Patent application number | Description | Published |
20080255657 | STENT WITH UNCONNECTED STENT SEGMENTS - This invention generally relates to stents, such as intravascular stents. More particularly, the invention is directed to stents comprising expandable stent segments, such as unconnected expandable stent segments. The invention is also directed to methods for making such stents. | 10-16-2008 |
20080281402 | Stent Configurations - A stent may comprise a plurality of serpentine bands, wherein adjacent serpentine bands are connected by at least one connector strut. A serpentine band may comprise alternating straight struts and s-shaped struts. Connector struts may comprise first connector struts and second connector struts, wherein the first connector struts are nonparallel to the second connector struts. | 11-13-2008 |
20090012599 | Biodegradable Connectors - An expandable bifurcated stent is formed of a main body and a first branch. The body wall is made up of interconnected stent members that define a plurality of cells, at least one of which is a side opening. The first branch body extends from the body wall from at least two regions adjacent the side opening. At least one stent member adjacent the perimeter is bioabsorbable. | 01-08-2009 |
20090076591 | Stent Design Allowing Extended Release of Drug and/or Enhanced Adhesion of Polymer to OD Surface - The invention is directed to mechanisms and methods that reduce the delamination of a therapeutic agent from a stent. The mechanisms include holes (channels, wells, and other hole configurations), protrusions, sintered metal cores, clamps/staples, pins, and stainless steel shields. | 03-19-2009 |
20090138075 | Bifurcated Stent with Drug Wells for Specific Ostial, Carina, and Side Branch Treatment - The invention is directed to a stent that delivers multiple therapeutic regimens from different regions of the stent. | 05-28-2009 |
20090192593 | Stent for Delivery a Therapeutic Agent from a Side Surface of a Stent StSrut - Described herein are implantable medical devices, such as implantable or intravascular stents, for delivering a therapeutic agent, and methods for making such medical devices. In one embodiment, the medical device comprises a stent having a plurality of struts, at least one of which has a cavity disposed therein. A therapeutic agent is delivered from the cavity through and opening in a strut surface. In another embodiment, the medical device is a stent having a coating disposed on the side surface(s) of at least one strut for deliver of a therapeutic agent from the coating. | 07-30-2009 |
20090240322 | Bifurcation Stent Pattern - A stent may comprise a plurality of serpentine bands connected by connector struts. The stent may further comprise a side branch cell having a plurality of outwardly deployable petals. Each serpentine band may have an approximate longitudinal axis. A portion of the serpentine bands may be flared in the unexpanded state, wherein a portion of the axis of each flared band is oriented helically about a portion of the stent. The bands may reorient during stent expansion, whereafter the axis of each band is oriented in a circumferential direction. | 09-24-2009 |
20090281615 | STENT WITH TABS AND HOLES FOR DRUG DELIVERY - A stent can include a tubular body, a plurality of circumferential serpentine bands, a plurality of connectors extending between immediately adjacent serpentine bands, and a plurality of tabs. The plurality of tabs include peak tabs and trough tabs. Each peak tab and each trough tab have a first end and a second end wherein only the first end is engaged to a serpentine band, each peak tab extends substantially parallel to the longitudinal axis from a peak on a serpentine band toward a peak on an immediately distal serpentine band. Each trough tab extends substantially parallel to the longitudinal axis from a trough on a serpentine band toward a trough on an immediately proximal serpentine band. Each serpentine band defines a plurality of holes and each tab defines a plurality of holes. The holes are constructed and arranged to contain a therapeutic agent | 11-12-2009 |
20100004593 | BALLOON CATHETER - Balloon catheters, coil assemblies, and methods for making the same. An example balloon catheter may include a coil assembly. The coil assembly may include a coil, a coating disposed on the coil, and a sheath disposed over the coil and the coating. A guidewire lumen may be defined by the coil assembly. An outer tube disposed over at least a portion of the coil assembly. A balloon may be coupled to the outer tube. An inflation lumen may be defined between the coil assembly and the outer tube. | 01-07-2010 |
20100070023 | BIODEGRADABLE CONNECTORS - An expandable bifurcated stent is formed of a main body and a first branch. The body wall is made up of interconnected stent members that define a plurality of cells, at least one of which is a side opening. The first branch body extends from the body wall from at least two regions adjacent the side opening. At least one stent member adjacent the perimeter is bioabsorbable. | 03-18-2010 |
