DK3628271T3 - Apparat til ændring af et fokuspunkt for et optisk system i en dental 3d-scanner og dental 3d-scanner - Google Patents

Apparat til ændring af et fokuspunkt for et optisk system i en dental 3d-scanner og dental 3d-scanner Download PDF

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Publication number
DK3628271T3
DK3628271T3 DK18197051.8T DK18197051T DK3628271T3 DK 3628271 T3 DK3628271 T3 DK 3628271T3 DK 18197051 T DK18197051 T DK 18197051T DK 3628271 T3 DK3628271 T3 DK 3628271T3
Authority
DK
Denmark
Prior art keywords
dental
scanner
changing
optical system
focus point
Prior art date
Application number
DK18197051.8T
Other languages
English (en)
Inventor
Markus Berner
Martin Seib
Fabrizio Confalonieri
Original Assignee
Sirona Dental Systems Gmbh
Dentsply Sirona Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sirona Dental Systems Gmbh, Dentsply Sirona Inc filed Critical Sirona Dental Systems Gmbh
Application granted granted Critical
Publication of DK3628271T3 publication Critical patent/DK3628271T3/da

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C9/00—Impression cups, i.e. impression trays; Impression methods
    • A61C9/004—Means or methods for taking digitized impressions
    • A61C9/0046—Data acquisition means or methods
    • A61C9/0053—Optical means or methods, e.g. scanning the teeth by a laser or light beam
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
    • G02B7/04—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/0059—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence
    • A61B5/0062—Arrangements for scanning
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/0059—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence
    • A61B5/0082—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence adapted for particular medical purposes
    • A61B5/0088—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence adapted for particular medical purposes for oral or dental tissue
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C9/00—Impression cups, i.e. impression trays; Impression methods
    • A61C9/004—Means or methods for taking digitized impressions
    • A61C9/0046—Data acquisition means or methods
    • A61C9/0053—Optical means or methods, e.g. scanning the teeth by a laser or light beam
    • A61C9/0066—Depth determination through adaptive focusing
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/64—Imaging systems using optical elements for stabilisation of the lateral and angular position of the image
    • G02B27/646—Imaging systems using optical elements for stabilisation of the lateral and angular position of the image compensating for small deviations, e.g. due to vibration or shake
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
    • G02B7/04—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification
    • G02B7/08—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification adapted to co-operate with a remote control mechanism
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B18/18—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves
    • A61B18/20—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using laser
    • A61B2018/2035—Beam shaping or redirecting; Optical components therefor
    • A61B2018/20351—Scanning mechanisms
    • A61B2018/20353—Scanning in three dimensions [3D]

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • General Health & Medical Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Optics & Photonics (AREA)
  • Molecular Biology (AREA)
  • Dentistry (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Engineering & Computer Science (AREA)
  • Surgery (AREA)
  • Pathology (AREA)
  • Biophysics (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Biomedical Technology (AREA)
  • General Physics & Mathematics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Radiology & Medical Imaging (AREA)
  • Epidemiology (AREA)
  • Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
  • Endoscopes (AREA)
DK18197051.8T 2018-09-27 2018-09-27 Apparat til ændring af et fokuspunkt for et optisk system i en dental 3d-scanner og dental 3d-scanner DK3628271T3 (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP18197051.8A EP3628271B1 (en) 2018-09-27 2018-09-27 Apparatus for varying a focal point of an optical system in a dental 3d-scanner and dental 3d-scanner

Publications (1)

Publication Number Publication Date
DK3628271T3 true DK3628271T3 (da) 2021-09-06

Family

ID=63685803

Family Applications (1)

Application Number Title Priority Date Filing Date
DK18197051.8T DK3628271T3 (da) 2018-09-27 2018-09-27 Apparat til ændring af et fokuspunkt for et optisk system i en dental 3d-scanner og dental 3d-scanner

Country Status (9)

