Patent · US Active

Method of changing position of bones

US9427276B2 · kind B2 · utility

0Cited by
1References
13Claims
0Family size

Inventor

Key dates

Filing dateSep 17, 2014
Grant dateAug 30, 2016
Priority date—
Expiry dateSep 17, 2034

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61F2/4611
  • WIPO fieldMedical technology
  • WIPO sectorInstruments

Abstract

A pedicle screw system that includes a pedicle screw and a collar. The pedicle screw includes an insertion portion, a shaft portion that extends from the insertion portion, and a head portion that is attached to the shaft portion. The head portion has a diameter that is larger than the shaft portion. The collar includes a first aperture and a second aperture. The first aperture and the second aperture are both adapted to receive the head portion. The first aperture includes a first aperture section and a second aperture section. The first aperture section is larger than the head portion. The second aperture section is smaller than the head portion.

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