Tip pressure monitoring for cryoablation catheters

Details Tip pressure monitoring for cryoablation catheters Tip pressure monitoring for cryoablation catheters

A - Human Necessities

61

B

A61B 18/02 (2006.01) A61M 25/00 (2006.01) A61M 25/01 (2006.01) A61B 17/00 (2006.01) A61B 19/00 (2006.01)

Patent

CA 2427433

A cryoablation catheter having a distal portion cooled by a refrigerant is described. The catheter includes a pressure sensor in the distal portion to monitor a pressure of the refrigerant. The monitored pressure may be used to determine the integrity of the catheter, both before and during a surgical procedure, so that the supply of refrigerant is interrupted if a leak is discovered. The monitored pressure may also be used in a feedback loop to control the performance of the cryoablation catheter.

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