Valve for a catheter assembly

Details Valve for a catheter assembly Valve for a catheter assembly

1993-04-08

1994-07-19

Weiss, John G.

Surgery

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

Treating material introduced into or removed from body...

604256, 604283, 241149, A61M 5178

Patent

active

053304357

ABSTRACT:
The valve for a catheter includes an elasotmeric sheath for mounting over the end of the tube within a catheter assembly to prevent a backflow of blood. The valve also includes a sleeve of rubber or plastic which fits over the end of the sheath and which is resiliently expanded when the sheath is mounted on the tube so as to impart a circumferentially applied compressive force on the closed end of the sheath. The sleeve serves to maintain the wall in a sealed condition after a needle has been pierced through the wall and is subsequently removed.

REFERENCES:
patent: 4512766 (1985-04-01), Vailancourt
patent: 4610469 (1986-09-01), Wolff-Mooij
patent: 4874377 (1989-10-01), Newgard et al.
patent: 5053014 (1991-10-01), Van Heugten
patent: 5064416 (1991-11-01), Newgard et al.
patent: 5088984 (1992-02-01), Fields
patent: 5211634 (1993-05-01), Vaillancourt

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