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Patent Searching and Data


Title:
MICROSURGERY AUXILIARY DEVICE
Document Type and Number:
WIPO Patent Application WO/2022/062383
Kind Code:
A1
Abstract:
A microsurgery auxiliary device, comprising a mirror body (1) and a naked eye 3D display (2), the mirror body (1) being internally provided with an imaging unit (10); the imaging unit (10) comprises a large objective lens group (11), zoom lens groups (12), first tube objective lenses (13) and photosensitive elements (14); the large objective lens group (11), the zoom lens groups (12), the first tube objective lenses (13) and the photosensitive elements (14) are sequentially located in the same observation optical path; the large objective lens group (11) comprises at least one positive lens group (111) and at least one negative lens group (112), the positive lens group (111) and the negative lens group (112) are on the same optical axis, and the spacing between the positive lens group (111) and the negative lens group (112) can be adjusted; the naked eye 3D display (2) is connected to the photosensitive elements (14), the spacing between the naked eye 3D display (2) and an observer (5) is 400-1200 mm, and the viewing angle range of the naked eye 3D display (2) is not less than 120 degrees. Observers can directly perform surgical operations by observing the naked eye 3D display (2), the overall structure of the device is simple, and system delay is small.

Inventors:
WANG JILONG (CN)
HE JIN (CN)
LI JIANYUE (CN)
DU LEI (CN)
ZHU CHENGJIE (CN)
Application Number:
PCT/CN2021/089570
Publication Date:
March 31, 2022
Filing Date:
April 25, 2021
Export Citation:
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Assignee:
ZUMAX MEDICAL CO LTD (CN)
International Classes:
A61B90/20; A61B90/25; G02B21/22
Foreign References:
CN112220568A2021-01-15
US20140340501A12014-11-20
CN105319696A2016-02-10
CN108135740A2018-06-08
CN106842532A2017-06-13
CN110892305A2020-03-17
JP2018194698A2018-12-06
CN103364934A2013-10-23
CN101842731A2010-09-22
US5657128A1997-08-12
CN109147913A2019-01-04
CN111045202A2020-04-21
Other References:
See also references of EP 4212124A4
Attorney, Agent or Firm:
SUZHOU JIANLI INTELLECTUAL PROPERTY AGENCY CO., LTD. (CN)
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