Method and apparatus for overpressure protection of a catheter
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United States of America Patent
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-
Mar 7, 2000
Grant Date -
N/A
app pub date -
Dec 31, 1996
filing date -
Dec 31, 1996
priority date (Note) -
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status (Latency Note)
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Abstract
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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Family
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