Cryosurgical instrument

Details Cryosurgical instrument Cryosurgical instrument

1997-06-09

1999-11-30

Capossela, Ronald

Refrigeration

Cryogenic treatment of gas or gas mixture

Liquefaction

62 507, 62293, 606 24, 606 25, F25B 1902

Patent

active

059921587

ABSTRACT:
A cryosurgical instrument comprises a cooling tip operable to be cooled by a flow of a cryogenic fluid within the tip; and a fluid transfer chamber having a fluid inlet for receiving cryogenic fluid, a first fluid outlet communicating with the cooling tip for supplying cryogenic fluid to the cooling tip, and a second fluid outlet communicating with an atmospheric air vent.

REFERENCES:
patent: 3257823 (1966-06-01), Hogan
patent: 3667248 (1972-06-01), Carlson
patent: 3696813 (1972-10-01), Wallach
patent: 3971383 (1976-07-01), van Gerver
patent: 4107946 (1978-08-01), Potter
patent: 5254116 (1993-10-01), Baust et al.
patent: 5452582 (1995-09-01), Longsworth
patent: 5520682 (1996-05-01), Baust et al.
patent: 5540062 (1996-07-01), Maytal

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