Title:
DISPLACEMENT DETECTION DEVICE AND HAPTIC DETECTION DEVICE
Document Type and Number:
WIPO Patent Application WO/2024/085021
Kind Code:
A1
Abstract:
This displacement detection device 2 comprises: a treatment wire 51 to which tension is applied; a light guide member 70 that extends along the treatment wire 51 and is attached to the treatment wire 51, the light guide member 70 having a first end surface 71 perpendicular to the extension direction and having a function for guiding light; a reflection member 80 that is attached to the treatment wire 51, the reflection member 80 having a second end surface 81 that faces the first end surface 71 and having a function for reflecting, at the second end surface 81, light emitted by the first end surface 71; and a displacement calculation unit 61 for optically calculating, using interference of light, any change in the distance d between the first end surface 71 and the second end surface 81 between before and after tension is applied.
Inventors:
MATSUNAGA TADAO (JP)
MORIZANE SHUICHI (JP)
UEKI MASARU (JP)
LEE SANG-SEOK (JP)
TAKENAKA ATSUSHI (JP)
MORIZANE SHUICHI (JP)
UEKI MASARU (JP)
LEE SANG-SEOK (JP)
TAKENAKA ATSUSHI (JP)
Application Number:
PCT/JP2023/036739
Publication Date:
April 25, 2024
Filing Date:
October 10, 2023
Export Citation:
Assignee:
NAT UNIV CORP TOTTORI UNIV (JP)
International Classes:
A61B1/00; A61B17/29
Domestic Patent References:
| WO2005072166A2 | 2005-08-11 |
Foreign References:
| US20160100906A1 | 2016-04-14 | |||
| US20190351180A1 | 2019-11-21 | |||
| JP2021041038A | 2021-03-18 |
Attorney, Agent or Firm:
YAMAO, Norihito et al. (JP)
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