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Patent Searching and Data


Title:
OPTICAL FIBER SCANNER, LIGHTING DEVICE AND OBSERVATION DEVICE
Document Type and Number:
WIPO Patent Application WO/2020/044528
Kind Code:
A1
Abstract:
This optical fiber scanner (1) comprises: an optical fiber (2) through which illumination light is guided and from the tip (2a) of which the illumination light is emitted; and an oscillation part (3) that causes the tip (2a) of the optical fiber (2) to oscillate in a direction intersecting the long axis of the optical fiber (2). The oscillation part (3) comprises: a flat-plate-shaped elastic body (4) that holds the optical fiber (2) which traverses therethrough in the plate thickness direction; and, on at least one of the end surfaces of the elastic body (4) in the plate thickness direction, an electromechanical conversion element (5) that can expand and contract in at least three directions intersecting with the long axis.

Inventors:
TAKIZAWA HIROYUKI (JP)
Application Number:
PCT/JP2018/032308
Publication Date:
March 05, 2020
Filing Date:
August 31, 2018
Export Citation:
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Assignee:
OLYMPUS CORP (JP)
International Classes:
A61B1/00
Domestic Patent References:
WO2016185787A12016-11-24
WO2017094050A12017-06-08
Foreign References:
JP2018015110A2018-02-01
Attorney, Agent or Firm:
UEDA, Kunio et al. (JP)
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