JP2015008955A5 - - Google Patents
Download PDFInfo
- Publication number
- JP2015008955A5 JP2015008955A5 JP2013137433A JP2013137433A JP2015008955A5 JP 2015008955 A5 JP2015008955 A5 JP 2015008955A5 JP 2013137433 A JP2013137433 A JP 2013137433A JP 2013137433 A JP2013137433 A JP 2013137433A JP 2015008955 A5 JP2015008955 A5 JP 2015008955A5
- Authority
- JP
- Japan
- Prior art keywords
- cornea
- intraocular pressure
- measuring
- eye
- hysteresis
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 210000004087 Cornea Anatomy 0.000 claims 7
- 230000004410 intraocular pressure Effects 0.000 claims 5
- 230000001678 irradiating Effects 0.000 claims 1
Claims (3)
前記超音波によって変形される角膜の変形量と変形速度を測定するための測定手段と、
前記測定手段によって測定された前記変形量と前記変形速度に基づいて、前記被検眼の眼圧を算出する眼圧算出手段と、を備えることを特徴とする非接触式超音波眼圧計。 A vibrator that emits ultrasonic waves for minutely deforming the eye cornea to be examined;
A measuring means for measuring a deformation amount and a deformation speed of the cornea deformed by the ultrasonic wave,
A non-contact ultrasonic tonometer comprising: an intraocular pressure calculating unit that calculates an intraocular pressure of the eye to be examined based on the deformation amount and the deformation speed measured by the measuring unit.
前記測定手段によって測定された前記変形速度に基づいて、前記角膜のヒステリシスを算出するヒステリシス算出手段を備え、
前記眼圧算出手段は、前記角膜の変形量と、前記ヒステリシス算出手段によって算出された前記ヒステリシスと、に基づいて前記被検眼の眼圧を算出する非接触式超音波眼圧計。 The non-contact ultrasonic tonometer according to claim 1, further comprising hysteresis calculating means for calculating hysteresis of the cornea based on the deformation speed measured by the measuring means,
The non-contact ultrasonic tonometer calculates the intraocular pressure of the eye to be examined based on the deformation amount of the cornea and the hysteresis calculated by the hysteresis calculating unit.
前記振動子を制御し、前記角膜に対してパルス波を連続的に照射することによって角膜を振動させるための制御手段を備え、
前記眼圧算出手段は、振動中における角膜の変形量と変形速度に基づいて前記被検眼の眼圧を測定するための非接触式超音波眼圧計。
The non-contact ultrasonic tonometer according to claim 1,
Control means for controlling the vibrator and vibrating the cornea by continuously irradiating the cornea with a pulse wave;
The intraocular pressure calculating means is a non-contact ultrasonic tonometer for measuring intraocular pressure of the eye to be examined based on a deformation amount and a deformation speed of the cornea during vibration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013137433A JP6236928B2 (en) | 2013-06-28 | 2013-06-28 | Non-contact ultrasonic tonometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013137433A JP6236928B2 (en) | 2013-06-28 | 2013-06-28 | Non-contact ultrasonic tonometer |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2015008955A JP2015008955A (en) | 2015-01-19 |
| JP2015008955A5 true JP2015008955A5 (en) | 2016-08-12 |
| JP6236928B2 JP6236928B2 (en) | 2017-11-29 |
Family
ID=52302691
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2013137433A Active JP6236928B2 (en) | 2013-06-28 | 2013-06-28 | Non-contact ultrasonic tonometer |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP6236928B2 (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3344116A1 (en) * | 2015-09-03 | 2018-07-11 | Photono Oy | Method and arrangement for eye measurements |
| US20190192115A1 (en) * | 2016-05-08 | 2019-06-27 | The Cleveland Clinic Foundation | Measurement of biomechanical properties of tissue |
| JP2020005678A (en) * | 2018-07-02 | 2020-01-16 | 株式会社ニデック | Ultrasonic tonometer |
| WO2020009130A1 (en) * | 2018-07-02 | 2020-01-09 | 株式会社ニデック | Ultrasonic tonometer |
| JP7268298B2 (en) * | 2018-08-01 | 2023-05-08 | 株式会社ニデック | ultrasonic tonometer |
| JP7192272B2 (en) * | 2018-07-02 | 2022-12-20 | 株式会社ニデック | ultrasonic tonometer |
| JP7259599B2 (en) * | 2019-07-03 | 2023-04-18 | 株式会社ニデック | ultrasonic tonometer |
| EP4011275A4 (en) * | 2019-08-05 | 2023-06-14 | Nidek Co., Ltd. | Ultrasonic ophthalmic tonometer |
| JPWO2021024764A1 (en) * | 2019-08-05 | 2021-02-11 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60227729A (en) * | 1984-04-27 | 1985-11-13 | キヤノン株式会社 | Tonometer |
| JPS61122838A (en) * | 1984-11-19 | 1986-06-10 | 株式会社トプコン | Non-contact type tonometer |
| JPS63203131A (en) * | 1987-02-18 | 1988-08-23 | キヤノン株式会社 | Tonometer |
| JP3862869B2 (en) * | 1998-06-05 | 2006-12-27 | 株式会社トプコン | Non-contact tonometer |
-
2013
- 2013-06-28 JP JP2013137433A patent/JP6236928B2/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP2015008955A5 (en) | ||
| WO2015193917A3 (en) | Method and system for cuff-less blood pressure (bp) measurement of a subject | |
| JP2017506110A5 (en) | ||
| JP2016538006A5 (en) | ||
| EP2759242A3 (en) | Robot cleaner and control method thereof | |
| RU2018114474A (en) | DEVICES AND METHODS FOR INCREASING THE EFFECTIVENESS OF LOCAL APPLICATION OF USEFUL AGENT | |
| WO2015048714A8 (en) | System and method of controlling a robotic system for manipulating anatomy of a patient during a surgical procedure | |
| WO2015119715A3 (en) | Method and apparatus for ultrasonic eye cleaner | |
| EP2698686A3 (en) | Wrist-wearable terminal and control method thereof | |
| WO2014168908A3 (en) | Intelligent actuator and method of monitoring actuator health and integrity | |
| JP2016534324A5 (en) | ||
| JP2013152227A5 (en) | ||
| WO2015023820A3 (en) | Health monitoring of an energy storage device | |
| JP2014004375A5 (en) | ||
| EP2857834A3 (en) | Ultrasonic pipe measurement apparatus | |
| WO2016092366A3 (en) | Systems and methods for optimizing transskull acoustic treatment | |
| JP2014147570A5 (en) | ||
| JP2015500461A5 (en) | ||
| JP2013220288A5 (en) | ||
| GB2538029A (en) | Density measurement using a piezoelectric sensor in a non-compressible medium | |
| EP2661105A3 (en) | A system and apparatus for controlling a device with a bone conduction transducer | |
| CN105640593B (en) | It is a kind of for measuring the elasticity measuring device of viscoelastic medium | |
| JP2019513502A (en) | Ultrasonic apparatus and mechanical vibration generator | |
| EP3522565A4 (en) | Resin material for acoustic wave probe, acoustic lens, acoustic wave probe, acoustic wave measurement device, ultrasonic diagnostic device, photoacoustic measurement device, and ultrasonic endoscope | |
| WO2013056384A3 (en) | Method and device for monitoring biomechanical properties of the eye |