Patent application number | Description | Published |
20080275449 | EXPANDABLE PROXIMAL REAMER - A reamer for reaming a portion of a long bone cavity for use in implanting a joint prosthesis. The reamer is used in cooperation with a portion of an orthopaedic implant component and includes an expandable body that is adapted to adjust between a plurality of diameters. A plurality of cutting edges are also included and extend outwardly from the body, the edges adapted for cooperation with bone, and the cutting edges expanding as the expandable body expands. | 11-06-2008 |
20090112218 | MODULAR TAPER ASSEMBLY DEVICE - An assembly tool for assembly of a first component of a prosthesis to a second component of the prosthesis for use in joint arthroplasty. The tool includes a housing defining a housing longitudinal axis thereof. An internal component is also provided and is connected to the second component and includes an actuating device and an actuator rod defining a second longitudinal axis that is coexistent with the housing longitudinal axis. The internal component is adapted to provide relative motion of the internal component with respect to the housing when the actuating device is moved relative to the housing in at least a direction transverse to the housing longitudinal axis and the actuator rod of the internal component is moved relative to the housing in a direction parallel to the housing longitudinal axis. The motion of the internal component is utilized to effect the motion of the first component with respect to the second component. | 04-30-2009 |
20090192626 | Constraining ring inserter - A hand held instrument is provided in one embodiment in a kit for use in positioning a constraining ring of an acetabular liner system and includes a shaft including a first coupling member, and a plurality of heads, each of the plurality of heads including (i) a base configured to couple with the first coupling member and (ii) a pair of resilient gripper arms, each of the pair of resilient gripper arms defining a constraining ring reception area having a size different from the constraining ring reception area defined by the pair of gripper arms of each of the other of the plurality of heads. | 07-30-2009 |
20100082031 | MINIMALLY INVASIVE BONE MILLER APPARATUS - A miller assembly for creating a cavity in a bone. The cavity has a cross section which has a generally triangular profile having a first side generally parallel with an axis of the bone and a second side forming an acute angle with the first side, and is contiguous with a pre-existing conical cavity in the bone. The miller assembly includes a cutter and a frame for carrying the cutter. The frame includes a connection portion having a longitudinal axis and a cutter mount for mounting the cutter at a first angle approximating the acute angle with respect to the longitudinal axis of the connection portion. The cutter mount extends at the first angle from the longitudinal axis of the connection portion and is configured to receive a portion of the cutter and maintain the received cutter oriented at the first angle during rotation. The frame further includes a handle configured to form a portion of a drive joint for coupling the frame to a drill, the handle having a longitudinal axis. The longitudinal axis of the handle is coincident with the longitudinal axis of the frame. | 04-01-2010 |
20110106270 | MODULAR TRIAL MECHANISM - A prosthetic trial for a joint prosthesis includes a stem having a proximal section and a distal section for implantation in a bone. A body includes a channel receiving at least the proximal section of the stem. A locking mechanism is at least partially disposed within the body. The locking mechanism is biased into a locking position in which the mechanism locks the stem within the first channel of the body. The locking mechanism is accessible outside said body to be pulled into a releasing position to unlock the stem from the body. | 05-05-2011 |
20110172670 | EXPANDABLE PROXIMAL REAMER - A reamer for reaming a portion of a long bone cavity for use in implanting a joint prosthesis. The reamer is used in cooperation with a portion of an orthopaedic implant component and includes an expandable body that is adapted to adjust between a plurality of diameters. A plurality of cutting edges are also included and extend outwardly from the body, the edges adapted for cooperation with bone, and the cutting edges expanding as the expandable body expands. | 07-14-2011 |
20120226281 | MINIMALLY INVASIVE BONE MILLER APPARATUS - A method of milling a calcar region of the femur. The method includes using a miller assembly including a cutter and a frame. The frame has a longitudinal axis and a cutter mount for mounting the cutter at a first angle with respect to the longitudinal axis of the frame. The cutter mount extends at the first angle from the longitudinal axis of the frame and receives a portion of the cutter and maintain the received cutter oriented at the first angle during rotation. The frame includes a handle that forms a portion of a drive joint for coupling the frame to a drill. The handle is coupled to the drill and the miller assembly is inserted into the femur such that the cutter is located in the calcar region. The drill is then operated, causing the cutter to rotate and mill bone in the calcar region. | 09-06-2012 |
