Maintenance feature in magnetic implant
US8734488B2 · kind B2 · utility
23Cited by
5References
28Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 4, 2011 |
| Grant date | May 27, 2014 |
| Priority date | — |
| Expiry date | Aug 15, 2031 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2017/00411
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A distraction system includes a distraction rod having one end configured for affixation to at a first location on patient. The system further includes an adjustable portion configured for placement in the patient at a second location, the adjustable portion comprising a housing containing a magnetic assembly comprising a magnet, the magnetic assembly secured to a threaded element that interfaces with an opposing end of the distraction rod. The system includes a magnetically permeable member in proximity to the magnetic assembly and covering an arc of less than 360° of the adjustable portion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.