| 摘要 |
<p>PURPOSE: To provide an oral cavity cleaning brush by which the oral cavity can be brushed and cleaned by water or a cleaning liquid agent and a brush and scratched-off bacterial plaques and food remnants or the like can be prevented from spreading and scattering into the oral cavity and water can be prevented from staying in the oral cavity and water injection and water discharge can be balanced with each other and tooth-brushing and oral cavity inside cleaning can be comfortably performed. CONSTITUTION: Bristles 14 are implanted in a prescribed area A on the head tip side of an implanted bristle surface of a head 11, and a drain port 22a is opened in an almost central position on the head base end side close to the bristles 14 of the prescribed area A on this tip side, and an injection port having the area smaller than the drain port 22a is opened on the implanted bristle surface in a more head base end side position than the drain port 22a, and the injection port is connected to a cleaning liquid agent supply source by a hose, and the drain port 22a is connected to a negative pressure sucking device by a hose.</p> |
