Post-operative knee rehabilitative dynamometer
US5131408A · kind A · utility
Inventor
Key dates
| Filing date | Jul 23, 1990 |
| Grant date | Jul 21, 1992 |
| Priority date | — |
| Expiry date | Jul 23, 2010 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA63B2220/56
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
Apparatus for measuring changes in human joint strength includes an open-cell body of flexible foam, an airtight flexible skin sealed about said foam body, with skin having an opening permitting passage of air into and out of the foam body, a hose sealed about the opening to channel air passing in and out of the opening through the hose and a gauge connected to the hose for measuring the force of air passing through the hose upon application of the force against the foam body.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.