Zoned cellular cushion
US5502855A · kind A · utility
78Cited by
13References
10Claims
0Family size
Inventor
Key dates
| Filing date | Jan 19, 1995 |
| Grant date | Apr 2, 1996 |
| Priority date | — |
| Expiry date | Jan 19, 2015 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S5/944
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An inflatable cushion having a series of separately inflatable zones with tubular conduits leading from each zone beneath or on top of the cushion within the periphery of the cushion to a common manifold spaced outwardly from the front edge of the cushion with a fill tube connected to the manifold and individual cut-off valves or a means to buckle the tubes for each conduit whereby the zones can be filled and bled simultaneously or selectively.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.