Modular assembly for a shaft prosthesis
US4878917A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Apr 23, 1987 |
| Grant date | Nov 7, 1989 |
| Priority date | — |
| Expiry date | Apr 23, 2007 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F2220/0041
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A modular assembly for a shaft prosthesis having a head part and an end part, of which one part has a conical protrusion and the other part has a conical bore, wherein between these two parts at least one intermediate part adapted to the protrusion and/or bore is provided, wherein the head part (1) and/or at least one intermediate part (5) has a through bore (16) and the end part (9) or an intermediate part (5) has a bore (17 or 18 ) having means (20) for releasable engagement for the sake of transmitting a force in the axial direction wherein when the parts (1, 5 and/or 9) have been joined the bores (16-18) are axially aligned with respect to one another in the direction of the shaft, and a tension rod (15) is provided with and is connectable with an engagement element for releasable engagement, and when the prosthesis parts have been joined together projects beyond the head part (1) at least when the head and end parts have been joined together. For anchoring long modular prosthesis assemblies, the end part (9) has an adjusting device (15, 40), with which movable shaft parts (32, 3) of the end part (9) can be forced apart after the insertion of the shaft prosthesis and can be cla…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.