Cryogenic-and-ultrasonic scalpel

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

1986-08-26

1988-02-16

Howell, Kyle L.

Surgery

Truss

Pad

128DIG27, A61B 1736

Patent

active

047248343

ABSTRACT:
A cryogenic-and-ultrasonic scalpel comprises a body, a source of ultrasonic vibrations accommodated in the body, a transformer connected to the source of ultrasonic vibrations, and a tubular heat exchanger adapted for refrigerant to admitted to and withdrawn from the scalpel blade, the heat exchanger being accommodated in the body and made as at least two intercommunicating coaxial tubes. The blade and the vibration transferring member are connected to the outside tube, ultrasonic vibrations being imparted to the outside tube and further to the blade through the transformer.

REFERENCES:
patent: 3636943 (1972-01-01), Balamuth
patent: 3786814 (1974-01-01), Armad
patent: 3918442 (1975-11-01), Nikolaev et al.
patent: 3942519 (1976-03-01), Shock
patent: 4582979 (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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