Self-sealing valve for implantable device
US5019101A · kind A · utility
Inventors
Key dates
| Filing date | May 31, 1989 |
| Grant date | May 28, 1991 |
| Priority date | — |
| Expiry date | May 31, 2009 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/3584
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A valve for use in a fluid fillable and implantable device in cooperation with a fill tube includes a main body portion having a channel for receiving the fill tube and wherein the main body portion has an unevenly stressed section that includes a selected section of the channel and wherein the unevenly stressed section is stressed so that the selected section of the channel folds back occluding the channel when the fill tube is withdrawn. The valve also includes a gel-filled chamber in which the main body portion is disposed. The main body portion includes a free end that is occluded by the gel once the fill tube has been withdrawn from the fill tube channel.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.