FI119909B - En för tänder avsedd röntgenavbildningsapparat med en panoramavisning - Google Patents

En för tänder avsedd röntgenavbildningsapparat med en panoramavisning Download PDF

Info

Publication number
FI119909B
FI119909B FI964677A FI964677A FI119909B FI 119909 B FI119909 B FI 119909B FI 964677 A FI964677 A FI 964677A FI 964677 A FI964677 A FI 964677A FI 119909 B FI119909 B FI 119909B
Authority
FI
Finland
Prior art keywords
image
tomography
ray
images
interference
Prior art date
Application number
FI964677A
Other languages
English (en)
Finnish (fi)
Other versions
FI964677A (sv
FI964677A0 (sv
Inventor
Yoshinori Arai
Original Assignee
Morita Mfg
Univ Nihon
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=17936136&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=FI119909(B) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Morita Mfg, Univ Nihon filed Critical Morita Mfg
Publication of FI964677A0 publication Critical patent/FI964677A0/sv
Publication of FI964677A publication Critical patent/FI964677A/sv
Application granted granted Critical
Publication of FI119909B publication Critical patent/FI119909B/sv

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/52—Devices using data or image processing specially adapted for radiation diagnosis
    • A61B6/5211—Devices using data or image processing specially adapted for radiation diagnosis involving processing of medical diagnostic data
    • A61B6/5229—Devices using data or image processing specially adapted for radiation diagnosis involving processing of medical diagnostic data combining image data of a patient, e.g. combining a functional image with an anatomical image
    • A61B6/5235—Devices using data or image processing specially adapted for radiation diagnosis involving processing of medical diagnostic data combining image data of a patient, e.g. combining a functional image with an anatomical image combining images from the same or different ionising radiation imaging techniques, e.g. PET and CT
    • A61B6/5241—Devices using data or image processing specially adapted for radiation diagnosis involving processing of medical diagnostic data combining image data of a patient, e.g. combining a functional image with an anatomical image combining images from the same or different ionising radiation imaging techniques, e.g. PET and CT combining overlapping images of the same imaging modality, e.g. by stitching
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/50—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment specially adapted for specific body parts; specially adapted for specific clinical applications
    • A61B6/51—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment specially adapted for specific body parts; specially adapted for specific clinical applications for dentistry
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
    • G01N23/02—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material
    • G01N23/04—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and forming images of the material
    • G01N23/046—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and forming images of the material using tomography, e.g. computed tomography [CT]
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B42/00—Obtaining records using waves other than optical waves; Visualisation of such records by using optical means
    • G03B42/02—Obtaining records using waves other than optical waves; Visualisation of such records by using optical means using X-rays
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/30—Cameras or camera modules comprising electronic image sensors; Control thereof for generating image signals from X-rays
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05G—X-RAY TECHNIQUE
    • H05G1/00—X-ray apparatus involving X-ray tubes; Circuits therefor
    • H05G1/08—Electrical details
    • H05G1/64—Circuit arrangements for X-ray apparatus incorporating image intensifiers
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2223/00—Investigating materials by wave or particle radiation
    • G01N2223/40—Imaging
    • G01N2223/419—Imaging computed tomograph
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/30—Transforming light or analogous information into electric information
    • H04N5/32—Transforming X-rays

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Medical Informatics (AREA)
  • Pathology (AREA)
  • General Health & Medical Sciences (AREA)
  • Radiology & Medical Imaging (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Physics & Mathematics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Biophysics (AREA)
  • Optics & Photonics (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Pulmonology (AREA)
  • Theoretical Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Immunology (AREA)
  • Dentistry (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Apparatus For Radiation Diagnosis (AREA)

Claims (2)

