Size-variable intrauterine pressay and contraceptive device
US4724832A · kind A · utility
Inventors
Key dates
| Filing date | Apr 17, 1986 |
| Grant date | Feb 16, 1988 |
| Priority date | — |
| Expiry date | Apr 17, 2006 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F6/144
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A size-variable intrauterine pessary for adapting to the uterine cavity geometry, which has a rod part with flexible side arms and made from plastic, a coil, more particularly of copper, being optionally wound around the rod part, which has a fastening device for a thread and in which fitting takes place directly in the uterine cavity and which is characterized in that the rod part comprises a body and a control cylinder, that the body is forcibly coupled with the control cylinder, that through the forcible coupling the control cylinder can be moved against the body in the direction of its longitudinal axis and that the rod part has a coupling part into which snaps a fitting device during fitting and said device can be removed again after fitting. By turning the control cylinder following insertion, the spreading apart of the side arms can be adapted in random manner to the uterine cavity geometry.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.