implants are preferably polymeric, biodegradable and provide sustained release of at least one therapeutic agent to both the trabecular meshwork and associated ocular tissue and the fluids within the anterior chamber of an eye. | 07-28-2011 |
20110182967 | IMPLANTS FOR ADMINISTERING SUBSTANCES AND METHODS OF PRODUCING IMPLANTS - A porous silicon implant impregnated with a beneficial substance, such as a micromineral required for healthy physiology, is implanted subcutaneously and is entirely corroded away over the following months/year to release the micromineral in a controlled manner. In a second embodiment the implant may have a large number of holes which contain beneficial substance and which are closed by bio-errordable doors of different thickness so as to stagger the release of the beneficial substance over time as the doors are breached. | 07-28-2011 |
20110200660 | POLY(ESTER AMIDE)-BASED DRUG DELIVERY SYSTEMS WITH CONTROLLED RELEASE RATE AND MORPHOLOGY - A method of forming a coating on a medical device having a controlled morphology is described. A medical device having a controlled morphology is described. | 08-18-2011 |
20110217353 | IMPLANTS FOR ADMINISTERING SUBSTANCES AND METHODS OF PRODUCING IMPLANTS - A porous silicon implant impregnated with a beneficial substance, such as a micromineral required for healthy physiology, is implanted subcutaneously and is entirely corroded away over the following months/year to release the micromineral in a controlled manner. In a second embodiment the implant may have a large number of holes which contain beneficial substance and which are closed by bio-errordable doors of different thickness so as to stagger the release of the beneficial substance over time as the doors are breached. | 09-08-2011 |
20110217354 | IMPLANTS FOR ADMINISTERING SUBSTANCES AND METHODS OF PRODUCING IMPLANTS - A porous silicon implant impregnated with a beneficial substance, such as a micromineral required for healthy physiology, is implanted subcutaneously and is entirely corroded away over the following months/year to release the micromineral in a controlled manner. In a second embodiment the implant may have a large number of holes which contain beneficial substance and which are closed by bio-errordable doors of different thickness so as to stagger the release of the beneficial substance over time as the doors are breached. | 09-08-2011 |
20110229550 | Acid-Degradable and Bioerodible Modified Polyhydroxylated Materials - Compositions and methods of making a modified polyhydroxylated polymer comprising a polyhydroxylated polymer having reversibly modified hydroxyl groups, whereby the hydroxyl groups are modified by an acid-catalyzed reaction between a polydroxylated polymer and a reagent such as acetals, aldehydes, vinyl ethers and ketones such that the modified polyhydroxylated polymers become insoluble in water but freely soluble in common organic solvents allowing for the facile preparation of acid-sensitive materials. Materials made from these polymers can be made to degrade in a pH-dependent manner. Both hydrophobic and hydrophilic cargoes were successfully loaded into particles made from the present polymers using single and double emulsion techniques, respectively. Due to its ease of preparation, processability, pH-sensitivity, and biocompatibility, of the present modified polyhydroxylated polymers should find use in numerous drug delivery applications. | 09-22-2011 |
20110236458 | COATING - The invention relates to a coating composition for an implantable medical device, a method of coating a medical device and a device coated with the composition. | 09-29-2011 |
20110236459 | Therapeutic Implant - Surgical implants of the present disclosed include a film comprising a first therapeutic agent and a mesh comprising a second therapeutic agent. The surgical implant includes a film in direct contact with a mesh. The first therapeutic agent may be released at a first rate and the second therapeutic agent may be released at a second rate. | 09-29-2011 |
20110236460 | Therapeutic Implant - Surgical implants of the present disclosed include a film comprising a first therapeutic agent and a mesh comprising a second therapeutic agent. The surgical implant includes a film in direct contact with a mesh. The first therapeutic agent may be released at a first rate and the second therapeutic agent may be released at a second rate. | 09-29-2011 |
20110236461 | METHODS FOR STIMULATING CHONDROGENESIS UTILIZING A POTASSIUM CHANNEL INHIBITOR - The invention is directed to a method for stimulating chondrogenesis comprising administering to a subject in need thereof a composition comprising a therapeutically effective amount of a potassium channel inhibitor. | 09-29-2011 |
20110244017 | Absorbable Coating For Implantable Device - The present invention provides an absorbable coating for an implantable device and the methods of making and using the same. | 10-06-2011 |
20110256205 | Bone cell delivery device - Bone cages are disclosed including devices for biocompatible implantation. The structures of bone are useful for providing living cells and tissues as well as biologically active molecules to subjects. | 10-20-2011 |
20110256206 | IMPLANTABLE DEVICES FOR TREATING HIV - The present invention relates to an implantable device comprising a biocompatible, biodegradable polymer mixed with TMC278 and with one or more release-enhancing agents selected from the group consisting of poloxamers, polysorbates, and a combination of dimethyl sulfoxide (DMSO) and poly(vinyl pyrrolidone)(PVP). | 10-20-2011 |
20110274739 | METHODS FOR GOVERNING TISSUE GROWTH - Resorbable polymer barrier membranes and methods of their applications are disclosed. In a broad embodiment, methods of governing tissue growth, or preventing tissue growth into a certain spatial area, includes the step of forming a spatial barrier with the present resorbable barrier membrane. The barrier membrane separates a tissue-growth area and a non-bone-growth area, and prevents tissue from growing into the non-growth area. | 11-10-2011 |
20110287080 | COATING II - The invention relates to a coating composition for an implantable medical device, a method of coating a medical device and a device coated with the composition. | 11-24-2011 |
20110305742 | PHARMACEUTICAL COMPOSITIONS - A device implantable into a human or animal body comprising a biodegradable polymer which comprises ethylene carbonate units of the formula A | 12-15-2011 |
20120021040 | THERAPEUTIC AGENT FOR SPINAL CORD INJURIES - Disclosed is a therapeutic agent effective for the fundamental treatment of a spinal cord injury and a demyelinating disease. Specifically disclosed are a therapeutic agent for a spinal cord injury and a therapeutic agent for a demyelinating disease, each of which comprises an HGF protein as an active ingredient. | 01-26-2012 |
20120027835 | SURGICAL PROSTHESIS HAVING BIODEGRADABLE AND NONBIODEGRADABLE REGIONS - A prosthesis for repairing a hernia includes an adhesion-resistant biodegradable region and an opposing tissue-ingrowth biodegradable region. When the prosthesis is implanted into the patient, the adhesion-resistant biodegradable region covers a fascial defect of the hernia, and the tissue-ingrowth biodegradable region is located above the adhesion-resistant biodegradable region while being exposed substantially only to the hoses subcutaneous tissue layer. This orientation allows the tissue-ingrowth biodegradable region to become firmly incorporated with the host's body tissue. The adhesion-resistant biodegradable region faces the internal organs and decreases the incidence of adhesions and/or bowel obstruction. | 02-02-2012 |
20120114733 | IMPLANT MATERIAL AND PRODUCTION METHOD THEREOF - The present invention provides an implant material comprising an organic-inorganic complex porous article and a production method thereof. The organic-inorganic complex porous article is a biodegradable and bioabsorbable bioactive porous article in which a bioactive bioceramics powder is uniformly dispersed in a biodegradable and bioabsorbable polymer, wherein it has continuous pores and the bioceramics powder is partly exposed to the pore inner surface or the pore inner surface and the porous article surface. | 05-10-2012 |
20120121683 | FUNCTIONAL NANOPARTICLE FILLED NANOTUBES AND METHODS OF THEIR PRODUCTION - Carbon nanotubes with a suspension or colloidal solution of functional nanoparticles and methods for production of carbon nanotubes loaded with functional nanoparticles are provided. | 05-17-2012 |
20120121684 | Coating Comprising A Poly(Ethylene Glycol)-Poly(Lactide-Glycolide-Caprolactone) Interpenetrating Network - Implantable medical devices are disclosed. The devices comprise a coating comprising an interpenetrating network or semi-interpenetrating network. The interpenetrating network or semi-interpenetrating network comprises poly(ethylene glycol) and an aliphatic polyester copolymer. A method of using the implantable device is also provided. | 05-17-2012 |
20120189683 | COMPOSITE OF AMORPHOUS CALCIUM PHOSPHATE/CALCIUM SULFATE HEMIHYDRATE (CSH/ACP) FOR BONE IMPLANTATION AND PROCESS FOR PRODUCING THE SAME - The invention provides a composite of α-calcium sulfate (CS) hemihydrate/amorphous calcium phosphate (α-CSH/ACP), comprising α-CSH and ACP at a weight ratio of about 10:90 to about 90:10. Particularly, the composite of the invention has a resorption period of 3-6 months. The invention also provides a one-pot process for producing α-CSH/ACP composite of the invention. The one-pot process of the invention can produce α-CSH and ACP in a single process and easily obtain α-CSH/ACP composite. | 07-26-2012 |
