Laser-catheter

Details Laser-catheter Laser-catheter

1992-10-15

1994-06-28

Shay, David M.

Surgery

Instruments

Light application

606 10, A61N 506

Patent

active

053242858

ABSTRACT:
A catheter is described including at least one optic fiber guided inside a tubular unit. The optic fiber is movable in the tubular unit between an active position wherein the fiber can transmit laser radiation energy and an inactive position wherein the fiber is retracted into the tubular unit. The fiber when retracted clears a duct which is present in the tubular unit. When the optic fiber is retracted a guide filament, which can also be present in the tubular unit, can then move in the duct. The fiber can include a stop which cooperates with another stop present in the tubular unit so as to ensure accurate positioning of the end of the fiber relative to the catheter. The catheter is useful in ridding blood vessels or other cavities of the human body of obstructions.

REFERENCES:
patent: 4526170 (1985-07-01), Tanner

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