Title:
OPTICAL ZOOMING DEVICE USING TORQUE TRANSMISSION, AND ENDOSCOPE
Document Type and Number:
WIPO Patent Application WO/2022/227884
Kind Code:
A1
Abstract:
Provided in the present invention are an optical zooming device using torque transmission, and an endoscope. The optical zooming device comprises a transmission apparatus, a zooming mechanism and a control mechanism. The zooming mechanism comprises a lens barrel, a zooming base and a zooming lens, wherein the zooming base is mounted on the lens barrel and can move back and forth on the lens barrel, and the zooming lens is connected to the zooming base; the transmission apparatus can be bent; the control mechanism is connected to one end of the transmission apparatus, and one end of the transmission apparatus is rotated by means of the control mechanism; and when one end of the transmission apparatus rotates, the other end of the transmission apparatus rotates, and the other end of the transmission apparatus drives the zooming base to move back and forth. The advantageous effects of the present invention are: compared with an existing mode, the optical zooming device of the present invention has the advantages of linear progressive zooming, no interference from the external environment, and less requirements regarding an operation space.
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Inventors:
XIONG QIAOZHOU (CN)
BAI XIAOSONG (CN)
DU CHENXIAO (CN)
BAI XIAOSONG (CN)
DU CHENXIAO (CN)
Application Number:
PCT/CN2022/080120
Publication Date:
November 03, 2022
Filing Date:
March 10, 2022
Export Citation:
Assignee:
INNERMEDICAL CO LTD (CN)
International Classes:
A61B1/00
Foreign References:
| CN113180575A | 2021-07-30 | |||
| CN214712488U | 2021-11-16 | |||
| CN112493971A | 2021-03-16 | |||
| JP2000206422A | 2000-07-28 | |||
| US20020123664A1 | 2002-09-05 | |||
| JP2000210249A | 2000-08-02 | |||
| CN207742400U | 2018-08-17 | |||
| CN110772206A | 2020-02-11 | |||
| CN111528771A | 2020-08-14 | |||
| JPH10165358A | 1998-06-23 |
Attorney, Agent or Firm:
SZ KINDWALF INTELLECTUAL PROPERTY FIRM (CN)
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