US20070118206A1 — Low profile medical stent

Claim 1

Independent Claim 5 words

1 - 40 . (canceled)

Claim 2

Dependent Claim 5 words

1 - 40 . (canceled)

Claim 3

Dependent Claim 61 words

41 . A medical stent comprising: a plurality of geometric cells defining a stent, the stent having first and second opposed open ends; and a plurality of wire strands woven to form a plurality of crossed regions defining said geometric cells; wherein each wire strand has strand ends and the strand ends are disposed at said second end of said stent.

Claim 4

Dependent Claim 61 words

41 . A medical stent comprising: a plurality of geometric cells defining a stent, the stent having first and second opposed open ends; and a plurality of wire strands woven to form a plurality of crossed regions defining said geometric cells; wherein each wire strand has strand ends and the strand ends are disposed at said second end of said stent.

Claim 5

Dependent Claim 22 words

42 . The stent of claim 41 , wherein the wire stands are bent to define said first end of said stent.

Claim 6

Dependent Claim 32 words

43 . The stent of claim 41 , wherein the wire strands at least one of said crossed regions cross at an angle, which angle decreases when the stent is radially compressed.

Claim 7

Dependent Claim 32 words

44 . The stent of claim 41 , wherein the wire strands at least one of said crossed regions cross at an angle, which angle increases when the stent is radially expanded.

Claim 8

Dependent Claim 20 words

45 . The stent of claim 44 , wherein the angle is increasingly obtuse as the stent is radially expanded.

Claim 9

Dependent Claim 18 words

46 . The stent of claim 44 , where the angle is from about 70° to about 100°.

Claim 10

Dependent Claim 18 words

47 . The stent of claim 44 , where the angle is from about 20° to about 160°.

Claim 11

Dependent Claim 18 words

48 . The stent of claim 44 , wherein the stent foreshortens when the stent is radially expanded.

Claim 12

Dependent Claim 16 words

49 . The stent of claim 41 , wherein said wire strands are nitinol wire strands.

Claim 13

Dependent Claim 23 words

50 . The stent of claim 41 , wherein said crossed regions comprise crossed regions without having said strands being helically wrapped thereat.

Claim 14

Dependent Claim 19 words

51 . The stent of claim 41 , wherein the wire strands at the crossing points are not twisted.

Claim 15

Dependent Claim 16 words

52 . The stent of claim 41 , wherein the geometric cells have a diamond shape.

Claim 16

Dependent Claim 22 words

53 . The stent of claim 41 , wherein each strand has a diameter from about 0.004 inches to about 0.008 inches.

Claim 17

Dependent Claim 24 words

54 . The stent of claim 41 , wherein pairs of the strands at said second end are attached to one and the other.

Claim 18

Dependent Claim 22 words

55 . The stent of claim 41 , wherein the strands at said second end are secured to one and the other.

Claim 19

Dependent Claim 18 words

56 . The stent of claim 41 , wherein the strands at said second end are helically twisted.

Claim 20

Dependent Claim 15 words

57 . The stent of claim 41 , wherein the stent is coated with silicone.

Claim 21

Dependent Claim 12 words

58 . The stent of claim 41 , further comprising a covering.

Claim 22

Dependent Claim 77 words

59 . A medical stent comprising: a plurality of geometric cells defining a stent, the stent having first and second opposed open ends; and a plurality of wire strands woven to form a plurality of crossed regions defining said geometric cells; wherein the wire stands are bent to define said first end of said stent and further wherein each wire strand has strand ends and the strand ends are disposed at said second end of said stent.

Claim 23

Dependent Claim 77 words

59 . A medical stent comprising: a plurality of geometric cells defining a stent, the stent having first and second opposed open ends; and a plurality of wire strands woven to form a plurality of crossed regions defining said geometric cells; wherein the wire stands are bent to define said first end of said stent and further wherein each wire strand has strand ends and the strand ends are disposed at said second end of said stent.

Claim 24

Dependent Claim 23 words

60 . The stent of claim 59 , wherein said crossed regions comprise crossed regions without having said strands being helically wrapped thereat.

Claim 25

Dependent Claim 19 words

61 . The stent of claim 59 , wherein the wire strands at the crossing points are not twisted.

Claim 26

Dependent Claim 16 words

62 . The stent of claim 59 , wherein the geometric cells have a diamond shape.

Claim 27

Dependent Claim 32 words

63 . The stent of claim 59 , wherein the wire strands at least one of said crossed regions cross at an angle, which angle decreases when the stent is radially compressed.

Claim 28

Dependent Claim 32 words

64 . The stent of claim 59 , wherein the wire strands at least one of said crossed regions cross at an angle, which angle increases when the stent is radially expanded.

Claim 29

Dependent Claim 20 words

65 . The stent of claim 64 , wherein the angle is increasingly obtuse as the stent is radially expanded.

Claim 30

Dependent Claim 18 words

66 . The stent of claim 64 , where the angle is from about 70° to about 100°.

Claim 31

Dependent Claim 18 words

67 . The stent of claim 64 , where the angle is from about 20° to about 160°.

Claim 32

Dependent Claim 18 words

68 . The stent of claim 67 , wherein the stent foreshortens when the stent is radially expanded.

Claim 33

Dependent Claim 16 words

69 . The stent of claim 59 , wherein said wire strands are nitinol wire strands.

Claim 34

Dependent Claim 18 words

70 . The stent of claim 59 , wherein the strands at said second end are helically twisted.