20120195952 | IMPLANTABLE MATRIX HAVING OPTIMUM LIGAND CONCENTRATIONS - Implantable matrices and methods are provided. The matrices are configured to fit at or near a target tissue site, the matrices comprise biodegradable materials and ligands bound to the matrices and are configured to bind receptors and allow influx of cells into the implantable matrices, wherein the ratio of ligands to receptors is from about 1.5 to about 0.5. | 08-02-2012 |
20120201870 | Dicalcium Phosphate Ceramics, Dicalcium Phosphate/Hydroxyapatite Biphasic Ceramics and Method of Manufacturing the Same - The present invention discloses a method of manufacturing pure dicalcium phosphate ceramics or dicalcium phosphate/hydroxyapaite (HA) biphasic ceramics for medical applications in hard tissue areas to be used as implant materials. These ceramic implant materials are in granular form or in block form, and are prepared by using an acidic phosphate compound, a basic calcium phosphate compound comprising HA, and water. The dicalcium phosphate ceramic comprises either dicalcium phosphate dihydrate (CaHPO | 08-09-2012 |
20120207808 | DEVICES AND METHODS FOR TREATING DEFECTS IN THE TISSUE OF A LIVING BEING - An implant for deployment in select locations or select tissue for regeneration of tissue is disclosed. The implant includes collagen and or other bio-resorbable materials, where the implant may also be used for therapy delivery. Additionally, the implant may be “matched” to provide the implant with similar physical and/or chemical properties as the host tissue. | 08-16-2012 |
20120219611 | HYPOTENSIVE LIPID-CONTAINING BIODEGRADABLE INTRAOCULAR IMPLANTS AND RELATED METHODS - Biocompatible intraocular implants include a prostamide component and a biodegradable polymer that is effective in facilitating release of the prostamide component into an eye for an extended period of time. The prostamide component may be associated with a biodegradable polymer matrix, such as a matrix of a two biodegradable polymers. The implants may be placed in an eye to treat or reduce a at least one symptom of an ocular condition, such as glaucoma. | 08-30-2012 |
20120276184 | SOLVENT CAST FILM SUSTAINED RELEASE LATANOPROST IMPLANT - The present invention provides a sustained release latanoprost implant in the form of a thin film comprising latanoprost incorporated in a biodegradable polymer matrix. Preferably, said implant is an intraocular implant comprising a thin film comprising latanoprost incorporated in a biodegradable polymer matrix wherein said implant is configured as a disc or a rolled film that can be inserted into the eye and unrolls to provide a film having a high surface area to volume ratio. | 11-01-2012 |
20120276185 | SOLUBLE COATING COMPRISING POLYELECTROLYTE WITH HYDROPHOBIC COUNTERIONS - The present invention provides an implantable device having a biosoluble coating comprising a polyelectrolyte and a counterion and the methods of making and using the same. | 11-01-2012 |
20130022661 | BIO-REMODABLE BONE AUGMENTATION DEVICE AND METHOD - A bio-remodable augmentation device including an implantable member configured for maintaining space in a bone defect. The implantable member is formed from a bio-remodable composite having structural properties so as to aid in the generation of new bone tissue and eventually be reabsorbed in the newly formed bone tissue. This structural and bio-remodable implant reduces, if not eliminates, the need to remove the implantable member from the patient once new bone tissue is formed. A kit including the implantable devices and bone growth material is disclosed. Methods of use are also disclosed. | 01-24-2013 |
20130084322 | DRUG-IMPREGNATED BIODEGRADABLE STENT AND METHODS OF MAKING THE SAME - The present invention relates to a drug-impregnated implantable medical device such as stent manufactured from polymers, and more particularly, biodegradable polymers including biodegradable polyesters. The invented medical devices include at least one therapeutic agent impregnated in at least one biodegradable polymer wherein at least a portion of the therapeutic agent in this polymer is crystalline. The device and methods to impregnated one or more therapeutic agents, where each therapeutics agent may be chosen from the following categories: immunosuppressant agents, anti-neoplastic agents and anti-inflammatory agents were disclosed. Other embodiments include methods of fabricating drug-impregnated implantable medical devices. | 04-04-2013 |
20130108681 | Injectable Depot Compositions and Uses Thereof | 05-02-2013 |
20130189341 | GENERATION OF PHOTORECEPTORS FROM HUMAN RETINAL PROGENITOR CELLS USING POLYCAPROLACTONE SUBSTRATES - The present invention relates to biocompatible compositions for transplantation into a sub-retinal space of the human eye. The compositions include a biodegradable polyester film, preferably a polycaprolactone (PCL) film, and a layer of human retinal progenitor cells. The compositions of the invention can be used as scaffolds for the treatment a number of ocular diseases, including retinitis pigmentosa and age-related macular degeneration. | 07-25-2013 |
20130189342 | HETEROGENEOUS IMPLANTABLE DEVICES FOR DRUG DELIVERY - The present invention comprises compositions, methods and kits for delivering drugs. The invention provides an implantable device for delivery of a pharmaceutical substance to a patient, comprising a core comprising a core polymeric material optionally containing a core pharmaceutical substance, surrounded by a first layer comprising a first-layer pharmaceutical substance and a first-layer polymeric material, optionally surrounded by one or more additional layers comprising an additional pharmaceutical substance and an additional polymeric material, where the core, first, and optional additional polymeric materials may be the same or different, and where the optional core pharmaceutical substance, first-layer pharmaceutical substance, and optional additional pharmaceutical substances are the same or different. Implantation of the device allows a controlled release of drug for an extended period of time. The device may be implanted subcutaneously in an individual in need of continuous treatment with a drug. | 07-25-2013 |
20130195950 | HETEROGENEOUS IMPLANTABLE DEVICES FOR DRUG DELIVERY - The present invention comprises compositions, methods and kits for delivering drugs. The invention provides an implantable device for delivery of a pharmaceutical substance to a patient, comprising a core comprising a core polymeric material optionally containing a core pharmaceutical substance, surrounded by a first layer comprising a first-layer pharmaceutical substance and a first-layer polymeric material, optionally surrounded by one or more additional layers comprising an additional pharmaceutical substance and an additional polymeric material, where the core, first, and optional additional polymeric materials may be the same or different, and where the optional core pharmaceutical substance, first-layer pharmaceutical substance, and optional additional pharmaceutical substances are the same or different. Implantation of the device allows a controlled release of drug for an extended period of time. The device may be implanted subcutaneously in an individual in need of continuous treatment with a drug. | 08-01-2013 |
20130195951 | HETEROGENEOUS IMPLANTABLE DEVICES FOR DRUG DELIVERY - The present invention comprises compositions, methods and kits for delivering drugs. The invention provides an implantable device for delivery of a pharmaceutical substance to a patient, comprising a core comprising a core polymeric material optionally containing a core pharmaceutical substance, surrounded by a first layer comprising a first-layer pharmaceutical substance and a first-layer polymeric material, optionally surrounded by one or more additional layers comprising an additional pharmaceutical substance and an additional polymeric material, where the core, first, and optional additional polymeric materials may be the same or different, and where the optional core pharmaceutical substance, first-layer pharmaceutical substance, and optional additional pharmaceutical substances are the same or different. Implantation of the device allows a controlled release of drug for an extended period of time. The device may be implanted subcutaneously in an individual in need of continuous treatment with a drug. | 08-01-2013 |
20130202673 | HETEROGENEOUS IMPLANTABLE DEVICES FOR DRUG DELIVERY - The present invention comprises compositions, methods and kits for delivering drugs. The invention provides an implantable device for delivery of a pharmaceutical substance to a patient, comprising a core comprising a core polymeric material optionally containing a core pharmaceutical substance, surrounded by a first layer comprising a first-layer pharmaceutical substance and a first-layer polymeric material, optionally surrounded by one or more additional layers comprising an additional pharmaceutical substance and an additional polymeric material, where the core, first, and optional additional polymeric materials may be the same or different, and where the optional core pharmaceutical substance, first-layer pharmaceutical substance, and optional additional pharmaceutical substances are the same or different. Implantation of the device allows a controlled release of drug for an extended period of time. The device may be implanted subcutaneously in an individual in need of continuous treatment with a drug. | 08-08-2013 |
