JP5985836B2 - イメージング・システムによって放出される放射線量を減少させる方法 - Google Patents

イメージング・システムによって放出される放射線量を減少させる方法 Download PDF

Info

Publication number
JP5985836B2
JP5985836B2 JP2012044912A JP2012044912A JP5985836B2 JP 5985836 B2 JP5985836 B2 JP 5985836B2 JP 2012044912 A JP2012044912 A JP 2012044912A JP 2012044912 A JP2012044912 A JP 2012044912A JP 5985836 B2 JP5985836 B2 JP 5985836B2
Authority
JP
Japan
Prior art keywords
radiation
slice
attenuation
virtual mask
mask representation
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.)
Active
Application number
JP2012044912A
Other languages
English (en)
Japanese (ja)
Other versions
JP2012183310A (ja
JP2012183310A5 (enExample
Inventor
アルン・クマール・チャンドラシェカラッパ
パンカジ・ジリ
ゴビナス・マニ
ヤスヒロ・イマイ
春菜 小野寺
春菜 小野寺
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
General Electric Co
Original Assignee
General Electric Co
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 General Electric Co filed Critical General Electric Co
Publication of JP2012183310A publication Critical patent/JP2012183310A/ja
Publication of JP2012183310A5 publication Critical patent/JP2012183310A5/ja
Application granted granted Critical
Publication of JP5985836B2 publication Critical patent/JP5985836B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/54Control of apparatus or devices for radiation diagnosis
    • A61B6/542Control of apparatus or devices for radiation diagnosis involving control of exposure
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/02Arrangements for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
    • A61B6/03Computed tomography [CT]
    • A61B6/032Transmission computed tomography [CT]
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/40Arrangements for generating radiation specially adapted for radiation diagnosis
    • A61B6/405Source units specially adapted to modify characteristics of the beam during the data acquisition process
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/46Arrangements for interfacing with the operator or the patient
    • A61B6/467Arrangements for interfacing with the operator or the patient characterised by special input means
    • A61B6/469Arrangements for interfacing with the operator or the patient characterised by special input means for selecting a region of interest [ROI]
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/48Diagnostic techniques
    • A61B6/488Diagnostic techniques involving pre-scan acquisition

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Medical Informatics (AREA)
  • Pathology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Physics & Mathematics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Optics & Photonics (AREA)
  • Veterinary Medicine (AREA)
  • Radiology & Medical Imaging (AREA)
  • Biomedical Technology (AREA)
  • Biophysics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Human Computer Interaction (AREA)
  • Pulmonology (AREA)
  • Theoretical Computer Science (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
JP2012044912A 2011-03-03 2012-03-01 イメージング・システムによって放出される放射線量を減少させる方法 Active JP5985836B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IN627CH2011 2011-03-03
IN627/CHE/2011 2011-03-03

Publications (3)

Publication Number Publication Date
JP2012183310A JP2012183310A (ja) 2012-09-27
JP2012183310A5 JP2012183310A5 (enExample) 2015-04-09
JP5985836B2 true JP5985836B2 (ja) 2016-09-06

Family

ID=46000252

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2012044912A Active JP5985836B2 (ja) 2011-03-03 2012-03-01 イメージング・システムによって放出される放射線量を減少させる方法

Country Status (5)

Country Link
US (1) US8798228B2 (enExample)
JP (1) JP5985836B2 (enExample)
CN (1) CN102652676B (enExample)
DE (1) DE102012101791A1 (enExample)
NL (1) NL2008400C2 (enExample)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10278666B2 (en) 2014-06-13 2019-05-07 Palodex Group Oy Systems and methods of automated dose control in x-ray imaging
CN104287768A (zh) * 2014-09-30 2015-01-21 沈阳东软医疗系统有限公司 一种ct扫描剂量控制方法及系统
US10085698B2 (en) 2016-01-26 2018-10-02 Genereal Electric Company Methods and systems for automated tube current modulation
CN108352077B (zh) 2016-03-31 2022-03-01 上海联影医疗科技股份有限公司 图像重建的系统和方法
US10251612B2 (en) * 2016-08-08 2019-04-09 Carestream Health, Inc. Method and system for automatic tube current modulation
US10561391B2 (en) * 2016-08-18 2020-02-18 General Electric Company Methods and systems for computed tomography
WO2024246699A1 (en) * 2023-05-26 2024-12-05 Medtronic Navigation, Inc. Noise and patient dose optimization via dynamic x-ray modulation

