Cannulated broach for total joint arthroplasty
US5601564A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Sep 14, 1995 |
| Grant date | Feb 11, 1997 |
| Priority date | — |
| Expiry date | Sep 14, 2015 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F2/46
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A method of preparing an intermedullary canal of a bone for total joint arthroplasty including drilling a hole into the intermedullary cavity of a bone and inserting a centering rod longitudinally into the intermedullary canal of the bone. The rod is inserted to align the rod along the longitudinal axis of the bone. Osteotomizing the articulating surface of the bone and preparing the intermedullary canal of the bone to receive a prosthesis. The preparation including placing cannulated instruments in a telescoping manner over the centering rod and into the intermedullary canal to create a cavity suitable for receiving a bone prosthesis. The cannulated instrumentation includes a cannulated osteotomy guide, a cannulated reamer, a cannulated box chisel, and a cannulated broach. The instrumentation is also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.