Patent · US Active

Pedicle screw system with provisional locking aspects

US8016866B2 · kind B2 · utility

34Cited by
131References
11Claims
0Family size

Assignee

Inventor

Key dates

Filing dateFeb 22, 2010
Grant dateSep 13, 2011
Priority date
Expiry dateFeb 22, 2030

Classification

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

Abstract

A tulip assembly configured to be coupled to a head of a bone fixation device includes at least one inner member configured to fix the tulip assembly to the head of a bone fixation device, and an outer member including at least one engagement surface configured to selectively fix a rod in the tulip assembly via rotation of the outer member, wherein the fixation of the tulip assembly to the head of the bone fixation device is independent of the fixation of a rod in the tulip assembly.

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