Back to results
US 7,404,816 B2Granted
Leak detection system
AssigneeCryoCath Technologies Inc.
InventorsMarwan Abboud, Johnny Al Asmar, John W. Lehmann
Life of this patent
Estimating the term…
Abstract
A surgical device includes a device body defining a sealed fluid path having a first end and a second end, a refrigerant supply in communication with the first end of the sealed fluid path, and a vacuum source in communication with the second end of the sealed fluid path. Leak detection apparatus can be provided in communication with the sealed fluid path.
Claims3
A surgical device comprising:
- a catheter having proximal and distal end portions, and a sealed fluid path therethrough;
- an impedance measurement circuit disposed inside the fluid path for detecting the presence of a fluid aspirated into the fluid path indicating a leak;
- and
- a vacuum source in communication with the fluid path.
1 more element
Dependencies are inferred from the claim text.