A - Human Necessities – 61 – C
Patent
A - Human Necessities
61
C
A61C 19/04 (2006.01) A61B 5/22 (2006.01)
Patent
CA 2180932
In accordance with the present in- vention there is provided an easy-to-use mechanically operated bite force gauge for measuring the bite force at which a patient's dentures will begin to slip or dislodge within their mouth. The bite force gauge has two opposing beams each of which extends longitudinally between back and front ends. The beams are joined together by a back support column and by a bending support column. The bending support column defines, on each beam, a yielding member located between the two support columns and an exten- sion member located between the bending support column and the front end. There- after, when biting forces are applied to the yielding members so that the two yielding members move towards each other, the extension members will move away from each other. The bite force gauge includes a force detector to measure the amount of force being applied to the yielding mem- bers by measuring the distance that the extension members move away from each other when the biting forces are applied.
La présente invention concerne un dynamomètre mécanique intermaxillaire permettant de mesurer la force masticatoire à partir de laquelle la dentition d'un patient commencera à se décaler ou à se déchausser en bouche. La morsure exerce une contrainte sur deux branches opposées repérées longitudinalement par leurs extrémités avant et arrière. Les deux branches sont réunies par un montant séparateur arrière et par un montant séparateur flexible. Le montant séparateur flexible détermine, sur chaque branche, d'une part un segment ressort compris entre les deux montants séparateurs, et d'autre part un segment de prolongement compris entre le montant séparateur flexible et l'extrémité avant. Par la suite, l'application de la force masticatoire sur les segments ressorts les contraint de se rapprocher l'un vers l'autre, ce qui fait s'éloigner l'un de l'autre les segments de prolongement. Le dynamomètre intermaxillaire comporte un élément dynamométrique mesurant la force appliquée aux segments ressorts en affichant la longueur du mouvement d'éloignement des segments de prolongement l'un par rapport à l'autre quand le patient applique la force masticatoire.
Hamilton Peter Worthington
Norado Gabriele Brenner
Kirby Eades Gale Baker
The Procter & Gamble Company
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