Movable finger for prostheses, upper extremity prostheses using this movable finger, and movable finger controller
US6896704B1 · kind B1 · utility
Assignees
Inventors
Key dates
| Filing date | May 19, 2000 |
| Grant date | May 24, 2005 |
| Priority date | — |
| Expiry date | May 19, 2020 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F2250/0026
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A movable finger for prostheses, having a base a first intermediate portion connected to the base, a second intermediate portion connected to the first intermediate portion, and a fingertip connected to the second intermediate portion. The prosthesis further includes a first intermediate portion bending mechanism for actuating an actuator disposed in the base to pull a first wire to turn an eccentric member, a second intermediate portion bending mechanism for pulling a second wire wound around a pulley disposed as a movable pulley in the first intermediate portion by the eccentric member, whereby the pulling and bending of the second intermediate portion is by a third wire connected to the pulley, and a fingertip bending mechanism for pulling and bending the fingertip by a fourth wire connected to the first intermediate portion, whereby the pulling and straightening is by a fifth wire.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.