Title:
ENDOSCOPE AND ENDOSCOPE SYSTEM
Document Type and Number:
WIPO Patent Application WO/2021/176616
Kind Code:
A1
Abstract:
An endoscope 2, in which the following are held by an end frame 30 forming an end part 10: an objective optical unit 46 having a voice coil motor 60 that uses a plurality of magnets 69f, 69r arranged around a moving lens frame 58 to move the moving lens frame 58 forward and backward in the direction of an optical axis O; and a plurality of internal parts comprising magnetic bodies arranged around the objective optical unit 46, at least one of the plurality of internal objects being positioned so as to at least partly intersect one of straight lines linking the lowermost point of a trough, which is on a specific isomagnetic line 80 of a magnetic field formed by the plurality of magnets 69f, 69r, to each of two inflection points having the trough therebetween.
Inventors:
SUZUKI TAKUJI (JP)
HINO KAZUHIKO
HINO KAZUHIKO
Application Number:
PCT/JP2020/009256
Publication Date:
September 10, 2021
Filing Date:
March 04, 2020
Export Citation:
Assignee:
OLYMPUS CORP (JP)
International Classes:
A61B1/00
Domestic Patent References:
| WO2016166855A1 | 2016-10-20 |
Foreign References:
| JP2015112336A | 2015-06-22 | |||
| JPH0351032A | 1991-03-05 | |||
| JPH0654799A | 1994-03-01 | |||
| JP2000051141A | 2000-02-22 | |||
| JP2000135198A | 2000-05-16 |
Attorney, Agent or Firm:
ITOH-SHIN PATENT OFFICE (JP)
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