Anti-reflux, low friction, skirted hemostasis valve and introduc

Details Anti-reflux, low friction, skirted hemostasis valve and introduc Anti-reflux, low friction, skirted hemostasis valve and introduc

1990-11-01

1992-03-24

Yasko, John D.

Surgery

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

Treating material introduced into or removed from body...

137843, A61M 5315

Patent

active

050984063

ABSTRACT:
A fluid flow control device of tubular means having fluid input means and fluid output means connected by a bore constituting a flow channel, means for maintaining the bore in a normally closed position, the bore being forcible to an open position in response to insertion of a medical device into the fluid input means and past the maintaining means, the maintaining means being constructed and arranged to return the bore to the closed position when the medical device is removed therefrom; and means for prevention of fluid reflux or blood from the fluid output means toward the fluid input means when the bore is in the open position.

REFERENCES:
patent: 4684364 (1987-08-01), Sawyer et al.
patent: 4705501 (1987-10-01), Wigness et al.
patent: 4722725 (1988-02-01), Sawyer et al.
patent: 4784644 (1988-11-01), Sawyer et al.
patent: 4846806 (1989-07-01), Wigness et al.
patent: 4883461 (1989-11-01), Sawyer
patent: 4932633 (1990-06-01), Johnson et al.

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