JP4989473B2 - 傾斜した構成を用いた3次元再現方法及び装置 - Google Patents
傾斜した構成を用いた3次元再現方法及び装置 Download PDFInfo
- Publication number
- JP4989473B2 JP4989473B2 JP2007526347A JP2007526347A JP4989473B2 JP 4989473 B2 JP4989473 B2 JP 4989473B2 JP 2007526347 A JP2007526347 A JP 2007526347A JP 2007526347 A JP2007526347 A JP 2007526347A JP 4989473 B2 JP4989473 B2 JP 4989473B2
- Authority
- JP
- Japan
- Prior art keywords
- radiation
- detector
- radiation source
- array
- movement
- 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.)
- Expired - Fee Related
Links
- 238000000034 method Methods 0.000 title claims description 22
- 230000005855 radiation Effects 0.000 claims description 86
- 238000001514 detection method Methods 0.000 claims description 6
- 239000002184 metal Substances 0.000 description 5
- 238000010521 absorption reaction Methods 0.000 description 3
- 210000003484 anatomy Anatomy 0.000 description 3
- 238000003384 imaging method Methods 0.000 description 3
- 230000002238 attenuated effect Effects 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 210000003625 skull Anatomy 0.000 description 2
- 238000003325 tomography Methods 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 1
- 238000002059 diagnostic imaging Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000013074 reference sample Substances 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
Images
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
- A61B6/02—Arrangements for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
- A61B6/03—Computed tomography [CT]
- A61B6/032—Transmission computed tomography [CT]
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T15/00—3D [Three Dimensional] image rendering
-
- 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
- A61B6/02—Arrangements for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
- A61B6/03—Computed tomography [CT]
-
- 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
- A61B6/46—Arrangements for interfacing with the operator or the patient
- A61B6/461—Displaying means of special interest
- A61B6/466—Displaying means of special interest adapted to display 3D data
-
- 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
- A61B6/02—Arrangements for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
- A61B6/027—Arrangements for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis characterised by the use of a particular data acquisition trajectory, e.g. helical or spiral
-
- 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
- A61B6/58—Testing, adjusting or calibrating thereof
- A61B6/582—Calibration
- A61B6/583—Calibration using calibration phantoms
- A61B6/584—Calibration using calibration phantoms determining position of components of the apparatus or device using images of the phantom
Landscapes
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Medical Informatics (AREA)
- Physics & Mathematics (AREA)
- Pathology (AREA)
- Biomedical Technology (AREA)
- Biophysics (AREA)
- High Energy & Nuclear Physics (AREA)
- Veterinary Medicine (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Optics & Photonics (AREA)
- Public Health (AREA)
- Radiology & Medical Imaging (AREA)
- General Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Pulmonology (AREA)
