Method for recording foetal movements during pregnancy and apparatus for carrying out the said method
US4809702A · kind A · utility
4Cited by
4References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 10, 1987 |
| Grant date | Mar 7, 1989 |
| Priority date | — |
| Expiry date | Nov 10, 2007 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B5/6831
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A method and an apparatus for recording foetal movements comprising a pick-up which forms part of an ultrasonic transducer connected, on the one hand, to an electric wave emitter device and, on the other hand, to a device for receiving and analyzing the electric waves obtained from the ultrasonic waves which have been reflected by the foetus and received by the transducer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.