| Patent application number | Description | Published |
|---|
| 20110067471 | Method and Apparatus for Creating Formed Elements Used to Make Wound Stents - A method for forming a wave form for a stent includes providing a length of a formable material from a supply of the formable material in a feeder along an axis in a first direction in between a first forming member and a second forming member. The second forming member is positioned closer to the feeder than the first forming member. The length is about the length of a substantially straight portion of the wave form. The method also includes moving the first forming member in a second direction substantially perpendicular to the first direction to a position in contact with the formable material, and moving the second forming member in a third direction substantially opposite the second direction to wrap the formable material about a distal end of the first forming member. | 03-24-2011 |
| 20110071615 | Methods for Forming an Orthogonal End on a Helical Stent - A method of manufacturing a stent includes forming a wave form having a plurality of struts and a plurality of crowns. Each crown connects two adjacent struts. The wave form has a center and two portions extending from opposite sides of the center. The method includes wrapping a first portion of the wave form about a longitudinal axis in a first direction at a first pitch angle, starting at the center of the wave form, to define at least one turn oriented at the first pitch angle, and wrapping a second portion of the wave form about the longitudinal axis in a second direction that is opposite the first direction at a second pitch angle, starting at the center of the wave form, to define at least one turn oriented at the second pitch angle. The first pitch angle is opposite the second pitch angle. | 03-24-2011 |
| 20110071617 | Stent With Improved Flexibility - A stent includes a continuous wave form wrapped around a longitudinal axis of the stent at a pitch to define a helix comprising a plurality of turns. The wave form includes a plurality of struts and a plurality of crowns. Each crown connects adjacent struts within a turn to define the continuous wave form. The stent also includes a plurality of connections configured to connect selected crowns of adjacent turns. Unconnected crowns of adjacent turns that substantially face each other are spaced from each other and define a gap therebetween. The gap between the unconnected crowns of adjacent turns is variable around a circumference of the stent. | 03-24-2011 |
| 20110071620 | Methods for Forming an Orthogonal End on a Helical Stent - A method of manufacturing a stent includes forming a wave form having a plurality of struts and a plurality of crowns. Each crown connects two adjacent struts. The wave form has a central portion and two end portions located on opposite sides the central portion. Some of the struts located in the end portions have lengths longer and/or shorter than an average length of all of the struts of the wave form. The method includes wrapping the wave form about a longitudinal axis to define a plurality of turns so that an end turn is oriented at an angle relative to the longitudinal axis, a second turn is at a first pitch angle that is less than the angle that the end turn is disposed relative to the longitudinal axis, a third turn is at a second pitch angle that is less than the first pitch angle, and a fourth turn is at a third pitch angle that is less than the second pitch angle. | 03-24-2011 |
| 20110218615 | Stent With Multi-Crown Constraint and Method for Ending Helical Wound Stents - A stent includes a wave form having a plurality of struts and a plurality of crowns with each crown connecting two adjacent struts. The wave form is wrapped around a longitudinal axis to define a plurality of turns. The stent includes a first connection that connects an end of the wave form to an adjacent crown in a first turn that defines an end of the stent, and a second connection that connects a first crown of the wave form to an adjacent crown in a second turn. | 09-08-2011 |
| 20110264194 | Endoluminal Implant With Locking and Centering Fixation System - An implant centering system includes a sensor connected to a hollow cylindrical anchor via at least two struts. The hollow cylindrical anchor is transformable between a radially compressed configuration for delivery and a radially expanded configuration for lodging against a vessel wall. The struts longitudinally relocate the sensor between a first position in which the sensor is longitudinally spaced apart from the radially compressed anchor, and a second position in which the sensor is at least partially within a lumen of the radially expanded anchor and radially centered within vessel. In one embodiment, the struts are heat-set into a curved configuration and an externally applied force longitudinally relocates the sensor until the struts lock over center into their heat-set configuration. In another embodiment, radial expansion of the anchor longitudinally relocates the sensor without an externally applied force. | 10-27-2011 |
| 20110264195 | Helical Stent with Opposing and/or Alternating Pitch Angles - Waveforms for forming helical stents with opposing and/or alternating pitch angles along their lengths are disclosed. A wire is bent to form a waveform having a series of sinusoidal segments between a first end and a second end thereof. Each sinusoidal segment is longitudinally offset from its adjacent segment(s). Each waveform includes at least one sinusoidal segment having a first portion in which the amplitude between consecutive turns of the wire gradually increases and a longitudinally offset second portion in which the amplitude between consecutive turns of the wire gradually decreases. The waveform is wrapped from one end to the other about a mandrel to form the stent and depending on the arrangement of sinusoidal segments along the waveform may have opposing and/or alternating pitch angles along a section or an entire length of the stent. | 10-27-2011 |
| 20110270339 | Two-Stage Delivery Systems and Methods for Fixing a Leadless Implant to Tissue - Systems and methods of delivering and retaining a leadless medical implant to tissue, wherein a docking base and the implant are sequentially delivered to an implantation site. In a first stage, the docking base is delivered and deployed into tissue at an implantation site. In a second stage, the implant is navigated through the vasculature and coupled to the docking base. Various mechanisms for navigating the implant to the previously implanted docking base and coupling the implant thereto are described. Navigational mechanisms include advancing the implant over a proximally extending wire portion that is releasably attached to the previously implanted docking base, utilizing fluoroscopic visualization to guide the implant to a previously implanted docking base that is at least partially radiopaque and utilizing electromagnetism to guide the implant to a previously implanted docking base that is electro-magnetizable. | 11-03-2011 |