Country Link
US (1) US12066686B2 (da)
EP (1) EP3628271B1 (da)
JP (1) JP7439068B2 (da)
KR (1) KR102779552B1 (da)
CN (1) CN112739289B (da)
AU (1) AU2019348524B2 (da)
CA (1) CA3109249C (da)
DK (1) DK3628271T3 (da)
WO (1) WO2020064992A1 (da)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116327116A (zh) * 2021-12-22 2023-06-27 3 形状股份有限公司 包括新型透镜驱动机构的扫描仪
JP7762179B2 (ja) * 2023-05-24 2025-10-29 株式会社モリタ製作所 三次元スキャナおよび制御方法
JP2025167538A (ja) * 2024-04-26 2025-11-07 株式会社モリタ製作所 医療用診療装置
WO2026000137A1 (en) * 2024-06-24 2026-01-02 Alliedstar (Shanghai) Medical Technology Co., Ltd. Intraoral imaging device

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4902083A (en) * 1988-05-31 1990-02-20 Reflection Technology, Inc. Low vibration resonant scanning unit for miniature optical display apparatus
US5210636A (en) * 1991-07-19 1993-05-11 Baer Stephen C Rotational oscillatory optical scanning device
DE10356412A1 (de) * 2003-11-24 2005-06-23 Universität Stuttgart Multifokales konfokales Verfahren und konfokale Anordnung für wenig kooperative Objekte
DE112004003014T5 (de) * 2004-11-15 2008-01-03 Kabushiki Kaisha Morita Tokyo Seisakusho Optische Zahndiagnosevorrichtung
DE102007005625A1 (de) * 2007-01-31 2008-08-07 Gaus, Harry, Dr. Dentalkamera zur 3D-Vermessung mit Scaneinrichtung
DE102007005726B4 (de) * 2007-01-31 2010-05-12 Sirona Dental Systems Gmbh Vorrichtung und Verfahren zur optischen 3D-Vermessung
US7933056B2 (en) * 2007-09-26 2011-04-26 Che-Chih Tsao Methods and systems of rapid focusing and zooming for volumetric 3D displays and cameras
EP2051042B1 (de) 2007-10-18 2010-11-03 Nectar Imaging S.r.l. Vorrichtung zur tomografischen Erfassung von Objekten
CN201369764Y (zh) * 2009-02-17 2009-12-23 杭州华杭科技有限公司 扫描仪
CN104783757B (zh) * 2009-06-17 2018-01-05 3形状股份有限公司 聚焦扫描设备
US8134719B2 (en) * 2010-03-19 2012-03-13 Carestream Health, Inc. 3-D imaging using telecentric defocus
CN103491897B (zh) * 2010-12-21 2016-01-20 3形状股份有限公司 运动模糊补偿
JP5945814B2 (ja) 2011-12-05 2016-07-05 パナソニックＩｐマネジメント株式会社 リニアアクチュエータおよびこれを備える口腔衛生装置
DE102015209404B4 (de) * 2015-05-22 2018-05-03 Sirona Dental Systems Gmbh Verfahren und Kamera zur dreidimensionalen Vermessung eines dentalen Objekts
WO2018123521A1 (ja) * 2016-12-27 2018-07-05 株式会社キトー 三相・単相交流電源対応型電動巻上機
US10456043B2 (en) * 2017-01-12 2019-10-29 Align Technology, Inc. Compact confocal dental scanning apparatus

Also Published As

Publication number Publication date
CN112739289B (zh) 2022-06-24
BR112021004041A2 (pt) 2021-05-25
AU2019348524B2 (en) 2024-06-27
JP2022502176A (ja) 2022-01-11
KR20210068454A (ko) 2021-06-09
EP3628271B1 (en) 2021-07-21
US20210389549A1 (en) 2021-12-16
US12066686B2 (en) 2024-08-20
WO2020064992A1 (en) 2020-04-02
KR102779552B1 (ko) 2025-03-10
CA3109249C (en) 2023-05-23
CN112739289A (zh) 2021-04-30
AU2019348524A1 (en) 2021-03-04
JP7439068B2 (ja) 2024-02-27
EP3628271A1 (en) 2020-04-01
CA3109249A1 (en) 2020-04-02

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