|発明の名称||TOOTHBRUSH FOR PREVENTING EXTERNAL INJURY IN ORAL CAVITY DURING TOOTH-BRUSHING|
PROBLEM TO BE SOLVED: To provide a toothbrush for preventing external injury in oral cavity during tooth-brushing, that is designed for an infant, a handicapped person or child, or a person requiring care and that has a function of preventing an accidental prick into the pharynx with a toothbrush by adding a ring for covering the hand or fingers.
SOLUTION: The toothbrush includes: a head part 12; a grip 13 to which the head part 12 is fixed; a neck 14 positioned to connect the head part 12 with the grip 13; and a strap part 15 freely rotatably engaged around the longitudinal axis 13d of the grip 13 as the rotating center, in the connecting part 14a between the neck 14 and the grip 13 and in a rear end part 13a of the grip 13. The strap part 15 includes: rings 15a, 15b freely rotatably engaged around the longitudinal axis 13d of the grip 13 as the rotating center, in the connecting part 14a between the neck 14 and the grip 13 and in the rear end part 13a of the grip 13; and a hand/finger holder 15c integrally formed with the rings 15a, 15b.
- 学校法人松本歯科大学 総務課
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