Suspension liner system with seal
US8034120B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 18, 2007 |
| Grant date | Oct 11, 2011 |
| Priority date | — |
| Expiry date | Apr 27, 2029 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F2210/0057
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A suspension liner sleeve adapted to provide an interface between a residual limb and a prosthetic socket, and having outer and inner surfaces. The liner sleeve includes an elongate, generally conical body portion formed from at least one material segment defining the liner outer surface. The at least one material segment being at least radially elastically extensible from a relaxed non-extended condition and including proximal and distal end areas. The liner sleeve includes a layer of polymeric material disposed on the at least one material segment and defining the liner sleeve inner surface, and a plurality of resilient seal elements protruding radially from the liner sleeve outer surface. The plurality of seal elements extend around at least one peripheral portion of the liner body portion. A pair of opposed annular recesses may be adjacently located above and below each of the at least one seal element.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.