Patent ID: 11882409
Assignee: COCHLEAR LIMITED
Field: Medical technology (Instruments)
Classification: CPC H  A | IPC A  H

Claim 0:
1. An anchoring fixture, comprising:
a screw thread apparatus including a screw thread having a varying outer diameter, wherein
the anchoring fixture is configured for anchoring a bone conduction hearing prosthesis component to a skull bone at a location behind an external ear so that sound is transmitted from the bone conduction hearing prosthesis component via the skull bone to a cochlea,
a maximum diameter of the anchoring fixture has a value that exceeds a peak diameter of the screw thread by approximately 10-20%,
a length in a direction along a longitudinal axis of the anchoring fixture from (i) a distal end of the anchoring fixture to (ii) a distalmost portion of the anchoring fixture that exceeds the peak diameter of the screw thread by approximately 10-20%, is no greater than 5 mm, the screw thread apparatus being between the distal end and a proximal end of the anchoring fixture, the proximal end facing away from the skull bone when the anchoring fixture is implanted in the skull bone, and
a maximum diameter of the screw thread apparatus is between 3.5 and 5 mm.