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US 2006/0039772 A1Published application
Screw with integrated screwdriver
AssigneeSynthes USA, LLC
InventorRomano Matthys-Mark
Life of this patent
Estimating the term…
Abstract
A screw with an integrated screwdriver, the screw having a screw shaft with a thread, a screw head, and a longitudinal axis, and the screwdriver being connected coaxially with the longitudinal axis over a specified breaking point with the screw head, characterized in that the screw head has an external thread.
Claims20
A tool comprising:
- a screw having a threaded shaft, a head, an undercut disposed between the threaded shaft and the head, and a longitudinal axis;
- a screwdriver integral with the screw, and aligned with the longitudinal axis;
- and
- wherein the tool has a breaking point located between the screwdriver and the head.
1 more element
A tool comprising:
- a screw having a threaded shaft, a threaded head, and an unthreaded portion disposed between the threaded shaft and the threaded head;
- a screwdriver integral with the screw;
- and
- wherein the tool has a breaking point located between the screwdriver and head.
1 more element
A tool comprising a threaded shaft, a head, and an unthreaded portion disposed between the threaded shaft and the head;
- a screwdriver integral with the screw;
- and
- wherein the unthreaded portion has a first diameter wherein the tool has a breaking point having a second diameter;
- wherein the first diameter is larger than the second diameter.
1 more element
A fixation system comprising:
- a tool comprising:
- a screw having a threaded shaft, a threaded head, and an unthreaded portion disposed between the threaded shaft and the threaded head;
- and
- a screwdriver integral with the screw;
- wherein the tool has a breaking point located between the screwdriver and the head;
- and
- a plate having at least a first fixation hole for threadedly engaging at least a portion of the screw.
4 more elements
Dependencies are inferred from the claim text.