Dentistry – Orthodontics – By mouthpiece-type retainer
Patent
1984-08-30
1986-12-16
Wilson, John J.
Dentistry
Orthodontics
By mouthpiece-type retainer
433 32, 128777, 455100, A61C 300
Patent
active
046294244
ABSTRACT:
A device is disclosed for intraoral ambient sensing. In this embodiment, the device comprises a removable oral (Hawley) appliance containing a number of chemically sensitive electrodes and a common reference electrode at the chemical sensing sites and a telemetry unit plus power pack for signal transmission. This device may also be used to monitor non-chemical parameters, notably pressure, temperature, and flow. In this embodiment, the removable oral (Hawley) appliance contains a number of sensors to monitor the parameter of interest. For example, a pressure sensor configured as an artificial uvula and mounted to the oral (Hawley) appliance emulates actual uvula pressure events. To monitor chewing events, a pressure sensor is mounted to the oral (Hawley) appliance in such a manner that it is optimally located at an open bite location of the mouth. In either embodiment, a telemetry unit mounted to the oral (Hawley) appliance transmits the intraoral ambient information as radio frequency signal bursts. A remotely located receiver circuit receives the radio signals which are broadcast and recovers the information encoded in them.
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Lauks Imants R.
Yankell Samuel L.
Integrated Ionics Inc.
Wilson John J.
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