20130216602 | CLONIDINE COMPOUNDS IN A BIODEGRADABLE POLYMER - Effective treatments of pain for extended periods of time are provided. Through the administration of an effective amount of clonidine in a drug depot at or near a target site, one can relieve pain caused by diverse sources, including but not limited to spinal disc herniation (i.e. sciatica), spondilothesis, stenosis, discogenic back pain and joint pain. When appropriate drug depot formulations are provided within biodegradable polymers, this pain relief can be continued for at least fourteen days. | 08-22-2013 |
20130224278 | RESORBABLE CELLULOSE BASED BIOMATERIAL AND IMPLANT - The present disclosure describes an implant for tissue replacement or augmentation including a resorbable non-pyrogenic porous body of irradiated oxidized cellulose, formed from a precurosr reactive mixture of irradiated cellulose and an oxidizing agent, where the body forms a heterogeneous three-dimensional fibrillar network. Also disclosed is a method for producing a body of oxidized cellulose including irradiating a body of cellulose to form an irradiated body of cellulose, and reacting the irradiated body of cellulose with an oxidizing agent to form a non-pyrogenic porous and resorbable body of oxidized cellulose. | 08-29-2013 |
20130243844 | Drug Depots Having Different Release Profiles for Reducing, Preventing or Treating Pain and Inflammation - Effective treatments of pain and/or inflammation are provided. Through the administration of an effective amount of at least analgesic and/or at least one anti-inflammatory agent at or near a target site, one can reduce, prevent or treat inflammation and pain. | 09-19-2013 |
20130266631 | CLONIDINE COMPOUNDS IN A BIODEGRADABLE MATRIX - Effective treatments of pain for extended periods of time are provided. Through the administration of an effective amount of clonidine in a matrix at or near a target site, one can relieve pain caused by diverse sources, including but not limited to spinal disc herniation (i.e. sciatica), spondilothesis, stenosis, discogenic back pain and joint pain, as well as pain that is incidental to surgery. When appropriate matrix formulations are provided within biodegradable polymers, this pain relief can be continued for at least three days. In some embodiments, the relief can be for at least twenty-five days, at least fifty days, at least one hundred days, at least one hundred and thirty-five days or at least one hundred and eighty days. | 10-10-2013 |
20130273135 | Controlled Release Combination Biomaterials - In one aspect, the invention relates to tissue graft combination biomaterials capable of controlled release of bioactive agents or pharmaceutically active agents through a rate-controlling polymer coating encapsulating the graft material, methods for preparing same, methods of controlled release using same, and methods for treating tissue defects. This abstract is intended as a scanning tool for purposes of searching in the particular art and is not intended to be limiting of the present invention. | 10-17-2013 |
20130280316 | Biodegradable non-ophthalmic implants and related methods - Biodegradable non-ophthalmic implants include one or more agents dispersed within a biodegradable polymer component. The implants release the agents from the biodegradable polymer component to a target site of a patient as the implant degrades. The agents provided in the implants can be therapeutic agents or diagnostic agents and are useful in medical treatments of non-ocular regions of a patient. | 10-24-2013 |
20130287832 | SOLUBLE NEEDLE ARRAYS FOR DELIVERY OF INFLUENZA VACCINES - Influenza vaccines are administered using solid biodegradable microneedles. The microneedles are fabricated from the influenza vaccine in combination with solid excipient(s) and, after penetrating the skin, they dissolve in situ and release the vaccine to the immune system. The influenza vaccine is (i) a purified influenza virus surface antigen vaccine, rather than a live vaccine or a whole-virus or split inactivated vaccine (ii) an influenza vaccine prepared from viruses grown in cell culture, not eggs, (iii) a monovalent influenza vaccine e.g. for immunizing against a pandemic strain, (iv) a bivalent vaccine, (v) a tetravalent or >4-valent vaccine, (vi) a mercury-free vaccine, or (vii) a gelatin-free vaccine. | 10-31-2013 |
20130287833 | Nitric Oxide Generating Medical Devices - Medical devices having a catalyst capable of catalyzing the generation of nitric oxide in vivo and methods of treating a vascular condition using the devices are provided. | 10-31-2013 |
20130323294 | TISSUE REPAIR AND REPLACEMENT - Tissue fixation devices are provided. The devices include a first component and a second component, the components having different rates of in vivo degradation. The first component and second component are arranged so that, upon degradation of one of the components, the other component provides a scaffold into which bone can grow. | 12-05-2013 |
20130330394 | NON-RESORBABLE POLYMER COMPOSITE IMPLANT MATERIALS - Composites, constructs and implants comprising a non-resorbable polymer, such as polyetheretherketone (PEEK), having structure of interconnected struts, which may be coralline. Composites may comprise a first phase comprising a ceramic; and a second phase comprising a non-resorbable polymer; wherein each of the first and second phases have an interconnected strut structure and are substantially continuous through the composite. Implants may also comprise a non-porous component containing the non-resorbable polymer that is contiguous with a surface of the core, a surface of the porous layer (if present), or both. Methods are also provided comprising infusing a porous ceramic body, having a plurality of interconnected channels, with a non-resorbable polymer. | 12-12-2013 |
20130344126 | BIOERODABLE POLY(ETHERESTERAMIDES) AND MEDICAL ARTICLE USES - Bioerodable poly(etheresteramides) and matrices formed therefrom, such as medical device coatings, are described. The matrices show desirable erosion properties desirable for therapeutic use. The matrices can include a bioactive agent which can be used to treat medical conditions. | 12-26-2013 |
20140037708 | COMPOSITION FOR SPATIO AND/OR TEMPORAL RELEASE OF BIOACTIVE MATERIAL - The present invention provides a biocompatible composition that comprises a bioactive material and a method for using the same. In particular, the composition of the invention is useful for spatio and/or temporal release of the bioactive material. Specifically, the composition of the invention comprises at least one polymeric mixture layer comprising a plurality of biodegradable polymers. The polymeric mixture layer comprises a first biodegradable polymer and a second biodegradable polymer. The relative amount of the first biodegradable polymer or the second biodegradable polymer increases within the polymeric mixture layer in one direction, and the relative amount of the other biodegradable polymer decreases in the polymeric mixture layer in the same direction. The rate of degradation of the first biodegradable polymer is different from the rate of degradation of the second biodegradable polymer. In this manner, the composition allows spatio and/or temporal release of the bioactive material. | 02-06-2014 |
20140050772 | METHODS FOR TREATING CONDITIONS OF THE NAIL UNIT - The biodegradable drug delivery systems described here are formulated for implantation into the nail unit and its surrounding tissues for the treatment of various nail unit conditions. The systems include non-temperature dependent phase change compositions that may be formulated as solutions, solids, semisolids, microparticles, or crystals. | 02-20-2014 |
20140065199 | Reactive Oxidative Species Generating Materials and Methods of Use - Materials capable of delivering stabilized free radicals to targeted treatment sites. The materials comprise semi-crystalline, hydrolytically degradable polymers that are subjected to ionizing radiation to create stabilized free radicals therein. Upon exposure to oxygen containing aqueous media, the materials generate reactive oxidative species which are useful in biological processes. | 03-06-2014 |
20140072610 | BIOABSORBABLE TRACHEAL STENT, AND METHOD OF MANUFACTURING THEREOF - A bioabsorbable tracheal stent is provided. The bioabsorbable stent comprises a biodegradable polymer, wherein the “ biodegradable polymer comprises about 0 to 30 wt % glycerol, polyethylene glycol, triethyl citrate, or mixture thereof. A drug is dispersed within or dissolved in the biodegradable polymer. In a second and third aspect, the invention relates to methods of manufacturing a bioabsorbable tracheal stent. The first method includes forming a solution comprising a biodegradable polymer and a drug, the biodegradable polymer comprising about 0 to 30 wt % glycerol, polyethylene glycol, triethyl citrate, or mixture thereof. The method further comprises casting the solution to form the bioabsorbable tracheal stent. The second method includes forming a polymeric stent, and dip casting the polymeric stent in a solution comprising a biodegradable polymer and a drug to form a coating on the polymeric stent, wherein the biodegradable polymer comprises about 0 to 30 wt % glycerol, polyethylene glycol, triethyl citrate, or mixture thereof. | 03-13-2014 |
