Patent application number | Description | Published |
20110251672 | ASPECT RATIO FOR STENT STRUT DESIGN - An intravascular stent is provided to be implanted in coronary arteries and other body lumens. The stent includes stent struts that have a transverse cross-section that is substantially rectangular and an aspect ratio in the range of 0.9 to 1.0 to 1.4 to 1.0. This range of aspect ratios for the stent struts minimizes out of plane twisting of the struts or projecting edges of the struts when the stent is expanded from a compressed diameter to an expanded diameter in a coronary artery. | 10-13-2011 |
20120016458 | ENDOPROSTHESIS HAVING IMPROVED STRAIN DISTRIBUTION - An endoprosthesis for delivery in a body lumen can be configured to inhibit structural fatigue, crack formation, and elastic recoil while providing improved crimping and expansion uniformity and radial strength. As such, the endoprosthesis can include at least one multi-stage crest element connecting adjacent bar arms. The multi-stage crest element and, optionally, the connection or transition between the multi-stage crest element and the bar arms can form a plurality of undulations or curves to improve the distribution of the strains experienced by the endoprosthesis. The improved strain distribution can improve the structural integrity and prevent failure of the endoprosthesis. | 01-19-2012 |
20130123905 | OFFSET PEAK-TO-PEAK STENT PATTERN - The invention is directed to an expandable stent for implanting in a body lumen, such as a coronary artery, peripheral artery, or other body lumen. The invention provides for an intravascular stent having a plurality of cylindrical rings connected by links. The links between adjacent rings provide axial strength when subjected to longitudinal compressive forces. | 05-16-2013 |
20130226283 | OFFSET PEAK-TO-PEAK STENT PATTERN - The invention is directed to an expandable stent for implanting in a body lumen, such as a coronary artery, peripheral artery, or other body lumen. The invention provides for an intravascular stent having a plurality of cylindrical rings connected by links. The links between adjacent rings provide axial strength when subjected to longitudinal compressive forces. | 08-29-2013 |
20130304195 | ENDOPROSTHESIS HAVING IMPROVED STRAIN DISTRIBUTION - An endoprosthesis for delivery in a body lumen can be configured to inhibit structural fatigue, crack formation, and elastic recoil while providing improved crimping and expansion uniformity and radial strength. As such, the endoprosthesis can include at least one multi-stage crest element connecting adjacent bar arms. The multi-stage crest element and, optionally, the connection or transition between the multi-stage crest element and the bar arms can form a plurality of undulations or curves to improve the distribution of the strains experienced by the endoprosthesis. The improved strain distribution can improve the structural integrity and prevent failure of the endoprosthesis. | 11-14-2013 |
20140114399 | METHODS FOR VASCULAR RESTORATION THERAPY - A medical device includes a polymer scaffold crimped to a catheter having an expansion balloon. The scaffold has a structure that produces a low late lumen loss when implanted within a peripheral vessel and also exhibits a high axial fatigue life. In a preferred embodiment the scaffold forms ring structures interconnected by links, where a ring has 12 crowns and at most two links connecting adjacent rings. | 04-24-2014 |
20140200647 | STENT WITH ENHANCED PROFILE - A stent for implantation in a body lumen, comprising a plurality of rings, each ring being connected to an adjacent ring by at least one link, each ring including a plurality of peaks and valleys, wherein each peak is connected to an adjacent valley by a strut to provide an undulating pattern within each ring. Further, wherein each of a plurality of the struts comprise a first portion and a second portion; each portion has a thickness that is substantially constant throughout both first and second portions; and each portion has a width that is substantially constant throughout both first and second portions. The first portion is connected to the second portion through a reduced zone positioned at a mid-point of the strut, wherein the reduced zone has a minimum thickness between 30% and 80% of the thickness of the first and second portions. | 07-17-2014 |
20150073535 | Treatment of coronary artery lesions with a scaffold having vessel scaffold interactions that reduce or prevent angina - Methods of treating coronary artery disease (CAD) with bioresorbable stents resulting in reduced angina or non-ischemic chest pain are described. Methods of treatment and devices for treatment of angina and post-procedural chest pain that include anti-angina agents incorporated into the device are disclosed. | 03-12-2015 |