Family Cites Families (39)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0636793B2 (ja) * 1988-05-20 1994-05-18 株式会社東芝 X線ctスキヤナ
US5450462A (en) * 1993-11-19 1995-09-12 General Electric Company Modulation of x-ray tube current during CT scanning with modulation limit
US5379333A (en) * 1993-11-19 1995-01-03 General Electric Company Variable dose application by modulation of x-ray tube current during CT scanning
US5400378A (en) * 1993-11-19 1995-03-21 General Electric Company Dynamic dose control in multi-slice CT scan
US5485494A (en) * 1994-08-03 1996-01-16 General Electric Company Modulation of X-ray tube current during CT scanning
US5657235A (en) 1995-05-03 1997-08-12 International Business Machines Corporation Continuous scale optical proximity correction by mask maker dose modulation
CA2209020A1 (en) * 1996-06-28 1997-12-28 Francisco M. Hernandez Apparatus and method for adjusting radiation in a radiation-emitting device
JPH1128201A (ja) * 1997-07-10 1999-02-02 Hitachi Medical Corp X線ct装置
US6636622B2 (en) * 1997-10-15 2003-10-21 Wisconsin Alumni Research Foundation Method and apparatus for calibration of radiation therapy equipment and verification of radiation treatment
DE10022468A1 (de) * 1999-05-10 2001-10-11 Shimadzu Corp Röntgen-CT-Vorrichtung
JP4159188B2 (ja) * 1999-07-30 2008-10-01 ジーイー横河メディカルシステム株式会社 管電流調節方法および装置並びにx線ct装置
DE10001357B4 (de) * 2000-01-14 2004-04-15 Siemens Ag Verfahren zum Betrieb eines CT-Geräts sowie CT-Gerät
JP4519254B2 (ja) * 2000-04-03 2010-08-04 株式会社日立メディコ X線ct装置
US6501819B2 (en) 2000-12-18 2002-12-31 Ge Medical Systems Global Technology Company, Llc Medical diagnostic method and apparatus to control dual energy exposure techniques based on image information
US6459765B1 (en) 2000-12-28 2002-10-01 Ge Medical Systems Global Technology Company, Llc Automatic exposure control and optimization in digital x-ray radiography
JP4532005B2 (ja) * 2001-03-09 2010-08-25 株式会社日立メディコ X線ct装置及びその画像表示方法
JP4387638B2 (ja) * 2001-07-04 2009-12-16 株式会社東芝 X線コンピュータ断層診断装置
JP4309631B2 (ja) * 2001-10-22 2009-08-05 株式会社東芝 X線コンピュータトモグラフィ装置
US6744846B2 (en) * 2002-09-26 2004-06-01 Siemens Aktiengesellschaft Method and apparatus for automatic exposure control in CT scanning
JP4509493B2 (ja) 2003-04-25 2010-07-21 ジーイー・メディカル・システムズ・グローバル・テクノロジー・カンパニー・エルエルシー X線ct画像撮影方法およびx線ct装置
US6990172B2 (en) * 2004-02-19 2006-01-24 General Electric Company Method and apparatus to determine tube current modulation profile for radiographic imaging
DE102004020861B4 (de) 2004-04-28 2009-10-01 Siemens Ag Verfahren zur Rekonstruktion von Projektionsdatensätzen bei Dosis-reduzierter abschnittsweiser spiralförmiger Abtastung in der Computertomographie
US7082183B2 (en) * 2004-07-21 2006-07-25 General Electric Company Computed tomography dose indexing phantom selection for dose reporting
JP4629519B2 (ja) * 2005-07-12 2011-02-09 ジーイー・メディカル・システムズ・グローバル・テクノロジー・カンパニー・エルエルシー 放射線撮影装置およびスキャン条件設定装置
EP1943951B1 (en) * 2005-09-15 2010-04-21 Hitachi Medical Corporation X-ray ct device
WO2007062178A2 (en) 2005-11-21 2007-05-31 The Regents Of The University Of California Method for computing patient radiation dose in computed tomoraphy
US7983457B2 (en) 2005-11-23 2011-07-19 General Electric Company Method and system for automatically determining regions in a scanned object
US20070147579A1 (en) * 2005-12-23 2007-06-28 De Man Bruno K B Method and system for radiographic imaging with organ-based radiation profile prescription
US7313224B1 (en) 2006-06-22 2007-12-25 General Electric Co. Wireless integrated automatic exposure control module
JP4729519B2 (ja) 2007-03-09 2011-07-20 ゼネラル・エレクトリック・カンパニイ 器官に基づく放射線プロファイル設定を設けた放射線撮像の方法及びシステム
CN101327128B (zh) * 2007-06-22 2010-12-08 Ge医疗系统环球技术有限公司 X射线ct装置的扫描检测装置及其系统和运行方法
JP2009009030A (ja) 2007-06-29 2009-01-15 Noritsu Koki Co Ltd 写真プリント処理システム
JP5254252B2 (ja) * 2007-11-28 2013-08-07 株式会社日立メディコ X線ct装置
EP2130491B1 (en) 2008-06-06 2015-08-05 Cefla S.C. Method and apparatus for radiographic imaging
US7809107B2 (en) 2008-06-30 2010-10-05 Varian Medical Systems International Ag Method for controlling modulation strength in radiation therapy
US8744040B2 (en) * 2009-02-02 2014-06-03 Hitachi Medical Corporation X-ray CT apparatus and method
JP5484788B2 (ja) * 2009-05-25 2014-05-07 ジーイー・メディカル・システムズ・グローバル・テクノロジー・カンパニー・エルエルシー X線ct装置
US8699658B2 (en) 2009-07-15 2014-04-15 Mayo Foundation For Medical Education And Research System and method for automatic tube potential selection for dose reduction in medical imaging
JP5442363B2 (ja) 2009-08-28 2014-03-12 ジーイー・メディカル・システムズ・グローバル・テクノロジー・カンパニー・エルエルシー X線ct装置

