Cryogenic surgical tool

Details Cryogenic surgical tool Cryogenic surgical tool

1987-02-12

1988-09-13

Hindenburg, Max

Surgery

Truss

Pad

A61B 1736

Patent

active

047701714

ABSTRACT:
A cryogenic surgical tool (10) is provided to contact and freeze predetermined areas of tissue. The cryogenic surgical tool (10) consists of a low thermal conductivity handle (12) which is threadedly secured to an applicator member (20). The applicator member (20) includes an internal bore (26) within which is fitted an absorbent member (34) which absorbs a cryogenic liquid. The applicator member (20) includes an applicator first end surface (24) which contacts tissue and draws heat therefrom to extremely low temperatures, thus generally destroying the tissue contacted. The applicator member (20) includes a plurality of housing sidewall through openings (32) which are vent holes and allow for vaporization of the cryogenic liquid from the absorbent member (34) and prevents undue pressures from building up a cavity formed by bore (26) within housing member (20).

REFERENCES:
patent: 1705256 (1929-03-01), Krusi
patent: 3421508 (1969-01-01), Nestrock
patent: 3519364 (1970-07-01), Truhan
patent: 3786814 (1974-01-01), Armao
patent: 4082096 (1978-04-01), Benson
patent: 4327733 (1982-05-01), Gallie
patent: 4498796 (1985-02-01), Gordon et al.

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