Endoscope for bile duct and pancreatic duct

Details Endoscope for bile duct and pancreatic duct Endoscope for bile duct and pancreatic duct

1989-04-03

1990-12-25

Grieb, William H.

Surgery

Truss

Perineal

A61B 100

Patent

active

049794965

ABSTRACT:
An endoscope for bile duct and pancreatic duct of double scope system including a mother endoscope having an insertion unit to be inserted into duodenum and a daughter endoscope having an insertion unit to be inserted via papilla through a forceps channel of the insertion unit.
The endoscope is provided with a flexible guide tube to be inserted into bile duct and pancreatic duct through a forceps channel from the insertion hole of the mother endoscope, and the insertion unit of the daughter endoscope can be inserted into this guide tube. Further, the endoscope is provided with a core bar, which is removably mounted on one end of the guide tube and is designed to be of such length that its tip does not protrude from the tip of the guide tube when it is inserted into the guide tube.

REFERENCES:
patent: 3643653 (1972-02-01), Takahashi et al.
patent: 4586491 (1986-05-01), Carpenter

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