- Computer Graphics (AREA)
- General Physics & Mathematics (AREA)
- Apparatus For Radiation Diagnosis (AREA)
Description
Claims (8)
- 放射線源(1、8)は、対象に対して、移動平面(6)上で回転中心の周りを移動し、前記放射線源(1、8)は放射線円錐(2、10)の中心放射線(3)が前記対象に照射されるように放射線を放射し、前記中心放射線(3)により照射される前記対象に対して前記放射線源(1、8)と反対の側には、対応して移動しかつ前記対象に起因して強度の低下した放射線により照射される検出器(4、9)が配設された、前記対象の3次元断層撮影画像を生成する方法において、
前記移動平面(6)に対して前記中心放射線(3)がある角度傾斜するように前記移動が行われ、
前記放射線源(1、8)と前記検出器(4、9)とからなるシステムは、回転時に回転軸に沿って移動し、かつ、
前記放射線源(1、8)および/または前記検出器(4、9)の傾き角度は、前記移動の最中に変化し、
前記傾き角度は、前記移動平面(6)との関係で傾きが定義される角度であることを特徴とする方法。 - 前記検出器(4、9)は複数の検出素子の配列を有し、前記対象は、前記移動時に前記配列に投影され、前記複数の検出素子により前記移動時に収集された信号から3次元情報を有した断層撮影画像が生成されることを特徴とする請求項1に記載の方法。
- 前記放射線源(1、8)は円錐断面の軌道で対象の周りを回り、前記中心放射線(3)の放射線経路に配置された前記検出器(4、9)はこれに対応して移動することを特徴とする請求項1または請求項2に記載の方法。
- 前記検出器(4、9)の配列は前記放射線円錐(2、10)により照射され、前記検出器(4、9)の配列の作動面は、前記中心放射線(3)に対して垂直に配置されることを特徴とする請求項1乃至請求項3に記載の方法。
- 前記検出器(4、9)の配列は前記放射線円錐(2、10)により照射され、前記検出器(4、9)の配列の作動面は、回転軸(5)に対して平行に配置されることを特徴とする請求項1乃至請求項4の何れかに記載の方法。
- 放射線源(1、8)と検出器(4、9)とを備え、前記放射線源(1、8)の放射線円錐(2、10)は前記検出器(4、9)の検出素子の配列に照射され、回転軸(7)の周りに回転可能である、請求項1乃至請求項5の何れかに記載の方法を実行する装置において、
前記放射線円錐(2、10)の中心放射線(3)は回転面に対して傾斜して配置され、
前記放射線源(1、8)と前記検出器(4、9)とからなるシステムは、回転時に回転軸に沿って移動し、かつ、
前記放射線源(1、8)および/または前記検出器(4、9)の傾き角度は、前記移動の最中に変化し、
前記傾き角度は、前記移動平面(6)との関係で傾きが定義される角度であることを特徴とする装置。 - 前記放射線源(1、8)および/または前記検出器(4、9)の傾き角度は、調整可能であることを特徴とする請求項6に記載の装置。
- 前記放射線円錐(2、10)の放射線下端(12)は、回転時に水平面と重なることを特徴とする請求項6または請求項7に記載の装置。
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102004040677.4 | 2004-08-20 | ||
DE102004040677 | 2004-08-20 | ||
DE102004050172A DE102004050172B4 (de) | 2004-08-20 | 2004-10-14 | 3D-Rekonstruktion mit schräger Geometrie |
DE102004050172.6 | 2004-10-14 | ||
PCT/EP2005/008613 WO2006021318A1 (de) | 2004-08-20 | 2005-08-09 | 3d-rekonstruktion mit schräger geometrie |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008510504A JP2008510504A (ja) | 2008-04-10 |
JP4989473B2 true JP4989473B2 (ja) | 2012-08-01 |
Family
ID=34982137
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007526347A Expired - Fee Related JP4989473B2 (ja) | 2004-08-20 | 2005-08-09 | 傾斜した構成を用いた3次元再現方法及び装置 |
Country Status (6)
Country | Link |
---|---|
US (1) | US20070262981A1 (ja) |
EP (1) | EP1779327B1 (ja) |
JP (1) | JP4989473B2 (ja) |
KR (1) | KR20070041754A (ja) |
DE (1) | DE102004050172B4 (ja) |
WO (1) | WO2006021318A1 (ja) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4756849B2 (ja) * | 2004-11-05 | 2011-08-24 | 朝日レントゲン工業株式会社 | 頭頸部用コーンビームx線ct撮影装置 |
DE102006011235A1 (de) * | 2006-03-10 | 2007-09-13 | Siemens Ag | Verfahren zur Erfassung von Projektionsdatensätzen eines Untersuchungsobjekts |
EP2119326B1 (en) | 2007-01-24 | 2017-03-15 | Dental Imaging Technologies Corporation | Adjustable scanner |
US8503603B2 (en) * | 2008-02-20 | 2013-08-06 | Dental Imaging Technologies Corporation | Adjustable scanner |
JP5746132B2 (ja) * | 2012-12-26 | 2015-07-08 | 株式会社モリタ製作所 | 医療用x線撮影装置 |
JP5709820B2 (ja) * | 2012-11-08 | 2015-04-30 | 株式会社モリタ製作所 | X線撮影装置 |
USRE48415E1 (en) | 2012-11-08 | 2021-02-02 | J. Morita Manufacturing Corporation | X-ray photography apparatus |
KR101958098B1 (ko) * | 2017-07-31 | 2019-03-13 | 인제대학교 산학협력단 | 비스듬히 배치한 섬광결정을 이용한 양전자 방출 단층 촬영기의 영상재구성 방법 |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3617742A (en) * | 1969-05-08 | 1971-11-02 | Dental Corp Of America | Panoramiclike dental arch x-ray apparatus |
