Systems, devices and methods of making prosthetic implants having self-sealing membranes for closing punctures and preventing leaks
US12059341B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 18, 2022 |
| Grant date | Aug 13, 2024 |
| Priority date | — |
| Expiry date | Jul 28, 2042 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29L2031/7532
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A method of making a self-sealing membrane for a prosthetic implant includes applying tension to a first layer of a cured elastomeric material to stretch the first layer, and while the first layer remains stretched, applying a second layer of an uncured elastomeric material over a first major surface of the first layer. After the second layer is cured, the tension on the first layer is released, whereupon the first layer returns to a non-stretched configuration for holding the second layer in contraction. The method includes, while the first layer remains stretched, applying a third layer of an uncured elastomeric material over a second major surface of the first layer. After curing the second and third layers, tension is released from the first layer, which returns to the non-stretched configuration for holding the second and third layers in contraction.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.