Valved over-the-wire catheter

Details Valved over-the-wire catheter Valved over-the-wire catheter

2005-07-05

2005-07-05

Sirmons, Kevin C. (Department: 3763)

Surgery

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

Treating material introduced into or removed from body...

C604S249000

Reexamination Certificate

active

06913596

ABSTRACT:
A catheter with a distal end having a member formed from a hydrophilic composition is provided. The hydrophilic composition expands upon contact with an aqueous fluid to move the member from a quiescent state to an expanded state. The member may provide an open passageway in the quiescent state and be capable for forming a fluid tight seal by action of expansion of the hydrophilic composition. In such a case the member acts as a valve for permitting or preventing fluid flow through the catheter.

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