Cholangiogram catheter

Details Cholangiogram catheter Cholangiogram catheter

1980-05-29

1981-12-22

Pinkham, Richard C.

Surgery

Truss

Pad

128348, A61M 2500

Patent

active

043065660

ABSTRACT:
A catheter for injecting a contrast medium in the biliary tract as part of the surgical procedure in gallstone removal and related procedures. The cholangiogram catheter utilizes a small section of plastic tubing to which is attached a stainless steel conical tip. To the opposite end of the plastic tubing is secured a syringe adapter for receiving the tip of an injection syringe frequently utilized by doctors and nurses. In assembling the device, a ligature gap is created adjacent the flare of the conical tip to facilitate an effective closing of a duct adjacent the conical tip and plastic tubing.

REFERENCES:
patent: 504424 (1893-09-01), Pezzer
patent: 1045326 (1912-11-01), Ruflin
patent: 1888349 (1932-11-01), Jacoby
patent: 2976865 (1961-03-01), Shipley
patent: 3958557 (1976-05-01), Sharp et al.
patent: 4116227 (1978-09-01), Eisenberg et al.
patent: 4122858 (1978-10-01), Schiff
patent: 4173228 (1979-11-01), Steenwyk

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