Sunstar Inc.

Shizuoka Prefectural Government

Naoki Tsurukawa

Satoru Sumiyoshi

Masafumi Hamada

Hidekuni Takano

Hirohisa Nakatsuka

Seiji Tokuoka

Yojiro Ota

An oral care instrument, which can maintain a sufficient support strength of a long neck, leaves little residue of a medicant after using, has a low contamination risk from nozzle tip, allows smooth spouting of a medical solution from the beginning, prevents excessive supply of gelatinous or creamy oral-care composition in the case of flowing the composition in a supply channel inside the same, and contributes to the maintenance of the durability of a manufacturing mold. In the aforesaid oral care instrument, which comprises a handle (), a head () and a neck (), a channel () for supplying oral-care composition running within the neck () to a nozzle () of the head () via the handle (), is formed; and the head () is connected in a detachable manner to the neck ().

Oral care instrument

Oral cleaning tool

The present invention provides an interdental brush and a cap, said brush having a good handling property and a low manufacturing cost, said brush being stored with the cap on while adjusting the brush body at any angle. The handle membersupporting the brush bodyincludes a handle body, an armextending from one end of the handle body, a brush supportthat holds a base of the brush body, a first hingethat connects the tip of the armand one end of the brush supportin a freely rotating manner, an operating portionprovided slidably at the other end of the handle member, and a second hingethat connects the tip of the operating portionand the other end of the brush supportin a freely rotating manner.

Interdental brush

An interdental brush wire and an interdental brush which are not buckled or broken, are excellent in durability and manipulation ease due to the springy brush as well as the ability of insertion between teeth characterized in that the wire is a stainless steel wire having a diameter of 0.15 to 0.35 mm and containing nitrogen and a controlled amount of manganese.

Interdental brush wire and interdental brush

Growing community of inventors

Takatsuki, Japan

Naoki Tsurukawa