Abstract: A locking assembly (10) for a medical device (1), the device (1) adapted to adjust the position of an upper teeth engagement member to a lower teeth engagement member, the device (1) having a plate, an elongate recess and a block slidable along said recess to adjust the position of the members relative to each other; the locking assembly (10) including: a screw having an elongate shaft having a thread extending substantially towards one end and a head at the other end, the thread adapted to engage the block, the head having at least one engagement member; and a cap having a corresponding at least one engagement member in use to lock the engagement members together to inhibit said screw from rotating in said block.

Abstract: A method of manufacturing an intraoral device (1) including: obtaining an impression of at least one row of a patient's teeth; transferring said impression into a processor; said processor communicating with a milling machine; milling a blank of a first material to form a cavity in said blank substantially corresponding to said impression, said cavity being milled to include an offset; said cavity with at least a second material and allowing said second material to cure; milling said second material to correspond to said impression; milling said first material to obtain a device shape; cleaning said device (1); and wherein said first and second materials are comparatively hard and soft.