Endoscope with bend angle control

Details Endoscope with bend angle control Endoscope with bend angle control

1979-12-07

1981-06-16

Michell, Robert W.

Surgery

Truss

Perineal

128660, 128772, 128DIG9, 2541343FT, 356241, A61B 106, A61M 2500

Patent

active

042731119

ABSTRACT:
An endoscope which comprises a distal end portion (14) containing an observation optical system, a flexible tube (10), and a freely bendable section (12). In the endoscope a plurality of supersonic transducers (20) are spatially arranged on the peripheral wall of the distal end portion, and a bend angle control device (100) is further provided which controls the angle through which the freely bendable section is to be bent in accordance with output data from the plural supersonic transducers in order to direct the distal end portion to the substantial center of the cross section of, for example, the large intestine. The distal end portion is automatically directed to the substantial center of the large intestine in order to prevent the distal end portion from forcefully pressing the inner wall of the large intestine.

REFERENCES:
patent: 3744906 (1973-07-01), Sato et al.
patent: 3817089 (1974-06-01), Eggleton et al.
patent: 4054128 (1977-10-01), Seufert et al.
patent: 4176662 (1979-12-01), Frazer
patent: 4199258 (1980-04-01), Dau

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