Cryosurgical device with metered dose

A - Human Necessities – 61 – B

Patent

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Details

A61B 18/02 (2006.01)

Patent

CA 2736763

A cryosurgical device and system is provided comprising a pressurized container, a metered valve that regulates the retrieval of a coolant solution stored in the pressurized container and regulates the volume of coolant solution dispensed with each actuation of the device, an actuator that engages the metered valve when engaged, and directs the coolant solution to an extension tube, which directs the coolant solution away from the pressurized container, and an applicator head configuring an open-ended enclosure attached to a distal end of the extension tube.

La présente invention concerne un dispositif cryochirurgical et un système comprenant les éléments suivants : un récipient sous pression ; une soupape doseuse, qui régule la récupération d'une solution de refroidissement stockée dans le récipient sous pression et le volume de la solution de refroidissement distribuée avec chaque actionnement du dispositif ; un actionneur, qui vient en contact avec la soupape doseuse lors de l'actionnement, et dirige la solution de refroidissement vers un tube prolongateur éloignant la solution de refroidissement du récipient sous pression ; et une tête d'applicateur configurant une enceinte à extrémité ouverte, fixée à une extrémité distale du tube prolongateur.

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