Patent · US Expired

Post-operative knee rehabilitative dynamometer

US5131408A · kind A · utility

10Cited by
9References
11Claims
0Family size

Inventor

Key dates

Filing dateJul 23, 1990
Grant dateJul 21, 1992
Priority date
Expiry dateJul 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.