Self-propelled colonoscope

Details Self-propelled colonoscope Self-propelled colonoscope

1998-12-08

2000-06-06

Leubecker, John P.

Surgery

Endoscope

With guide means for body insertion

600101, 600152, A61B 101

Patent

active

060712341

ABSTRACT:
A self-propelled colonoscope comprises control part and an insertion tube including a distal part, a bending part, and a flexible part. The distal part is equipped with an image pickup element. Two or more endless belts each of which is circular in cross section extend along the surface of the flexible part from a guide hole positioned at a distance of less than 3 cm from the distal end of the flexible part to the control part. The endless belts are driven by a driving mechanism located at the control part. They are guided from the inner surface of the flexible part to the outer surface through the guide hole. The endless belts are held by guide hooks which are arranged on the outer surface of the flexible part. The length of each endless belt is equal to about 105% to 150% of an imaginary endless belt fully tensioned and extending from said control part to a respective guide hole. The colonoscope can be easily, safely and rapidly inserted into the colon without causing pain to a patient.

REFERENCES:
patent: 4066071 (1978-01-01), Nagel
patent: 4176662 (1979-12-01), Frazer
patent: 4561427 (1985-12-01), Takada
patent: 5345925 (1994-09-01), Allred, III et al.
patent: 5562601 (1996-10-01), Takada

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