The monitor prevents overdose and permits accurate on-line determination of the cost of the anesthetic and other gases used for each procedure. A patent has issued. These components are contained within an otherwise conventional denture or dental prosthesis. The device produces a high amplitude sound while minimizing current drain from the power source. Laryngectomized patients require only short term training by a speech pathologist to use this device.
Intelligible speech is usual within an hour of such training, and facility rapidly improves.
Patents have been issued. The system uses a binary screen composed of two phosphors emitting light of different wavelengths. The system either uses two cameras with optical filters to screen for the different wavelength light, or uses color film that exposes the different wavelength light as different colors. Two patents have been issued . The system provides a sustained release of antibiotic.