System and method for altering rotational alignment of bone sections
US10105167B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jul 12, 2016 |
| Grant date | Oct 23, 2018 |
| Priority date | — |
| Expiry date | Jul 12, 2036 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2090/034
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A rotational correction system includes an implant having first and second sections, the implant having a rotatable permanent magnet disposed in a housing of the first section, the rotatable permanent magnet mechanically connected to a nut operatively coupled to the second section. A keyed portion is interposed between the nut and one or more non-linear grooves disposed on an inner surface of the housing. An external adjustment device having at least one rotatable magnet configured to rotate the rotatable permanent magnet of the implant is part of the system. Rotation of the rotatable permanent magnet of the implant in a first direction effectuates a clockwise change in the rotational orientation of the first section relative to the second section and rotation of the rotatable permanent magnet of the implant in a second direction effectuates a counter-clockwise change in the rotational orientation of the first section relative to the second section.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.