20140134227 | BONE GRAFT SUBSTITUTE COMPOSITION - A composition includes calcium sulfate hemihydrate, stearic acid, an accelerant, and a mixing solution. The composition can be injected, e.g., through a needle, and is capable of setting, e.g., in vivo, in a relatively short period of time to a relatively high hardness. | 05-15-2014 |
20140147486 | IMPLANTS FOR THE TREATMENT OF DOPAMINE ASSOCIATED STATES - Biodegradable implants comprising dopamine modulating compounds are described. | 05-29-2014 |
20140147487 | Methods of Using Water-Soluble Inorganic Compounds for Implants - A method for controlling generation of biologically desirable voids in a composition placed in proximity to bone or other tissue in a patient by selecting at least one water-soluble inorganic material having a desired particle size and solubility, and mixing the water-soluble inorganic material with at least one poorly-water-soluble or biodegradable matrix material. The matrix material, after it is mixed with the water-soluble inorganic material, is placed into the patient in proximity to tissue so that the water-soluble inorganic material dissolves at a predetermined rate to generate biologically desirable voids in the matrix material into which bone or other tissue can then grow. | 05-29-2014 |
20140161861 | Methods And Compositions For The Treatment Of Open And Closed Wound Spinal Cord Injuries - Devices and methods for the treatment of open and closed wound spinal cord injuries are disclosed. For example, described herein are devices and methods for mitigating secondary injury to, and promoting recovery of, spinal cord primary injuries. More particularly, certain embodiments of the present invention are directed to polymeric mini-tubes that may be used for the treatment of spinal cord injuries. In addition, other embodiments are directed to polymeric “fill-in” bandages that may be used for the treatment of spinal cord injuries. For example, an erodible, or biodegradable, form of biocompatible polymer of the present invention is fabricated for surgical implantation into the site of the spinal cord injury. | 06-12-2014 |
20140161862 | ABSORBABLE COATING FOR IMPLANTABLE DEVICE - The present invention provides an absorbable coating for an implantable device and the methods of making and using the same. | 06-12-2014 |
20140178454 | Coating Comprising an Amorphous Primer Layer and a Semi-Crystalline Reservoir Layer - The present invention provides a coating comprising a reservoir layer comprising a semi-crystalline polymer and a primer layer comprising an amorphous polymer on an implantable device and methods of making and using the same. | 06-26-2014 |
20140178455 | Gradient Porous Scaffolds - The present invention provides gradient porous scaffolds for bone regeneration and osteochondral defect repair, methods for making such gradient porous scaffolds, and methods for using the gradient porous scaffolds. | 06-26-2014 |
20140178456 | METHODS AND COMPOSITIONS FOR TREATING TYPE 2 DIABETES AND RELATED CONDITIONS - In some embodiments, there are provided methods and compositions for treating, preventing, or delaying the onset of type 2 diabetes and related disorders. The methods comprise administering a sustained release composition comprising a peroxisome proliferator-activated receptor (PPAR) agonist subcutaneously in a localized area of the subject. Slow release of the PPAR agonist in situ enhances the metabolic activity of subcutaneous adipose tissue, resulting in an increased ability of the tissue to clear excess glucose and lipid from the blood stream, while minimizing adverse side-effects of the agonist. | 06-26-2014 |
20140186419 | USE OF SDF-1 TO MITIGATE SCAR FORMATION - The subject matter provided herein relates to method for inhibiting or mitigating scar formation in a wound of the skin, by increasing the concentration of SDF-1 in, or proximate to, the wound. As described herein SDF-1 protein or an SDF-1 expression vector can be administered to a wound or the area proximate a wound by providing a therapeutically effective amount of SDF-1 protein or an SDF-1 expression vector. | 07-03-2014 |
20140199364 | DRUG LOADED FIBERS - Implants and methods for the delivery of a therapeutic agent to a target location within a patient's body are disclosed. The implants include a fiber comprising a polymeric material and having a diameter of up to about twenty microns, and a first therapeutic agent within the fiber. The therapeutic agent is substantially in particulate form. The implants are of a variety of configurations, such as individual fibers, yarns, ropes, tubes, and patches. | 07-17-2014 |
20140199365 | RESORBABLE STENTS WHICH CONTAIN A MAGNESIUM ALLOY - The present invention is directed to stents made of a magnesium alloy degradable under physiological conditions and an outer polymeric coating. Herein, the stents according to the invention can be additionally coated with at least one anti-inflammatory, antiproliferative, antiangiogenic, antirestenotic and/or antithrombogenic active agent. | 07-17-2014 |
20140220098 | DRUG ELUTING MESH TO PREVENT INFECTION OF INDWELLING TRANSDERMAL DEVICES - In some embodiments, a device ( | 08-07-2014 |
20140248329 | Therapeutic Implant - Surgical implants of the present disclosed include a film comprising a first therapeutic agent and a mesh comprising a second therapeutic agent. The surgical implant includes a film in direct contact with a mesh. The first therapeutic agent may be released at a first rate and the second therapeutic agent may be released at a second rate. | 09-04-2014 |
20140271779 | BONE GRAFT IMPLANTS CONTAINING ALLOGRAFT - Synthetic, bioactive ultra-porous bone graft materials having an engineered porosity, and implants formed from such materials are provided. In particular, these implants comprise bioactive glass and incorporate allograft material for osteoinduction. The implants are suitable for bone tissue regeneration and/or repair. | 09-18-2014 |
20140294913 | BIODEGRADABLE BONE FILLERS, MEMBRANES AND SCAFFOLDS CONTAINING COMPOSITE PARTICLES - This invention is related to bone fillers, hard tissue supporting films and three dimensional scaffolds that contains composite particle of inorganic compound/water soluble polymer (such as β-TCP/Gelatin), that can lead to bone regeneration and release an antibacterial or bioactive agent at the defect area. The bone regenerative hard tissue supporting films and scaffolds were obtained by addition of antibacterial or bioactive agent loaded composite particles into biodegrable polymer (such as PCL) matrix. | 10-02-2014 |
20140314824 | POROUS SCAFFOLD FOR TISSUE ENGINEERING AND PREPARATION METHOD THEREOF - A porous artificial transplant material to replace autogenous bone with excellent biocompatibility, cytocompatibility and biodegradability is provided. More specifically, a porous scaffold for tissue engineering including chitosan/hydroxyapatite-amylopectin (Chitosan/HAp-AP) and a preparation method thereof are provided. The porous scaffold for tissue engineering has cross linkage among chitosan, hydroxyapatite and amylopectin, which provides advantageous effect including superior cell proliferation and transmission, and excellent thermal stability and mechanical strength. Further, considering excellent biocompatibility and biodegradability which do not harm human body, the porous scaffold can be widely used as an artificial transplant material to replace autogenous bone in biomedical field. | 10-23-2014 |
20140314825 | CHITOSAN DENTAL SURGICAL MEMBRANE AND METHOD OF MAKING - A porous, resorbable and flexible dental surgical membrane ( | 10-23-2014 |
20140322293 | METHODS FOR TREATING CONDITIONS OF THE NAIL UNIT - The biodegradable drug delivery systems described here are formulated for implantation into the nail unit and its surrounding tissues for the treatment of various nail unit conditions. The systems include non-temperature dependent phase change compositions that may be formulated as solutions, solids, semisolids, microparticles, or crystals. | 10-30-2014 |
20140322294 | BIODEGRADABLE COATINGS FOR IMPLANTABLE MEDICAL DEVICES - Biodegradable coatings for implantable medical devices are disclosed. | 10-30-2014 |
20140335146 | GROWTH FACTOR ANCHORING TYPE BONE GRAFT MATERIAL, METHOD FOR PRODUCING GROWTH FACTOR ANCHORING TYPE BONE GRAFT MATERIAL, KIT FOR PRODUCING GROWTH FACTOR ANCHORING TYPE BONE GRAFT MATERIAL, AND METHOD FOR FORMING BONE - Provided is a growth factor anchoring type bone graft material, wherein a bone graft substrate exposing at least a collagen fiber is bound to a collagen-binding-site-containing growth factor which contains a growth factor receptor agonist peptide and a collagen-binding peptide. The same can be produced by mixing a bone graft substrate and a collagen-binding-site-containing growth factor which contains a growth factor receptor agonist peptide and a collagen-binding peptide, and is also superior in osteogenic ability. | 11-13-2014 |
