Implants having gel zones with higher levels of cohesiveness for eschewing scalloping, dimpling, and wrinkling
US11471268B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 25, 2020 |
| Grant date | Oct 18, 2022 |
| Priority date | — |
| Expiry date | Oct 27, 2040 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F2250/0003
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An implantable prosthesis includes a silicone shell having an apex, a base, a radius located between the apex and the base, and a dome extending between the apex and the radius. The silicone shell has an outer surface and an inner surface that surrounds an interior volume of the silicone shell. A silicone gel material is disposed within the interior volume of the silicone shell. A gelling enhancer layer containing a gelling enhancer covers the inner surface of the silicone shell. After the silicone gel material has been thermally cured, the silicone gel material that is located within a zone that is in the vicinity of the gelling enhancer layer has a higher level of cohesiveness than the silicone gel material that is located outside the zone. The gelling enhancer contains crosslinker and/or platinum catalyst, such as a Karstedt catalyst.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.