Method and apparatus for performing an open wedge, low femoral osteotomy
US8083749B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Dec 3, 2007 |
| Grant date | Dec 27, 2011 |
| Priority date | — |
| Expiry date | May 16, 2030 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B17/152
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
Apparatus for performing an open wedge, low femoral osteotomy, the apparatus comprising an osteotomy guide, a hinge pin and an osteotomy implant, the osteotomy guide comprising: anterior and posterior tissue shields having (i) openings for receiving the hinge pin and defining the hinge pin axis, and (ii) profiles configured to enable fluoroscopic alignment of the hinge pin axis parallel to the sagittal plane of the patient, a cutting guide comprising a cutting slot for defining a cutting plane extending parallel to, and through, the hinge pin axis, and a drill guide comprising a hole for forming a guide hole in the femur which extends substantially perpendicular to the cutting plane, the hinge pin comprising an elongated body, and the osteotomy implant for positioning in a wedge-shaped opening formed about the cutting plane and for receiving a screw extending through the guide hole.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.