String cutting balloon
First Claim
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1. A system for treatment of a vessel lesion comprising:
- a catheter shaft, the catheter shaft having a proximal end portion and a distal end portion;
a medical balloon coaxially mounted on the distal end portion of the catheter shaft, the medical balloon having a proximal end, a distal end and a body portion between the proximal and distal ends of the medical balloon, said body portion having an exterior surface, wherein the medical balloon has an expanded condition, a nominal condition and a contracted condition, the medical balloon being expandable from its contracted condition to its nominal condition and from its nominal condition to its expanded condition, the body portion of the medical balloon, when in its nominal condition, having varying radial cross-sectional size along its length;
a first cutting string, the first cutting string having a first end and a second end and a length defined thereby, wherein the first end and the second end of the first cutting string are engaged with the exterior surface of the body portion of the medical balloon and wherein, when the medical balloon is in its nominal condition, a gap is formed between the first cutting string and the exterior surface of the medical balloon between the first and second ends of the first cutting string.
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Accused Products
Abstract
A system for treatment of a vessel lesion comprises an expandable balloon and at least one cutting string longitudinally engaged to an exterior surface of the balloon. When the balloon is in its expanded condition, a gap is formed between the at least one cutting string and the exterior surface of the balloon.
119 Citations
23 Claims
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1. A system for treatment of a vessel lesion comprising:
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a catheter shaft, the catheter shaft having a proximal end portion and a distal end portion;
a medical balloon coaxially mounted on the distal end portion of the catheter shaft, the medical balloon having a proximal end, a distal end and a body portion between the proximal and distal ends of the medical balloon, said body portion having an exterior surface, wherein the medical balloon has an expanded condition, a nominal condition and a contracted condition, the medical balloon being expandable from its contracted condition to its nominal condition and from its nominal condition to its expanded condition, the body portion of the medical balloon, when in its nominal condition, having varying radial cross-sectional size along its length;
a first cutting string, the first cutting string having a first end and a second end and a length defined thereby, wherein the first end and the second end of the first cutting string are engaged with the exterior surface of the body portion of the medical balloon and wherein, when the medical balloon is in its nominal condition, a gap is formed between the first cutting string and the exterior surface of the medical balloon between the first and second ends of the first cutting string. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22)
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23. A system for treatment of a vessel lesion comprising:
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a catheter shaft, the catheter shaft having a proximal end portion and a distal end portion;
a medical balloon coaxially mounted on the distal end portion of the catheter shaft, the medical balloon having a proximal end, a distal end and a body portion between the proximal and distal ends of the medical balloon, said body portion having an exterior surface, wherein the medical balloon has an expanded condition, a nominal condition and a contracted condition, the medical balloon being expandable from its contracted condition to its nominal condition and from its nominal condition to its expanded condition;
at least one cutting string, the at least one cutting string having a first end and a second end and a length defined thereby, wherein the first end and the second end of the at least one cutting string are engaged with the exterior surface of the body portion of the medical balloon and wherein, when the medical balloon is in its nominal condition, the at least one cutting string is straight and a gap is formed between the at least one cutting string and the exterior surface of the medical balloon.
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Specification