Bone fixator for a ligament anchor system
US5931840A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jan 28, 1998 |
| Grant date | Aug 3, 1999 |
| Priority date | — |
| Expiry date | Jan 28, 2018 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S606/908
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A bone fixator for a ligament anchor system and a process its use in an arthroscopic procedure for mounting a ligament graft end in a tunnel formed into a bone. The bone fixator includes threaded footing member for mounting in a bone tunnel, that includes a longitudinal opening formed therethrough, and a ligament carrying member that has a forward of proximal portion for fitting through the threaded footing member longitudinal opening and including a coupling arrangement for securing the ligament carrying member in the threaded footing member. The ligament carrying member further includes as a rear or distal portion that incorporates a ligament mounting section, that, in one embodiment, is an eyelet section to receive a ligament graft fitted therethrough and folded upon itself and in another embodiment is a flat section having a center longitudinal axis wherefrom at least one and preferably a pair of spaced apart pointed posts extend at essentially right angles that include serrations or downwardly sloping teeth formed along at least one side of each post, the post or posts for passing through transverse holes formed in an end of a ligament graft, such as a bone end of a bone tendo…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.