Stent having adjacent elements connected by narrow flexible webs

Patent metadata

Field	Value
Publication number	US-2024180728-A1
Application number	US-202318529894-A
Country	US
Kind code	A1
Filing date	Dec 5, 2023
Priority date	Jul 17, 2014
Publication date	Jun 6, 2024
Grant date	—

Abstract

A stent and method of making incorporating flexible, preferably polymeric, connecting elements into the stent wherein these elements connect element(s) across an intervening space. The polymeric connecting elements are designed to fold within the space between the outer diameter of the stent and the inner diameter of the stent.

First claim

1 .- 20 . (canceled)

21 . An endoprosthesis having a length, a radius, and a circumference, the endoprosthesis comprising;
a stent formed by a plurality of windings, the plurality of windings having multiple apices; a first film web coupled to two adjacent windings and exhibiting a first stiffness; and a second film web coupled to two adjacent windings and exhibiting a second stiffness greater than the first stiffness.

22 . The endoprosthesis according to claim 21 , wherein the first film web is at least partially oriented in a circumferential direction.

23 . The endoprosthesis according to claim 22 , wherein the first film web is oriented at an angle such that the first film web is partially oriented in a longitudinal direction and partially oriented in a circumferential direction.

24 . The endoprosthesis according to claim 21 , wherein the second film web is at least partially oriented in a longitudinal direction.

25 . The endoprosthesis according to claim 21 , wherein the second film web is at least partially oriented in a circumferential direction.

26 . The endoprosthesis according to claim 21 , wherein the second film web covers a straight segment of a winding between adjacent apices of the winding.

27 . The endoprosthesis according to claim 21 , wherein the second film web includes a different material from the first film web.

28 . The endoprosthesis according to claim 21 , wherein first film web is one of a plurality of film webs forming a first film pattern in a central portion of the endoprosthesis, and an end of the endoprosthesis includes a second film pattern different than the first film pattern.

29 . The endoprosthesis according to claim 21 , wherein the first film web is one of a pair of first film webs, and the pair of first film webs couples a first apex of a first winding to a first position and a second position of a second winding.

30 . An endoprosthesis having a length, a radius, and a circumference, the endoprosthesis comprising;
a stent having a plurality of stent elements forming a serpentine pattern with multiple apices; and a first film web attaching a first stent element to a second stent element, the film web including a web reinforcement.

31 . The endoprosthesis according to claim 30 , wherein the web reinforcement is adhered to the film web.

32 . The endoprosthesis according to claim 30 , wherein the web reinforcement is a portion of the first film web that has been densified or cured.

33 . The endoprosthesis of claim 30 , wherein the web reinforcement is formed of a different material than the first film web.

34 . The endoprosthesis of claim 30 , wherein the web reinforcement extends along the entire length of the first film web.

35 . The endoprosthesis of claim 30 , further comprising a second film web including a second web reinforcement, wherein the first film web and the second film web at least partially define an opening between a first apex of the first stent element and a second apex of the second stent element.

36 . The endoprosthesis of claim 35 , further comprising a third film web and a fourth film web, the third film web and the fourth film web at least partially defining a second opening between a third apex of a third stent element and a fourth apex of a fourth stent element, wherein the second opening is free from web reinforcement.

37 . The endoprosthesis of claim 30 , wherein the first film web is oriented at least partially in a circumferential direction.

38 . The endoprosthesis of claim 30 , wherein the first film web extends along a straight portion of each of the first stent element and the second stent element, the straight portion extending between adjacent apices on each of the first stent element and the second stent element.

39 . The endoprosthesis of claim 30 , wherein the first film web and the web reinforcement and formed of the same material.

40 . The endoprosthesis of claim 30 , wherein the first film web and the web reinforcement are formed of different materials.

Assignees

• Gore & Ass

Inventors

• Kariniemi Ryan D
• Kustusch Jeffrey J
• Ulm Mark J

Classifications

• A61F2/89 Primary

  the wire-like elements comprising two or more adjacent rings flexibly connected by separate members · CPC title

• A61F2/07 Primary

  Stent-grafts · CPC title

• A61F2/86

  Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure · CPC title

• A61F2/915

  with bands having a meander structure, adjacent bands being connected to each other · CPC title

• A61F2002/828

  Means for connecting a plurality of stents allowing flexibility of the whole structure · CPC title