Cannulated tamp and centering rod for total joint arthroplasty
US5800437A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Oct 8, 1996 |
| Grant date | Sep 1, 1998 |
| Priority date | — |
| Expiry date | Oct 8, 2016 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F2002/30726
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A method of preparing an intramedullary canal of a bone for joint arthroplasty including drilling a hole into the intramedullary cavity of a bone and inserting a centering rod longitudinally into the intramedullary 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 intramedullary 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 intramedullary cavity to create a canal suitable for receiving a bone prosthesis. The cannulated instrumentation includes a cannulated tamp, 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.