Cryogenic ultrasonic scalpel

Details Cryogenic ultrasonic scalpel Cryogenic ultrasonic scalpel

1987-04-30

1989-05-23

Hindenburg, Max

Surgery

Truss

Pad

128DIG27, A61B 1736

Patent

active

048320226

ABSTRACT:
Disclosure is made of a cryogenic ultrasonic scalpel comprising a housing, an ultrasonic source installed in said housing, a cutting means to which ultrasonic vibrations are supplied from the ultrasonic source via a transformer, a tubular heat exchanger featuring inlet and outlet pipes for the supply and removal of the refrigerant and providing the required low-temperature action on the tissue being dissected, and thermal insulation between said cutting means and said tubular heat exchanger.

REFERENCES:
patent: 3636943 (1972-01-01), Balamuth
patent: 3786814 (1974-01-01), Armao
patent: 3918442 (1975-11-01), Nikolaev et al.
patent: 3942519 (1976-03-01), Shock
patent: 4528979 (1985-07-01), Marchanko et al.
patent: 4609368 (1986-09-01), Dotson
patent: 4724834 (1988-02-01), Alperovich et al.

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