Claims
- 1. A balloon for use in a catheter, comprising:
multiple layers of material adapted to experience a change in diameter while remaining substantially the same length when inflated, the multiple layers being disposed in cooperative relationship such that the balloon achieves a predefined geometry when inflated.
- 2. The balloon as recited in claim 1, wherein at least one of the multiple layers comprises pretreated textile materials cooperatively arranged such that the layer will experience a change in diameter while remaining substantially the same length when the balloon is inflated.
- 3. The balloon as recited in claim 2, wherein the textile material is arranged by being braided.
- 4. The balloon as recited in claim 1, wherein at least one of the multiple layers comprises untreated textile materials cooperatively arranged such that the layer will experience a change in diameter while remaining substantially the same length when the balloon is inflated.
- 5. The balloon as recited in claim 1, wherein at least one of the multiple layers comprises textile materials cooperatively arranged and then treated to allow the layer to experience a change in diameter while remaining substantially the same length when the balloon is inflated.
- 6. The balloon as recited in claim 1, wherein compliance characteristics of the multiple layers are independent of the predefined geometry.
- 7. The balloon as recited in claim 1, wherein the multiple layers comprise a first layer of material adapted to experience a change in diameter while remaining substantially the same length when inflated and a second layer of material adapted to experience a change in diameter while remaining substantially the same length when inflated wherein the second layer is disposed over the first layer and wherein the second layer has an opening through which a portion of the first layer is intended to inflate to achieve the predefined geometry.
- 8. The balloon as recited in claim 7, wherein at least one of the first layer and second layer comprises a textile.
- 9. The balloon as recited in claim 8, wherein at least one of the first layer and second layer comprises a polyester multifilament yarn.
- 10. The balloon as recited in claim 7, wherein at least one of the first layer and second layer comprises a braided material.
- 11. The balloon as recited in claim 10, wherein the opening is formed by locally distorting a pattern of the braided material.
- 12. The balloon as recited in claim 7, wherein at least one of the first and second layer comprises a material selected from a group consisting of polyester, nylon, polyethylene, carbon, kevlar, PEBA, and PTFE.
- 13. The balloon as recited in claim 7, wherein the multiple layers further comprises a third layer disposed in cooperative relation to the first layer and the second layer.
- 14. The balloon as recited in claim 13, wherein the third layer is comprised of a material selected from a group consisting of silicone, latex, polyurethane, PBA, and fluorelastomers.
- 15. The balloon as recited in claim 13, wherein the third layer comprises a porous material.
- 16. The balloon as recited in claim 13, wherein the third layer comprises a liquid tight material.
- 17. The balloon as recited in claim 13, wherein the third layer comprises an elastomer.
- 18. The balloon as recited in claim 13, wherein the third layer at least partially overlays the second layer.
- 19. The balloon as recited in claim 13, wherein each of the first layer, second layer, and third layer are unattached to each other.
- 20. The balloon as recited in claim 12, further comprising a fourth layer disposed to the interior of the first layer.
- 21. The balloon as recited in claim 19, wherein the fourth layer is comprised of a material selected from a group consisting of silicone, latex, polyurethane, PBA, and fluorelastomers.
- 22. The balloon as recited in claim 7, wherein the first layer and the second layer cooperate to provide the balloon with varying compliance characteristics over its length.
- 23. The balloon as recited in claim 22, wherein the compliance characteristics are independent of the predefined geometry.
- 24. The balloon as recited in claim 7, wherein the balloon in the vicinity of the opening is adapted to inflate to a different dimension relative to the remainder of the balloon.
- 25. The balloon as recited in claim 24, wherein the first layer is axially compressed in the vicinity of the opening to allow more material to protrude through the opening when the balloon is inflated.
- 26. The balloon as recited in claim 7, wherein the shape of the opening determines the predefined geometry of the inflated balloon.
- 27. The balloon as recited in claim 26, wherein the opening is generally circular when formed.
- 28. The balloon as recited in claim 26, wherein the opening is generally elliptical when formed.
- 29. A method of making a balloon for use in a catheter, comprising:
arranging multiple layers of material adapted to experience a change in diameter while remaining substantially the same length when inflated in a cooperative relationship that allows the balloon to achieve a predefined geometry when inflated.
- 30. The method as recited in claim 29, wherein at least one of the multiple layers comprises pretreated textile materials cooperatively arranged such that the layer will experience a change in diameter while remaining substantially the same length when the balloon is inflated.
- 31. The method as recited in claim 30, wherein the textile material is arranged by being braided.
- 32. The method as recited in claim 29, wherein at least one of the multiple layers comprises untreated textile materials cooperatively arranged such that the layer will experience a change in diameter while remaining substantially the same length when the balloon is inflated.
- 33. The method as recited in claim 29, wherein at least one of the multiple layers comprises textile materials cooperatively arranged and then treated to allow the layer to experience a change in diameter while remaining substantially the same length when the balloon is inflated.
