Cryosurgical device and method for cooling surfaces

Details Cryosurgical device and method for cooling surfaces Cryosurgical device and method for cooling surfaces

A - Human Necessities

61

B

A61B 18/02 (2006.01) F25D 17/02 (2006.01)

Patent

CA 2580471

A cryosurgery device for dispensing a liquid refrigerant from a container having a valve stem extending outwardly therefrom. The device includes an actuator adapted to seat on the valve stem of the container in order to depress the valve stem to release the refrigerant from the container. The actuator includes an inner passageway having opposed ends disposed therein, one of the ends of the passageway being in fluid communication with the valve stem. An applicator tube is mounted to the actuator at the other end of the inner passageway. A cap is disposed on the top of the container. The actuator is movably positioned on the cap and a shield is attached to the cap to completely receiving the applicator tube. Liquid refrigerant can only be dispensed when the actuator is positioned properly and the applicator tube is disposed within the shield means.

L'invention porte sur un dispositif cryochirurgical permettant de distribuer un réfrigérant liquide provenant d'un récipient muni d'une tige de soupape s'étendant vers l'extérieur depuis celui-ci. Le dispositif comprend un actionneur conçu pour être placé sur la tige de soupape du récipient afin d'appuyer sur celle-ci pour libérer le réfrigérant du récipient. L'actionneur comporte un passage interne ayant des extrémités opposées, dont l'une est en communication fluidique avec la tige de soupape. Un tube applicateur est monté sur l'actionneur au niveau de l'autre extrémité du passage interne. Un bouchon est placé en haut du récipient. L'actionneur est placé de manière mobile sur le bouchon et un moyen de protection est fixé au bouchon afin de recevoir complètement le tube applicateur. Le réfrigérant liquide peut seulement être distribué lorsque l'actionneur est correctement placé et que le tube applicateur est placé dans le moyen de protection.

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