20100082096 | Tailored Luminal & Abluminal Drug Elution - A stent has a plurality of members made from a first material. At least one of the plurality of members defines at least one hole. Each hole extends from a first surface of a member. Each hole has a first opening and a depth. Each hole has a barrier dividing the hole into a first reservoir and a second reservoir. The first reservoir extends from a first side of the barrier to the first opening of the hole and the second reservoir extends from a second side of the barrier to the second opening of the hole. The barrier is made from a material different from the first material. The barrier is semi-permeable and non-biodegradable and has a thickness which is less than the depth of the hole. | 04-01-2010 |
20100137974 | Stent with Graduated Stiffness - Disclosed herein is a stent having a generally tubular stent body with a first end region, a second end region, and a third region therebetween. The stent has a plurality of circumferential serpentine bands and a plurality of connector columns. Each connector column is located between two immediately adjacent serpentine bands, with each connector column having at least one connector. Connectors are connected at one end to one serpentine band and at the other end to an immediately adjacent serpentine band. The connectors of the first and second end regions have a first length which is substantially parallel to the longitudinal axis, and the connectors of the third region have a length greater than the first length and form an oblique angle relative to the longitudinal axis. | 06-03-2010 |
20100222868 | Stent - A stent with strut bands and connectors, wherein the strut bands have long and short struts with a junction positioned between the short struts. Each junction defines a reservoir, wherein the reservoirs of a strut band are substantially circumferentially aligned. The connectors each have arms, wherein each arm includes an opposing U-shaped link. The opposing links have a shared portion disposed between a peak on one strut band and a longitudinally adjacent trough of an adjacent strut band. | 09-02-2010 |
20100312322 | Medical Balloon Incorporating Electroactive Polymer and Methods of Making and Using the Same - An expandable medical balloon having at least one static state, at least one expanded state, and at least one deflated state, the expandable medical balloon including at least one active region, the at least one active region including electroactive polymer. | 12-09-2010 |
20110066227 | Stent with Dynamic Drug Reservoirs - A stent having one or more beneficial agents which enhance the healing effect of the stent. The agent is positioned within a reservoir. The reservoir dynamically releases the agent when the stent is expanded. The reservoir makes use of various changes in stent shape during expansion to assure proper release of the agent. Agent release can be modulated at various points along the stent and with various rates of release. The reservoirs can also be cooperatively combined with features that enhance stent flexibility, structural integrity, and which prevent recoil. | 03-17-2011 |
20110190873 | Stent - A stent with strut bands and connectors, wherein the strut bands have long and short struts with a junction positioned between the short struts. Each junction defines a reservoir, wherein the reservoirs of a strut band are substantially circumferentially aligned. The connectors each have arms, wherein each arm includes an opposing U-shaped link. The opposing links have a shared portion disposed between a peak on one strut band and a longitudinally adjacent trough of an adjacent strut band. | 08-04-2011 |
20110276126 | Longitudinally Flexible Expandable Stent - In at least one embodiment, a stent comprises a plurality of serpentine bands and a plurality of connector columns. Each serpentine band comprises a plurality of alternating straight band struts and turns. Adjacent serpentine bands are connected across a connector column by a plurality of connector struts. Each connector strut is connected at one end to a turn of one serpentine band and connected at the other end to a turn of another serpentine band. The turns of a serpentine band comprise connected turns that connect to a connector strut and unconnected turns that do not connect to a connector strut. At least one serpentine band comprises a repeating pattern of three band struts and then five band struts extending between connected turns as the serpentine band is traversed. At least one serpentine band comprises a repeating pattern of three band struts and then one band strut extending between connected turns as the serpentine band is traversed. | 11-10-2011 |
20120004719 | Stent Configurations - A stent may comprise a plurality of serpentine bands, wherein adjacent serpentine bands are connected by at least one connector strut. A serpentine band may comprise alternating straight struts and s-shaped struts. Connector struts may comprise first connector struts and second connector struts, wherein the first connector struts are nonparallel to the second connector struts. | 01-05-2012 |
20120265286 | ADJUSTABLE BIFURCATION CATHETER INCORPORATING ELECTROACTIVE POLYMER AND METHODS OF MAKING AND USING THE SAME - A medical device having at least one static state, at least one activated state, and at least one active region including electroactive polymer (EAP) capable of fine electro-activated movements. The EAP movements include bending components for proper alignment, rotating components for proper fittings, making components more rigid or flexible, and increasing and decreasing the volume of components. The fine movements allow for highly versatile and adaptable medical devices. | 10-18-2012 |