1. Röntgenavbildningsapparat för tänder med panoramavisning, som omfattar: 5. en röntgensträlavsändare (2) för att emittera röntgensträlar mot ett föremäl (1 ); medel (3) för att detektera en bild av röntgensträlar som har penetrerat föremälet; medel (4) för att rotera röntgenstralavsändaren (2) och detekte-10 ringsmedlen (3) av röntgensträlar integralt kring föremälet; medel (5) för att lagra bildinformation som kommer frän detekte-ringsmedlen (3) av röntgensträlar under funktion av vridmedel (4); och medel (6) för att behandla bildinformation för att bilda en tomo-15 grafisk tomografibild som följer en önskad tomografinivä pä ba- sen av bildinformation som har lagrats i lagringsmedlen (5) för bildinformation, samt för att utföra en beräkningsprocess för tomografibild, varvid behandlingsmedlen (6) för bildinformation hämtar rambilder frän lag-20 ringsmedlen (5) för bildinformation, och en föreningsprocess utförs för de hämtade rambilderna samtidigt när deras position förflyttas enligt ett valt för-flyttningsavständ i breddriktning av en spaltbild som i sin form motsvarar röntgenspaltsträlar, kännetecknad av, att flera tomografibilder beräknas, vilka omfattar en tomografibild av en bestämd tomografinivä och en tomogra-25 fibild av en annan tomografinivä, och vilka motsvarar flera i avsändnings-riktningen av röntgensträlar efter varandra anordnade tomografiniväer, vilka omfattar sagda bestämda tomografinivä och andra tomografinivä, och mellan dessa flera tomografibilder utförs. en konvolutionsprocess eller en frekvens-process för bildens densitet, vilken frekvensprocess använder Fourier-trans-30 form, varvid störningar kan avlägsnas frän den sagda bestämda tomografi-bilden.
2. Röntgenavbildningsapparat för tänder med panoramavisning enligt patentkrav 1, kännetecknad av, att frän tvä eller flera tomografibilder 35 avlägsnas störningarna och tomografibilderna, frän vilka störningarna har avlägsnats, förenas med varandra, varvid man fären förenad tomografibild.
FI964677A 1995-11-22 1996-11-22 En för tänder avsedd röntgenavbildningsapparat med en panoramavisning FI119909B (sv)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP30469795A JP3441578B2 (ja) 1995-11-22 1995-11-22 歯科用パノラマｘ線撮影装置
JP30469795 1995-11-22

Publications (3)

Publication Number Publication Date
FI964677A0 FI964677A0 (sv) 1996-11-22
FI964677A FI964677A (sv) 1997-05-23
FI119909B true FI119909B (sv) 2009-05-15

Family

ID=17936136

Family Applications (1)

Application Number Title Priority Date Filing Date
FI964677A FI119909B (sv) 1995-11-22 1996-11-22 En för tänder avsedd röntgenavbildningsapparat med en panoramavisning

Country Status (4)

Country Link
US (1) US5784429A (sv)
JP (1) JP3441578B2 (sv)
DE (1) DE19648076C2 (sv)
FI (1) FI119909B (sv)

