Dynamic pressure relieving mattresses
US7559106B1 · kind B1 · utility
8Cited by
47References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 22, 2006 |
| Grant date | Jul 14, 2009 |
| Priority date | — |
| Expiry date | Dec 22, 2026 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61G7/05715
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An ergonomic passive support surface comprising a set of foam support elements and a pressure equalization layer which is preferably a fibrous fill material layer or foam layer. Pressure distribution is controlled by the characteristics and shape of a foam material. Preferably, the foam material is provided as a set of transverse oriented cylindrical sections, selected for desired support characteristics.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.