Shock module prosthesis
US6478826B1 · kind B1 · utility
Assignees
Inventors
Key dates
| Filing date | Apr 9, 1999 |
| Grant date | Nov 12, 2002 |
| Priority date | — |
| Expiry date | Apr 9, 2019 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F2230/0086
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
In one embodiment, an impact-absorbing shock module comprises two pylons telescopingly engaged to permit axial and rotational motion therebetween. A resilient element, preferably a spring-fluid combination, provides axial shock absorption. A tubular torque-resisting cuff provides rotational resistance, or torsion-resistance. A fluid valve is provided so that the fluid pressure may be varied to adjust the torsion resistance. In another embodiment, a shock module comprises two pylons maintained in a colinear alignment via a guide pin attached to the lower pylon. A resilient element provides shock absorption, and a torque-resisting cuff provides torsion-resistance. In another embodiment, a shock module comprises two pylons telescopingly engaged to permit axial motion therebetween. The pylons also have a polygonal interface to prevent relative rotation therebetween.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.