Pol y axial screw and locking cap
US11589902B2 · kind B2 · utility
2Cited by
2References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 9, 2019 |
| Grant date | Feb 28, 2023 |
| Priority date | — |
| Expiry date | Jan 10, 2040 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2560/0431
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
Systems, methods, and devices for securing a spinal rod are provided. A clamp assembly comprises a tulip comprising an opening comprising an inner surface, wherein the inner surface is threaded; and a threaded locking cap disposed in the opening, wherein threads of the locking cap and the inner surface include various geometries.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.