An implantable hearing assistance system has a subcranially implantable electronics unit that is remotely situated from the ear, such as implanted in the pectoral region, rather than in the mastoid portion of the temporal bone. Once a page has been received by the portable computer, the computer’s hard drive can be automatically reformatted, or the portable computer can be prevented from booting. The carriage includes a quick-release clamp assembly that allows pickers for different items to be changed quickly and without the use of tools. Debris from the rotating flow pattern is ejected from the device for cleaning the air, which is flowed to an air outlet of the device for supplying the cleaned air.