Cutting balloon catheter having flexible atherotomes
First Claim
Patent Images
1. A medical device, comprising:
- an elongate shaft having a distal end region;
a balloon coupled to the distal end region;
one or more cutting members coupled to the balloon, the cutting members including a cutting surface and a base; and
wherein the cutting surface includes a slot.
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Accused Products
Abstract
A cutting balloon catheter and method of making and using the same. The cutting balloon catheter may include a catheter shaft having a balloon coupled thereto. One or more cutting members or blades may be coupled to the balloon. The cutting members may configured to be more flexible.
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Citations
21 Claims
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1. A medical device, comprising:
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an elongate shaft having a distal end region;
a balloon coupled to the distal end region;
one or more cutting members coupled to the balloon, the cutting members including a cutting surface and a base; and
wherein the cutting surface includes a slot. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A cutting balloon catheter, comprising:
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an elongate catheter shaft;
a balloon coupled to the catheter shaft;
one or more flexible joining members coupled to the balloon; and
one or more cutting members coupled to the joining members. - View Dependent Claims (9, 10, 11, 12, 13)
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14. A cutting balloon catheter, comprising:
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an elongate catheter shaft;
a balloon coupled to the shaft;
one or more atherotomes coupled to the balloon; and
means for increasing the flexibility of the atherotomes. - View Dependent Claims (15, 16)
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17. A method of using a cutting balloon catheter, comprising the steps of:
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providing a cutting balloon catheter, the cutting balloon catheter including an elongate catheter shaft, a balloon coupled to shaft, one or more flexible cutting members coupled to the balloon, the cutting members including a slot formed in a cutting surface thereof;
advancing the cutting balloon catheter through a blood vessel to a position adjacent an area of interest;
inflating the balloon, whereby the balloon and the cutting members engage the area of interest;
deflating the balloon; and
withdrawing the cutting balloon catheter from the blood vessel.
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18. A method for manufacturing a cutting balloon catheter, comprising the steps of:
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providing an atherotome, the atherotome having a cutting surface;
forming one or more slots in the cutting surface; and
coupling the atherotome to a balloon, the balloon being coupled to a catheter shaft.
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19. A method for manufacturing a cutting balloon catheter, comprising the steps of:
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providing an atherotome, the atherotome having a cutting surface;
providing a joining member; and
disposing the joining member between the atherotome and the balloon, the balloon being coupled to a catheter shaft.
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20. A cutting balloon catheter, comprising:
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an elongate catheter shaft;
a balloon coupled to the catheter shaft;
one or more flexible joining members coupled to the balloon; and
one or more pairs of cutting members coupled to the joining members.
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21. A cutting balloon catheter, comprising:
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an elongate catheter shaft;
a balloon coupled to the catheter shaft;
one or more pairs of cutting members coupled to the balloon; and
wherein the cutting members include one or more slots formed in a cutting surface thereof.
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Specification