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Temperature controller for a cryoprobe, cryosurgical device having a temperature controller, and method for regulating the temperature of a cryoprobe
专利权人:
Franz Geiselhart
发明人:
Franz Geiselhart
申请号:
US13002359
公开号:
US10485602B2
申请日:
2009.06.10
申请国别(地区):
US
年份:
2019
代理人:
摘要:
A cryosurgical apparatus with a temperature regulator. For better therapeutic success, it is desirable to set the temperature applied to a cryosurgical instrument as exactly as possible. Conventional apparatuses have corresponding temperature sensors allowing the regulation of the cooling power in the cryosurgical instrument such that the cooling power corresponds to a predefined value. However, the dimensions of some temperature sensors prevent them from being provided within a cryoprobe. Furthermore, suitable temperature sensors are expensive and have low durability. This problem is solved by the disclosed temperature regulator for regulating the temperature of a cryoprobe, which supplies an at least partly liquid refrigerant at a first pressure to an evaporation region such that the coolant evaporates at least temporarily under the presence of a second pressure for cooling a cooling portion of the cryoprobe. A pressure setting means that sets at least the second pressure is also provided.
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中国工程科技知识中心
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