System for measuring tongue pressure

A - Human Necessities – 61 – B

Patent

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Details

A61B 5/00 (2006.01) A61B 5/11 (2006.01) A61B 5/22 (2006.01)

Patent

CA 2341172

A system for measuring tongue pressure comprising a thin palate floor plate (1) whose shape matches with the shape of the palate, thin pressure sensor sheets (2a, 2a, 2b) having a plurality of pressure sensing cells secured to the lower surface of the palate floor plate (1), an attaching means (3) for attaching the palate floor plate (1) to a proper position in the palate, and a cable (4) for transmitting information from the pressure sensing cells of the pressure sensor sheets (2a, 2a, 2b) to an apparatus outside the palate. The cable (4) is led out of the oral cavity extending around the back of the final gum tooth and passing along the vestibule of the oral cavity when the palate floor plate (1) is attached in the palate. Each of the pressure sensor sheets (2a, 2a, 2b) comprises two resin backings structured in one body and each having a plurality of electrodes covered with a pressure-sensitive ink layer on one side of the backing. Between the backings, air is contained gastightly. The electrodes are opposed to each other via the pressure-sensitive ink. Each pressure sensing cell is constituted by the portion corresponding to the opposing electrodes and the pressure-sensitive ink layers.

La présente invention concerne un dispositif de mesure de pression de la langue comprenant une plaque mince palatine (1) dont la forme épouse celle du palais, des feuilles minces de capteurs de pression (2a, 2a, 2b) contenant une pluralité de cellules de détection de pression fixées à la partie inférieure de la plaque palatine (1), des moyens de fixation (3) destinés à fixer la plaque palatine (1) au palais dans une position adéquate, et un câble (4) destiné à transmettre une information, à partir des cellules de détection de pression des feuilles de capteurs de pression (2a, 2a, 2b), vers un appareil extérieur au palais. Lorsque la plaque palatine (1) est fixée au palais, le câble (4) sort du palais en passant derrière la dernière dent en longeant le vestibule du palais. Chacune des feuilles de capteurs de pression (2a, 2a, 2b) comprend deux pellicules en résine, ne constituant qu'une seule pièce, et comporte plusieurs électrodes recouvertes d'une couche d'encre sensible à la pression sur un côté de la pellicule. Entre les pellicules, de l'air est enfermé de manière étanche. Les électrodes sont opposées l'une à l'autre via l'encre sensible à la pression. Chaque cellule de détection de pression est constituée des électrodes opposées et de la partie correspondante de la couche d'encre sensible à la pression.

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