Snap-on multi-planar and mono-planar receiver assemblies having integral and multi-part multipurpose positioners for pivoting and non-pivoting retainers
US10188432B2 · kind B2 · utility
Inventors
Key dates
| Filing date | Oct 21, 2015 |
| Grant date | Jan 29, 2019 |
| Priority date | — |
| Expiry date | Oct 21, 2035 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2090/037
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A receiver subassembly adapted to couple with a universal shank to form a bone anchor assembly. The universal shank having an integral upper capture structure with opposed spaced apart flat side surfaces. The receiver subassembly including a receiver including a distal opening for bottom loading of the capture structure of the universal shank there-through. The receiver supporting a retainer and a positioner within the receiver. The positioner supporting a position of the retainer within the receiver. The retainer configured to couple with the capture structure when the capture structure extends at least partially through the distal opening.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.