US 11,903,678 B2
3-dimensional intraoral scanner
Min Ho Chang, Seoul (KR); Soo Bok Lee, Seoul (KR); and Kwang Jin Jang, Seoul (KR)
Assigned to MEDIT CORP., Seoul (KR)
Filed by MEDIT CORP., Seoul (KR)
Filed on Nov. 2, 2020, as Appl. No. 17/087,615.
Application 17/087,615 is a continuation of application No. PCT/KR2019/005242, filed on May 2, 2019.
Claims priority of application No. 10-2018-0051432 (KR), filed on May 3, 2018.
Prior Publication US 2021/0045637 A1, Feb. 18, 2021
Int. Cl. H04N 7/18 (2006.01); A61B 5/00 (2006.01); A61B 1/00 (2006.01); A61B 1/24 (2006.01)
CPC A61B 5/0088 (2013.01) [A61B 1/00194 (2022.02); A61B 1/24 (2013.01); A61B 5/0062 (2013.01); A61B 5/0073 (2013.01); A61B 5/0079 (2013.01)] 12 Claims
OG exemplary drawing
 
1. A three-dimensional intraoral scanner comprising:
a housing insertable into and withdrawable from an oral cavity and having an open area allowing an internal shape (hereinafter, referred to as an image) of the oral cavity to be introduced as light thereinto through one end portion;
a pair of lenses disposed within the housing and disposed to be spaced apart from each other in a transverse direction of the housing in order to allow the light entering from one end portion of the housing to pass along different paths therethrough;
a pair of imaging boards respectively including an imaging sensor receiving the light that has passed through the pair of lenses to generate image information from the light and disposed in close contact with one and the other sidewalls of the housing in the transverse direction, respectively; and
a pair of light path changing portions disposed to redirect light paths of the light, which has passed through the pair of lenses, toward the imaging boards.