Patent · US Expired

Repositioning tool

US5707371A · kind A · utility

93Cited by
6References
13Claims
0Family size

Assignee

Inventor

Key dates

Filing dateAug 9, 1996
Grant dateJan 13, 1998
Priority date
Expiry dateAug 9, 2016

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61B17/8886
  • WIPO fieldMedical technology
  • WIPO sectorInstruments

Abstract

A repositioning tool for handling pedicle screws which have annular heads with parallel clamping faces is provided. The tool has a tongue-shaped portion connected to a handle, which tongue-shaped portion is brought into engagement with the head of a pedicle screw in the axial direction thereof. The tool can apply a tilting moment perpendicular to the length axis of the pedicle screw and can apply a torque. The tool comprises pliers with jaws (22, 24) including inwardly extending projections (28, 30) to engage opposite indentations (70, 72) provided along the periphery of the annular head (64) of the pedicle screw (60).

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