Osteosynthesis system comprising means for straightening a bone anchoring element relative to a screw head and anchoring screw implemented in such a system
US10357286B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 9, 2015 |
| Grant date | Jul 23, 2019 |
| Priority date | — |
| Expiry date | Aug 15, 2035 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B17/8605
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An osteosynthesis system comprising anchoring screws, wherein at least one of the anchoring screws comprises a bone anchoring element with a longitudinal axis AA, comprising a threaded anchoring rod prolonged at the end by a coupling head and a screw head for coupling a connecting element to the bone anchoring element, wherein the screw, comprises a body with a longitudinal axis BB traversed longitudinally by a channel featuring in the lower portion a receiving cavity for receiving the coupling head of the anchoring element, at least one connecting element designed to interconnect the anchoring screws, means of tightening the connecting element on each anchoring screw, a means of straightening the bone anchoring element in relation to the screw head during tightening, wherein the means of straightening are arranged to straighten the threaded rod of the bone anchoring element and place the former in the longitudinal axis BB.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.