20140335147 | REGENERATION AID FOR BONE DEFECTS - The invention relates to a molded part for supporting bone regeneration, in particular the regeneration of a jawbone or jawbone section in a mammal, preferably a human, wherein the molded part is suitable for applying to the jawbone and has a coating having a composition comprising at least one collagen, a granular material, and hyaluronic acid or a hyaluronic acid derivative. The invention further relates to a granular material that can be used in the coating, to a method for producing the granular material, and to the use of the molded part. | 11-13-2014 |
20140341965 | Compositions and Methods Comprising Biodegradable Scaffolds and Retinal Pigment Epithelial Cells - The invention relates to compositions comprising a monolayer of functional retinal pigment epithelial (RPE) cells attached to a transplantable, biodegradable scaffold. The invention also relates to methods of using these compositions. | 11-20-2014 |
20140341966 | STEROID-CONTAINING SUSTAINED RELEASE INTRAOCULAR IMPLANTS AND RELATED METHODS - Biocompatible intraocular implant systems are formulated for discontinuous or intermittent release of therapeutic levels of a therapeutic agent (such as a steroid) to minimize development of side effects associated with continuous or long term use of such agent. The implant system may comprise one or more implant, and preferably, although not necessarily, also contains an auxiliary agent having an activity effective to lessen at least one side effect associated with said therapeutic agent compared to the use of an otherwise identical implant system lacking said auxiliary agent. The implants containing the therapeutic agent and auxiliary agent may be placed in an eye to treat one or more ocular conditions while reducing the ocular side effects otherwise accompanying the use of such therapeutic agent. | 11-20-2014 |
20140356410 | BIODEGRADABLE AND BIOCOMPATIBLE NANO COMPOSITE T-PLATE IMPLANT AND A METHOD OF SYNTHESIZING THE SAME - The embodiments herein provide a biodegradable and biocompatible T-plate nano-composite implant with stem cells for treating and repairing broken bones, damaged tissues and torn ligaments. The implant comprises a polymeric matrix part comprising poly lactic glycolic acids (PLGA), a bioceramic part comprising hydroxyapatite (HAp) nanoparticles and an endometrial stem cell. The PLGA and HAp nanoparticles act as a matrix and reinforcing agents respectively. A method is provided for synthesizing the T-plate implant. The method comprises synthesizing hydroxyapatite (HAp) nanoparticles, poly lactic glycolic acids (PLGA) and HAp nano composite implant. The casting of the poly lactic glycolic acids (PLGA) and HAp nano composite are done in a mold to obtain a T-plate nano composite. An endometrial stem cell from an epithelial cell lining from uterus is isolated and cultured. The endometrial stem cells are implanted on the nano-composite implant. | 12-04-2014 |
20140363482 | Bioerodible Sustained Release Drug Delivery Systems - The present invention relates to sustained release drug delivery systems, medical devices incorporating said systems, and methods of use and manufacture thereof. The inventive systems feature bioerodible drug delivery devices that include biocompatible solid and biocompatible fluid compositions to achieve desired sustained release drug delivery. | 12-11-2014 |
20140370073 | BIOLOGICALLY DEGRADABLE COMPOSITIONS FOR MEDICAL APPLICATIONS - A medical article is disclosed, comprising a biologically degradable AB block copolymer and a biologically degradable polymer that is capable, at equilibrium and at room temperature, of absorbing less than about 5 mass % water. | 12-18-2014 |
20150010611 | Matrix for the Infiltration with Cells - A cell implant matrix has a connective porosity of more than 80% and consists mainly of a mixture of bioresorbable polymers, wherein the matrix has disk-shape and wherein a surface layer on one side of the disk has less than 20% of the average pore density of the other sides. | 01-08-2015 |
20150024026 | Scaffolds For Cell Transplantation - A device that includes a scaffold composition and a bioactive composition with the bioactive composition being incorporated into or coated onto the scaffold composition such that the scaffold composition and/or a bioactive composition controls egress of a resident cell or progeny thereof. The devices mediate active recruitment, modification, and release of host cells from the material. | 01-22-2015 |
20150024027 | BIOSWELLABLE SUTURES - Bioswellable sutures are provided in the form of absorbable, compliant monofilaments of an amphiphilic copolyester, an absorbable multifilament braid, a non-absorbable monofilament with swellable outer layer, a non-absorbable multifilament braid with an absorbable monofilament core of an amphiphilic copolymer, and a non-absorbable, multifilament braid molecularly integrated with an outer sheath that is highly hydrophilic. | 01-22-2015 |
20150030658 | GENERATION OF PHOTORECEPTORS FROM HUMAN RETINAL PROGENITOR CELLS USING POLYCAPROLACTONE SUBSTRATES - The present invention relates to biocompatible compositions for transplantation into a sub-retinal space of the human eye. The compositions include a biodegradable polyester film, preferably a polycaprolactone (PCL) film, and a layer of human retinal progenitor cells. The compositions of the invention can be used as scaffolds for the treatment a number of ocular diseases, including retinitis pigmentosa and age-related macular degeneration. | 01-29-2015 |
20150030659 | Methods And Compositions For The Treatment Of Open And Closed Wound Spinal Cord Injuries - Devices and methods for the treatment of open and closed wound spinal cord injuries are disclosed. For example, described herein are devices and methods for mitigating secondary injury to, and promoting recovery of, spinal cord primary injuries. More particularly, certain embodiments of the present invention are directed to polymeric mini-tubes that may be used for the treatment of spinal cord injuries. In addition, other embodiments are directed to polymeric “fill-in” bandages that may be used for the treatment of spinal cord injuries. For example, an erodible, or biodegradable, form of biocompatible polymer of the present invention is fabricated for surgical implantation into the site of the spinal cord injury. | 01-29-2015 |
20150030660 | BONE REGENERATION USING BIODEGRADABLE POLYMERIC NANOCOMPOSITE MATERIALS AND APPLICATIONS OF THE SAME - A structure of, and a method of producing, a biocompatible structure for bone and tissue regeneration are disclosed. The method includes dissolving a polyurethane polymer in methanol, adding hydroxyapatite (HAP) nanoparticles to form a uniformly distributed mixture, applying the mixture to a polytetrafluoroethylene (PTFE) surface to form a polymer film, cutting the polymer film into strips, stacking the strips with layers of bone particles disposed therebetween, coating the stacked strips and layers by the mixture and allowing it to dry, adding bone particles to the coating, and plasma treating the structure to form the biocompatible structure. A weight percentage of the HAP nanoparticles to the polymer is about 5-50% such that a resorption rate of the biocompatible structure substantially matches a rate of tissue generation in the biocompatible structure. | 01-29-2015 |
20150050326 | METHOD FOR THE REALIZATION OF A BIOCOMPATIBLE BONE IMPLANT COMPRISING GRANULAR ELEMENTS AND A BIOREABSORBABLE BIOPOLYMER GEL AND BIOCOMPATIBLE BONE IMPLANT THUS OBTAINED - Method for providing a biocompatible bone implant adapted to fill a bone cavity or lacuna including the steps of providing granular elements in form of granules and/or granule aggregates, providing at least one primary polymeric solution including a biopolymer, at least partly coating the granular elements with the primary polymeric solution, obtaining coated granular elements including a biopolymer coating, providing a cross-linking solution, dipping the coated granular elements in the cross-linking solution, waiting a period of time referred to as “jellification time” of between 30 seconds and 1 hour, in which during said waiting step there occurs the cross-linking of the biopolymer coating of the granular elements with the cross-linking solution and the jellification of the coating, with the aim of obtaining a cohesive biocompatible implant including granular elements and a bio-reabsorbable biopolymer gel; biocompatible bone implant obtained through such method. | 02-19-2015 |
20150064229 | BIOACTIVE POROUS BONE GRAFT IMPLANTS - Bioactive porous bone graft implants in various forms suitable for bone tissue regeneration and/or repair, as well as methods of use, are provided. The implants are formed of bioactive glass and have an engineered porosity. The implants may take the form of a putty, foam, fibrous cluster, fibrous matrix, granular matrix, or combinations thereof and allow for enhanced clinical results as well as ease of handling. | 03-05-2015 |
20150079148 | Thixotropic Processing of Magnesium Composites with a Nanoparticles-Haloed Grain Structure for Biomedical Implant Applications - In described embodiments, the present invention includes a magnesium-based composite material formed from a plurality of α-phase magnesium grains; and a β-alloy phase comprising magnesium and nano-diamond and/or and phosphate containing nanoparticles, the β-alloy phase surrounding each of the plurality of magnesium grains. A method of manufacturing a composite material is also disclosed. | 03-19-2015 |
