An ossicular prosthesis is described which includes an elongated prosthesis member having a proximal end and a distal end. A cochlea striker mass is at the distal end of the prosthesis member and includes an outer striking surface for coupling vibration of the striker mass to an outer cochlea surface of a recipient patient. A locking clamp is at the proximal end of the prosthesis member and includes a clamp strap having a fixed end and a free end, and a locking head at the fixed end of the clamp strap which has a strap opening for insertion of the free end of the clamp strap. The clamp strap passes around an ossicle of the middle ear in a closed loop and is fixedly engaged by the locking head such that acoustic vibration of the ossicle is coupled by the prosthesis member to the cochlea surface.
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