Aspiration catheter having an internal vacuum accumulator

Details Aspiration catheter having an internal vacuum accumulator Aspiration catheter having an internal vacuum accumulator

2011-05-17

2011-05-17

Koharski, Christopher D (Department: 3763)

Surgery

Means for introducing or removing material from body for...

Treating material introduced into or removed from body...

Reexamination Certificate

active

07942852

ABSTRACT:
An aspiration catheter is provided in which vacuum may be accumulated within the catheter and released suddenly within a distal region of the catheter to induce ingestion of intravascular matter into the catheter through an open distal port while avoiding large losses of suction common with catheters having long aspiration lumens. Conventional aspiration using the same catheter can subsequently complement the procedure by fully removing the ingested matter from the catheter.

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Rioufol et al, “Large Tube Section Is the Key to Successful Coronary Thrombus Aspiration: Findings of a Standardized Bench Test,” Catheterization and Cardiovascular Interventions; vol. 67; pp. 254-257 (2006).

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