Families Citing this family (57)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19733338C2 (de) * 1997-08-01 2002-01-17 Sirona Dental Systems Gmbh Röntgendiagnostikeinrichtung zur Erstellung von Panorama-Schichtaufnahmen von Körperteilen eines Patienten
EP0904734A3 (en) * 1997-09-30 2000-03-29 Kabushikikaisha Morita Seisakusho Panoramic radiographic apparatus and digital sensor cassette used for same apparatus
DE19912854A1 (de) * 1999-03-22 2000-10-05 Sirona Dental Systems Gmbh Verfahren zur Korrektur des Vergrößerungsfaktors bei digitalen Röntgenaufnahmen
WO2001028298A1 (en) 1999-10-08 2001-04-19 Dentsply International Inc. Automatic exposure control for dental panoramic and cephalographic x-ray equipment
US8126112B2 (en) * 1999-12-01 2012-02-28 Massie Ronald E Osseo classification system and method
US6944262B2 (en) * 1999-12-01 2005-09-13 Massie Ronald E Dental and orthopedic densitometry modeling system and method
US6381301B1 (en) 1999-12-01 2002-04-30 Ronald E. Massie Dental and orthopedic densitometry modeling system and method
US8073101B2 (en) * 1999-12-01 2011-12-06 Massie Ronald E Digital modality modeling for medical and dental applications
AU782164B2 (en) 2000-02-02 2005-07-07 Gendex Corporation Automatic x-ray detection for intra-oral dental x-ray imaging apparatus
US6891926B1 (en) 2000-08-09 2005-05-10 Dalsa, Inc. Fiber bundles for x-ray imaging
WO2003010556A2 (en) * 2001-07-25 2003-02-06 Dentsply International Inc. Real-time digital x-ray imaging apparatus
JP3785576B2 (ja) * 2002-04-24 2006-06-14 株式会社モリタ製作所 被写体ブレ補正手段、これを用いた医療用ｘ線撮影装置
US7086859B2 (en) * 2003-06-10 2006-08-08 Gendex Corporation Compact digital intraoral camera system
WO2004014232A1 (en) 2002-07-25 2004-02-19 Gendex Corporation Real-time digital x-ray imaging apparatus and method
JP3868876B2 (ja) * 2002-09-25 2007-01-17 株式会社東芝 障害物検出装置及び方法
DE10313109A1 (de) * 2003-03-24 2004-10-21 Sirona Dental Systems Gmbh Röntgenstrahlenempfindliche Kamera und Röntgeneinrichtung
US6990174B2 (en) * 2003-12-15 2006-01-24 Instrumentarium Corp. Method and apparatus for performing single-point projection imaging
US7006600B1 (en) 2004-01-15 2006-02-28 Progeny, Inc. Integrated digital dental x-ray system
EP1624411A3 (en) * 2004-08-06 2006-08-09 Gendex Corporation Soft tissue filtering in medical images
US20060069591A1 (en) * 2004-09-29 2006-03-30 Razzano Michael R Dental image charting system and method
US9332950B2 (en) 2005-05-02 2016-05-10 Oy Ajat Ltd. Radiation imaging device with irregular rectangular shape and extraoral dental imaging system therefrom
US7336763B2 (en) * 2005-05-02 2008-02-26 Oy Ajat Ltd Dental extra-oral x-ray imaging system and method
US7676022B2 (en) * 2005-05-02 2010-03-09 Oy Ajat Ltd. Extra-oral digital panoramic dental x-ray imaging system
US7742560B2 (en) * 2005-05-02 2010-06-22 Oy Ajat Ltd. Radiation imaging device with irregular rectangular shape and extraoral dental imaging system therefrom
US8295432B2 (en) 2005-05-02 2012-10-23 Oy Ajat Ltd Radiation imaging device with irregular rectangular shape and extraoral dental imaging system therefrom
WO2006119603A1 (en) 2005-05-11 2006-11-16 Optosecurity Inc. Method and system for screening luggage items, cargo containers or persons
US7991242B2 (en) 2005-05-11 2011-08-02 Optosecurity Inc. Apparatus, method and system for screening receptacles and persons, having image distortion correction functionality
