US 12,150,825 B2
Oral cavity cleaner including suction pipe
Sungkwon Ko, Chuncheon-si (KR); and Hyunjong Kim, Seongnam-si (KR)
Assigned to SMDsolution Co., Ltd., Seoul (KR)
Filed by SMDsolution Co., Ltd., Seoul (KR)
Filed on Oct. 28, 2021, as Appl. No. 17/512,732.
Claims priority of application No. 10-2020-0143687 (KR), filed on Oct. 30, 2020.
Prior Publication US 2022/0133453 A1, May 5, 2022
Int. Cl. A61C 17/06 (2006.01); A61C 17/02 (2006.01)
CPC A61C 17/06 (2019.05) [A61C 17/0211 (2013.01)] 16 Claims
OG exemplary drawing
 
1. An oral cavity cleaner comprising:
a handle comprising an inflow path through which washing water is able to flow and a discharge flow path through which contaminated water sucked from an oral cavity is able to flow;
a mouthpiece configured to be connected to the inflow path, having
a spray hole configured to spray the washing water into the oral cavity, and
a front suction hole configured to be positioned opposite an occlusal surface of a user's teeth, configured to suck the contaminated water;
a core suction part configured to suck the contaminated water that has been discharged from the mouthpiece and washed teeth; and
a suction pipe disposed inside the mouthpiece and connected to a discharge flow path,
wherein the suction pipe is configured to contact an inner surface of the mouthpiece and protrude in the direction of the front suction hole, the suction pipe forming a flow interval between the inner surface of the mouthpiece and an outer surface of the suction pipe and allowing the washing water to flow across the suction pipe.