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DEVICE FOR WASHING ORAL CAVITY AND METHOD FOR WASHING ORAL CAVITY 新技術説明会

外国特許コード F130007448
掲載日 2013年7月4日
出願国 世界知的所有権機関(WIPO)
国際出願番号 2012JP060411
国際公開番号 WO 2012/144505
国際出願日 平成24年4月18日(2012.4.18)
国際公開日 平成24年10月26日(2012.10.26)
優先権データ
  • 特願2011-095623 (2011.4.22) JP
発明の名称 (英語) DEVICE FOR WASHING ORAL CAVITY AND METHOD FOR WASHING ORAL CAVITY 新技術説明会
発明の概要(英語)

[Problem] To provide a device for washing oral cavity and a method for washing oral cavity, whereby stains such as plaque and dental calculus can be effectively removed even from a narrow space such as a gap between teeth or a gap of an implant. [Solution] A device for washing oral cavity, said device comprising a cover (11) provided with an injection hole (11a) and a discharge hole (11b), wherein the cover (11) covers a tooth (1) while leaving a space between the cover (11) and the tooth (1) so that water can be held in the space. To the injection hole (11a), an injection means (12), which is provided with a channel (24a) connected to the space between the tooth (1) and the cover (11), is attached. The injection means (12) is configured so that cavitation bubbles can be generated when water flows in the channel (24a) toward the space and the thus generated cavitation bubbles are injected toward the inside of the cover (11). The channel (24a) has a small diameter part (24b) with a channel diameter being smaller than the channel diameter in the upstream side and an enlarged part (24c) with a channel diameter being larger than the channel diameter in the small diameter part (24b). A discharge means (13) is provided so that water within the space between the tooth (1) and the cover (11) is discharged through the discharge hole (11b).

  • 出願人(英語)
  • ※2012年7月以前掲載分については米国以外のすべての指定国
  • TOHOKU UNIVERSITY,
  • SHOWA UNIVERSITY,
  • SOYAMA HITOSHI,
  • YAMAMOTO MATSUO,
  • TAKIGUCHI TAKASHI
  • 発明者(英語)
  • SOYAMA HITOSHI,
  • YAMAMOTO MATSUO,
  • TAKIGUCHI TAKASHI
国際特許分類(IPC)
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