20150086604 | Mesh Pouches for Implantable Medical Devices - Biodegradable polymer-coated surgical meshes formed into pouches are described for use with cardiac rhythm management devices (CRMs) and other implantable medical devices. Such meshes are formed into a receptacle, e.g., a pouch or other covering, capable of encasing, surrounding and/or holding the cardiac rhythm management device or other implantable medical device for the purpose of securing it in position, inhibiting or reducing bacterial growth, providing pain relief and/or inhibiting scarring or fibrosis on or around the CRM or other implantable medical device. Preferred embodiments include surgical mesh pouches coated with one or more biodegradable polymers that can act as a stiffening agent by coating the filaments or fibers of the mesh to temporarily immobilize the contact points of those filaments or fibers and/or by increasing the stiffness of the mesh by at least 1.1 times its original stiffness. The pouches of the invention can also provide relief from various post-operative complications associated with their implantation, insertion or surgical use, and, optionally, include one or more drugs in the polymer matrix of the coating to provide prophylactic effects and/or alleviate side effects or complications associated with the surgery or implantation of the CRM or other implantable medical device. | 03-26-2015 |
20150086605 | MULTI-LAYER BIOMATERIAL FOR TISSUE REGENERATION AND WOUND HEALING - The technology described herein is directed to compositions comprising at least a first porous biomaterial layer and a second impermeable biomaterial layer and methods relating thereto. In some embodiments, the compositions and methods described herein relate to wound healing, e.g. repair of wounds and/or tissue defects. | 03-26-2015 |
20150086606 | BIORESORBABLE AND BIOACTIVE THREE-DIMENSIONAL POROUS MATERIAL AND METHOD FOR THE PRODUCTION THEREOF - A bioresorbable and bioactive three-dimensional porous material made from bioresorbable polymers that can be combined with bioactive ceramics, producing a three-dimensional structure of interlinked pores containing additives capable of allowing the regeneration and formation of tissues, and a method for the production thereof is described. | 03-26-2015 |
20150086607 | FIBER SCAFFOLDS FOR USE CREATING IMPLANTABLE STRUCTURES - A synthetic construct suitable for implantation into a biological organism that includes at least one polymer scaffold; wherein the at least one polymer scaffold includes at least one layer of polymer fibers that have been deposited by electrospinning; wherein the orientation of the fibers in the at least one polymer scaffold relative to one another is generally parallel, random, or both; and wherein the at least one polymer scaffold has been adapted to function as at least one of a substantially two-dimensional implantable structure and a substantially three-dimensional implantable tubular structure. | 03-26-2015 |
20150104490 | Growth-inhibited hydroxyapatite, process for its preparation and use - A growth-inhibited hydroxyapatite is contained in agglomerates of prestructured collagen templates, wherein the prestructured collagen templates are denatured or broken up so that fibrillogenesis of the prestructured collagen templates is inhibited. Epitactic hydroxyapatite crystallites with a crystallite size below a critical nucleus radius are formed on the prestructured collagen templates. | 04-16-2015 |
20150125508 | Bioactive Grafts and Composites - Disclosed are various bioactive grafts and/or biocompatible materials and methods of making the same. In one embodiment, bone material is harvested from a donor. The harvested bone material is exposed to a lysing agent, the lysing agent configured to release growth factors and bioactive materials from cellular material of the harvested bone material. The harvested bone material is then rinsed with a rinsing agent. The pH of the harvested bone material is substantially neutralized. In another embodiment, an orthopedic implant includes an antibacterial polysaccharide. The implant may also include an osteostimulative agent. | 05-07-2015 |
20150147379 | MEDICAL DEVICES AND METHODS OF MANUFACTURE THEREOF - The embodiments relate generally to medical devices and to methods of their manufacture. One aspect provides devices including chitosan fibers that are a free of chemical cross linking. Another aspect provides a method of manufacturing such devices. | 05-28-2015 |
20150297799 | Methods And Compositions For The Treatment Of Open And Closed Wound Spinal Cord Injuries - Devices and methods for the treatment of open and closed wound spinal cord injuries are disclosed. For example, described herein are devices and methods for mitigating secondary injury to, and promoting recovery of, spinal cord primary injuries. More particularly, certain embodiments of the present invention are directed to polymeric mini-tubes that may be used for the treatment of spinal cord injuries. In addition, other embodiments are directed to polymeric “fill-in” bandages that may be used for the treatment of spinal cord injuries. For example, an erodible, or biodegradable, form of biocompatible polymer of the present invention is fabricated for surgical implantation into the site of the spinal cord injury. | 10-22-2015 |
20150297805 | CLONIDINE COMPOUNDS IN A BIODEGRADABLE FIBER - Effective treatments of pain for extended periods of time are provided. Through the administration of an effective amount of clonidine in a fiber at or near a target site, one can relieve pain caused by diverse sources, including but not limited to spinal disc herniation (i.e. sciatica), spondilothesis, stenosis, discogenic back pain and joint pain, as well as pain that is incidental to surgery. When appropriate fiber formulations are provided within biodegradable polymers, this pain relief can be continued for at least three days. | 10-22-2015 |
20150306275 | COMPOSITIONS FOR TREATING BONE DEFECTS - In certain described embodiments, implantable medical materials comprise a scaffolding material, a liquid organic binder, and entrapped calcium-containing particles. The medical materials can incorporate an osteoinductive factor such as a protein. The scaffolding material can bind the factor. In additional described embodiments, implantable medical materials include an osteoconductive scaffolding material, an incorporated osteoinductive factor, and a biodegradable barrier material effective to delay release of the factor from the scaffolding material. The scaffolding material can bind the factor. Also described a methods for preparing and implanting the described medical materials. | 10-29-2015 |
20150328375 | Phosphoryl Choline Coating Compositions - A polymer comprising phospholipid moieties and a biocompatible polymer backbone, a composition comprising the polymer and optionally a bioactive agent, an implantable devices such as a DES comprising thereon a coating comprising the polymer and optionally a bioactive agent, and a method of using the device for the treatment of a disorder in a human being are provided. | 11-19-2015 |
20150335432 | BIOCOMPATIBLE CONTAINMENT MEMBER FOR BONE AUGMENTATION SURGERY MADE OF PROCESSED NATURAL MEMBRANE FROM AN ANIMAL DONOR - A surgically implantable containment member for maintaining a bone augmentation material in a desired location and/or configuration following implantation in a human or other mammalian patient, in which the containment member is made of a natural membrane, such as pericardium, isolated from an animal donor and processed to avoid inflammation or tissue rejection, and a method of bone augmentation using such a containment member. In a particularly preferred embodiment, the containment member has a window which rapidly dissipates upon exposure to bodily fluids after implantation to expose bone augmentation material contained within the containment member to an adjacent bone to be augmented. | 11-26-2015 |
20150335790 | COMPOSITIONS AND METHODS FOR TEMPLATING THREE-DIMENSIONAL MINERALIZATION - The invention provides novel compositions and methods for three-dimensional mineralization templated by synthetic scaffolds having zwitterionic mediators. The invention enables 3-D mineralization nucleation and growth of minerals in a well-controlled and defined manner. The composite materials prepared by the disclosed methods are cytocompatible and/or biodegradable and are suitable for use as medical implants in a variety of applications in skeletal tissue repair and regeneration. For example, cytocompatible zwitterionic sulfobetaine ligands are employed to facilitate 3-D mineralization of HA across covalently crosslinked hydrogels. The overall charge-neutral zwitterionic hydrogel effectively recruited oppositely charged precursor ions while overcame excessive swelling exhibited by anionic and cationic hydrogels under physiological conditions, resulting in denser and structurally well-integrated mineralized composite materials. | 11-26-2015 |
20150335793 | Medical Implants and Methods for Regulating the Tissue Response to Vascular Closure Devices - Devices and methods for reducing, eliminating, preventing, suppressing, or treating tissue responses to hemostatic devices e.g., biological sealants or vascular procedures are disclosed. The invention employs a combination of resorbable, biocompatible matrix materials and a variety of therapeutic agents, such as antiproliferatives or antibiotics, applied to a vascular puncture or incision to achieve hemostasis following diagnostic or interventional vascular catheterizations and to treat neointimal hyperplasia and stenosis. A matrix of a material such as collagen provides a reservoir of a therapeutic agent such as rapamycin (sirolimus) and its derivatives and analogs for delivery at a tissue site at risk for vasculoproliferation, infection, inflammation, fibrosis or other tissue responses. | 11-26-2015 |
