Patent · US Active

Biased angle polyaxial pedicle screw assembly

US7763057B2 · kind B2 · utility

33Cited by

74References

19Claims

0Family size

Assignee

Custom Spine, Inc. · US

Inventors

Mahmoud F. Abdelgany · Rockaway, US
Aaron Markworth · Saddle Brook, US

Key dates

Filing date	Nov 30, 2006
Grant date	Jul 27, 2010
Priority date	—
Expiry date	Mar 1, 2029

Classification

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

Abstract

A pedicle screw assembly and method of assembly comprises a longitudinal member; a screw head comprising a bulbous end, wherein the screw head has a slot adapted to receive the longitudinal member; a bone fixator component comprising a concave socket having a biased angled top and a rounded bottom adapted to receive the screw head; a locking pin adapted to engage the screw head, the bone fixator component, and the longitudinal member; and a blocker adapted to engage the screw head and to secure the longitudinal member. Additionally, the bone fixator component may be configured as any of a bone screw and a hook.

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