Patent · US Active

Vacuum system for a prosthetic foot

US11020248B2 · kind B2 · utility

1Cited by
80References
19Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 1, 2019
Grant dateJun 1, 2021
Priority date
Expiry dateJul 5, 2039

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61F2002/802
  • WIPO fieldMedical technology
  • WIPO sectorInstruments

Abstract

A prosthetic foot comprising a vacuum system configured to attach to a vacuum attachment apparatus and a residual limb. The prosthetic foot may comprise a resilient bottom member, a resilient top member, and a vacuum system. The resilient bottom member may comprise a front end and a rear end. The resilient top member may comprise a front end and a rear end and the front end of the resilient top member may be connected to the front end of the resilient bottom member. The vacuum system may be coupled to an underside of the rear end of the top member. The vacuum system may comprise a compressible member, a chamber located within the compressible member, a universal valve system received within the compressible member, a passageway connecting the valve system and the chamber, and an air return coupled to the valve system and the vacuum attachment apparatus.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.