- 34. The method as recited in claim 29, wherein compliance characteristics of the multiple layers are independent of the predefined geometry.
- 35. The method as recited in claim 29, wherein the multiple layers comprise a first layer of material adapted to experience a change in diameter while remaining substantially the same length when inflated and a second layer of material adapted to experience a change in diameter while remaining substantially the same length when inflated, wherein the second layer is disposed over the first layer, and wherein the second layer has an opening through which a portion of the first layer is intended to inflate to achieve the predefined geometry.
- 36. The method as recited in claim 35, wherein at least one of the first layer and second layer comprises a textile.
- 37. The method as recited in claim 36, wherein at least one of the first layer and second layer comprises a polyester multifilament yarn.
- 38. The method as recited in claim 35, wherein at least one of the first layer and second layer comprises a braided material.
- 39. The method as recited in claim 38, wherein the opening is formed by locally distorting a pattern of the braided material.
- 40. The method as recited in claim 35, wherein at least one of the first and second layer comprises a material selected from a group consisting of polyester, nylon, polyethylene, carbon, kevlar, PEBA, and PTFE.
- 41. The method as recited in claim 35, wherein the multiple layers further comprises a third layer disposed in cooperative relation to the first layer and the second layer.
- 42. The method as recited in claim 41, wherein the third layer is comprised of a material selected from a group consisting of silicone, latex, polyurethane, PBA, and fluorelastomers.
- 43. The method as recited in claim 41, wherein the third layer comprises a porous material.
- 44. The method as recited in claim 41, wherein the third layer comprises a liquid tight material.
- 45. The method as recited in claim 41, wherein the third layer comprises an elastomer.
- 46. The method as recited in claim 41, wherein the third layer at least partially overlays the second layer.
- 47. The method as recited in claim 41, wherein each of the first layer, second layer, and third layer are unattached to each other.
- 48. The method as recited in claim 41, further comprising a fourth layer disposed to the interior of the first layer.
- 49. The method as recited in claim 48, wherein the fourth layer is comprised of a material selected from a group consisting of silicone, latex, polyurethane, PBA, and fluorelastomers.
- 50. The method as recited in claim 35, wherein the first layer and the second layer cooperate to provide the balloon with varying compliance characteristics over its length.
- 51. The method as recited in claim 50, wherein the compliance characteristics are independent of the predefined geometry.
- 52. The method as recited in claim 35, wherein the balloon in the vicinity of the opening is adapted to inflate to a different dimension relative to the remainder of the balloon.
- 53. The method as recited in claim 52, comprising axially compressing the first layer in the vicinity of the opening to allow more material to protrude through the opening when the balloon is inflated.
- 54. The method as recited in claim 35, wherein the shape of the opening determines the predefined geometry of the inflated balloon.
- 55. The method as recited in claim 54, wherein the opening is generally circular when formed.
- 56. The method as recited in claim 54, wherein the opening is generally elliptical when formed.
- 57. The method as recited in claim 35, wherein the opening is provided to the second layer prior to the second layer being disposed over the first layer.
- 58. The method as recited in claim 29, further comprising using an inflation process to vary compliance characteristics of the balloon.
- 59. A balloon catheter, comprising:
a catheter having a first portion and a second portion; a balloon disposed between the first portion and the second portion, the balloon comprising multiple layers of material adapted to experience a change in diameter while remaining substantially the same length when inflated, the multiple layers being disposed in cooperative relationship such that the balloon achieves a predefined geometry when inflated.
- 60. The balloon catheter as recited in claim 59, wherein at least one of the multiple layers comprises pretreated textile materials cooperatively arranged such that the layer will experience a change in diameter while remaining substantially the same length when the balloon is inflated.
- 61. The balloon catheter as recited in claim 60, wherein the textile material is arranged by being braided.
- 62. The balloon catheter as recited in claim 59, wherein at least one of the multiple layers comprises untreated textile materials cooperatively arranged such that the layer will experience a change in diameter while remaining substantially the same length when the balloon is inflated.
- 63. The balloon catheter as recited in claim 59, wherein at least one of the multiple layers comprises textile materials cooperatively arranged and then treated to allow the layer to experience a change in diameter while remaining substantially the same length when the balloon is inflated.
- 64. The balloon catheter as recited in claim 59, wherein compliance characteristics of the multiple layers are independent of the predefined geometry.
- 65. The balloon catheter as recited in claim 1, wherein the multiple layers comprise a first layer of material adapted to experience a change in diameter while remaining substantially the same length when inflated and a second layer of material adapted to experience a change in diameter while remaining substantially the same length when inflated wherein the second layer is disposed over the first layer and wherein the second layer has an opening through which a portion of the first layer is intended to inflate to achieve the predefined geometry.
- 66. The balloon catheter as recited in claim 65, wherein at least one of the first layer and second layer comprises a textile.
