Valved introducer sheath and related methods

Details Valved introducer sheath and related methods Valved introducer sheath and related methods

2007-11-13

2007-11-13

Kuhns, Allan R. (Department: 1732)

Plastic and nonmetallic article shaping or treating: processes

Pore forming in situ

Composite article making

C264S154000, C264S267000

Reexamination Certificate

active

10929302

ABSTRACT:
A valved introducer sheath is used to facilitate the insertion of a flexible medical device into a body. The elongated valve of the valved introducer sheath is constructed of a foam material that is injected into the sheath and sliced longitudinally to create one or more self-sealing slits through which flexible medical devices can be passed. As a medial device is passed through the self-sealing slit(s) at a proximal end, the self-sealing slits seal around the medical device before opening at a distal end. The elongated valve is also affixed to at least some of the inner surface of the sheath. The valve will tear into halves along at least one of the self-sealing slits when the sheath is peeled.

REFERENCES:
patent: 4751947 (1988-06-01), Landers
patent: 5104389 (1992-04-01), Deem et al.
patent: 5556387 (1996-09-01), Mollenauer et al.
patent: 5755693 (1998-05-01), Walker et al.

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