Threaded flexible guide tube for endoscope

Details Threaded flexible guide tube for endoscope Threaded flexible guide tube for endoscope

1992-07-31

1993-11-16

Apley, Richard J.

Surgery

Truss

Perineal

A61B 100

Patent

active

052613917

ABSTRACT:
There is disclosed an endoscope having a guide tube for guiding a forceps or the like. The guide tube connects an inlet port of a body to an outlet port of a tip member. A tubular connection portion extends rearwardly from a rear end face of the tip member. External threads are formed on an outer periphery of the connection portion. The inner diameter of the guide tube is greater than the inner diameter of the outlet port. Internal threads are formed on the inner periphery of the front end portion of the guide tube. The external threads on the connection portion are threadedly engaged with the internal threads on the guide tube to connect the front end portion of the guide tube to the outer periphery of the connection portion.

REFERENCES:
patent: 3960143 (1976-06-01), Terada
patent: 4419987 (1983-12-01), Ogiu
patent: 4771766 (1988-09-01), Aoshiro et al.
patent: 4875468 (1989-10-01), Krauter et al.
patent: 4895138 (1990-01-01), Yabe
patent: 4928699 (1990-05-01), Sasai
patent: 4967732 (1990-11-01), Inoue
patent: 4972828 (1990-11-01), Ito

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