US 12,376,947 B2
Oral cavity cleaner for automatically sucking contaminated water for washing oral cavity
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. 17/512,731.
Claims priority of application No. 10-2020-0143686 (KR), filed on Oct. 30, 2020.
Prior Publication US 2022/0133452 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)] 5 Claims
OG exemplary drawing
 
1. An oral cavity cleaner comprising:
a handle comprising an inflow path through which washing water flows and a discharge flow path through which contaminated water sucked from an oral cavity flows;
a mouthpiece configured to spray the washing water supplied through the handle into the oral cavity;
and a core suction part having U-shaped lower suction holes for sucking the contaminated water that has been discharged from the mouthpiece and washed teeth;
wherein the core suction part comprises a U-shaped suction guide portion connected to the U-shaped lower suction holes and protruding downward;
wherein the U-shaped lower suction holes are arranged in a forward/rearward centerline direction of the mouthpiece and vertically aligned;
wherein the U-shaped suction guide portion includes a trough formed through the center of each U-shaped suction guide portion at the forward/rearward centerline direction of the mouthpiece to form a gap that allows the contaminated water to flow forward.