Cryogenic device for surgical use

Details Cryogenic device for surgical use Cryogenic device for surgical use

A - Human Necessities

61

B

A61B 18/02 (2006.01)

Patent

CA 2688371

The invention relates to a cryogenic device (1) for surgical use, which can be used to cool an area of the body and includes: a cryogenic gas supply conduit and discharge conduit, an end piece (5) comprising a metal tip (8) intended to be brought into contact with the area to be cooled and a gas expansion chamber (7), and a gas injection nozzle (6) connected to the supply conduit at one end and opening into the chamber (7) in the direction of the metal tip (8) at the other end. The supply conduit and the discharge conduit are formed in a common flexible extruded tube (4) that is inserted into the end piece (5).

L'invention concerne un dispositif cryogénique (1) à usage chirurgical permettant de refroidir une zone du corps comprenant : un conduit d'alimentation et un conduit d'évacuation d'un gaz cryogénique un embout (5) comprenant une extrémité métallique (8) destinée à être mise en contact avec la zone à refroidir et une chambre (7) de détente du gaz; et une buse (6) d'injection du gaz connectée audit conduit d'alimentation d'une part, et débouchant dans ladite chambre (7), en direction de l'extrémité métallique (8), d'autre part. Le conduit d'alimentation et le conduit d'évacuation sont formés dans un tube (4) flexible extrudé commun inséré à l'intérieur de l'embout (5).

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