JPS6462118A - Air stream spray apparatus of non-contact type ocular tonometer - Google Patents
Air stream spray apparatus of non-contact type ocular tonometerInfo
- Publication number
- JPS6462118A JPS6462118A JP62216531A JP21653187A JPS6462118A JP S6462118 A JPS6462118 A JP S6462118A JP 62216531 A JP62216531 A JP 62216531A JP 21653187 A JP21653187 A JP 21653187A JP S6462118 A JPS6462118 A JP S6462118A
- Authority
- JP
- Japan
- Prior art keywords
- chamber
- air
- supplied
- sucked
- gas
- 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.)
- Pending
Links
Landscapes
- Eye Examination Apparatus (AREA)
Abstract
PURPOSE:To prevent the sucking of the tear or dust in air dispersed by the spray of a measuring gas stream, by providing a gas supply means for supplying gas separate from the measuring gas in a chamber. CONSTITUTION:At first, the compressed air supplied to an air tank 30 by a compressor P is supplied to a chamber 26 to make the internal pressure thereof positive. Next, when the rod 34 of a linear DC motor 31 is allowed to advance toward a compression chamber 14, a piston 11 is raised to compress the measuring air in the compression chamber 14 and the compressed air is supplied to the chamber 26 to be blown out toward an eye H to be examined from am nozzle 24. After the finish of blowing-off, the robot 34 of a linear DC motor 32 is sucked toward a bobbin 32 and the piston 11 falls to reduce the pressure in the compression chamber 14 and the gas in the chamber 26 is sucked in a cylinder 10. At this time, clean air is supplied to the chamber 26 from the air tank 30 and, therefore, the tear or dust in air dispersed by the spray from the nozzle 27 is not sucked-in.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62216531A JPS6462118A (en) | 1987-09-01 | 1987-09-01 | Air stream spray apparatus of non-contact type ocular tonometer |
| US07/234,043 US5048526A (en) | 1987-08-20 | 1988-08-19 | Gas jet shooting device for use with a non-contact tonometer |
| US07/731,972 US5165408A (en) | 1987-08-20 | 1991-07-18 | Gas jet shooting device for use with a non-contact tonometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62216531A JPS6462118A (en) | 1987-09-01 | 1987-09-01 | Air stream spray apparatus of non-contact type ocular tonometer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6462118A true JPS6462118A (en) | 1989-03-08 |
Family
ID=16689892
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62216531A Pending JPS6462118A (en) | 1987-08-20 | 1987-09-01 | Air stream spray apparatus of non-contact type ocular tonometer |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6462118A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009536844A (en) * | 2006-05-12 | 2009-10-22 | コンスタンティノヴィッチ ピレツスキー、ゲンナディ | A device that measures intraocular pressure through the eyelids |
| CN113842109A (en) * | 2021-09-01 | 2021-12-28 | 四川大学华西医院 | Dry eye detection handheld imaging device and dry eye detection equipment |
-
1987
- 1987-09-01 JP JP62216531A patent/JPS6462118A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009536844A (en) * | 2006-05-12 | 2009-10-22 | コンスタンティノヴィッチ ピレツスキー、ゲンナディ | A device that measures intraocular pressure through the eyelids |
| CN113842109A (en) * | 2021-09-01 | 2021-12-28 | 四川大学华西医院 | Dry eye detection handheld imaging device and dry eye detection equipment |
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