公开(公告)号：US20200214574A1

公开(公告)日：2020-07-09

申请号：US16820505

申请日：2020-03-16

Applicant: Align Technology, Inc.

Inventor： Yossef Atiya ,  Tal Verker ,  Nir Makmel

IPC: A61B5/00 ,  G02B13/16 ,  G02B6/26 ,  F21V8/00 ,  G01B11/24 ,  G01B11/245 ,  A61C9/00 ,  G02B5/04 ,  G02B23/24

Abstract: An apparatus for dental confocal imaging comprises an illumination module for generating an array of light beams, an optics system for confocal focusing of the array of light beams and a probe head with a light-guiding part having an entrance face and an exit face. The illumination module, the optics system and the probe head are arranged such that the array of light beams from the illumination module passes through the optics system, enters the light-guiding part via the entrance face and exits the light-guiding part via the exit face. The optics system is configured such that, after having passed through the optics system, the outermost marginal rays of the outermost light beams with respect to the optical axis of the optics system are parallel or divergent to the optical axis.

公开(公告)号：US10606911B2

公开(公告)日：2020-03-31

申请号：US16188262

申请日：2018-11-12

Applicant: Align Technology, Inc.

Inventor： Gilad Elbaz ,  Erez Lampert ,  Yossef Atiya ,  Avi Kopelman ,  Ofer Saphier ,  Maayan Moshe ,  Shai Ayal

IPC: G06T7/55 ,  H04N13/271 ,  G06T17/00 ,  G06T7/73 ,  H04N13/257 ,  H04N13/254 ,  A61B1/24 ,  A61B5/00 ,  A61C9/00 ,  G06T15/08 ,  H04N13/246 ,  H04N13/221 ,  G06F16/9535 ,  G06Q50/00

Abstract: Methods and apparatuses for generating a model of a subject's teeth. Described herein are intraoral scanning methods and apparatuses for generating a three-dimensional model of a subject's intraoral region (e.g., teeth) including both surface features and internal features. These methods and apparatuses may be used for identifying and evaluating lesions, caries and cracks in the teeth. Any of these methods and apparatuses may use minimum scattering coefficients and/or segmentation to form a volumetric model of the teeth.

公开(公告)号：US20190388194A1

公开(公告)日：2019-12-26

申请号：US16446190

申请日：2019-06-19

Applicant: Align Technology, Inc.

Inventor： Yossef Atiya ,  Erez Lampert ,  Avi Kopelman

IPC: A61C9/00 ,  G06T17/00 ,  G06T7/80 ,  G02B27/42 ,  H04N9/31

Abstract: A handheld wand comprises a probe at a distal end of the elongate handheld wand. The probe includes a light projector and a light field camera. The light projector includes a light source and a pattern generator configured to generate a light pattern. The light field camera includes a light field camera sensor, the light field camera sensor comprising an image sensor comprising an array of sensor pixels, and an array of micro-lenses disposed in front of the image sensor such that each micro-lens is disposed over a sub-array of the array of sensor pixels.

公开(公告)号：US10507087B2

公开(公告)日：2019-12-17

申请号：US16410949

申请日：2019-05-13

Applicant: Align Technology, Inc.

Inventor： Gilad Elbaz ,  Erez Lampert ,  Yossef Atiya ,  Avi Kopelman ,  Ofer Saphier ,  Maayan Moshe ,  Shai Ayal ,  Michael Sabina ,  Eric Kuo ,  Assaf Weiss ,  Doron Malka ,  Eliahou Franklin Nizard ,  Ido Tishel

IPC: A61C9/00 ,  A61B1/00 ,  A61B1/06 ,  A61B1/24

Abstract: Methods and apparatuses for generating a model of a subject's teeth. Described herein are intraoral scanning methods and apparatuses for generating a three-dimensional model of a subject's intraoral region (e.g., teeth) including both surface features and internal features. These methods and apparatuses may be used for identifying and evaluating lesions, caries and cracks in the teeth. Any of these methods and apparatuses may use minimum scattering coefficients and/or segmentation to form a volumetric model of the teeth.

公开(公告)号：US10456043B2

公开(公告)日：2019-10-29

申请号：US15859010

申请日：2017-12-29

Applicant: Align Technology, Inc.

Inventor： Yossef Atiya ,  Tal Verker

IPC: G01B11/24 ,  A61B5/00 ,  A61C7/00 ,  A61C9/00 ,  G02B21/00 ,  A61B1/247 ,  G02B21/36 ,  G01B11/06 ,  A61C19/04

Abstract: Described herein are apparatuses and methods for confocal 3D scanning. The apparatus can comprise a spatial pattern disposed on a transparent base and a light source configured to provide illumination to the spatial pattern and an optical system comprising projection/imaging optics having one or more lenses and an optical axis. The projecting/imaging optics may be scanned to provide depth scanning by moving along the optical axis.

公开(公告)号：US10123706B2

公开(公告)日：2018-11-13

申请号：US15662234

申请日：2017-07-27

Applicant: Align Technology, Inc.

Inventor： Gilad Elbaz ,  Erez Lampert ,  Yossef Atiya ,  Avi Kopelman ,  Ofer Saphier ,  Maayan Moshe ,  Shai Ayal

IPC: A61B5/00 ,  A61B1/24 ,  G06T7/73 ,  H04N13/254 ,  H04N13/257 ,  G06T7/55 ,  G06T15/08 ,  H04N13/221 ,  H04N13/246 ,  A61C9/00

Abstract: Methods and apparatuses for generating a model of a subject's teeth. Described herein are intraoral scanning methods and apparatuses for generating a three-dimensional model of a subject's intraoral region (e.g., teeth) including both surface features and internal features. These methods and apparatuses may be used for identifying and evaluating lesions, caries and cracks in the teeth. Any of these methods and apparatuses may use minimum scattering coefficients and/or segmentation to form a volumetric model of the teeth.

