Catheter with protective cover and method of catheterization

Details Catheter with protective cover and method of catheterization Catheter with protective cover and method of catheterization

1993-03-01

1994-12-06

Weiss, John G.

Surgery

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

Treating material introduced into or removed from body...

604198, A61M 5178

Patent

active

053706234

ABSTRACT:
A catheterization system for embedment in a patient includes a sharp edged needle at the proximal end portion of the catheter. A protective sheath is received about the needle for relative slidable movement thereon between a first position wherein the sharp edge of the needle extends beyond the protective sheath and a second position wherein the blunt leading proximal edge of the protective sheath extends beyond and covers the sharp edge of the needle.

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patent: 4762516 (1988-08-01), Luther et al.
patent: 4850961 (1989-07-01), Wanderer
patent: 4861334 (1989-08-01), Nawaz
patent: 4944728 (1990-07-01), Carrell et al.
patent: 4994042 (1991-02-01), Vadher
patent: 5019049 (1991-05-01), Haining
patent: 5104382 (1992-04-01), Brinkerhoff
patent: 5186712 (1993-02-01), Kelso et al.
patent: 5269761 (1993-12-01), Stehrenberger
patent: 5279590 (1994-01-01), Sinko

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