Maxillary skeletal expander using mini-screw
US9351810B2 · kind B2 · utility
Assignees
Inventor
Key dates
| Filing date | Jun 19, 2014 |
| Grant date | May 31, 2016 |
| Priority date | — |
| Expiry date | Jun 19, 2034 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61C7/10
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A maxillary skeletal expander includes a pair of bodies, an extending screw adjusting a space between the pair of bodies, guide rails having both sides inserted into the pair of bodies and guiding a movement of the bodies, a key hole integrally formed with the extending screw, screw insertion portions integrally formed with the bodies and having screw insertion holes guiding mini-screws implanted to an upper jaw, arms having one end fixed to the bodies and the other end extending toward teeth, and a teeth fixing part integrally formed with the arms and fixed to teeth of a patient.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.