发明名称 |
PURGE PHASE FOR CRYOABLATION SYSTEMS |
摘要 |
A method for purging a cryotreatment system, in particular, for clearing moisture and thus preventing ice blockages within a fluid flow path that may be formed when moisture pockets within the fluid flow path of the system are encountered by a first injection of refrigerant at the beginning of a cryotreatment procedure. The method may include injecting refrigerant from a refrigerant source into a fluid delivery conduit at a preselected pressure for a first period of time, the refrigerant flowing from the fluid delivery conduit through a fluid injection element and into a fluid recovery conduit, and evacuating refrigerant from the fluid recovery conduit by vacuum pressure generated by the vacuum pump for a second period of time. This method may be repeated for a plurality of cycles. |
申请公布号 |
CA2897857(A1) |
申请公布日期 |
2014.07.31 |
申请号 |
CA20132897857 |
申请日期 |
2013.12.17 |
申请人 |
MEDTRONIC CRYOCATH LP |
发明人 |
HARMOUCHE, CHADI;MAHROUCHE, RACHID;MONGER, ERIC;SIMEON, BERTIN;TZONEV, VLADIMIR |
分类号 |
A61B18/02;A61M25/14 |
主分类号 |
A61B18/02 |
代理机构 |
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代理人 |
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