A - Human Necessities – 61 – B
Patent
A - Human Necessities
61
B
A61B 18/02 (2006.01) A61B 17/36 (1990.01)
Patent
CA 2106203
2106203 9216155 PCTABS00016 An insulated, compact, mobile cryosurgical instrument (11) is provided that has no moving parts in contact with a liquefied gas coolant retained in an insulated container. Upon interrupting normal venting from the container, the liquefied gas coolant will build up a pressure in the container which may be increased by a squeeze pressure device (35). That pressure will cause the liquefied gas coolant to spray from a nozzle (44) until normal venting is restored.
Sandlin Felix W.
Waller Jack D.
Osler Hoskin & Harcourt Llp
Sandlin Felix W.
Waller Jack D.
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