Fiber optic laser catheter and method of using it
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
N/A
Issued Date -
Jan 3, 2002
app pub date -
Feb 14, 2001
filing date -
Aug 6, 1990
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A fiber optic laser catheter assembly for use in removing, or largely debulking, obstructions or occlusions from a lumen in a living body. The catheter assembly includes an outer tubular sheath, an optical fiber extending through the sheath, and a fiber guide for holding the fiber within the sheath. In all of the disclosed embodiments, the obstructions are removed by controllably positioning an optical fiber's distal tip in a succession of selected radial and circumferential positions so as to sculpt away the obstruction without substantial risk of mechanically or thermally damaging the vessel. Several of the embodiments are configured such that the portion of the occlusion that can be reliably sculpted away has a radius greater even than the radius of the catheter assembly itself.
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Family
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Cited Art Landscape
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