Inflatable cerivical pessary
US5065772A · kind A · utility
92Cited by
11References
5Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 13, 1989 |
| Grant date | Nov 19, 1991 |
| Priority date | — |
| Expiry date | Oct 13, 2009 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F6/146
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A cervical pressary having a central stem with a passage from end to end thereof. A distal retainer is provided at the distal end of the stem, and a proximal retainer at the other end. The retainer are flexible and distensible. They are connected to each other through the stem passage, and are inflatable by fluid injected into them. A leaflet-type fill valve passes through the wall of the proximal retainer. Th fill valve closes when outside pressure is exerted on the leaflets. The fill valve can be physically opened by insertion of a fill tube into it.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.