- 67. The balloon catheter as recited in claim 65, wherein at least one of the first layer and second layer comprises a polyester multifilament yarn.
- 68. The balloon catheter as recited in claim 65, wherein at least one of the first layer and second layer comprises a braided material.
- 69. The balloon catheter as recited in claim 68, wherein the opening is formed by locally distorting a pattern of the braided material.
- 70. The balloon catheter as recited in claim 65, wherein at least one of the first and second layer comprises a material selected from a group consisting of polyester, nylon, polyethylene, carbon, kevlar, PEBA, and PTFE.
- 71. The balloon catheter as recited in claim 65, wherein the multiple layers further comprises a third layer disposed in cooperative relation to the first layer and the second layer.
- 72. The balloon catheter as recited in claim 71, wherein the third layer is comprised of a material selected from a group consisting of silicone, latex, polyurethane, PBA, and fluorelastomers.
- 73. The balloon catheter as recited in claim 71, wherein the third layer comprises a porous material.
- 74. The balloon catheter as recited in claim 71, wherein the third layer comprises a liquid tight material.
- 75. The balloon catheter as recited in claim 71, wherein the third layer comprises an elastomer.
- 76. The balloon catheter as recited in claim 71, wherein the third layer at least partially overlays the second layer.
- 77. The balloon catheter as recited in claim 71, wherein each of the first layer, second layer, and third layer are unattached to each other.
- 78. The balloon catheter as recited in claim 71, further comprising a fourth layer disposed to the interior of the first layer.
- 79. The balloon catheter as recited in claim 78, wherein the fourth layer is comprised of a material selected from a group consisting of silicone, latex, polyurethane, PBA, and fluorelastomers.
- 80. The balloon catheter as recited in claim 65, wherein the first layer and the second layer cooperate to provide the balloon with varying compliance characteristics over its length.
- 81. The balloon catheter as recited in claim 80, wherein the compliance characteristics are independent of the predefined geometry.
- 82. The balloon catheter as recited in claim 65, wherein the balloon in the vicinity of the opening is adapted to inflate to a different dimension relative to the remainder of the balloon.
- 83. The balloon catheter as recited in claim 82, wherein the first layer is axially compressed in the vicinity of the opening to allow more material to protrude through the opening when the balloon is inflated.
- 84. The balloon catheter as recited in claim 65, wherein the shape of the opening determines the predefined geometry of the inflated balloon.
- 85. The balloon catheter as recited in claim 84, wherein the opening is generally circular when formed.
- 86. The balloon catheter as recited in claim 84, wherein the opening is generally elliptical when formed.
- 87. The balloon catheter as recited in claim 65, wherein the balloon has compliance characteristics such that the balloon inflates in a substantially uniform manner prior to the balloon in the vicinity of the opening assuming its intended geometry.
- 88. A balloon for use in a catheter, comprising:
a first layer of material adapted to experience a change in diameter while remaining substantially the same length when inflated; and a second layer of material adapted to experience a change in diameter while remaining substantially the same length when inflated; wherein the second layer is disposed over the first layer and wherein the second layer cooperates with the first layer to allow the balloon to achieve a protrusion which assumes a geometry of a side-branch vessel opening when inflated.
- 89. The balloon as recited in claim 88, wherein at least one of the first layer and second layer comprises a textile.
- 90. The balloon as recited in claim 88, wherein at least one of the first layer and second layer comprises a polyester multifilament yarn.
- 91. The balloon as recited in claim 88, wherein at least one of the first layer and second layer comprises a braided material.
- 92. The balloon as recited in claim 88, wherein the balloon is treated in an inflation mold that simulates the geometry of the side-branch vessel opening.
- 93. The balloon as recited in claim 88, wherein the protrusion inflates at a faster rate relative to the remainder of the balloon.
- 94. The balloon as recited in claim 88, wherein the balloon is adapted to inflate at a substantially uniform rate prior to the protrusion inflating.
- 95. The balloon as recited in claim 88, wherein the second layer has an opening through which the first layer inflates to provide the geometry of the side branch vessel opening.
- 96. The balloon as recited in claim 95, wherein the opening is generally circular when formed.
- 97. The balloon as recited in claim 95, wherein the opening is generally elliptical when formed.
- 98. The balloon as recited in claim 95, wherein the first layer is axially compressed in the vicinity of the opening.
- 99. The balloon catheter as recited in claim 59, wherein the balloon includes regions of porosity for the delivery of therapeutic agents
- 100. The balloon as recited in claim 1, wherein the multiple layers include regions of porosity for the delivery of therapeutic agents.
RELATED APPLICATION
[0001] This application claims the benefit of and is a continuation-in-part of U.S. application Ser. No. 10/187,923, filed Jul. 2, 2002, which is incorporated herein by reference in its entirety.
Continuation in Parts (1)
|
Number |
Date |
Country |
Parent |
10187923 |
Jul 2002 |
US |
Child |
10655665 |
Sep 2003 |
US |