A - Human Necessities – 61 – B
Patent
A - Human Necessities
61
B
128/127, 327/1.2
A61B 17/22 (2006.01) A61B 1/00 (2006.01) A61B 10/00 (2006.01)
Patent
CA 1279901
CATHETER FOR LASER ANGIOSURGERY Abstract A laser catheter is disclosed wherein optical fibers carrying laser light are mounted in a catheter for insertion into an artery to provide controlled delivery of a laser beam for percutaneous intravascular laser treatment of atherosclerotic disease. A transparent protective shield is provided at the distal end of the catheter for mechanically diplacing intravascular blood and protecting the fibers from the intravascular contents, as well as protecting the patient in the event of failure of the fiber optics. Multiple optical fibers allow the selection of tissue that is to be removed. A computer controlled system automatically aligns fibers with the laser and controls exposure time. Spectroscopic diagnostics determine what tissue is to be removed.
504731
Cothren Robert M. Jr.
de Los Santos-Pacheco Cynthia
Feld Michael S.
Hayes Gary B.
Kenny Leo T.
Massachusetts Institute Of Technology
Norton Rose Or S.e.n.c.r.l.,s.r.l./llp
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