Apparatus for monitoring fetal heartbeat and the like
US4437467A · kind A · utility
31Cited by
6References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 11, 1981 |
| Grant date | Mar 20, 1984 |
| Priority date | — |
| Expiry date | Dec 11, 2001 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B5/288
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An apparatus for use in monitoring fetal heartbeat and the like. The apparatus includes a tubular member having a distal end adapted to be inserted through the vagina and cervix of a woman in labor. A coil is movably mounted in the tubular member and is adapted to be rotatably attached to the fetus. A linear to rotary converter is provided for applying a rotary force to turn the coil for attaching to the fetus in response to the linear force applied by a user to the additional elements and additional means serve to yieldably r esist the linear force applied by the user.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.