Cryogenic-and-ultrasonic scalpel

Details Cryogenic-and-ultrasonic scalpel Cryogenic-and-ultrasonic scalpel

1987-05-28

1989-04-25

Hindenburg, Max

Surgery

Truss

Pad

A61B 1736

Patent

active

048237906

ABSTRACT:
A cryogenic-and-ultrasonic scalpel includes a body, a source of ultrasonic vibrations positioned within the body, a hollow, frusto conical transformer connected to the source of ultrasonic vibrations, and a tubular heat exchanger for supplying refrigerant to the scalpel blade and draining the same therefrom the heat exchanger including inner and outer fluidly intercommunicating coaxial tubes, with the blade and the transformer connected to the outer tube, and ultrasonic vibrations being imparted to the outer tube and then to the blade through the transformer, and with refrigerant supplied through the inner tube, out from holes in the outer tube onto the inner side of the blade, and drained through the outer tube.

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), Marchenko et al.
patent: 4609368 (1986-09-01), Dotson
"Cryosurgery Imaging with Ultrasound" Rubinsky et al. Mechanical Engineering Jan. 1986.

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