Patent · US Active

Bone anchoring device

US8277494B2 · kind B2 · utility

10Cited by

9References

17Claims

0Family size

Assignee

BIEDERMANN TECHNOLOGIES GMBH & CO. KG · DE

Inventors

Lutz Biedermann · Villingen-Schwenningen, DE
Wilfried Matthis · Kenzingen, DE
Stefan Freudiger · Zollikofen, CH

Key dates

Filing date	Jul 17, 2008
Grant date	Oct 2, 2012
Priority date	—
Expiry date	Feb 14, 2031

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61B17/7037
WIPO fieldMedical technology
WIPO sectorInstruments

Abstract

A bone anchoring device includes an anchoring element having a shank to be anchored in a bone or a vertebra, a rod for connecting at least two anchoring elements, the rod being made of an elastic material. The bone anchoring device further includes a receiving part being connected to the shank for receiving the rod, a seat for the rod being provided in the receiving part the seat having a rod contacting surface, and a locking device cooperating with the receiving part for fixation of the rod in the seat. The locking device includes a rod contacting surface, wherein the rod contacting surface of the seat and/or the rod contacting surface of the locking device includes an engagement structure for engaging the rod, the engagement structure having an asymmetric cross section.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.