20120259338 | DISTAL REAMER FOR USE DURING AN ORTHOPAEDIC SURGICAL PROCEDURE TO IMPLANT A REVISION HIP PROSTHESIS - A modular femoral prosthesis for use during performance of a hip revision procedure includes a proximal body component, a distal stem component, and a locking bolt. Surgical instruments and methods for use in implanting such a modular femoral prosthesis are disclosed. | 10-11-2012 |
20120259341 | FINISHING RASP AND ORTHOPAEDIC SURGICAL PROCEDURE FOR USING THE SAME TO IMPLANT A REVISION HIP PROSTHESIS - A modular femoral prosthesis for use during performance of a hip revision procedure includes a proximal body component, a distal stem component, and a locking bolt. Surgical instruments and methods for use in implanting such a modular femoral prosthesis are disclosed. | 10-11-2012 |
20120259420 | PROXIMAL TRIAL INSTRUMENT FOR USE DURING AN ORTHOPAEDIC SURGICAL PROCEDURE TO IMPLANT A REVISION HIP PROSTHESIS - A modular femoral prosthesis for use during performance of a hip revision procedure includes a proximal body component, a distal stem component, and a locking bolt. Surgical instruments and methods for use in implanting such a modular femoral prosthesis are disclosed. | 10-11-2012 |
20120259423 | ORTHOPAEDIC SURGICAL PROCEDURE FOR IMPLANTING A REVISION HIP PROSTHESIS - A modular femoral prosthesis for use during performance of a hip revision procedure includes a proximal body component, a distal stem component, and a locking bolt. Surgical instruments and methods for use in implanting such a modular femoral prosthesis are disclosed. | 10-11-2012 |
20130226184 | PROXIMAL REAMER - A method for providing joint arthroplasty includes resecting an end portion of a long bone, preparing a central longitudinal opening in a medullary canal of the long bone, providing a prosthetic stem component, installing the prosthetic stem component into the opening in a medullary canal, providing a reamer including an opening for receiving the prosthetic stem component, positioning the reamer onto the prosthetic stem component with the opening of the reamer positioned at least partially over the prosthetic stem component, reaming a portion of the long bone with the reamer, removing the reamer, and installing a prosthetic body component onto the prosthetic stem component. | 08-29-2013 |
20130289567 | PROXIMAL REAMER - A kit includes an orthopaedic implant stem, and a reamer assembly for reaming a proximal portion of a cavity, said reamer assembly cooperating with a proximal portion of the orthopaedic implant stem, said reamer assembly comprising, a sleeve defining an inner periphery, said sleeve configured to fit over the proximal portion of the orthopaedic implant stem, said sleeve defining an outer periphery, and a reamer including a body defining a cavity formed therein for receiving at least a portion of the outer periphery of said sleeve, a plurality of cutting edges extending outwardly from said body, said cutting edges adapted for cooperation with bone, and a stem extending from an end of the body, wherein the sleeve comprises a locking feature and the stem comprises a connection feature to removably secure the sleeve to the proximal portion of the orthopaedic implant stem when assembled together. | 10-31-2013 |
20130345766 | MODULAR TAPER ASSEMBLY DEVICE - A kit for use in joint arthroplasty that includes a first component of a prosthesis, a second component of the prosthesis, and an assembly tool for assembling the first component to the second component. The tool includes a housing for contact with the first component and an internal component connected to the second component. The internal component includes an actuating device and an actuator rod. The actuating device has at least one scissor arm. The housing and the internal component are adapted to provide for the assembly of the first component of the prosthesis to the second component of the prosthesis. The internal component is adapted to provide relative motion of the internal component with respect to the housing when the at least one scissor arm is moved relative to the housing, the relative motion of the internal component with respect to the housing being utilized to effect the relative motion of the first component with respect to the second component to urge the second component into engagement with the first component. | 12-26-2013 |
20140094810 | EXPANDABLE PROXIMAL REAMER - A kit for reaming a portion of a cavity for use in implanting a prosthesis. The kit includes a distal reamer for reaming a distal portion of the long bone and a proximal reamer for reaming a proximal portion of the long bone. The kit further includes a pilot shaft for insertion into a reamed distal portion and attachment to the proximal reamer during the reaming of the proximal portion. At least one of the distal reamer, proximal reamer, and pilot shaft is expandable, such that at least one of the distal reamer, proximal reamer, and pilot shaft includes a body having a plurality of slots, a plurality of cutting edges extending through the slots, and an actuator rod including a gear for engaging the plurality of cutting edges such that when the actuator rod is turned in one direction, the plurality of cutting edges expands outwardly through the slots. | 04-03-2014 |