Endoscope

Details Endoscope Endoscope

1990-04-17

1990-11-06

Grieb, William H.

Surgery

Truss

Perineal

A61B 100

Patent

active

049677322

ABSTRACT:
An endoscope includes a guide tube assembly for guiding an elongated treatment instrument. The guide tube assembly includes a resin tube whose internal bore serves as a guide channel for the passage of the treatment instrument therethrough. A reinforcement coil is received in a spiral groove formed in the outer peripheral surface of the resin tube. The guide tube assembly further includes a braid tube woven of yarns having low expansion properties. The braid tube covers the resin tube generally over an entire length of the resin tube. The opposite ends of the braid tube are fixed to the oppositre ends of the resin tube, respectively.

REFERENCES:
patent: 4690131 (1987-09-01), Lyddy, Jr. et al.
patent: 4748969 (1988-06-01), Wardle

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