Catheter having a compliant member configured to regulate...

Details Catheter having a compliant member configured to regulate... Catheter having a compliant member configured to regulate...

2005-05-03

2005-05-03

Lucchesi, Nicholas D. (Department: 3763)

Surgery

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

Treating material introduced into or removed from body...

C604S034000, C604S245000, C604S537000

Reexamination Certificate

active

06887220

ABSTRACT:
The present invention is directed to a catheter that is configured to self-regulate aspiration rates through a working lumen of the catheter. The catheter comprises a compliant member in communication with the working lumen that is configured to transition from an open position to a closed position when a predetermined aspiration threshold is exceeded. In the closed position, the compliant member is temporarily drawn inward to at least partially occlude flow through the working lumen, thereby mitigating the rate of aspiration imposed upon a patient's vessel. When the rate of aspiration is reduced below the threshold level, the compliant member returns to the open position.

REFERENCES:
patent: 3469582 (1969-09-01), Jackson
patent: 3717174 (1973-02-01), Dewall
patent: 3881483 (1975-05-01), Sausse
patent: 4596563 (1986-06-01), Pande
patent: 5106367 (1992-04-01), Ureche et al.
patent: 5520651 (1996-05-01), Sutcu et al.

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