FI120860B - Röntgen CT-menetelmä ja -järjestelmä - Google Patents
Röntgen CT-menetelmä ja -järjestelmä Download PDFInfo
- Publication number
- FI120860B FI120860B FI991855A FI19991855A FI120860B FI 120860 B FI120860 B FI 120860B FI 991855 A FI991855 A FI 991855A FI 19991855 A FI19991855 A FI 19991855A FI 120860 B FI120860 B FI 120860B
- Authority
- FI
- Finland
- Prior art keywords
- ray
- image
- local area
- cone
- shaped
- Prior art date
Links
- 238000002247 constant time method Methods 0.000 title description 2
- 238000002591 computed tomography Methods 0.000 claims description 136
- 238000000034 method Methods 0.000 claims description 86
- 238000003384 imaging method Methods 0.000 claims description 62
- 230000005855 radiation Effects 0.000 claims description 50
- 238000009826 distribution Methods 0.000 claims description 45
- 238000010521 absorption reaction Methods 0.000 claims description 42
- 230000006870 function Effects 0.000 claims description 30
- 238000003325 tomography Methods 0.000 claims description 25
- 238000012545 processing Methods 0.000 claims description 17
- 230000010354 integration Effects 0.000 claims description 16
- 230000007246 mechanism Effects 0.000 claims description 15
- 230000033001 locomotion Effects 0.000 claims description 12
- 230000008569 process Effects 0.000 claims description 4
- 239000011796 hollow space material Substances 0.000 claims description 3
- 238000010408 sweeping Methods 0.000 claims description 3
- 235000010585 Ammi visnaga Nutrition 0.000 claims 6
- 244000153158 Ammi visnaga Species 0.000 claims 6
- 208000002925 dental caries Diseases 0.000 claims 1
- 239000004053 dental implant Substances 0.000 claims 1
- 210000000003 hoof Anatomy 0.000 claims 1
- 108090000623 proteins and genes Proteins 0.000 claims 1
- 230000009102 absorption Effects 0.000 description 35
- 210000002455 dental arch Anatomy 0.000 description 21
- 230000003287 optical effect Effects 0.000 description 13
- 238000004519 manufacturing process Methods 0.000 description 11
- 238000004458 analytical method Methods 0.000 description 9
- 210000001847 jaw Anatomy 0.000 description 9
- 238000005070 sampling Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 7
- 238000003860 storage Methods 0.000 description 5
- 238000013459 approach Methods 0.000 description 4
- 238000013170 computed tomography imaging Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
- 210000000988 bone and bone Anatomy 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000001066 destructive effect Effects 0.000 description 2
- 238000003745 diagnosis Methods 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000013307 optical fiber Substances 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 238000001356 surgical procedure Methods 0.000 description 2
- 210000001519 tissue Anatomy 0.000 description 2
- GDOPTJXRTPNYNR-UHFFFAOYSA-N CC1CCCC1 Chemical compound CC1CCCC1 GDOPTJXRTPNYNR-UHFFFAOYSA-N 0.000 description 1
- 206010039509 Scab Diseases 0.000 description 1
- 239000004783 Serene Substances 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000003556 assay Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000004141 dimensional analysis Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000001815 facial effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 210000004283 incisor Anatomy 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 238000007781 pre-processing Methods 0.000 description 1
- 239000002516 radical scavenger Substances 0.000 description 1
- 229910052704 radon Inorganic materials 0.000 description 1
