Patent · US Expired

Screw unit

US5382125A · kind A · utility

5Cited by
8References
12Claims
0Family size

Inventors

Key dates

Filing dateJan 13, 1993
Grant dateJan 17, 1995
Priority date
Expiry dateJan 13, 2013

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61B17/861
  • WIPO fieldMedical technology
  • WIPO sectorInstruments

Abstract

Screw unit with a closing screw having a screw head for the aseptic closing of an internal thread of a member and an introduction post in firm, but detachable connection on the closing screw. The detachable connection is formed by a tongue in an end of the post being received in a slot in the screw head which slot terminates inward of a peripheral edge of the screw head.

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