Stent

Claim 2

An implantable endoprosthetic device shaped as a three-dimensional body whose surface is formed by at least two groups of turns made of interlaced threads and arranged along helical lines having opposite senses of helix, and at least one end face of said three-dimensional body is formed by sections where the turns of one helical line pass into the turns of the other helical line to define bending points; wherein portions of said threads cross to define an interlacing pattern, said crossing portions being configured to slide with respect to one another.

Claim 3

The device of as set forth in claim 1 , wherein each of said sections of the turns of the helical lines is formed by a bend of a segment of one of the threads from which the turns of helical lines are made.

Claim 4

The device of claim 1 , wherein the bending points are made of a single segment of the threads.

Claim 5

The device of claim 1 , wherein the bending points are arranged with a variable pitch.

Claim 6

The device of claim 1 , wherein the three-dimensional body has a variable transverse diameter.

Claim 7

The device of claim 1 , wherein at least one of the sections of the three-dimensional body is provided with additionally interwoven threads.

Claim 8

The device of claim 1 , wherein free ends of the threads are joined to the threads that form the helical turns and/or to one another.

Claim 9

The device of claim 1 , wherein the sections where the turns of one helical line pass into those of the other helical line have the opposite sense of helix.

Claim 10

The device of claim 1 , wherein the bending points on the sections where the turns merge are the longitudinal axis of the three-dimensional body.

Claim 11

The device of claim 1 , wherein the threads are made of a material featuring the shape memory effect.

Claim 12

The device of claim 1 , wherein the threads are made of a superelastic material.

Claim 13

The device of claim 1 , wherein the three-dimensional body has a coating of a biocompatible material.

Claim 14

The device of claim 1 , wherein the bending points have a circle arc segment.

Claim 15

The device of claim 1 , wherein the bending points have a curvilinear segment.

Claim 16

The device of claim 1 , wherein the device is a stent.

Claim 17

The device of claim 1 , wherein the threads comprise a plurality of threads.

Claim 18

An implantable endoprosthetic device shaped as a three-dimensional body having first and second ends and a side surface disposed between the first and second ends, the side surface being formed by two groups of elongated elements, each of the elongated elements being formed from an thread extending in a helical configuration along a longitudinal axis of the said body, the elements of the first group having a common first direction of winding and the elements of the second group having a common second direction of winding opposite to the first direction; wherein the elements of the first group are interlaced with elements of the second group; and wherein at least one end of said first or said second end of said three-dimensional body is formed by at least one section where the first direction of winding of at least one element of the first group passes into the second direction of winding of at least one element of the second group to define a bending point thereat.

Claim 19

An implantable endoprosthetic device shaped as a three-dimensional body having first and second ends and a side surface disposed between the first and second ends, the side surface being formed by two groups of elongated elements, each of the elongated elements being formed from an thread extending in a helical configuration along a longitudinal axis of the said body, the elements of the first group having a common first direction of winding and the elements of the second group having a common second direction of winding opposite to the first direction; wherein the elements of the first group are interlaced with elements of the second group; and wherein at least one end of said first or said second end of said three-dimensional body is formed by at least one section where the first direction of winding of at least one element of the first group passes into the second direction of winding of at least one element of the second group to define a bending point thereat.

Claim 20

The device of claim 17 , wherein the bending points are made of a single segment of the elements.

Claim 21

The device of claim 17 , wherein the bending points are arranged with a variable pitch.

Claim 22

The device of claim 17 , wherein the three-dimensional body has a variable transverse diameter.

Claim 23

The device of claim 17 , wherein at least a portion of the side surface of the three-dimensional body is provided with additionally interwoven elements.

Claim 24

The device of claim 17 , wherein free ends of the elements are joined to the elements that form the bending points and/or to one another.

Claim 25

The device of claim 17 , wherein the elements are made of a material featuring the shape memory effect.

Claim 26

The device of claim 17 , wherein the elements are made of a superelastic material.

Claim 27

The device of according to claim 17 , wherein the three-dimensional body has a coating of a biocompatible material.

Claim 28

The device of claim 17 , wherein the bending points have a circle arc segment.

Claim 29

The device of claim 17 , wherein the bending points have a curvilinear segment.

Claim 30

The device of claim 17 , wherein the device is a stent.

Claim 31

The device of claim 17 , wherein the elongated elements comprise a plurality of elongated elements.

Claim 32

An implantable endoprosthetic device for placement within a body lumen, comprising: a body having first and second ends; at least two elongate elements defining said body, said elongate elements configured to provide said body with an interlacing pattern; wherein portions of said elongate elements cross to define said interlacing pattern, said crossing portions being configured to slide with respect to one another; and wherein at least one of said first or said second ends of said body is formed by turns of said elongate elements to define bending points thereat.

Claim 33

An implantable endoprosthetic device for placement within a body lumen, comprising: a body having first and second ends; at least two elongate elements defining said body, said elongate elements configured to provide said body with an interlacing pattern; wherein portions of said elongate elements cross to define said interlacing pattern, said crossing portions being configured to slide with respect to one another; and wherein at least one of said first or said second ends of said body is formed by turns of said elongate elements to define bending points thereat.

Claim 34

The device of claim 30 , wherein the bending points have a circle arc segment.

Claim 35

The device of claim 30 , wherein the bending points have a curvilinear segment.

Claim 36

The device of claim 30 , wherein at least one of said bending points is formed by a bend of a segment of one of the elongate elements.

Claim 37

The device of claim 30 , wherein all of the bending points are formed by bends of a segment of a single elongate element.

Claim 38

The device of claim 30 , wherein bending points are arranged with a variable pitch.

Claim 39

The device or claim 30 , wherein the body has a variable transverse diameter.

Claim 40

The device of claim 30 , wherein at least one portion of the body is provided with additionally interwoven elements.

Claim 41

The device of claim 30 , wherein free ends of the elongate elements are joined to the elongate elements that form the bending points and/or to one another.

Claim 42

The device of claim 30 , wherein the elongate elements are arranged along helical lines having opposite senses of helix.

Claim 43

The device of claim 30 , wherein the bending points are on the longitudinal axis of the body.

Claim 44

The device of claim 30 , wherein the elongate elements are made of a material featuring the shape memory effect.

Claim 45

The device of claim 30 , wherein the elongate elements are made of a superelastic material.

Claim 46

The device of claim 30 , wherein the body has a coating of a biocompatible material.

Claim 47

The device of claim 30 , wherein the device is a stent.

Claim 48

The device of claim 30 , wherein the body has a tubular configuration.

Claim 49

The device of claim 30 , wherein at least one of the first or second ends have a flared configuration.

Claim 50

The device of claim 30 , wherein each of the first or second ends have a flared configuration.