Cryosurgical probe with pre-cooling feature
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United States of America Patent
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Jun 2, 1998
Grant Date -
N/A
app pub date -
Nov 1, 1996
filing date -
Nov 9, 1993
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A cryosurgical probe comprises a probe head operable to be cooled by the expansion of a refrigerant gas within the probe head; a probe handle having means for precooling the refrigerant gas; and a flexible catheter linking the probe handle and the probe head, the catheter defining a channel for carrying precooled refrigerant gas from the probe handle to the probe head.
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