- SYUHGPGVQRZVTB-UHFFFAOYSA-N radon atom Chemical compound [Rn] SYUHGPGVQRZVTB-UHFFFAOYSA-N 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- MTCFGRXMJLQNBG-UHFFFAOYSA-N serine Chemical compound OCC(N)C(O)=O MTCFGRXMJLQNBG-UHFFFAOYSA-N 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000036339 tooth positioning Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 210000000216 zygoma Anatomy 0.000 description 1
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]
-
- 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
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Medical Informatics (AREA)
- Radiology & Medical Imaging (AREA)
- Biomedical Technology (AREA)
- Biophysics (AREA)
- High Energy & Nuclear Physics (AREA)
- Veterinary Medicine (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Optics & Photonics (AREA)
- Pathology (AREA)
- Public Health (AREA)
- Physics & Mathematics (AREA)
- Heart & Thoracic Surgery (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Pulmonology (AREA)
- Theoretical Computer Science (AREA)
- Dentistry (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Apparatus For Radiation Diagnosis (AREA)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP26566798 | 1998-09-02 | ||
| JP26566798 | 1998-09-02 | ||
| JP29141698A JP3919048B2 (ja) | 1998-09-02 | 1998-09-28 | 局所照射ｘ線ｃｔ撮影装置 |
| JP29141698 | 1998-09-28 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FI19991855A FI19991855A (fi) | 2000-03-02 |
| FI120860B true FI120860B (fi) | 2010-04-15 |
Family
ID=26547090
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI991855A FI120860B (fi) | 1998-09-02 | 1999-09-01 | Röntgen CT-menetelmä ja -järjestelmä |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US6289074B1 (ja) |
| JP (1) | JP3919048B2 (ja) |
| DE (1) | DE19941668B4 (ja) |
| FI (1) | FI120860B (ja) |
Families Citing this family (67)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000057789A1 (fr) * | 1999-03-25 | 2000-10-05 | Nihon University | Appareil et procede d'imagerie obtenue par tomographie informatisee (ct) aux rayons x, par rayonnement local |
| US7039156B2 (en) * | 2000-10-04 | 2006-05-02 | Nihon University | Display method and apparatus of x-ray projection image for medical use, x-ray CT apparatus for medical use and recording medium for recording program to achieve the display method |
| JP4594572B2 (ja) * | 2000-11-24 | 2010-12-08 | 朝日レントゲン工業株式会社 | パノラマｘ線ｃｔ撮影装置 |
| US6614878B2 (en) * | 2001-01-23 | 2003-09-02 | Fartech, Inc. | X-ray filter system for medical imaging contrast enhancement |
| JP3926120B2 (ja) * | 2001-02-16 | 2007-06-06 | 株式会社モリタ製作所 | 被写体のｘ線撮影位置設定手段、この手段を備えたｘ線撮影装置 |
| DE10108295B4 (de) * | 2001-02-21 | 2004-01-29 | Sirona Dental Systems Gmbh | Zahnidentifikation auf digitalen Röntgenaufnahmen und Zuordnung von Informationen zu digitalen Röntgenaufnahmen |
| DE10108296C2 (de) * | 2001-02-21 | 2003-01-30 | Sirona Dental Systems Gmbh | Verfahren zur Sensorpositionierung eines digitalen Röntgengerätes |
| DE10120202A1 (de) * | 2001-04-24 | 2002-11-14 | Ct Fuer Dentale Innovationen G | Schichtbildaufnahmegerät per Tomosynthese von insbesondere dentalen Objekten |
| US7324680B2 (en) * | 2002-02-21 | 2008-01-29 | Sirona Dental Systems Gmbh | Tooth identification in digital X-ray images and assignment of information to digital X-ray images |
| WO2003084407A1 (en) * | 2002-04-11 | 2003-10-16 | J. Morita Manufacturing Corporation | X-ray ct tomographic equipment |
| 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 |
| US7099428B2 (en) * | 2002-06-25 | 2006-08-29 | The Regents Of The University Of Michigan | High spatial resolution X-ray computed tomography (CT) system |
| CA2491759A1 (en) * | 2002-07-25 | 2004-02-19 | Gendex Corporation | Real-time digital x-ray imaging apparatus and method |
