Fail-safe muscle stimulator device
US4539993A · kind A · utility
31Cited by
2References
2Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 18, 1982 |
| Grant date | Sep 10, 1985 |
| Priority date | — |
| Expiry date | Nov 18, 2002 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61N1/3604
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A tissue stimulator of the type which provides short intervals of stimulation followed by longer intervals of rest is provided with a fail-safe system for turning off the stimulator if the stimulation interval exceeds a predetermined maximum interval. A timer times each "on" interval. If the "on" interval exceeds the predetermined maximum, the timer times out and shuts off stimulation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.