Patent · US Expired

Bone screw

US5019078A · kind A · utility

57Cited by
4References
13Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 17, 1989
Grant dateMay 28, 1991
Priority date—
Expiry dateNov 17, 2009

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61B17/8625
  • WIPO fieldMedical technology
  • WIPO sectorInstruments

Abstract

A bone screw has a smooth shaft segment, a threaded segment and a tapered transition segment between the shaft and the threaded segment.

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