Facial bone contouring device using hollowed rasp provided with non-plugging holes formed through cutting plane
US7955337B2 · kind B2 · utility
Inventor
Key dates
| Filing date | Jun 25, 2003 |
| Grant date | Jun 7, 2011 |
| Priority date | — |
| Expiry date | Apr 23, 2025 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2217/005
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
Disclosed is a facial bone contouring device for use in facial bone contouring surgery and bone tumor and/or osteophyte removal. The facial bone contouring device comprises: a rasp (10), having a double tube structure, including a rod (11), and a cutter (13) provided with plural grooves (13c) for exhausting cut bone fragments, a saline solution feeding passage (15) and a bone fragment exhausting passage (14); a powered surgical handpiece (40) connected to the rasp (10) for providing linear reciprocating motion to the rasp (10); a saline solution feeding unit (30) for feeding saline solution to the saline solution feeding passage; and a suction unit (20) for sucking and exhausting the cut bone fragments, wherein bone cutting is performed under the condition that the saline solution is fed into the rasp, and the cut bone fragments are exhausted together with the saline solution so that the bone cutting is continuously performed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.