Angioplasty balloon with light incisor
First Claim
1. A device for dilating a stenosis in a vessel which comprises:
- a laser rod having a distal portion, said distal portion of said laser rod being formed with a light groove for emitting laser light from said rod to incise the stenosis;
means for placing said distal portion of said laser rod against the stenosis;
means for directing laser light through said laser rod for emission from said light groove;
an inflatable balloon mounted on said placing means and having an exterior surface for urging said distal portion of said laser rod against the stenosis, wherein said distal portion of said laser rod is bonded to said exterior surface of said balloon.
5 Assignments
0 Petitions
Accused Products
Abstract
A device for incising and dilating a stenosis in a vessel of a patient includes a catheter having an inflatable balloon near its distal end. A laser rod formed with a light groove on its distal portion is bonded to the catheter with the light groove positioned on the balloon. In the operation of the device, the catheter and laser rod are inserted through the vessel to place the balloon and light groove in contact with the stenosis. Laser light is then directed through the laser rod for emission from the light groove to incise the stenosis. Simultaneously, the balloon is inflated. This inflation of the balloon causes further incision of the stenosis and dilatation of the stenosis.
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Citations
12 Claims
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1. A device for dilating a stenosis in a vessel which comprises:
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a laser rod having a distal portion, said distal portion of said laser rod being formed with a light groove for emitting laser light from said rod to incise the stenosis; means for placing said distal portion of said laser rod against the stenosis; means for directing laser light through said laser rod for emission from said light groove; an inflatable balloon mounted on said placing means and having an exterior surface for urging said distal portion of said laser rod against the stenosis, wherein said distal portion of said laser rod is bonded to said exterior surface of said balloon. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A dilatation balloon with laser light incisor for incising and dilating a stenosis in a vessel of a patient which comprises:
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a catheter formed with a lumen; an expandable dilatation balloon surroundingly attached to said catheter, said balloon being tapered with a proximally decreasing cross section; at least one laser light rod, said laser light rod having a distal section mounted on said balloon, and said section being formed with an elongated longitudinal groove for concentrating and emitting laser light therefrom; means in fluid communication with said balloon for selectively inflating said balloon; and a laser light source connected in light communication with said laser light rod for flooding said laser light rod with laser light.
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Specification