Adjustable reamer with tip tracker linkage
US7008430B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 31, 2003 |
| Grant date | Mar 7, 2006 |
| Priority date | — |
| Expiry date | Apr 6, 2024 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F2250/0006
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A positioning tool for a joint socket cutting instrument or a implant is designed for use with a minimally invasive surgical procedure and in conjunction with a computer assisted surgical procedure. The positioning tool has a longitudinally extending drive shaft having a moveable joint at a first end and a drive coupling for connecting to a power source at a second end. A holder for mounting a cutting tool such a drill or as an acetabular cutting instrument or for mounting an acetabular implant is coupled to the moveable joint at the first end of the drive shaft for movement with respect to the drive shaft. The holder is rotatable about a central axis thereof when the drive shaft is rotated. The drive shaft includes a shaft bearing mounted thereon which is pivotally coupled to the shaft at a fixed longitudinal position and is pivotally coupled to a longitudinally extending first arm having a handle. A tracker system which is capable of being utilized by a computer-aided surgical system is mounted on the first arm. A second arm is provided which is pivotally connected to the holder at a first end and pivotally connected to the first arm at a second end. The resulting four bar linkag…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.