20150352247 | COMPOSITIONS AND METHODS FOR REGENERATION OF HARD TISSUES - Bone graft compositions including bioactive glass scaffold and characterized in that the bioactive glass scaffold has a high compressive strength, is osteoconductive and osteostimulative and resorbs at a rate consistent with the formation of new bone are described. Also, methods of using the bone grafts for regeneration of hard tissues and, especially, for treating or correcting developmental dysplasia of the hip are provided. | 12-10-2015 |
20150352248 | RESORBABLE CERAMICS WITH CONTROLLED STRENGTH LOSS RATES - Particular aspects of the present disclosure provide bio-resorbable and biocompatible compositions for bioengineering, restoring, or regenerating tissue or bone. In one embodiment, a biocompatible composition includes a three-dimensional porous or non-porous scaffold material comprising a calcium phosphate-based ceramic having at least one dopant therein selected from metal ion dopants or metal oxide dopants. The composition is sufficiently biocompatible to provide for a cell or tissue scaffold, and resorbable at a controlled resorption rate for controlled strength loss under body, body fluid or simulated body fluid conditions. | 12-10-2015 |
20150352254 | Extracellular Matrix Prostheses for Treating Damaged Biological Tissue - Particulate structures comprising a particulate extracellular matrix (ECM) component encased in a biomaterial composition, which, when administered to damaged cardiovascular tissue, induce modulated healing. | 12-10-2015 |
20150352257 | DECELLULARIZED BIOMATERIAL FROM NON-MAMMALIAN TISSUE - The growth factor profile, connective tissue matrix constituents, and immunoprivileged status of urodele extracellular matrix (ECM) and accompanying cutaneous tissue, plus the presence of antimicrobial peptides there, render urodele-derived tissue an ideal source for biological scaffolds for xenotransplantation. In particular, a biological scaffold biomaterial can be obtained by a process that entails (A) obtaining a tissue sample from a urodele, where the tissue comprises ECM, inclusive of the basement membrane, and (B) subjecting the tissue sample to a decellularization process that maintains the structural and functional integrity of the extracellular matrix, by virtue of retaining its fibrous and non-fibrous proteins, glycoaminoglycans (GAGs) and proteoglycans, while removing sufficient cellular components of the sample to reduce or eliminate antigenicity and immunogenicity for xenograft purposes. The resultant urodele-derived biomaterial can be used to enhance restoration of skin homeostasis, to reduce the severity, duration and associated damage caused by post-surgical inflammation, and to promote progression of natural healing and regeneration processes. In addition, the biomaterial promotes the formation of remodeled tissue that is comparable in quality, function, and compliance to undamaged human tissue. | 12-10-2015 |
20150352258 | Production of Moldable Bone Substitute - Composites and methods of producing a mouldable bone substitute are described. A scaffold for bone growth comprises nanocrystalline hydroxyapatite (HA), a bioresorbable plasticizer, and a biodegradable polymer. Plasticizers of the invention include oleic acid, tocopherol, eugenol, 1,2,3-triacetoxypropane, monoolein, and octyl-beta-D-glucopyranoside. Polymers of the invention include poly(caprolactone), poly(D,L-Lactic acid), and poly(glycolide-co lactide). Methods of regulating porosity, hardening speed, and shapeability are also described. Composites and methods are described using nanocrystalline HA produced with and without amino acids. The scaffold for bone growth described herein displays increased strength and shapeability. | 12-10-2015 |
20150359932 | Extracellular Matrix Constructs for Treating Damaged Biological Tissue - Extracellular matrix (ECM) constructs having a biodegradable support scaffold and an anchoring mechanism, which includes a plurality of biodegradable microneedles that are capable of piercing tissue and anchoring therein. In a preferred embodiment, the support scaffold and anchoring mechanism comprise an ECM material. In some embodiments, the microneedles are also capable of administering a biologically active agent and/or a pharmacological composition to the engaged tissue. | 12-17-2015 |
20160000965 | CHEMICAL GRADIENTS - In one aspect, apparatuses for providing chemical gradients are described herein. In some embodiments, an apparatus described herein comprises a conduit having a first end and a second end, one or more microchannels disposed in the conduit and extending from the first end toward the second end, and a fiber coiled around the exterior of at least one microchannel, wherein the fiber comprises an active agent that is operable to diffuse into the interior of the microchannel. | 01-07-2016 |
20160000973 | REPORTER SCAFFOLDS - The invention provides for the development of reporter scaffolds comprising sustained release reporter molecules and methods of using these scaffolds to administer therapeutic agent and/or monitor the effect of the transplant on the surrounding tissue or monitoring the status or condition of transplanted cells over time after the scaffold is in place. | 01-07-2016 |
20160000974 | Composite Matrix for Bone Repair Applications - Composite fibrous and non-fibrous matrices of biocompatible, bioactive synthetic polymers and ceramics are described. The composite matrices support bone cell differentiation and may be used alone or with whole bone marrow, isolated mesenchymal stem cells and/or bone grafts for bone repair and bone regeneration. | 01-07-2016 |
20160002628 | METHODS AND COMPOSITIONS FOR MANAGING VASCULAR CONDITIONS - This disclosure relates to methods and compositions for managing vascular conditions by targeting microRNA. In certain embodiments, the disclosure relates to antisense, RNA interference, and blocking oligonucleotide therapeutic compositions and uses related thereto. | 01-07-2016 |
20160008519 | RESORBABLE MEMBRANE FOR GUIDED BONE REGENERATION | 01-14-2016 |
20160015866 | Anti-Adhesive Barrier Membrane Using Alginate and Hyaluronic Acid for Biomedical Applications - A non-synthetic, hydrophilic, biodegradable, biocompatible polysaccharide based non-toxic anti-adhesion hydrogel barrier is disclosed herein. The barrier of the present invention is formed by constructing a unique interpenetrating, crosslinked network with a unique porosity. Furthermore, the barrier of the present invention is comprised of tunable biopolymers for controllable mechanical robustness and degradation. The barrier of the present invention effectively reduces unwanted adhesions using non-synthetic components. | 01-21-2016 |
20160022880 | HEMOSTATIC COMPOSITIONS AND METHODS OF MAKING AND USING SAME - The disclosure pertains to hemostatic compositions comprising a plurality of nonwoven fibers disposed in a rapidly soluble solid matrix and methods of making and using the same. The compositions may also comprise one or more therapeutic agents. | 01-28-2016 |
20160038630 | MALLEABLE, BIODEGRADABLE HEMOSTATIC AGENT - A malleable, biodegradable hemostatic agent is provided that can be used for mechanical sealing of bleeding bone tissue, as well as a method for forming a malleable, biodegradable hemostatic agent of this type, and a medical implant having a coating that includes a malleable, biodegradable hemostatic agent of this type. The malleable, biodegradable hemostatic agent contains (a) at least one saturated glycerol-1,2,3-tri-fatty acid ester having a melting temperature above 37° C., (b) at least one filling agent present in particulate form, at least in part, and having a melting temperature above 37° C., and (c) at least one compound having a melting temperature not above 37° C. and a solubility at a temperature of 25° C. of less than 50 grams per liter of water. | 02-11-2016 |
20160038646 | COMPOSITIONS AND METHODS FOR ENHANCING HEALING AND REGENERATION OF BONE AND SOFT TISSUE - The invention features biodegradable materials, and in vitro and in vivo methods of using such compositions to promote bone and soft tissue growth and healing. | 02-11-2016 |
20160038653 | IN-VIVO BIODEGRADABLE MEDICAL IMPLANT COMPRISING A MICROSTRUCTURE ENGINEERED METALLIC MATERIAL - In-vivo biodegradable medical implants, containing at least in part at least partially fine-grained metallic materials provide a strong, tough, stiff and lightweight implant. The in-vivo biodegradable implants are used in a number of stent applications, for fracture fixation, sutures and the like. The in-vivo biodegradable medical implants enable the reduction of implant size and weight and consequently result in reducing the release of implant degradation products into the body. | 02-11-2016 |
20160045606 | PARTIALLY-DENATURED PROTEIN HYDROGELS - Provided herein are partially-denatured protein (e.g., albumin) hydrogels and methods of manufacture (e.g., pH induction) and use (e.g., drug delivery) thereof. | 02-18-2016 |
