Ratcheted spinal devices
US9980751B2 · kind B2 · utility
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6Claims
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Assignee
Inventor
Key dates
| Filing date | Dec 30, 2016 |
| Grant date | May 29, 2018 |
| Priority date | — |
| Expiry date | Dec 30, 2036 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B17/7035
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A spinal device including a variable-length member including a ratchet mechanism that has an operative configuration that allows a change in length of the variable-length member in one direction and prevents a change in length of the variable-length member in an opposite direction, wherein the variable-length member includes polyaxial-joint attachment members for attachment to bone, which permit pivoting movement of the attachment members about more than one pivoting axis, characterized by a force applicator operative to adjust or advance the ratchet mechanism.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.