Catheter with internal stiffening ridges

Details Catheter with internal stiffening ridges Catheter with internal stiffening ridges

1997-09-03

1999-03-16

McDermott, Corrine M.

Surgery

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

Treating material introduced into or removed from body...

604 96, 604282, 606194, A61M 2500

Patent

active

058823476

ABSTRACT:
A medical catheter comprising an outer tubular member and an inner tubular member slidably disposed within a lumen of the outer tubular member. The inner tubular member includes ridges which project outwardly from the outside surface thereof and which extend longitudinally along substantially the entire length of the inner tubular member to thereby provide a catheter which is flexible and highly resistant to kinking. The catheter further includes connectors for coupling the catheter to a source of fluid and for providing a passageway for a guidewire.

REFERENCES:
patent: 4402684 (1983-09-01), Jessup
patent: 4648871 (1987-03-01), Jacob
patent: 4790831 (1988-12-01), Skirbiski
patent: 4846791 (1989-07-01), Hattler et al.
patent: 4960410 (1990-10-01), Pinchuk
patent: 5019057 (1991-05-01), Truckai
patent: 5037404 (1991-08-01), Gold et al.
patent: 5327891 (1994-07-01), Rammler
patent: 5337733 (1994-08-01), Bauerfeind et al.
patent: 5593394 (1997-01-01), Kanesaka et al.
patent: 5681296 (1997-10-01), Ishida

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