Cholangiography catheter apparatus and method

Details Cholangiography catheter apparatus and method Cholangiography catheter apparatus and method

1992-09-22

1993-08-17

Yasko, John D.

Surgery

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

Treating material introduced into or removed from body...

604 49, 604164, 604247, 604280, 604284, 128655, 128658, A61M 2500, A61B 600

Patent

active

052364178

ABSTRACT:
A cholangiography catheter for injecting dye into a cystic duct during laparoscopic cholangiography. The catheter includes a bifurcated connector having a length of tubing and a check valve mounted to each arm of the connector. A saline syringe is coupled to one check valve and a dye syringe is coupled to the other check valve. The check valves and respective syringes are color coordinated to preclude inadvertently using the wrong syringe. The catheter is fabricated from a medical grade polymer having a preselected degree of compliant memory and includes indicia for providing a visual indication of the depth of penetration of the tip of the catheter into the cystic duct.

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patent: 4867742 (1989-09-01), Calderon
patent: 4915688 (1990-04-01), Bischof et al.
patent: 4919651 (1990-04-01), Doane

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