Also Published As

Publication number Publication date
US8798228B2 (en) 2014-08-05
NL2008400C2 (en) 2013-08-06
CN102652676B (zh) 2015-11-25
JP2012183310A (ja) 2012-09-27
CN102652676A (zh) 2012-09-05
DE102012101791A1 (de) 2012-09-06
US20120224665A1 (en) 2012-09-06
NL2008400A (en) 2012-09-04

Similar Documents

Publication Publication Date Title
US9216302B2 (en) Radiotherapy system and radiotherapy planning apparatus
JP5985836B2 (ja) イメージング・システムによって放出される放射線量を減少させる方法
US11497459B2 (en) Methods and system for optimizing an imaging scan based on a prior scan
CN100393281C (zh) X射线计算机断层摄像装置
JP3977972B2 (ja) 断層撮影用スキャン条件決定方法、断層撮影方法およびx線ct装置
JP4516256B2 (ja) X線被曝を制限した局所的ct画像再構成
US8649480B2 (en) X-ray CT apparatus and tomography method
US7684537B2 (en) X-ray CT apparatus
EP2490593B1 (en) Acquisition protocol assessment apparatus
US11045151B2 (en) Cone-beam computed tomography imaging devices, systems, and methods
JP4937927B2 (ja) X線ct装置とx線ct装置における撮像条件決定方法
JP4344191B2 (ja) 画像形成システムの低線量画像シミュレーションのための方法及びシステム
JP5642444B2 (ja) 放射線治療装置の作動方法および放射線治療装置制御装置
WO2016133986A1 (en) Imaging method and system of tube voltage and current optimization
US20030058994A1 (en) Computed tomography method and apparatus for registering data with reduced radiation stress to the patient
JP3908993B2 (ja) X線ct装置
JP2006055635A (ja) X線コンピュータ断層撮影装置
JP2008220452A (ja) 器官に基づく放射線プロファイル設定を設けた放射線撮像の方法及びシステム
JP2005095397A (ja) X線散乱線成分の補正方法及びそのプログラム並びにx線ct装置
WO2006090321A1 (en) Determination of the coverage of a ct scan
CN112513925A (zh) 为ct虚拟单色提供自动自适应能量设置的方法
US12490947B2 (en) Variable tissue imaging system and method for C-arm fluoroscopy imaging systems
US12004284B2 (en) Methods and systems for x-ray imaging
JP2013005949A (ja) X線ct装置
US20200058141A1 (en) Image capture and reconstruction protocol selection system

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20150219

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20150219

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20151117

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20151118

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20160216

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: 20160712

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20160804

R150 Certificate of patent or registration of utility model

Ref document number: 5985836

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150

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

S111 Request for change of ownership or part of ownership

Free format text: JAPANESE INTERMEDIATE CODE: R313113

R350 Written notification of registration of transfer

Free format text: JAPANESE INTERMEDIATE CODE: R350

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250