EP1899892B1 (en) * 2005-05-20 2019-01-16 Dental Imaging Technologies Corporation Location of focal plane
US7471761B2 (en) * 2005-09-15 2008-12-30 Schick Technologies, Inc. System and method for computing oral bone mineral density with a panoramic x-ray system
US8433033B2 (en) * 2005-10-21 2013-04-30 Axion Japan Co., Ltd. Panoramic imaging apparatus
JP2007117432A (ja) * 2005-10-28 2007-05-17 Matsushita Electric Ind Co Ltd パノラマｘ線撮影装置
DE102006016572A1 (de) * 2006-04-06 2007-10-18 Sirona Dental Systems Gmbh Verfahren zur Erstellung von Panoramaschichtaufnahmen und Röntgenbildaufnahmee inrichtung
US7899232B2 (en) 2006-05-11 2011-03-01 Optosecurity Inc. Method and apparatus for providing threat image projection (TIP) in a luggage screening system, and luggage screening system implementing same
JP4746482B2 (ja) * 2006-05-25 2011-08-10 株式会社吉田製作所 断層面画像生成装置、断層面画像生成方法および断層面画像生成プログラム
FI119864B (sv) * 2006-06-05 2009-04-15 Planmeca Oy Röntgenavbildningssensor och röntgenavbildningsförfarande
JP4823780B2 (ja) * 2006-06-19 2011-11-24 株式会社日立メディコ パノラマ断層像生成装置及びパノラマ断層像生成プログラム
US8494210B2 (en) 2007-03-30 2013-07-23 Optosecurity Inc. User interface for use in security screening providing image enhancement capabilities and apparatus for implementing same
JP4976806B2 (ja) * 2006-10-19 2012-07-18 株式会社吉田製作所 歯列任意断層面情報算出装置、歯列任意断層面情報算出方法および歯列任意断層面情報算出プログラム、ならびに、多断層像処理装置
DE502006007493D1 (de) * 2006-12-21 2010-09-02 Agfa Healthcare Nv Vorrichtung und Verfahren zum Löschen einer Speicherleuchtstoffschicht und System mit einer solchen Vorrichtung und einem Detektor
JP4916875B2 (ja) * 2006-12-27 2012-04-18 株式会社吉田製作所 多断層像構築方法およびデジタル３次元ｘ線撮影装置
US7715526B2 (en) * 2008-03-13 2010-05-11 Oy Ajat Limited Single sensor multi-functional dental extra-oral x-ray imaging system and method
US7715525B2 (en) * 2008-03-13 2010-05-11 Oy Ajat Limited Single sensor multi-functional dental extra-oral x-ray imaging system and method
EP2123223B1 (en) * 2008-05-19 2017-07-05 Cefla S.C. Method and Apparatus for Simplified Patient Positioning in Dental Tomographic X-Ray Imaging
JP4806429B2 (ja) * 2008-07-01 2011-11-02 株式会社吉田製作所 デジタルパノラマ撮影装置およびパノラマ用画像処理プログラム
IL201765A (en) 2008-10-27 2013-06-27 Imaging Sciences Int Llc Device and method for detecting x-rays by sensor
US9492129B2 (en) * 2008-10-27 2016-11-15 Dental Imaging Technologies Corporation Triggering of intraoral X-ray sensor using pixel array sub-sampling
US8366318B2 (en) * 2009-07-17 2013-02-05 Dental Imaging Technologies Corporation Intraoral X-ray sensor with embedded standard computer interface
KR101001680B1 (ko) 2008-12-18 2010-12-15 주식회사바텍 3차원 영상획득 장치
KR101042935B1 (ko) 2009-01-20 2011-06-20 주식회사바텍 경량 ｘ선 촬영장치
US8634515B2 (en) 2011-04-25 2014-01-21 Vatech Co., Ltd. Method and apparatus for obtaining panoramic image
KR101973221B1 (ko) 2011-09-07 2019-04-26 라피스캔 시스템스, 인코포레이티드 적하목록 데이터를 이미징/검출 프로세싱에 통합시키는 x-선 검사시스템
KR101389841B1 (ko) * 2012-05-16 2014-04-29 주식회사바텍 파노라마 영상 데이터 제공 방법 및 장치
KR102285553B1 (ko) * 2014-07-29 2021-08-05 주식회사 바텍 2차원 단층 영상 촬영장치 및 그 방법
US9993217B2 (en) 2014-11-17 2018-06-12 Vatech Co., Ltd. Producing panoramic radiograph
CN105741239B (zh) * 2014-12-11 2018-11-30 合肥美亚光电技术股份有限公司 牙齿全景图像的生成方法、装置及用于拍摄牙齿的全景机
GB2595986A (en) 2016-02-22 2021-12-15 Rapiscan Systems Inc Systems and methods for detecting threats and contraband in cargo
US11707238B2 (en) 2019-09-10 2023-07-25 Align Technology, Inc. Dental panoramic views

