Screwdriver and screw for trauma and corrective facial or jaw surgery

The free end of the screw driver shaft (3) has an axial shoulder (12) with polygonal cross section, conical longitudinal section (14), and radial wings (15) on both sides of the shoulder. The screw (2) has a head with an axial polygonal seat, complementary to the shoulder, and two radial side slots....

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Bibliographische Detailangaben
Hauptverfasser:	CARRIOU, JEAN-LOUIS, PARIS, FR, PINSOLLE, JACQUES, BORDEAUX, FR, THIERRY, MARTY, LANGRES, FR, BLANC, JEAN-LOUIS, MARSEILLE, FR, LEBEAU, JACQUES, MEYLAN, FR, CHRISTOPHE, CHARBONNIER, REIMS, FR, MICHELET, FRANCOIS-XAVIER, LARESNE, FR
Format:	Patent
Sprache:	eng ; ger
Schlagworte:	BLASTING DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS ORMACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS,CLIPS, WEDGES, JOINTS OR JOINTING DIAGNOSIS ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HAND TOOLS HANDLES FOR HAND IMPLEMENTS HEATING HUMAN NECESSITIES HYGIENE IDENTIFICATION LIGHTING MANIPULATORS MECHANICAL ENGINEERING MEDICAL OR VETERINARY SCIENCE PERFORMING OPERATIONS PORTABLE POWER-DRIVEN TOOLS SURGERY THERMAL INSULATION IN GENERAL TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FORFASTENING, CONNECTING, DISENGAGING OR HOLDING TRANSPORTING WEAPONS
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Beschreibung
Zusammenfassung:	The free end of the screw driver shaft (3) has an axial shoulder (12) with polygonal cross section, conical longitudinal section (14), and radial wings (15) on both sides of the shoulder. The screw (2) has a head with an axial polygonal seat, complementary to the shoulder, and two radial side slots. Holder and slots are formed to accommodate shoulder and wings, and secure insertion of the shoulder into the holder in the screw head, by press fit. The screw is retained by the screw driver, and shoulder and wings are formed integral with the rest of the screw driver shaft.