| KR100480781B1 (ko) * | 2002-12-28 | 2005-04-06 | 삼성전자주식회사 | 치아영상으로부터 치아영역 추출방법 및 치아영상을이용한 신원확인방법 및 장치 |
| DE10313110A1 (de) * | 2003-03-24 | 2004-10-21 | Sirona Dental Systems Gmbh | Röntgeneinrichtung und röntgenstrahlenempfindliche Kamera |
| US20050053200A1 (en) * | 2003-08-07 | 2005-03-10 | Predrag Sukovic | Intra-operative CT scanner |
| WO2005034757A1 (en) * | 2003-10-03 | 2005-04-21 | Xoran Technologies, Inc. | Ct imaging system for robotic intervention |
| US7611281B2 (en) * | 2004-01-08 | 2009-11-03 | Xoran Technologies, Inc. | Reconfigurable computer tomography scanner |
| US7310404B2 (en) * | 2004-03-24 | 2007-12-18 | Canon Kabushiki Kaisha | Radiation CT radiographing device, radiation CT radiographing system, and radiation CT radiographing method using the same |
| DE102004041440A1 (de) * | 2004-08-27 | 2006-03-02 | Dürr Dental GmbH & Co. KG | Verfahren zur Bestimmung der Soll-Relativlage eines Patienten in einem dentalen Panorama-Röntgengerät bzw. der Soll-Bahn, auf welcher dieses bezüglich eines Patienten bewegt wird sowie eine dafür geeignete Vorrichtung |
| WO2006085242A1 (en) * | 2005-02-10 | 2006-08-17 | Philips Intellectual Property & Standards Gmbh | Computed tomography method with helical relative movement and conical beam bundle |
| FI118624B (fi) * | 2005-03-14 | 2008-01-31 | Planmeca Oy | Hammaslääketieteellinen tietokonetomografiakuvantaminen |
| JP4594783B2 (ja) * | 2005-04-05 | 2010-12-08 | 朝日レントゲン工業株式会社 | コーンビームｘ線ｃｔ撮影装置 |
| DE112006000869B4 (de) * | 2005-04-11 | 2017-10-19 | J. Morita Mfg. Corp. | Radiographievorrichtung mit Übersichtsbildfunktion |
| JP4488948B2 (ja) * | 2005-04-11 | 2010-06-23 | 株式会社モリタ製作所 | Ｘ線ｃｔ撮影用ユニットおよびｘ線撮影装置 |
| JP2006314774A (ja) * | 2005-04-11 | 2006-11-24 | Morita Mfg Co Ltd | スカウトビュー機能を備えたｘ線撮影装置 |
| JP4307406B2 (ja) | 2005-04-22 | 2009-08-05 | 株式会社モリタ製作所 | 医療用ｘ線撮影装置及びこれに用いるｘ線検出器 |
| WO2006116488A2 (en) * | 2005-04-25 | 2006-11-02 | Xoran Technologies, Inc. | Ct system with synthetic view generation |
| WO2006127416A2 (en) * | 2005-05-20 | 2006-11-30 | Imaging Sciences International, Inc. | Location of focal plane |
| KR100707796B1 (ko) * | 2005-08-08 | 2007-04-13 | 주식회사바텍 | 파노라마 및 씨티 겸용 엑스선 촬영장치 |
| WO2007046372A1 (ja) | 2005-10-17 | 2007-04-26 | J. Morita Manufacturing Corporation | 医療用デジタルｘ線撮影装置及び医療用デジタルｘ線センサ |
| US8433033B2 (en) * | 2005-10-21 | 2013-04-30 | Axion Japan Co., Ltd. | Panoramic imaging apparatus |
| JP4503573B2 (ja) * | 2005-10-26 | 2010-07-14 | 株式会社モリタ製作所 | スカウトビュー機能を備えた医療用ｘ線撮影装置 |
| JP4758747B2 (ja) * | 2005-12-09 | 2011-08-31 | 株式会社日立メディコ | Ｘ線計測装置、ｘ線計測方法およびｘ線計測プログラム |
| DE102006024975B4 (de) * | 2006-05-29 | 2009-01-29 | Siemens Ag | Bildverarbeitungsvorrichtung und Verfahren zum Erzeugen eines Zahn-Datensatzes |
| JP2008029660A (ja) * | 2006-07-31 | 2008-02-14 | Fujifilm Corp | 歯科用放射線画像表示装置 |
| 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 |
| JP2008229322A (ja) * | 2007-02-22 | 2008-10-02 | Morita Mfg Co Ltd | 画像処理方法、画像表示方法、画像処理プログラム、記憶媒体、画像処理装置、ｘ線撮影装置 |
| US7787586B2 (en) * | 2007-02-22 | 2010-08-31 | J. Morita Manufacturing Corporation | Display method of X-ray CT image of maxillofacial area, X-ray CT apparatus and X-ray image display apparatus |
| FI122093B (fi) * | 2007-03-19 | 2011-08-31 | Planmeca Oy | Röntgensädekeilan rajaaminen hammaslääketieteellisen kuvantamisen yhteydessä |
| JP2009005984A (ja) | 2007-06-28 | 2009-01-15 | Morita Mfg Co Ltd | Ｘ線ｃｔ撮影装置 |
| DE102007032291A1 (de) * | 2007-07-11 | 2009-01-15 | Aepsilon Rechteverwaltungs Gmbh | Verfahren zum Darstellen von Restzahnbereichen und/oder geplanten Zahnersatzteilversorgungen sowie dazugehöriges computerlesbares Medium, Computer und Verfahren zum Versenden einer Datei |
