Catheter shaft for regulation of inflation and deflation
First Claim
Patent Images
1. A medical device, comprising:
- an elongate catheter shaft, the shaft including an inner tubular member having an inner lumen extending therethrough, an outer tubular member, and an inflation lumen disposed between the inner tubular member and the outer tubular member;
wherein the outer tubular member includes a plurality of distal openings;
a balloon coupled to the shaft and disposed over the distal openings in the outer tubular member; and
one or more cutting members coupled to the balloon,wherein the plurality of distal openings are arranged about the outer tubular member in one or more longitudinally aligned sets, andwherein the one or more cutting members are radially aligned with the longitudinally aligned sets.
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Accused Products
Abstract
An angioplasty balloon catheter and method of making and using the same. The balloon catheter may include a catheter shaft and a balloon coupled to the shaft. The balloon may include one or more cutting edges coupled thereto. The shaft may include one or more inflation lumens and a plurality of openings defined therein that are in fluid communication with the inflation lumen or lumens.
171 Citations
25 Claims
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1. A medical device, comprising:
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an elongate catheter shaft, the shaft including an inner tubular member having an inner lumen extending therethrough, an outer tubular member, and an inflation lumen disposed between the inner tubular member and the outer tubular member; wherein the outer tubular member includes a plurality of distal openings; a balloon coupled to the shaft and disposed over the distal openings in the outer tubular member; and one or more cutting members coupled to the balloon, wherein the plurality of distal openings are arranged about the outer tubular member in one or more longitudinally aligned sets, and wherein the one or more cutting members are radially aligned with the longitudinally aligned sets. - View Dependent Claims (2, 3)
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4. An angioplasty balloon catheter, comprising:
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a catheter shaft having an inflation lumen extending at least partially therethrough; a first set of longitudinally aligned openings defined in the shaft; a second set of longitudinally aligned openings defined in the shaft; a balloon coupled to the shaft and disposed over the sets of openings, the balloon including an inner chamber in fluid communication with the inflation lumen; a first cutting member coupled to the balloon and radially aligned with the first set of longitudinally aligned openings; and a second cutting member coupled to the balloon and radially aligned with the second set of longitudinally aligned openings. - View Dependent Claims (5, 6, 7, 8, 9, 10, 11)
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12. A cutting balloon catheter, comprising:
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an elongate shaft having a proximal end, a distal end, and a guidewire lumen extending therethrough; a first side lumen defined in the shaft and extending therethrough; a first longitudinally-aligned set of openings defined in the shaft and in fluid communication with the first side lumen; a second side lumen defined in the shaft and extending therethrough; a second longitudinally-aligned set of openings defined in the shaft and in fluid communication with the second side lumen; a balloon coupled to the shaft and disposed over the first and second sets of openings; and a cutting member coupled to the balloon. - View Dependent Claims (13, 14, 15, 16, 17, 18)
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19. A cutting balloon catheter, comprising:
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a multi-lumen catheter shaft having a proximal end, a distal end, a central guidewire lumen extending therethrough, and a plurality of side lumens extending at least partially therethrough; a first set of openings defined in the shaft and in fluid communication with one of the plurality of side lumens; a second set of openings defined in the shaft and in fluid communication with another one of the plurality of side lumens; a balloon coupled to the shaft and disposed over the first and second sets of openings; and a cutting member coupled to the balloon. - View Dependent Claims (20, 21, 22, 23, 24, 25)
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Specification