Patent · US Expired

Apparatus and method for measuring instability of a motion segment unit of a spine

US7153281B2 · kind B2 · utility

148Cited by
8References
19Claims
0Family size

Assignee

Inventor

Key dates

Filing dateOct 30, 2003
Grant dateDec 26, 2006
Priority date
Expiry dateSep 5, 2024

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61B2090/064
  • WIPO fieldMedical technology
  • WIPO sectorInstruments

Abstract

Apparatus and method for measuring spinal instability through the use of a distractor arm assembly having segments pivotal with respect to each other and movable through the movement of a pivotal collar assembly along a centrally positioned jackscrew.

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