Patent · US Active

Electro-rheological fluid brake and actuator devices and orthotic devices using the same

US8142370B2 · kind B2 · utility

95Cited by
14References
28Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 9, 2005
Grant dateMar 27, 2012
Priority date
Expiry dateJul 28, 2029

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61F2002/6818
  • WIPO fieldMedical technology
  • WIPO sectorInstruments

Abstract

Electro-rheological fluid brake or actuator devices provide controllable resistance with or without inclusion of active torque output in either direction of rotation under manual or computer control. The brake and actuator devices are suitable for use in an orthotic device for a joint, such as the knee or elbow.

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