Retrolasing catheter and method

Details Retrolasing catheter and method Retrolasing catheter and method

1986-05-19

1987-06-16

Cohen, Lee S.

Surgery

Truss

Pad

128398, A61B 1736

Patent

active

046729615

ABSTRACT:
An apparatus and method for retrolasing plaque deposits in a coronary artery to remove same includes a tip assembly on the end of a flexible inner tube containing optical fibers that are slidable along a guide wire. The tip assembly includes a reflective surface rearwardly of a front face that directs laser energy supplied through the optical fibers in a rearward direction through a window portion to a focal point externally of the tip assembly. The deposit is removed as the tip assembly is moved in a rearward progression back through the deposit.

REFERENCES:
patent: 1791794 (1931-02-01), Chesney
patent: 4072147 (1978-02-01), Hett
patent: 4207874 (1980-06-01), Choy
patent: 4445892 (1984-05-01), Hussein et al.
patent: 4512762 (1985-04-01), Spears
patent: 4539987 (1985-09-01), Nath
patent: 4576177 (1986-03-01), Webster, Jr.

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