Marker for exposure side of medical radiograph included with patient identification data
US5195122A · kind A · utility
85Cited by
5References
17Claims
0Family size
Inventor
Key dates
| Filing date | Jan 24, 1992 |
| Grant date | Mar 16, 1993 |
| Priority date | — |
| Expiry date | Jan 24, 2012 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03B42/047
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A chirally asymmetric marking on a sheet of radiographic film, positively identifies the side of the film sheet facing the front of an x-ray cassette during radiographic exposure. The marking is permanent and is accomplished automatically in an inexpensive, convenient and highly reliable manner.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.