Reinforced venous drainage catheter

Details Reinforced venous drainage catheter Reinforced venous drainage catheter

2005-08-30

2005-08-30

Lucchesi, Nicholas D. (Department: 3763)

Surgery

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

Treating material introduced into or removed from body...

C604S508000

Reexamination Certificate

active

06936041

ABSTRACT:
A venous catheter comprises a flexible plastic tubular body having a center lumen. A plurality of drainage openings are formed in a reinforced opening-containing section of the body. Reinforcement is embedded in the body within the reinforced opening-containing section. The reinforcement includes a series of annular ringlets each formed of a few tightly wound helical turns. The ringlets can be non-interconnected, or interconnected by a helical connecting part by forming the ringlets and connecting parts from a continuous wire. The drainage openings are disposed in spaces formed between successive ringlets.

REFERENCES:
patent: 4639252 (1987-01-01), Kelly et al.
patent: 5769828 (1998-06-01), Jonkman
patent: 5807354 (1998-09-01), Kenda
patent: 6152911 (2000-11-01), Giannoble
patent: WO 99/37341 (1999-07-01), None
patent: WO 01/34237 (2001-05-01), None

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