Method and apparatus for overpressure protection of a catheter

Details Method and apparatus for overpressure protection of a catheter Method and apparatus for overpressure protection of a catheter

A - Human Necessities

61

M

A61M 25/00 (2006.01) A61M 25/14 (2006.01) A61M 39/22 (2006.01)

Patent

CA 2225833

A method and apparatus for overpressure protection of a catheter from an indwelling catheter. A method in one embodiment includes injecting an agent into the catheter and relieving overpressures in the catheter during the injecting step. The agent is typically a declotting agent and the obstruction is typically a clot (e.g., blood clot). In one embodiment of the apparatus, a catheter includes a cannula and a first hub and a second hub, each of which are coupled to the cannula. The first hub is for receiving an agent which is placed into the cannula to remove an obstruction, and the second hub includes an overpressure relief valve for relieving an overpressure condition in the cannula. Other embodiments of the invention are also described.

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