| FR2924325B1 (fr) | 2007-12-03 | 2010-11-26 | Trophy | Appareil de radiologie dentaire et procede associe. |
| KR100917679B1 (ko) * | 2008-01-15 | 2009-09-21 | 주식회사바텍 | 멀티 레이어 파노라마 영상획득장치 및 파노라마영상획득방법 |
| JP5219126B2 (ja) * | 2008-01-24 | 2013-06-26 | 朝日レントゲン工業株式会社 | Ｘ線撮像装置 |
| DE102008008733A1 (de) * | 2008-02-12 | 2009-08-13 | Sirona Dental Systems Gmbh | Verfahren zur Erstellung einer Schichtaufnahme |
| US20090285356A1 (en) * | 2008-05-16 | 2009-11-19 | Sirona Dental Systems Gmbh | System and method for patient positioning in cone-beam tomography |
| EP2123223B1 (en) * | 2008-05-19 | 2017-07-05 | Cefla S.C. | Method and Apparatus for Simplified Patient Positioning in Dental Tomographic X-Ray Imaging |
| FR2938182B1 (fr) * | 2008-08-22 | 2010-11-19 | Trophy | Appareil de radiologie dentaire et procede d'utilisation associe |
| FR2938183B1 (fr) * | 2008-08-22 | 2011-12-09 | Trophy | Appareil de radiologie dentaire panoramique et procede d'utilisation associe |
| US8979364B2 (en) | 2009-05-04 | 2015-03-17 | Trophy | Combined panoramic and computed tomography apparatus |
| JP5567399B2 (ja) | 2009-06-22 | 2014-08-06 | 株式会社モリタ製作所 | 医療用ｘ線ｃｔ撮影装置 |
| EP2286728B1 (en) | 2009-08-19 | 2022-03-16 | J. Morita Manufacturing Corporation | Medical x-ray apparatus |
| US8509381B2 (en) * | 2009-12-15 | 2013-08-13 | Midmark Corporation | Patient positioning system for panoramic dental radiation imaging system |
| CN102397079B (zh) * | 2010-09-19 | 2013-11-06 | 上海西门子医疗器械有限公司 | X射线计算机断层摄影***和方法 |
| CN102397080B (zh) * | 2010-09-19 | 2014-01-22 | 上海西门子医疗器械有限公司 | X射线计算机断层摄影***和方法 |
| KR102011613B1 (ko) * | 2010-12-22 | 2019-08-16 | 트로피 | 디지털 검출기 |
| JP5954770B2 (ja) * | 2012-02-24 | 2016-07-20 | 東芝メディカルシステムズ株式会社 | Ｘ線ｃｔ装置、ｘ線ｃｔ装置の制御方法 |
| US11154260B2 (en) * | 2012-09-07 | 2021-10-26 | Trophy | Apparatus for partial CT imaging comprising a collimator to center a radiation beam toward a region of interest spaced apart from a rotation axis |
| US9468409B2 (en) | 2012-11-30 | 2016-10-18 | General Electric Company | Systems and methods for imaging dynamic processes |
| KR20160060638A (ko) * | 2013-08-20 | 2016-05-30 | 주식회사바텍 | 엑스선 영상촬영장치 및 엑스선 영상촬영방법 |
| KR20150088679A (ko) * | 2014-01-24 | 2015-08-03 | 주식회사바텍 | Ct 촬영 장치 |
| JP6734212B2 (ja) * | 2017-03-02 | 2020-08-05 | 株式会社モリタ製作所 | Ｘ線断層撮影装置およびｘ線断層撮影方法 |
| CN113069141B (zh) * | 2021-03-31 | 2023-03-31 | 有方（合肥）医疗科技有限公司 | 口腔全景片拍摄方法、***、电子设备及可读存储介质 |
| CN115005860B (zh) * | 2022-08-03 | 2022-11-15 | 有方（合肥）医疗科技有限公司 | 一种减少口腔颌面cbct成像运动伪影的方法及装置 |
| CN117462163B (zh) * | 2023-12-27 | 2024-03-29 | 有方（合肥）医疗科技有限公司 | 体层图像生成方法、装置、***、电子设备及存储介质 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| EP0632995B1 (de) * | 1993-07-06 | 1999-04-21 | Sirona Dental Systems GmbH & Co.KG | Zahnärztliche Röntgendiagnostikeinrichtung |
| JP3869083B2 (ja) * | 1996-12-10 | 2007-01-17 | 株式会社モリタ製作所 | Ｘ線撮影装置 |
| JP3807833B2 (ja) * | 1996-12-10 | 2006-08-09 | 株式会社モリタ製作所 | Ｘ線撮影装置 |
| DE19731927A1 (de) * | 1997-07-24 | 1999-02-11 | Sirona Dental Systems Gmbh | Röntgendiagnostikgerät für Tomosynthese |
-
1998
- 1998-09-28 JP JP29141698A patent/JP3919048B2/ja not_active Expired - Lifetime
-
1999
- 1999-09-01 DE DE19941668A patent/DE19941668B4/de not_active Expired - Lifetime
- 1999-09-01 FI FI991855A patent/FI120860B/fi active IP Right Grant
- 1999-09-01 US US09/388,282 patent/US6289074B1/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DE19941668B4 (de) | 2004-02-19 |
| JP2000139902A (ja) | 2000-05-23 |
| FI19991855A (fi) | 2000-03-02 |
| DE19941668A1 (de) | 2000-03-09 |
| US6289074B1 (en) | 2001-09-11 |
| JP3919048B2 (ja) | 2007-05-23 |
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