Electrocardiographic storage system using a rotating film drum
US4331159A · kind A · utility
3Cited by
11References
25Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 31, 1979 |
| Grant date | May 25, 1982 |
| Priority date | — |
| Expiry date | Dec 31, 1999 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B5/338
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A system and method for visually recording an ECG signal in a helical track about a cylindrical record. The "R" wave of each heart beat is detected and utilized to synchronize the first recorded heart beat pulse of each line. Imaging on the record is by optical exposure of a photographic recording medium.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.