Arterial catheter and catheter/needle assembly with improved flo

Details Arterial catheter and catheter/needle assembly with improved flo Arterial catheter and catheter/needle assembly with improved flo

1996-08-23

1998-08-25

McDermott, Corrine M.

Surgery

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

Treating material introduced into or removed from body...

604280, 604282, A61M 500

Patent

active

057978824

ABSTRACT:
An arterial catheter includes an elongate tube having a sidewall with an inside surface and an outside diameter. The catheter has a proximal end, an open distal end with a tip portion, and a hollow bore with an inside diameter. There is a hub attached to the proximal end of the catheter that is in fluid communication with the hollow bore. The inside surface of the hollow bore has a plurality of inward projections disposed longitudinally from the proximal end to the distal end. The tip portion has at least one hole through the sidewall into the bore. The catheter sidewall outside diameter is tapered distally from the hole to the open distal end and the inward projections on the inside surface of the bore are substantially diminished in the tip portion.

REFERENCES:
patent: 1596754 (1926-08-01), Moschelle
patent: 4257422 (1981-03-01), Duncan
patent: 4790831 (1988-12-01), Skribiski
patent: 4840623 (1989-06-01), Quackenbush
patent: 5300032 (1994-04-01), Hibbs et al.
patent: 5496292 (1996-03-01), Burnham
patent: 5496294 (1996-03-01), Hergenrother et al.
patent: 5593394 (1997-01-01), Kanesaka et al.
patent: 5601603 (1997-02-01), Illi
patent: 5647846 (1997-07-01), Berg et al.

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