APPARATUS AND METHOD FOR SUPPLYING COOLANT TO A MEDICAL INSTRUMENT

An apparatus (10) for supplying a coolant, in particular CO2 preferably provided in a bottle, to a cryosurgical instrument may comprise a mechanical or thermal compression device. To this end, a pump (17) may be provided in order to supply CO2 removed from the cylinder into the buffer vessel (19) at...

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Bibliographische Detailangaben
Hauptverfasser:	MEYER VINCENT, FRITZ MARTIN GEORG, WANDEL WALDEMAR, STRAUB FRANK
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BLASTING COMBINED HEATING AND REFRIGERATION SYSTEMS HEAT PUMP SYSTEMS HEATING LIGHTING LIQUEFACTION SOLIDIFICATION OF GASES MANUFACTURE OR STORAGE OF ICE MECHANICAL ENGINEERING REFRIGERATION MACHINES, PLANTS OR SYSTEMS REFRIGERATION OR COOLING WEAPONS
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Beschreibung
Zusammenfassung:	An apparatus (10) for supplying a coolant, in particular CO2 preferably provided in a bottle, to a cryosurgical instrument may comprise a mechanical or thermal compression device. To this end, a pump (17) may be provided in order to supply CO2 removed from the cylinder into the buffer vessel (19) at a desired operating pressure, where the pressure in the gas cylinder may be less than the desired operating pressure. The apparatus (10) comprises a temperature control device (27) configured to bring the coolant to a desired temperature, in particular a temperature higher than the temperature in the gas cylinder or another storage container (15). In doing so, it is ensured that the cryosurgical instrument is safely supplied with a coolant having a desired pressure and sufficient temperature. In particular, the generation of undesired droplets in the instrument or supply tube is avoided. 用于将冷却剂、特别是优选地以瓶提供的CO2供应到冷冻外科器械的设备（10）可包括机械或热压缩装置。为此，可以设置泵（17）以便将从瓶中取出的CO2以期望的操作压力供应到缓冲容器（19）中，其中气瓶中的压力可以小于期望的操作压力。该设备（10）包括调温装置（