Surgery – Instruments – Light application
Patent
1992-12-15
1999-11-23
Shay, David M.
Surgery
Instruments
Light application
606 3, 606 1, 606 15, A61N 506
Patent
active
059892439
ABSTRACT:
A fiber-optic waveguide, used for ablating lesions in blood vessels, is mounted within and guided by a catheter having multiple lumens extending therethrough and parallel to each other. The waveguide fits within at least one lumen and a guidewire, previously inserted in a blood vessel, extends through another lumen. The distal end of the waveguide can have a short section of larger diameter fiber fused to it to cause a laser beam transmitted through the fiber to expand as it emerges from the waveguide to provide a larger ablation area. The waveguide may also be connected to an energy source by means of an energy coupler.
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Advanced Interventional Systems, Inc.
Shay David M.
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