Endoscope with flexible tip control
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jan 20, 1981
Grant Date -
N/A
app pub date -
Dec 30, 1977
filing date -
Jan 20, 1977
priority date (Note) -
Expired
status (Latency Note)
Importance
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reciprocates through the channel, thereby causing the distal end portion of the guide tube to be pushed out of or be withdrawn into the distal end portion of the tube section, a wire, one end of which is fixed to the distal end of the guide tube is received in the tube section so as to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.
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