| 摘要 |
PROBLEM TO BE SOLVED: To solve a problem in dental treatment wherein the number of wires in the cord increases to thicken the whole body of the cord to be an obstacle around the feet of an operator and an assistant when a unit body and a foot controller are connected by a cord to meet the demand to operate controlled objects of a dental treatment unit by foot operation (foot controller) while minimizing use of hands for the reason of sanitation.SOLUTION: The device includes the foot controller 200 having a light emitting element 201, and a dental treatment unit body 100 having a light receiving element 101, where optical communication is possible between the light emitting element 201 and the light receiving element 101. The foot controller 200 includes a changing switch 202, and as the changing switch 202 is pushed down by the foot, the controlled objects ( dental treatment chair 1, a gargling bowl 3, a shadowless lamp 4, etc) or the like provided on the unit body 100 are switchably selected in order, so that action of the selected controlled object is controlled by switches (12-12). |
