Endosteal ligament retainer and process
US5129902A · kind A · utility
Inventors
Key dates
| Filing date | Apr 20, 1990 |
| Grant date | Jul 14, 1992 |
| Priority date | — |
| Expiry date | Apr 20, 2010 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S606/916
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An endosteal ligament retainer for use in an arthroscopic surgical procedure to replace an anterior or posterior cruciate ligament, the retainer for endosteally mounting a ligament end, with or without a stent, tendon, or the like into the endosteum end of a femoral or tibial tunnel section. The embodiments of the retainer, include a disk shaped base, that can be axially pivotally mounted to a screw head end and may be holed or include upstanding arcuate walls projecting from the disk edge that are for securing a ligament end thereto, as by sewing with a suture. Alternatively, a center holed disk and screw fitted axially therethrough make up the retainer, which disk includes spaced apart radial holes for receiving a suture or sutures sewn therethrough and to a ligament end, mounting the disk across that ligament end. Additionally, the retainer can be a disk fixed across a rear end of a nail or peg to attached a ligament graft end thereto, the nail or peg leading or forward end to include spaced individual flexing rings that will collapse opposite to the direction or travel into a close fitting tunnel end to then flex outwardly, locking in the endosteum when a tensile force is appli…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.