CN109313016A - 利用流体分割的口内3d扫描仪 - Google Patents
利用流体分割的口内3d扫描仪 Download PDFInfo
- Publication number
- CN109313016A CN109313016A CN201680086336.1A CN201680086336A CN109313016A CN 109313016 A CN109313016 A CN 109313016A CN 201680086336 A CN201680086336 A CN 201680086336A CN 109313016 A CN109313016 A CN 109313016A
- Authority
- CN
- China
- Prior art keywords
- signal
- dental surface
- tooth
- response signal
- rendering
- Prior art date
- Legal status (The legal status 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 status listed.)
- Granted
Links
- 239000012530 fluid Substances 0.000 title claims description 42
- 230000011218 segmentation Effects 0.000 title description 7
- 238000000034 method Methods 0.000 claims abstract description 33
- 239000000523 sample Substances 0.000 claims abstract description 31
- 230000004044 response Effects 0.000 claims abstract description 29
- 238000009877 rendering Methods 0.000 claims abstract description 16
- 238000005086 pumping Methods 0.000 claims abstract description 11
- 239000007788 liquid Substances 0.000 claims abstract description 9
- 230000005540 biological transmission Effects 0.000 claims abstract description 6
- 238000012014 optical coherence tomography Methods 0.000 claims description 32
- 230000003287 optical effect Effects 0.000 claims description 12
- 238000004891 communication Methods 0.000 claims description 8
- 210000003296 saliva Anatomy 0.000 claims description 7
- 239000008280 blood Substances 0.000 claims description 6
- 210000004369 blood Anatomy 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 230000005284 excitation Effects 0.000 claims description 3
- 230000011664 signaling Effects 0.000 claims 2
- 238000003384 imaging method Methods 0.000 description 31
- 238000012545 processing Methods 0.000 description 12
- 230000000875 corresponding effect Effects 0.000 description 10
- 238000004590 computer program Methods 0.000 description 7
- 230000008859 change Effects 0.000 description 5
- 238000012512 characterization method Methods 0.000 description 5
- 238000003709 image segmentation Methods 0.000 description 5
- 238000001228 spectrum Methods 0.000 description 5
- 238000002604 ultrasonography Methods 0.000 description 5
- 230000006870 function Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 230000009466 transformation Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000003595 spectral effect Effects 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 241001416152 Bos frontalis Species 0.000 description 1
- 238000013528 artificial neural network Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 210000001124 body fluid Anatomy 0.000 description 1
- 239000010839 body fluid Substances 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 210000004195 gingiva Anatomy 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000005923 long-lasting effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000003239 periodontal effect Effects 0.000 description 1
- 238000002310 reflectometry Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000012552 review Methods 0.000 description 1
- -1 saliva Substances 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 230000036548 skin texture Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000000638 solvent extraction Methods 0.000 description 1
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
- A61C9/0086—Acoustic means or methods
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/24—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor for the mouth, i.e. stomatoscopes, e.g. with tongue depressors; Instruments for opening or keeping open the mouth
