Device for postoperative fixation back into the cranium of a plug of bone removed therefrom during a surgical operation
US6270500A · kind A · utility
Inventor
Key dates
| Filing date | Jan 31, 2000 |
| Grant date | Aug 7, 2001 |
| Priority date | — |
| Expiry date | Jan 31, 2020 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B17/683
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A device for postoperative fixation back into the cranium of a plug of bone removed therefrom during a surgical operation. The device comprises a pin (11) and two concavoconvex disks (21 & 22) of a physiologically compatible metal or metal compound. The pin has a flat head (111) at one end and one (21) of the disks comes to rest against the head. Each disk has row of teeth (213 & 223,), extending along the edge of the concave side and a bore (211 & 221) through the center. The shaft (112) of the pin fits into the bores. The disks can be mounted on the shaft with the teeth on each one facing the teeth on the other. The second disk can be fastened to the shaft.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.