Gastric constriction device
US7758493B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Oct 22, 2004 |
| Grant date | Jul 20, 2010 |
| Priority date | — |
| Expiry date | Jan 20, 2029 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F5/0086
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A gastric constriction device (160) comprises a sheet (131) extending over part of the wall of the stomach (24). Five bands (151) extend around the stomach (24) to fix the sheet (131) in position relative to the stomach (24). The lower two bands (151) extend from the first side (152) of the sheet (131) around the stomach (24) only partially towards the second side (153). These lower two bands (151) are not fixed to the second side (153). This arrangement results in an unconstricted portion of the stomach (161). In this manner, the device (160) restricts expansion of the majority of the stomach wall while facilitating expansion of this unconstricted portion (161). The unconstricted portion (161) is therefore free to expand or bulge outwardly upon ingestion. This expansion may trigger the feeling of satiation due to the presence of the vagal nerves in this portion (161) of the stomach (24).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.