Abstract: A fastening system with

Abstract: A fastening system comprises a screw including a thread formed on a shank and configured to form a threaded bore in a plug made of a plastic material, and at least one notch formed in the shank between at least two adjacent turns of the thread. The system also comprises a clip including first and second clip bows connected at joined portions thereof. The first and second clip bows further have firs and second through apertures in their central portions which are aligned and sized to define a channel for allowing the shank of the screw to pass through. At least one of the first and second through apertures has an internal thread matching with the thread of the screw. The clip has at least one resilient lug adapted to engage with the at least one notch when the screw is fastened into the internal thread.

Abstract: An auditory ossicle prosthesis comprises a grooved plate and a depending shaft integrally formed as a one-piece construction from a biologically inert ceramic material, provided with a hole extending through the plate and along the interior of the shaft to reduce the amount of material to be removed by grinding when the device is fitted to the patient.