Laser-surgical instrument with evacuation tip

Details Laser-surgical instrument with evacuation tip Laser-surgical instrument with evacuation tip

1988-01-11

1989-07-25

Cohen, Lee S.

Surgery

Truss

Pad

604 35, A61B 1736, A61M 100

Patent

active

048503525

ABSTRACT:
A laser surgical instrument is disclosed comprising a laser element mounted in a first hollow tubular member with a tapered open tip for insertion into a surgical site and having an opening at one for connection by a hollow tubing to a source of a purge gas for keeping the laser focusing lens free from smoke. A second tubular member fits on the first tubular member and extends substantially to the first tubular element tapered end. The second tubular member has a side opening for connection to a source of vacuum. A sleeve is slidably mounted on the second tubular member and is movable between a retracted position exposing the tip of the first tubular member and an extended position extending into the surgical site to provide a hood for withdrawal of smoke. The movement of the sleeve between retracted and extended positions provides for selected application of vacuum to the surgical site.

REFERENCES:
patent: 3865113 (1975-02-01), Sharon et al.
patent: 3906955 (1975-09-01), Roberts
patent: 3982541 (1976-09-01), L'Esperance, Jr.
patent: 4503853 (1985-03-01), Ota et al.

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