Non-contact tonometer
US5148807A · kind A · utility
89Cited by
5References
15Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 28, 1990 |
| Grant date | Sep 22, 1992 |
| Priority date | — |
| Expiry date | Aug 28, 2010 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B3/165
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A non-contact, non-invasive tonometer utilizing the technique of angle modulation of high frequency sound waves or high frequency light waves to determine the intraocular pressure of an eye. The angle modulation technique can be either frequency modulation or phase modulation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.