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0229329A (ja) * 1988-07-19 1990-01-31 Asahi Glass Co Ltd 低反射透明成形体
EP0357944B1 (de) * 1988-08-12 1993-09-22 Siemens Aktiengesellschaft Zahnärztliche Röntgendiagnostikeinrichtung zur Erstellung von Panorama-Schichtaufnahmen vom Kiefer eines Patienten
JP2824602B2 (ja) * 1990-10-05 1998-11-11 株式会社モリタ製作所 デジタルパノラマｘ線撮影装置
IL98945A0 (en) * 1991-07-24 1992-07-15 Elscint Ltd Multiple slice ct scanner
US5214686A (en) * 1991-12-13 1993-05-25 Wake Forest University Three-dimensional panoramic dental radiography method and apparatus which avoids the subject's spine

Also Published As

Publication number Publication date
FI964677A (sv) 1997-05-23
FI964677A0 (sv) 1996-11-22
DE19648076C2 (de) 2002-01-17
US5784429A (en) 1998-07-21
JPH09140701A (ja) 1997-06-03
JP3441578B2 (ja) 2003-09-02
DE19648076A1 (de) 1997-05-28

Similar Documents

Publication Publication Date Title
FI119909B (sv) En för tänder avsedd röntgenavbildningsapparat med en panoramavisning
JP3377323B2 (ja) 医療用ｘ線撮影装置
JP2758515B2 (ja) 投影データを獲得する方法及びｃｔ装置
EP0526970B1 (en) Imaging methods and apparatus
US6173033B1 (en) X-ray computed tomography apparatus for producing X-ray shadowgraphs
JPH0448169Y2 (sv)
EP1405598A1 (en) X-ray ct apparatus
US7054475B2 (en) Apparatus and method for volumetric reconstruction of a cyclically moving object
US6049584A (en) X-ray diagnostic apparatus for producing panorama slice exposure of body parts of a patient
KR20070011176A (ko) Ｘ선 ｃｔ 장치
US6925141B2 (en) Method for imaging in the computer tomography of a periodically moved object to be examined and CT device for carrying out the method
EP0671147A1 (en) Emission ct apparatus
US4555760A (en) Method and computer tomography device for determining a tomographic image with elevated resolution
JP3917684B2 (ja) 物体の断層写真像を作成する方法及び装置
JPH09192122A (ja) Ｘ線コンピュータ断層撮影装置
US6389097B1 (en) Multi-plate volumetric CT scanner gap compensation method and apparatus
JPH06133961A (ja) コンピュータ断層撮影装置
JP2000023966A (ja) 螺旋再構成アルゴリズム
US6272199B1 (en) Computer tomography apparatus
JPH0798039B2 (ja) コンピュータ断層撮影装置
US4053779A (en) Method and apparatus for constructing models of body sections
JP3340203B2 (ja) Ｘ線ｃｔ装置
JPH1075947A (ja) 画像再構成処理装置におけるアーチファクト低減方法
US4114042A (en) Radiography
JP2000083948A (ja) 断層写真画像を作る装置と方法

Legal Events

Date Code Title Description
PC Transfer of assignment of patent

Owner name: NIHON UNIVERSITY

Free format text: NIHON UNIVERSITY

Owner name: J. MORITA MANUFACTURING CORPORATION

Free format text: J. MORITA MANUFACTURING CORPORATION

FG Patent granted

Ref document number: 119909

Country of ref document: FI

MD Opposition filed

Opponent name: KOLSTER OY AB