DE3017494A1 (de) * | 1980-05-07 | 1981-11-12 | Siemens AG, 1000 Berlin und 8000 München | Strahlendiagnostikeinrichtung |
FI73361C (fi) * | 1984-02-01 | 1987-10-09 | Orion Yhtymae Oy | Roentgenfotograferingsanordning foer taenderna och hakorna. |
US5493593A (en) * | 1994-09-27 | 1996-02-20 | University Of Delaware | Tilted detector microscopy in computerized tomography |
US7136452B2 (en) * | 1995-05-31 | 2006-11-14 | Goldpower Limited | Radiation imaging system, device and method for scan imaging |
JP2000201920A (ja) * | 1999-01-19 | 2000-07-25 | Fuji Photo Film Co Ltd | 撮影画像デ―タ取得方法および撮影画像デ―タ取得装置 |
DE19928738C2 (de) * | 1999-06-23 | 2003-04-24 | Siemens Ag | Computertomographie(CT)-Gerät zur Erzeugung von Schnittbildern von zur Längsachse einer Lagerungseinrichtung geneigten Schichten eines Untersuchungsobjektes |
US6276145B1 (en) * | 1999-10-27 | 2001-08-21 | Picker International, Inc. | Aerostatic CT suspension |
DE60016467T2 (de) * | 2000-02-15 | 2005-11-03 | Koninklijke Philips Electronics N.V. | Ct-systeme zur klinischen überprüfung |
JP2001292988A (ja) * | 2000-04-13 | 2001-10-23 | Katsuhiro Ono | カソードスキャン型x線発生器及びx線ctスキャナ |
DE10196737T1 (de) * | 2000-10-04 | 2003-09-04 | Nihon University Tokio Tokyo | Anzeigeverfahren und Vorrichtung für ein Röntgenprojektionsbild für medizinische Zwecke, Röntgen-CT-Vorrichtung für medizinische Zwecke und Speichermedium zum Speichern eines Programms zum Ausführen des Anzeigeverfahrens |
US7609808B2 (en) * | 2001-03-30 | 2009-10-27 | Duke University | Application specific emission and transmission tomography |
DE10140867B4 (de) * | 2001-08-21 | 2005-08-18 | Siemens Ag | Kalibrierphantom für projektive Röntgensysteme |
JP4149189B2 (ja) * | 2002-04-04 | 2008-09-10 | 株式会社日立メディコ | X線ct装置 |
JP2004033471A (ja) * | 2002-07-03 | 2004-02-05 | Toshiba Corp | X線ctスキャナ装置 |
DE10231061A1 (de) * | 2002-07-10 | 2004-01-22 | Philips Intellectual Property & Standards Gmbh | Verfahren und System zur Verbesserung des Informationsgehaltes in einem Bild |
US6904117B2 (en) * | 2002-10-30 | 2005-06-07 | Toshiba Corporation | Tilted gantry helical cone-beam Feldkamp reconstruction for multislice CT |
JP4163991B2 (ja) * | 2003-04-30 | 2008-10-08 | 株式会社モリタ製作所 | X線ct撮影装置及び撮影方法 |
-
2004
- 2004-10-14 DE DE102004050172A patent/DE102004050172B4/de not_active Expired - Fee Related
-
2005
- 2005-08-09 JP JP2007526347A patent/JP4989473B2/ja not_active Expired - Fee Related
- 2005-08-09 KR KR1020077003679A patent/KR20070041754A/ko not_active Application Discontinuation
- 2005-08-09 WO PCT/EP2005/008613 patent/WO2006021318A1/de active Application Filing
- 2005-08-09 US US11/660,541 patent/US20070262981A1/en not_active Abandoned
- 2005-08-09 EP EP05770222A patent/EP1779327B1/de not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
DE102004050172A1 (de) | 2006-03-02 |
US20070262981A1 (en) | 2007-11-15 |
EP1779327B1 (de) | 2011-06-08 |
KR20070041754A (ko) | 2007-04-19 |
DE102004050172B4 (de) | 2010-09-02 |
JP2008510504A (ja) | 2008-04-10 |
WO2006021318A1 (de) | 2006-03-02 |
EP1779327A1 (de) | 2007-05-02 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US9907520B2 (en) | Digital tomosynthesis systems, methods, and computer readable media for intraoral dental tomosynthesis imaging | |
