Patent · US Active

Double collet connector assembly for bone anchoring element

US7789900B2 · kind B2 · utility

128Cited by
1References
2Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 4, 2007
Grant dateSep 7, 2010
Priority date
Expiry dateMar 7, 2028

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61B17/7032
  • WIPO fieldMedical technology
  • WIPO sectorInstruments

Abstract

A connector assembly including a bone anchoring element including a spherical head, a double collet that includes an inner clamping portion formed by inner surfaces of a plurality of resilient fingers, the resilient fingers defining a first wedge surface and a second wedge surface, an outer closure element that includes an inner clamping portion that corresponds in shape to an outer contour of the double collet, the outer closure element including a pair of arms that define a channel shaped for receiving therein a connector element, and an interface ring that includes a base formed with an inner wedge surface and a pair of wing extensions that extend from the base.

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