Catheter for cholangiography

Details Catheter for cholangiography Catheter for cholangiography

1991-01-02

1992-09-15

Rosenbaum, C. Fred

Surgery

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

Treating material introduced into or removed from body...

128658, A61M 2500

Patent

active

051473348

ABSTRACT:
A cholangiographic catheter is provided for delivering a contrast fluid for use in X-rays. The device comprises an elongated tube with a curved section. The curved section has a tapered tip and a means for discharging a fluid in a directional flow for reaching the proximal or intraheptic bile ducts as well as the duodenum. In a preferred embodiment, the catheter would have a first set of holes on the curved section and a second set of holes that are smaller than the first located below the first. This would allow for greater control of dispersion of contrast fluid used in X-rays. The catheter would be made of a medical elastomer with memory so that the catheter may maintain the shape of the curved section after the catheter has been inserted into the body.

REFERENCES:
patent: 3828767 (1974-08-01), Spiroff
patent: 3918456 (1975-11-01), Patel
patent: 4263917 (1981-04-01), Moss
patent: 4280500 (1981-07-01), Ono
patent: 4581390 (1986-04-01), Flynn
patent: 4696668 (1987-09-01), Wilcox
patent: 5015232 (1991-05-01), Maglinte

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