KR101787119B1 (ko) | 방사선 촬상 장치 및 방사선에 의한 촬상 방법, 및 데이터 처리 장치 | |
KR101819257B1 (ko) | X선 단층상 촬영 장치 | |
JP5611051B2 (ja) | 歯科放射線医学装置とそれに付随する方法 | |
CN105615911B (zh) | 用于固定的数字化胸部断层融合成像的系统及相关方法 | |
JP7382042B2 (ja) | 3次元歯科用イメージングのための固定式口腔内トモシンセシスイメージングシステム、方法、およびコンピュータ可読媒体 | |
JP4989473B2 (ja) | 傾斜した構成を用いた3次元再現方法及び装置 | |
JP4015366B2 (ja) | 局所照射x線ct撮影方法及び装置 | |
US8483363B2 (en) | Movable wedge for improved image quality in 3D X-ray imaging | |
US7818045B2 (en) | Method for reduced-artifact radiological 3D imaging, medical imaging device and method for creating a therapy plan | |
JP2004000734A (ja) | 改良されたx線ct装置の使用方法 | |
JP2008528985A (ja) | 可変の結像ジオメトリーを有する断層撮影機 | |
JP4537129B2 (ja) | トモシンセシス用途における対象物を走査するためのシステム | |
JP5389658B2 (ja) | 物体を画像化する画像化システム | |
US20150265237A1 (en) | Method and device for generating a three-dimensional image of an object | |
JP2006204329A (ja) | X線断層撮影装置 | |
JP5836244B2 (ja) | 撮影制御装置、撮影システム、撮影制御方法およびプログラム | |
JP4573593B2 (ja) | X線画像補正方法及び装置 | |
US9066687B2 (en) | Panoramic dental x-ray unit | |
JP7439075B2 (ja) | パノラマx線撮影画像を編集するためのデバイス及び方法 | |
JP2009279301A (ja) | コーンビームx線ct装置 | |
JP2006320468A (ja) | X線ct装置およびx線ct透視撮影方法 | |
JP6201235B2 (ja) | 散乱線補正装置、散乱線補正方法、及びx線撮影装置 | |
KR20140122407A (ko) | 엑스선 영상장치 및 엑스선 영상장치의 이미징 방법 | |
US12016716B2 (en) | Stationary intraoral tomosynthesis imaging systems, methods, and computer readable media for three dimensional dental imaging |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20080718 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20101222 |
|
A601 | Written request for extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A601 Effective date: 20110318 |
|
A602 | Written permission of extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A602 Effective date: 20110328 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20110418 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20110518 |
|
A601 | Written request for extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A601 Effective date: 20110817 |
|
A602 | Written permission of extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A602 Effective date: 20110824 |
|
A601 | Written request for extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A601 Effective date: 20110915 |
|
A602 | Written permission of extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A602 Effective date: 20110928 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20111017 |
|
A02 | Decision of refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A02 Effective date: 20111109 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20120302 |
|
A911 | Transfer to examiner for re-examination before appeal (zenchi) |
Free format text: JAPANESE INTERMEDIATE CODE: A911 Effective date: 20120309 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20120410 |
|
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20120427 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 4989473 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20150511 Year of fee payment: 3 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
LAPS | Cancellation because of no payment of annual fees |