公开(公告)号：US20170252132A1

公开(公告)日：2017-09-07

申请号：US15601512

申请日：2017-05-22

Applicant: Align Technology, Inc.

Inventor： Yossef Atiya ,  Tal Verker

IPC: A61C9/00 ,  A61B1/24 ,  G01B11/24 ,  A61B5/00 ,  G02B6/27 ,  G02B6/32

CPC classification number: A61C9/0053 ,  A61B1/24 ,  A61B5/0068 ,  A61C9/0066 ,  G01B11/24 ,  G02B6/2726 ,  G02B6/32

Abstract: A probe head for dental confocal imaging, comprises a light-guiding part for guiding a light beam towards a teeth portion, the light-guiding part having an entrance face through which the light beam enters the light-guiding part and an exit face through which the light beam exits the light-guiding part, wherein the light-guiding part is configured, in case of a linearly polarized light beam having two polarization components being perpendicular to each other, to change polarization of the linearly polarized light beam on its path through the light-guiding part in such a way that one of the two polarization components, compared to the other of the two polarization components, is retarded by an odd multiple of a quarter of a wavelength of the light beam along the path from the entrance face to the exit face.

公开(公告)号：US12268474B2

公开(公告)日：2025-04-08

申请号：US18610122

申请日：2024-03-19

Applicant: Align Technology, Inc.

Inventor： Yossef Atiya ,  Tal Verker ,  Nir Makmel

IPC: A61B5/00 ,  A61C9/00 ,  F21V8/00 ,  G01B11/24 ,  G01B11/245 ,  G02B5/04 ,  G02B6/00 ,  G02B6/26 ,  G02B13/16 ,  G02B23/24

Abstract: An intraoral scanner comprises a housing, a light source for generating light, an optics system for focusing the light, a detector for detecting returning light reflected off an intraoral object, and a focus shifting mechanism configured to shift a focal plane of the optics system. The optics system is configured such that, after having passed through the optics system, an outermost chief ray of the light with respect to an optical axis of the optics system is divergent to the optical axis and an outermost marginal ray of the light with respect to the optical axis is parallel or divergent to the optical axis.

公开(公告)号：US12097009B2

公开(公告)日：2024-09-24

申请号：US18207622

申请日：2023-06-08

Applicant: Align Technology, Inc.

Inventor： Yossef Atiya ,  Tal Verker

IPC: A61B5/00 ,  A61B1/247 ,  A61C7/00 ,  A61C9/00 ,  G01B11/06 ,  G01B11/24 ,  G02B21/00 ,  G02B21/36 ,  A61C19/04

CPC classification number: A61B5/0068 ,  A61B1/247 ,  A61B5/0088 ,  A61C7/002 ,  A61C9/006 ,  A61C9/0066 ,  G01B11/0608 ,  G01B11/24 ,  G02B21/0024 ,  G02B21/0028 ,  G02B21/367 ,  A61B5/7246 ,  A61C19/04

Abstract: An apparatus for intraoral three-dimensional (3D) scanning comprises a light source, a spatial pattern, a beam splitter, an optical system comprising fewer than 10 lenses, a mirror, an image sensor, and a depth scanning module. The depth scanning module is configured to axially translate one or more lenses of the optical system in the optical axis to change a focus setting of the optical system, wherein the depth scanning module is configured to axially translate the one or more lenses by 0.1-5 mm to achieve a depth scanning range of 5-40 mm at a scan speed of about 5-50 scans per second.

公开(公告)号：US20240156577A1

公开(公告)日：2024-05-16

申请号：US18418211

申请日：2024-01-19

Applicant: Align Technology, Inc.

Inventor： Ofer Saphier ,  Yossef Atiya ,  Arkady Rudnitsky ,  Nir Makmel ,  Sergei Ozerov ,  Tal Verker ,  Tal Levy

IPC: A61C9/00 ,  A61B1/00 ,  A61B1/24 ,  G02B27/42 ,  G06T7/521 ,  G06T7/586 ,  G06T7/80 ,  G06T17/00 ,  H04N9/31

CPC classification number: A61C9/006 ,  A61B1/00096 ,  A61B1/00172 ,  A61B1/00193 ,  A61B1/24 ,  G02B27/4222 ,  G02B27/4227 ,  G06T7/521 ,  G06T7/586 ,  G06T7/80 ,  G06T7/85 ,  G06T17/00 ,  H04N9/3161 ,  G06T2207/10024 ,  G06T2207/10028 ,  G06T2207/10052 ,  G06T2207/30036

Abstract: A dental scanning system comprises an intraoral scanner and one or more processors. The intraoral scanner comprises one or more light projectors configured to project a pattern (comprising a plurality of pattern features) on a dental object, and two or more cameras configured to acquire sets of images, each comprising at least one image from each camera. The processor(s) are configured to determine a correspondence between pattern features in the pattern of light and image features in each set of images by determining intersections of projector rays corresponding to one or more of the plurality of pattern features and camera rays corresponding to the one or more image features in three-dimensional (3D) space based on calibration data that associates the camera rays corresponding to pixels on the camera sensor of each of the two or more cameras to the projector rays.