Title:
電動歯ブラシ
Document Type and Number:
Japanese Patent JP4306681
Kind Code:
B2
Abstract:
An object is to provide an electric toothbrush superior in plaque removal, producible at low costs, and utilized without damaging gum even by a patient with gingivitis. In the electric toothbrush (10) making brushing possible by linearly moving a tufted portion (31), the product of the distance (mm) of movement of the tufted portion (31) and the frequency (times) of back-and-forth motion per minute is set in the range of 3000-9000. Further, the distance ((x) mm) of movement of the tufted portion (32) and the frequency ((y) times) of back-and-forth motion per minute are set in a range which satisfies the following formula: y = ax + b, where a = - 3000, 10000 ¦ b ¦ 12500, x > 0.
Inventors:
Toyoichi Mori
Kita Shoji
Seiko Uezaki
Kita Shoji
Seiko Uezaki
Application Number:
JP2005507229A
Publication Date:
August 05, 2009
Filing Date:
June 17, 2004
Export Citation:
Assignee:
Sunstar Inc.
International Classes:
A61C17/22; A46B13/02; A61C17/00; A61C17/34
Domestic Patent References:
| JP6343513A | ||||
| JP2003061987A | ||||
| JP2003144229A |
Attorney, Agent or Firm:
Takao Yanagino
Norio Morioka
Norio Morioka