Intra-oral measurement device and intra-oral measurement system
US8279450B2 · kind B2 · utility
93Cited by
13References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 26, 2010 |
| Grant date | Oct 2, 2012 |
| Priority date | — |
| Expiry date | Jan 15, 2031 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61C9/0053
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
The present invention aims to provide an intra-oral measurement device and an intra-oral measurement system capable of measuring an inside of an oral cavity at high accuracy without increasing a size of the device, and includes a light projecting unit for irradiating a measuring object including at least a tooth within an oral cavity with light, a lens system unit for collecting light reflected by the measuring object, a focal position varying mechanism for changing a focal position of the light collected by the lens system unit, and an imaging unit for imaging light passed through the lens system unit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.