Traction force sensing vacuum extractor
US6355047B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 2, 1999 |
| Grant date | Mar 12, 2002 |
| Priority date | — |
| Expiry date | Aug 2, 2019 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2017/447
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A vacuum extractor for use in childbirth is described. The vacuum extractor includes a handle and a vacuum cup with a force sensor coupled to the vacuum extractor. The force sensor measures the traction force applied between the vacuum cup and the handle for assisting the birthing attendant in applying an appropriate traction force. The force sensor may also include a slipping mechanism which causes the length of the force sensor to distinctly increase if the applied traction force exceeds a certain level such as twenty pounds. Thus, the birthing attendant may feel the slipping and thus determine that the traction force has exceeded the certain value.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.