Proximal catheter assembly having a relief valve

Details Proximal catheter assembly having a relief valve Proximal catheter assembly having a relief valve

2006-04-25

2006-04-25

Kennedy, Sharon (Department: 3767)

Surgery

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

Treating material introduced into or removed from body...

C604S246000, C604S035000

Reexamination Certificate

active

07033336

ABSTRACT:
The present invention is directed to a proximal catheter assembly that is configured to facilitate natural or suction-assisted aspiration through a catheter lumen. The proximal catheter assembly comprises a relief valve configured to regulate the level of suction-assisted aspiration provided through the working lumen of the catheter. When the level of suction-assisted aspiration exceeds a predetermined threshold, the relief valve opens to allow fluid to be drawn from tubing coupled to the proximal catheter assembly, thereby mitigating the relatively high levels of aspiration imposed upon the working lumen and the patient's vessel.

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