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EP0491211A1 Expired / Lapsed EP ⏱️ 0.0 years remaining

Bone screw

Assignee: AO Technology AG
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Filing: 1991-11-30
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Granted: —
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Expires: 2011-11-30
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Abstract

Abstract The bone screw (1) has a screw head (2), a screw tip (11) and a shaft (5) provided with a thread (8,14). The threaded section (6,7) of the shaft (5) has at the head side an essentially cylindrical first shaft section (6) with the core diameter d1 (16) and at the tip side a second shaft section (7) which is connected to the first shaft section (6) and has a smaller core diameter d2 (17). The thread (8,14) in the two shaft sections (6,7) has the same pitch (10,12). <IMAGE>

Inventors

  • 👤 Robert Frigg
  • 👤 Stephan Perren
  • 👤 Martin c/o Soc. Int. de Chirurgie Allgöwer
  • 👤 Paul Gisin

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-10-23 00:41
CPC Classifications
A; A61; A61B; A61B17/00; A61B17/56; A61B17/58; A61B17/68; A61B17/84; A61B17/86; A61B17/8625; A61B17/863

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US4463753A Cited
WO1990002526A1 Cited
EP0369266A2 Cited

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