-
- 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
- A61B5/0066—Optical coherence imaging
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/0093—Detecting, measuring or recording by applying one single type of energy and measuring its conversion into another type of energy
- A61B5/0095—Detecting, measuring or recording by applying one single type of energy and measuring its conversion into another type of energy by applying light and detecting acoustic waves, i.e. photoacoustic measurements
-
- 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
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/24—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B17/00—Measuring arrangements characterised by the use of infrasonic, sonic or ultrasonic vibrations
- G01B17/06—Measuring arrangements characterised by the use of infrasonic, sonic or ultrasonic vibrations for measuring contours or curvatures
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B9/00—Measuring instruments characterised by the use of optical techniques
- G01B9/02—Interferometers
- G01B9/02083—Interferometers characterised by particular signal processing and presentation
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B9/00—Measuring instruments characterised by the use of optical techniques
- G01B9/02—Interferometers
- G01B9/0209—Low-coherence interferometers
- G01B9/02091—Tomographic interferometers, e.g. based on optical coherence
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/10—Segmentation; Edge detection
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/10—Segmentation; Edge detection
- G06T7/12—Edge-based segmentation
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/50—Depth or shape recovery
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/30—Subject of image; Context of image processing
- G06T2207/30004—Biomedical image processing
- G06T2207/30036—Dental; Teeth
Landscapes
- Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- Animal Behavior & Ethology (AREA)
- Radiology & Medical Imaging (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Theoretical Computer Science (AREA)
- Surgery (AREA)
- Dentistry (AREA)
- Pathology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Biophysics (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Signal Processing (AREA)
- Optics & Photonics (AREA)
- Acoustics & Sound (AREA)
- Epidemiology (AREA)
- Endoscopes (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
Description
Claims (15)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/US2016/034986 WO2017209729A1 (en) | 2016-05-31 | 2016-05-31 | Intraoral 3d scanner with fluid segmentation |
Publications (2)
Publication Number | Publication Date |
---|---|
CN109313016A true CN109313016A (zh) | 2019-02-05 |
CN109313016B CN109313016B (zh) | 2021-05-11 |
Family
ID=56133078
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201680086336.1A Active CN109313016B (zh) | 2016-05-31 | 2016-05-31 | 利用流体分割的口内3d扫描仪 |
Country Status (7)
Country | Link |
---|---|
US (1) | US10966803B2 (zh) |
EP (1) | EP3465082B1 (zh) |
JP (1) | JP6952724B2 (zh) |
KR (1) | KR20190013789A (zh) |
CN (1) | CN109313016B (zh) |
DK (1) | DK3465082T3 (zh) |
WO (1) | WO2017209729A1 (zh) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10129448B2 (en) * | 2016-07-20 | 2018-11-13 | Dental Imaging Technologies Corporation | Optical coherence tomography imaging system |
NL2020541B1 (en) * | 2018-03-06 | 2019-09-13 | Fugro N V | Position Monitoring of a Gasket between Tunnel Segments |
JP6576594B1 (ja) * | 2018-10-05 | 2019-09-18 | 三菱電機株式会社 | 工作装置 |
Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5372502A (en) * | 1988-09-02 | 1994-12-13 | Kaltenbach & Voight Gmbh & Co. | Optical probe and method for the three-dimensional surveying of teeth |
US20060134581A1 (en) * | 2003-07-23 | 2006-06-22 | Orametrix, Inc. | Automatic crown and gingiva detection from three-dimensional virtual model of teeth |
CN101528116A (zh) * | 2006-09-12 | 2009-09-09 | 卡尔斯特里姆保健公司 | 用于检测龋齿的装置 |
CN101553161A (zh) * | 2006-10-13 | 2009-10-07 | 卡尔斯特里姆保健公司 | 适用于龋齿检测的装置 |
CN101730498A (zh) * | 2006-09-12 | 2010-06-09 | 卡尔斯特里姆保健公司 | 低相干性牙科光学相干断层成像术成像 |
CN101849816A (zh) * | 2009-04-06 | 2010-10-06 | 住友电气工业株式会社 | 利用光学相干断层扫描技术的牙齿诊断系统 |
WO2011058453A1 (en) * | 2009-11-11 | 2011-05-19 | Thiagarajar College Of Engineering | Dental caries detector |
HUP1000675A2 (en) * | 2010-12-17 | 2011-07-28 | Gyoergy Haraszti | Method for producing detachable dental prostheses and such dental prostheses |
CN104657519A (zh) * | 2013-11-18 | 2015-05-27 | 同方威视技术股份有限公司 | 建立釉牙本质界的统计平均模型的方法 |
CN105147401A (zh) * | 2015-08-04 | 2015-12-16 | 北京大学口腔医学院 | 一种基于牙根信息的数字化排牙方法 |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA2433797A1 (en) * | 2001-01-11 | 2002-07-18 | The Johns Hopkins University | Assessment of tooth structure using laser based ultrasonics |
US7255558B2 (en) * | 2002-06-18 | 2007-08-14 | Cadent, Ltd. | Dental imaging instrument having air stream auxiliary |
ATE383817T1 (de) * | 2004-06-17 | 2008-02-15 | Cadent Ltd | Verfahren zum bereitstellen von daten im zusammenhang mit der mundhöhle |
JP3132673U (ja) * | 2006-12-05 | 2007-06-21 | カデント・リミテツド | 空気流補助具を有する歯科用画像化器械 |
JP2008194107A (ja) * | 2007-02-09 | 2008-08-28 | Shiyoufuu:Kk | 歯科用3次元上特性測定・表示装置 |
US8764666B2 (en) * | 2008-10-28 | 2014-07-01 | The Regents Of The University Of California | Ultrasound guided optical coherence tomography, photoacoustic probe for biomedical imaging |
US20110054292A1 (en) * | 2009-05-01 | 2011-03-03 | Visualsonics Inc. | System for photoacoustic imaging and related methods |
DK2442720T3 (en) * | 2009-06-17 | 2016-12-19 | 3Shape As | Focus scan devices |
US20130190591A1 (en) * | 2010-04-30 | 2013-07-25 | Desmond Hirson | Photoacoustic transducer and imaging system |
JP2012145568A (ja) * | 2010-12-21 | 2012-08-02 | Panasonic Corp | 光断層画像取得装置 |
KR102144551B1 (ko) * | 2012-01-23 | 2020-08-14 | 토모웨이브 래버러토리즈, 인코포레이티드 | 레이저 광음향 초음파 영상 시스템 및 그 사용 방법 |
WO2014000745A1 (en) * | 2012-06-27 | 2014-01-03 | 3Shape A/S | 3d intraoral scanner measuring fluorescence |
JP6177777B2 (ja) * | 2012-07-19 | 2017-08-09 | 国立研究開発法人国立長寿医療研究センター | 歯垢、歯肉及び歯槽骨の計測表示方法及び計測表示装置 |
JP6238737B2 (ja) * | 2013-12-26 | 2017-11-29 | キヤノン株式会社 | 光音響装置、信号処理方法、およびプログラム |
US9626462B2 (en) * | 2014-07-01 | 2017-04-18 | 3M Innovative Properties Company | Detecting tooth wear using intra-oral 3D scans |
WO2016113745A1 (en) * | 2015-01-18 | 2016-07-21 | Dentlytec G.P.L. Ltd | System, device, and method for dental intraoral scanning |
WO2017144934A1 (en) * | 2016-02-26 | 2017-08-31 | Trophy | Guided surgery apparatus and method |
-
2016
- 2016-05-31 KR KR1020187034665A patent/KR20190013789A/ko unknown
- 2016-05-31 WO PCT/US2016/034986 patent/WO2017209729A1/en unknown
- 2016-05-31 EP EP16729710.0A patent/EP3465082B1/en active Active
- 2016-05-31 CN CN201680086336.1A patent/CN109313016B/zh active Active
- 2016-05-31 JP JP2018562967A patent/JP6952724B2/ja active Active
- 2016-05-31 US US16/306,523 patent/US10966803B2/en active Active
- 2016-05-31 DK DK16729710.0T patent/DK3465082T3/da active
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5372502A (en) * | 1988-09-02 | 1994-12-13 | Kaltenbach & Voight Gmbh & Co. | Optical probe and method for the three-dimensional surveying of teeth |
