Abstract: A device for securing artificial body parts, in particular ears, noses and eyes, to a support 12 secured in turn to a bone 10 comprises a post 24 connectable rigidly to the support 12. Rotatably mounted on the post is a rotary member 26 which has a recess 30 for a wire. The artificial body part can be secured to the wire by means of a clamp, clip or the like.

Abstract: A plate for covering a drill hole in a skull cap and for fixing a cranial bone cover comprises a plurality of vanes (16a-16e) extending radially with respect to a center (12) and slots (20a-20e) between the vanes. For receiving bone screws holes (18a-18e) are provided in the respective region of the outer periphery of the vanes.

Abstract: A screwdriver is provided which engages the head of the screw, and also grips the screw. The screwdriving and gripping assemblage may be readily interchanged with another in the handle of the screwdriver. Opening and closing of gripping jaws is effective by the sliding of an outer sleeve which surrounds another sleeve of which the gripping jaws form a part, and which other sleeve is slidable on the shaft of the screwdriver. The handle comprises a front part and a rear part which are rotatably connected together for rotation of the forward part and of the screwdriver shaft, while the rear part is held fixed.

Abstract: A plate for covering a drill hole in a skull cap and for fixing a cranial bone cover comprises a plurality of vanes (16a-16e) extending radially with respect to a center (12) and slots (20a-20e) between the vanes. For receiving bone screws holes (18a-18e) are provided in the respective region of the outer periphery of the vanes.