20160058908 | METHOD FOR PRODUCING LAMINATE OF SHEET-SHAPED CELL CULTURE AND FIBRIN GEL - A laminate of a sheet-shaped cell culture is disclosed, which has excellent operability and is suitable for implantation. A method is disclosed for producing a laminate of a fibrin gel and a sheet-shaped cell culture, including a step of dripping a liquid containing fibrinogen onto an upper surface of a sheet-shaped cell culture, a step of spraying a liquid containing thrombin onto the surface, and a step of forming a fibrin gel layer on the surface by a reaction between fibrinogen and thrombin; and a laminate of a fibrin gel and a sheet-shaped cell culture produced by the method are disclosed. | 03-03-2016 |
20160067177 | PROCESS FOR MAKING CONTROLLED RELEASE MEDICAL IMPLANT PRODUCTS - A method (and the resulting product) of making a medical implant device for releasing self-contained drugs on a controlled basis wherein the method utilizes, at least in part, computer-controlled 3-D printing equipment to deposit via nozzles portions of one or more layers of the medical implant product. The implant has an outer impervious coating, an inner matrix core, an opening and an optional bonding layer. | 03-10-2016 |
20160067382 | Osteoinductive Calcium Phosphates - The invention relates to a porous osteoinductive calcium phosphate material having an average grain size in a range of 0.1-1.50 μm, having a porosity consisting essentially only of micropores in a size range of 0.1-1.50 μm, and having a surface area percentage of micropores in a range of 10-40%. | 03-10-2016 |
20160081797 | Progenitor endothelial cell capturing with a drug eluting implantable medical device - A medical device for implantation into vessels or luminal structures within the body is provided. The medical device, such as a stent and a synthetic graft, is coated with a pharmaceutical composition consisting of a controlled-release matrix and one or more pharmaceutical substances for direct delivery of drugs to surrounding tissues. The coating on the medical device further comprises a ligand such as an antibody or a small molecule for capturing progenitor endothelial cells in the blood contacting surface of the device for restoring an endothelium at the site of injury. In particular, the drug-coated stents are for use, for example, in balloon angioplasty procedures for preventing or inhibiting restenosis. | 03-24-2016 |
20160095958 | BONE REGENERATION USING STROMAL VASCULAR FRACTION, PLATELET-DERIVED GROWTH FACTOR-RICH HYDROGEL, THREE-DIMENSIONAL PRINTED POLY-EPSILON-CAPROLACTONE SCAFFOLDS - The presently disclosed subject matter focuses on recapitulating the heterotypic interactions needed to maximize the co-development of vasculature and bone. More particularly, the presently disclosed subject matter explores the potential of cellular aggregation and temporal presentation of factors to induce the cell-cell signaling events required to stimulate ASCs to self-organize into vascularized bone. Further, exogenous PDGF-BB synergizes complex tissue formation in ASC cultures by enhancing vascular stability and osteogenic differentiation. The presently disclosed approach provides a robust protocol to engineer vascularized bone with ASCs in vitro. | 04-07-2016 |
20160114076 | IMPLANT WITH CONTROLLED POROSITY MADE OF A HYBRID MATERIAL - The disclosure relates to an implant material for filling bone defects, for bone regeneration, and for bone tissue engineering, to an implant comprising this material, to a method for producing such an implant, and to a method for producing a hybrid material. The implant material comprises a hybrid material comprising: a bioactive glass M based on SiO | 04-28-2016 |
20160121031 | Antiadhesive Kit and Method of Adhesion Prevention - An adhesion preventive kit and a method of preventing adhesion are provided which have a preventive effect on adhesion in a surrounding part of an edge of an injured or deficient tissue in guided regeneration therapy for an injured tissue. Specifically, the adhesion preventive kit includes: (A) a first membrane of at least two layers having a biodegradable base layer and an adhesion preventive layer provided respectively at outermost surfaces thereof and a second membrane of at least one layer having an adhesion preventive layer provided at an outermost surface thereof; or (B) an adhesion preventive membrane including a biodegradable base layer and an adhesion preventive layer, which membrane has an outermost surface constituted of the adhesion preventive layer and has a tissue sandwiching part. | 05-05-2016 |
20160129157 | Implantable Devices for Bone or Joint Defects - In one aspect, the invention provides an implantable device comprising a uniform mixture of components including degradable polymer, inorganic bone particulate either natural or synthetic, a drug, and a soluble microporagen. In some embodiments, the uniform mixture further includes a soluble polymer macroporagen. In some embodiments, the uniform mixture is coated with an immobilized outer porous layer comprising or consisting of synthetic or natural inorganic bone granules. In further aspects, the invention provides an implantable device comprising a composite core of degradable polymer, bone, and a drug, and a coating comprising or consisting of microporous bone overlayer covering the degradable composite core. | 05-12-2016 |
20160129165 | MEDICAL DEVICES HAVING BIOERODABLE LAYERS FOR THE RELEASE OF THERAPEUTIC AGENTS - According to an aspect of the present invention, medical devices are provided which comprise: (a) a substrate and (b) bioerodable polymeric layer over the substrate that contains (i) one or more biodegradable polymers (ii) one or more therapeutic agents, and (iii) one or more plasticizers. | 05-12-2016 |
20160136325 | MOLDABLE BONE GRAFT COMPOSITIONS - The present disclosure relates to compositions useful in synthetic bone graft applications. Particularly, the disclosure teaches moldable bone graft compositions, methods of making said compositions, and methods of utilizing the same. | 05-19-2016 |
20160136326 | COMPOSITIONS AND METHODS FOR MAKING BIODEGRADABLE STRUCTURES - A composition including PPF or a PPF copolymer that can be used to fabricate biodegradable structures. The composition can be used in 3-D patterning (e.g., 3-D printing and sterolighography) methods. For example, 3-D patternable compositions include PPF or a PPF copolymer, a photoinitiator or photoinitiators, and a resolution control inhibitor or inhibitors. The compositions can be used to make biodegradable structures (such as cardivascular scaffolds). The biodegradable structures can be surface functionalized. The biodegradable structures can be used in methods of blood delivery in an individual. | 05-19-2016 |
20160144071 | BIOMIMETIC COLLAGEN-HYDROXYAPATITE COMPOSITE MATERIAL - The invention relates to: a biomimetic collagen-hydroxyapatite composite material comprising an at least partially fibrous collagen scaffold including mature native collagen fibers possessing triple helicity as shown by Circular Dichroism Spectroscopy, wherein those mature native collagen fibers are at least partially covered with epitactically grown crystals of nanocrystalline hydroxyapatite, whereby the epitactically grown nanocrystals have the same morphology as human bone mineral and the same size as human bone mineral, i.e. a length of 30 to 50 nm and a width of 14 to 25 nm, a process of preparing the above biomimetic collagen-hydroxyapatite composite material comprising the steps of a) immersing an at least partially fibrous collagen scaffold including the above mature native collagen fibers in a saturated aqueous solution of saturated Ca | 05-26-2016 |
20160144072 | Mesh Fiber Members and Methods for Forming and Using Same for Treating Damaged Biological Tissue - A mesh fiber member having a plurality of biodegradable fibers, the mesh fiber member being configured to induce modulated healing of damaged biological tissue when deployed proximate thereto. The strands comprise an extracellular matrix (ECM) composition or an ECM-mimicking biomaterial composition, such as poly(glycerol sebacate) (PGS), and can include a biodegradable ECM, polymeric or ECM-mimicking biomaterial composition coating. | 05-26-2016 |
20160151545 | mTOR INHIBITOR ELUTING MEDICAL DEVICE | 06-02-2016 |
20160158420 | COATINGS FORMED FROM STIMULUS-SENSITIVE MATERIAL - A coating comprising a stimulus-responsive material and a bioactive agent for controlled release of the bioactive agent and methods of making and using the same are disclosed. | 06-09-2016 |
20160175491 | Local Drug Delivery Devices and Methods for Treating Cancer | 06-23-2016 |
20160250385 | NEURONAL REPLACEMENT AND REESTABLISHMENT OF AXONAL CONNECTIONS | 09-01-2016 |
20160375173 | PULVERULENT SEMISYNTHETIC MATERIAL OBTAINED BY MODIFYING THE COMPOSITION OF A NATURAL MARINE BIOMATERIAL, METHOD OF MANUFACTURE THEREOF, AND APPLICATIONS THEREOF - A pulverulent semisynthetic material, derived from a natural marine biomaterial, namely the aragonitic inner layer of the shell of bivalve molluscs selected from the group including Pinctadines, notably | 12-29-2016 |
20170232139 | JOINING AND/OR SEALING TISSUES THROUGH PHOTO-ACTIVATED CROSS-LINKING OF MATRIX PROTEINS | 08-17-2017 |
20180021441 | HYPERBRANCHED POLYMERS AND POLYPLEXES AND DNA OR RNA DELIVERY SYSTEMS INCLUDING THE SAME | 01-25-2018 |
20180021485 | METHOD FOR MANUFACTURING DRUG-CONTAINING BIODEGRADABLE FIBER MATERIAL BY ELECTROSPINNING | 01-25-2018 |