MEDICAL BALLOON DEVICES AND METHODS
First Claim
Patent Images
1. A medical balloon having a longitudinal axis comprising:
- a composite material comprising at least one expanded fluoropolymer material and an elastomer,wherein said expanded fluoropolymer material comprises serpentine fibrils.
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Abstract
A balloon or balloon cover comprising a composite material having a least one expanded fluoropolymer material and an elastomer is provided. The expanded fluoropolymer material can contain serpentine fibrils. In exemplary embodiments, the fluoropolymer is polytetrafluoroethylene. The composite material may be axially, helically, and/or circumferentially wrapped to form a balloon or balloon cover. The balloon or balloon cover exhibits a sharp increase in stiffness at a predetermined diameter. The balloon or balloon cover can be designed to have a stop point in either a radial or axial direction.
50 Citations
70 Claims
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1. A medical balloon having a longitudinal axis comprising:
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a composite material comprising at least one expanded fluoropolymer material and an elastomer, wherein said expanded fluoropolymer material comprises serpentine fibrils. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19)
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20. A medical balloon having a longitudinal axis comprising:
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a balloon; and a balloon cover comprising a composite material comprising at least one expanded fluoropolymer material and an elastomer, wherein said expanded fluoropolymer material comprises serpentine fibrils. - View Dependent Claims (21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38)
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39. A medical balloon having a longitudinal axis comprising,
a balloon and a balloon cover comprising a composite material comprising at least one expanded fluoropolymer material and an elastomer, wherein said balloon cover is circumferentially wrapped at a first diameter, wherein said composite material can be radially expanded up to a second, nominal diameter beyond which further expansion is inhibited, and wherein said second, nominal diameter is at least 3 times greater than the first diameter.
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60. A method of manufacturing a medical balloon device comprising:
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wrapping a composite material approximately circumferentially to form a tubular member having a diameter that is approximately equal to the delivery diameter, positioning the tubular member about a balloon; and attaching the tubular member at its proximal and distal end to a catheter, wherein said composite material comprises at least one expanded fluoropolymer material and an elastomer, and wherein said expanded fluoropolymer material comprises serpentine fibrils.
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61. A medical balloon delivery system having a longitudinal axis comprising:
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a balloon; a balloon cover having a length and comprising a composite material comprising at least one expanded fluoropolymer material and an elastomer, the balloon cover having a first section and a second section, wherein the stiffness of the first section is greater than the stiffness of the second section; and an endoprosthetic device having a length and collocated with at least a portion of the balloon cover, the endoprosthetic device having a first section and a second section, wherein the stiffness of the first section is greater than the stiffness of the second section; wherein said first section of the balloon cover is collocated with the second section of the endoprosthetic device and the second section of the balloon cover is collated with the first section of the endoprosthetic device. - View Dependent Claims (62, 63)
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64. A medical balloon having a longitudinal axis comprising:
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a balloon comprising a continuously wrapped composite material comprising at least one expanded fluoropolymer material and an elastomer, wherein said balloon cover comprises delivery conformation and an inflated conformation, wherein the delivery conformation is a substantially tubular form and the inflated conformation comprises a shape, the shape comprising a proximal tapered conical section and a distal tapered conical section and a working length there between, and wherein the continuously wrapped composite material consists essentially of substantially constant, opposing angles. - View Dependent Claims (65)
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66. A method of making a balloon device comprising
helically wrapping a film with a first tension to form a first section of a tubular form having a proximal end and a distal end; -
helically wrapping the film with a second tension to form a second section of the tubular form, wherein the first tension is less than the second tension; and securing the tubular form at the proximal end and the distal end to a catheter, wherein upon inflation of the tubular form the first section will distend more than the second section.
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67. A method of making a balloon device comprising
shaping a film into a non-rectangular sheet and circumferentially wrapping the non-rectangular sheet into a tubular form; - and
securing the tubular form to a catheter. - View Dependent Claims (68, 69, 70)
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Specification