Claim 35

Dependent Claim 61 words

71 . A method of making a medical stent, comprising: providing a plurality of wire strands, each strand having strand ends; bending the wire strands to form a first end of the stent; and diagonally weaving the wires to produce a plurality crossed regions defining a plurality of geometric cells; wherein said strand ends form a second end of the stent.

Claim 36

Dependent Claim 61 words

71 . A method of making a medical stent, comprising: providing a plurality of wire strands, each strand having strand ends; bending the wire strands to form a first end of the stent; and diagonally weaving the wires to produce a plurality crossed regions defining a plurality of geometric cells; wherein said strand ends form a second end of the stent.

Claim 37

Dependent Claim 28 words

72 . The method of claim 71 , wherein the step of weaving comprises forming the plurality of crossing points without having the wire strands helically wrapped thereat.

Claim 38

Dependent Claim 27 words

73 . The method of claim 71 , wherein the step of weaving comprises forming the plurality of crossing points without having the wire strands twisted thereat.

Claim 39

Dependent Claim 32 words

74 . The method of claim 71 , wherein the wire strands at least one of said crossed regions cross at an angle, which angle decreases when the stent is radially compressed.

Claim 40

Dependent Claim 32 words

75 . The method of claim 71 , wherein the wire strands at least one of said crossed regions cross at an angle, which angle increases when the stent is radially expanded.

Claim 41

Dependent Claim 20 words

76 . The method of claim 75 , wherein the angle is increasingly obtuse as the stent is radially expanded.

Claim 42

Dependent Claim 18 words

77 . The method of claim 75 , where the angle is from about 70° to about 100°.

Claim 43

Dependent Claim 18 words

78 . The method of claim 75 , where the angle is from about 20° to about 160°.

Claim 44

Dependent Claim 18 words

79 . The method of claim 78 , wherein the stent foreshortens when the stent is radially expanded.

Claim 45

Dependent Claim 16 words

80 . The method of claim 71 , wherein said wire strands are nitinol wire strands.

Claim 46

Dependent Claim 16 words

81 . The method of claim 71 , wherein the geometric cells have a diamond shape.

Claim 47

Dependent Claim 22 words

82 . The method of claim 71 , wherein each strand has a diameter from bout 0.004 inches to about 0.008 inches.

Claim 48

Dependent Claim 24 words

83 . The method of claim 71 , wherein pairs of the strands at said second end are attached to one and the other.

Claim 49

Dependent Claim 22 words

84 . The method of claim 71 , wherein the strands at said second end are secured to one and the other.

Claim 50

Dependent Claim 15 words

85 . The method of claim 71 , further comprising: coating the stent with silicone.

Claim 51

Dependent Claim 16 words

86 . The method of claim 71 , further comprising: providing a covering to the stent.

Claim 52

Dependent Claim 80 words

87 . A medical stent comprising: a plurality of geometric cells defining a stent, the stent having first and second opposed open ends; and a plurality of wire strands woven to form a plurality of crossed regions defining said geometric cells; wherein the wire stands are bent to define said first end of said stent and further wherein each wire strand has strand ends and the strand ends are helically twisted and disposed at said second end of said stent.

Claim 53

Dependent Claim 80 words

87 . A medical stent comprising: a plurality of geometric cells defining a stent, the stent having first and second opposed open ends; and a plurality of wire strands woven to form a plurality of crossed regions defining said geometric cells; wherein the wire stands are bent to define said first end of said stent and further wherein each wire strand has strand ends and the strand ends are helically twisted and disposed at said second end of said stent.

Claim 54

Dependent Claim 93 words

88 . A medical stent comprising: a plurality of geometric cells defining a stent, the stent having first and second opposed open ends; and a plurality of wire strands woven to form a plurality of crossed regions defining said geometric cells, the crossed regions having at least one angle which increases when the stent is radially expanded; wherein the wire stands are bent to define said first end of said stent and further wherein each wire strand has strand ends and the strand ends are disposed at said second end of said stent.

Claim 55

Dependent Claim 93 words

88 . A medical stent comprising: a plurality of geometric cells defining a stent, the stent having first and second opposed open ends; and a plurality of wire strands woven to form a plurality of crossed regions defining said geometric cells, the crossed regions having at least one angle which increases when the stent is radially expanded; wherein the wire stands are bent to define said first end of said stent and further wherein each wire strand has strand ends and the strand ends are disposed at said second end of said stent.

Claim 56

Dependent Claim 18 words

89 . The stent of claim 88 , where the angle is from about 70° to about 100°.

Claim 57

Dependent Claim 18 words

90 . The stent of claim 88 , where the angle is from about 20° to about 160°.

Claim 58

Dependent Claim 18 words

91 . The stent of claim 88 , wherein the stent foreshortens when the stent is radially expanded.

Claim 59

Dependent Claim 94 words

92 . A medical stent comprising: a plurality of geometric cells defining a stent, the stent having first and second opposed open ends; and a plurality of wire strands woven to form a plurality of crossed regions defining said geometric cells, the crossed regions having at least one obtuse angle which increases when the stent is radially expanded; wherein the wire stands are bent to define said first end of said stent and further wherein each wire strand has strand ends and the strand ends are disposed at said second end of said stent.

Claim 60

Dependent Claim 94 words

92 . A medical stent comprising: a plurality of geometric cells defining a stent, the stent having first and second opposed open ends; and a plurality of wire strands woven to form a plurality of crossed regions defining said geometric cells, the crossed regions having at least one obtuse angle which increases when the stent is radially expanded; wherein the wire stands are bent to define said first end of said stent and further wherein each wire strand has strand ends and the strand ends are disposed at said second end of said stent.

Low profile medical stent

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