EP0491211A1
Expired / Lapsed
EP
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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
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 06:50
CPC Classifications
A; A61; A61B; A61B17/00; A61B17/56; A61B17/58; A61B17/68; A61B17/84; A61B17/86; A61B17/8625; A61B17/863
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References Cited (Backward Citations)
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