US20060134581A1 (en) * | 2003-07-23 | 2006-06-22 | Orametrix, Inc. | Automatic crown and gingiva detection from three-dimensional virtual model of teeth |
CN101528116A (zh) * | 2006-09-12 | 2009-09-09 | 卡尔斯特里姆保健公司 | 用于检测龋齿的装置 |
CN101730498A (zh) * | 2006-09-12 | 2010-06-09 | 卡尔斯特里姆保健公司 | 低相干性牙科光学相干断层成像术成像 |
CN101553161A (zh) * | 2006-10-13 | 2009-10-07 | 卡尔斯特里姆保健公司 | 适用于龋齿检测的装置 |
CN101849816A (zh) * | 2009-04-06 | 2010-10-06 | 住友电气工业株式会社 | 利用光学相干断层扫描技术的牙齿诊断系统 |
WO2011058453A1 (en) * | 2009-11-11 | 2011-05-19 | Thiagarajar College Of Engineering | Dental caries detector |
HUP1000675A2 (en) * | 2010-12-17 | 2011-07-28 | Gyoergy Haraszti | Method for producing detachable dental prostheses and such dental prostheses |
CN104657519A (zh) * | 2013-11-18 | 2015-05-27 | 同方威视技术股份有限公司 | 建立釉牙本质界的统计平均模型的方法 |
CN105147401A (zh) * | 2015-08-04 | 2015-12-16 | 北京大学口腔医学院 | 一种基于牙根信息的数字化排牙方法 |
Non-Patent Citations (4)
Title |
---|
RENXIANG CHENG等: "Noninvasive Assessment of Early Dental Lesion Using a Dual-Contrast Photoacoustic Tomography", 《SCIENTIFIC REPORTS》 * |
STEFANO BENAZZI等: "Improving the spatial orientation of human teeth using a virtual 3D approach", 《JOURNAL OF HUMAN EVOLUTION》 * |
刘怡等: "锥形束计算机断层扫描中牙齿的分割精度", 《北京大学学报(医学版)》 * |
高鹏程等: "牙颌模型三维数字化技术及其在口腔正畸学中的应用进展", 《口腔生物医学》 * |
Also Published As
Publication number | Publication date |
---|---|
DK3465082T3 (da) | 2020-11-30 |
JP6952724B2 (ja) | 2021-10-20 |
KR20190013789A (ko) | 2019-02-11 |
EP3465082A1 (en) | 2019-04-10 |
EP3465082B1 (en) | 2020-10-07 |
US10966803B2 (en) | 2021-04-06 |
US20190133725A1 (en) | 2019-05-09 |
CN109313016B (zh) | 2021-05-11 |
JP2019517872A (ja) | 2019-06-27 |
WO2017209729A1 (en) | 2017-12-07 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US20210038324A1 (en) | Guided surgery apparatus and method | |
US10278584B2 (en) | Method and system for three-dimensional imaging | |
US20240065552A1 (en) | Intraoral oct with color texture | |
US7823782B2 (en) | Dental optical coherence tomograph | |
JP5183381B2 (ja) | 測定装置及び測定方法 | |
CN111164373B (zh) | 使用具有穿透能力的口内扫描仪进行的表面映射 | |
JP5779169B2 (ja) | 音響画像生成装置およびそれを用いて画像を生成する際の進捗状況の表示方法 | |
US10463243B2 (en) | Structured light generation for intraoral 3D camera using 1D MEMS scanning | |
JP2013078674A (ja) | 同時無侵襲的に得られた信号の相関 | |
WO2013012019A1 (en) | Acoustic signal receiving apparatus and imaging apparatus | |
CN106560160A (zh) | 被检体信息获取装置及其控制方法 | |
CN109313016A (zh) | 利用流体分割的口内3d扫描仪 | |
JP5847454B2 (ja) | 被検体情報取得装置、表示制御方法およびプログラム | |
WO2019102969A1 (ja) | 情報処理装置、情報処理方法、プログラム | |
JP6072206B2 (ja) | 被検体情報取得装置および表示方法 | |
JP2017164222A (ja) | 処理装置および処理方法 | |
JP2018192309A (ja) | 情報処理装置、情報処理方法およびプログラム | |
US12016653B2 (en) | Optical coherence tomography scanning system and methods | |
JP2019010346A (ja) | 被検体情報取得装置および超音波探触子 | |
US20230263396A1 (en) | Intraoral scanner having tomographic imaging function and method for detecting cracks in oral structures using the same | |
US20230021695A1 (en) | Multimodal intraoral scanning | |
KR20230166390A (ko) | 초음파 기반 호흡 보정을 이용한 3차원 광음향 영상 구현을 위한 장치 및 방법 | |
JP2017051759A (ja) | 情報処理装置および情報処理方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20220801 Address after: State of Georgia, US Patentee after: Ruike dental Co.,Ltd. Address before: London Patentee before: CARESTREAM HEALTH, Inc. |
|
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20220915 Address after: Pennsylvania, America Patentee after: IMAGING SCIENCES INTERNATIONAL LLC Address before: State of Georgia, US Patentee before: Ruike dental Co.,Ltd. |