Vascular access catheter having a curved tip and method

Details Vascular access catheter having a curved tip and method Vascular access catheter having a curved tip and method

2006-02-14

2006-02-14

Bianco, Patricia (Department: 3761)

Surgery

Blood drawn and replaced or treated and returned to body

Body inserted tubular conduit structure

C604S004010, C604S043000, C604S523000

Reexamination Certificate

active

06997894

ABSTRACT:
A vascular access catheter having a curved tip. Preferably, the curved tip is formed into a substantially pig-tail shape. Where the catheter is of the double lumen variety, the terminus of the draw lumen is at the end of the curved tip, and thus is shielded from direct contact with a side wall of the blood vessel into which the catheter is inserted. This configuration lessens risks associated with prior art vascular access catheters, including occlusion of the catheter and damage to the vein wall.

REFERENCES:
patent: 5037403 (1991-08-01), Garcia
patent: 5057073 (1991-10-01), Martin
patent: 5209723 (1993-05-01), Twardowski et al.
patent: 6042576 (2000-03-01), DeVries
patent: 6482169 (2002-11-01), Kuhle
patent: 6517529 (2003-02-01), Quinn
patent: 6758836 (2004-07-01), Zawacki
patent: 2002/0188167 (2002-12-01), Viole et al.

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