Title:
PRESSURE MEASURING DEVICE AND PRESSURE MEASUREMENT METHOD
Document Type and Number:
Japanese Patent JP2019052936
Kind Code:
A
Abstract:
To provide technology for eliminating the effect of tension of a measurement object and measuring an accurate pressure value when performing pressure measurement by a tonometry method using a pressure sensor equipped with a diaphragm.SOLUTION: A pressure measuring device 1 relating to the present invention measures the internal pressure of a measurement object provided with a surface layer having an internal space filled with fluid and a curved surface, the device comprising: a pressure sensor 111 provided with a diaphragm 111A; pressing means 12 for pressing the pressure sensor against the measurement object; and control means for performing various computations and controlling the working of the device. The control means acquires a displacement value y in the normal direction of the diaphragm on a contact surface of the pressure sensor with the measurement object, and eliminates the effect of tension T acting on the measurement object on the basis of the acquired displacement value.SELECTED DRAWING: Figure 7
Inventors:
NAKAGAWA SHINYA
Application Number:
JP2017177133A
Publication Date:
April 04, 2019
Filing Date:
September 14, 2017
Export Citation:
Assignee:
OMRON HEALTHCARE CO LTD
International Classes:
G01L7/00; A61B5/022; G01L11/00; G01L19/06
Domestic Patent References:
| JPH0234146A | 1990-02-05 | |||
| JPS63293424A | 1988-11-30 | |||
| JP2012130362A | 2012-07-12 |
Foreign References:
| WO1994016616A1 | 1994-08-04 |
Attorney, Agent or Firm:
Takehiko Sekine
Takeshi Nakamura
Katsuhiko Imahori
Mayuko Wakuda
Hironobu Yazawa
Takeshi Nakamura
Katsuhiko Imahori
Mayuko Wakuda
Hironobu Yazawa