Endoscope with flexible tip control

Details Endoscope with flexible tip control Endoscope with flexible tip control

1977-12-30

1981-01-20

Bratlie, Steven A.

Surgery

Truss

Perineal

128349R, 128772, 128DIG9, A61B 100

Patent

active

042456240

ABSTRACT:
An endoscope has a control section and a tube section connected to the control section to be conducted into the body cavity, wherein a channel running through the tube section contains a guide tube which is made flexible along the entire length or near the distal end portion, and reciprocates through the channel, thereby causing the distal end portion of the guide tube to be pushed out of or be withdrawn into the distal end portion of the tube section, a wire, one end of which is fixed to the distal end of the guide tube is received in the tube section so as to be pulled toward the control section, and the distal end portion of the guide tube pushed out of the distal end of the tube section can be freely flexed by the pulling force of the wire.

REFERENCES:
patent: 1219049 (1917-03-01), Sticklin
patent: 1741740 (1929-12-01), Sederholm et al.
patent: 2129391 (1938-09-01), Wappler
patent: 2753869 (1956-07-01), Muffly
patent: 3027098 (1962-03-01), Helmer
patent: 3119392 (1964-01-01), Zeiss
patent: 3332425 (1967-07-01), Luborsky et al.

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