Patent · US Active

Locking and unlocking device for a knee prosthesis

US10548746B2 · kind B2 · utility

1Cited by
3References
14Claims
0Family size

Inventor

Key dates

Filing dateJun 13, 2016
Grant dateFeb 4, 2020
Priority date—
Expiry dateOct 27, 2036

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61F2002/6872
  • WIPO fieldMedical technology
  • WIPO sectorInstruments

Abstract

A locking/unlocking device for a knee prosthesis, comprising a femoral section and a tibial section provided with a tibial plate. These two femoral and tibial sections are both rotatably mounted, coaxial about an axis, comprising a disk constituting the femoral section, two left and right flanges, and a through-shaft, a freewheel assembly comprises a pinion provided with ramps and one rolling member per ramp, an unlocking arrangement comprising a wheel with pins, and a part remote from the unlocking arrangement comprising an angular control comprising at least one connecting rod interposed between the remote part and the tibial plate.

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