JPH01171379U - - Google Patents

Info

Publication number
JPH01171379U
JPH01171379U JP1989003457U JP345789U JPH01171379U JP H01171379 U JPH01171379 U JP H01171379U JP 1989003457 U JP1989003457 U JP 1989003457U JP 345789 U JP345789 U JP 345789U JP H01171379 U JPH01171379 U JP H01171379U
Authority
JP
Japan
Prior art keywords
thickness
following formula
dose
korr
computer
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
Application number
JP1989003457U
Other languages
English (en)
Other versions
JPH0642225Y2 (ja
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 filed Critical
Publication of JPH01171379U publication Critical patent/JPH01171379U/ja
Application granted granted Critical
Publication of JPH0642225Y2 publication Critical patent/JPH0642225Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • A61B6/50Apparatus 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
    • A61B6/502Apparatus 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 diagnosis of breast, i.e. mammography
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05GX-RAY TECHNIQUE
    • H05G1/00X-ray apparatus involving X-ray tubes; Circuits therefor
    • H05G1/08Electrical details
    • H05G1/26Measuring, controlling or protecting
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05GX-RAY TECHNIQUE
    • H05G1/00X-ray apparatus involving X-ray tubes; Circuits therefor
    • H05G1/08Electrical details
    • H05G1/26Measuring, controlling or protecting
    • H05G1/30Controlling
    • H05G1/36Temperature of anode; Brightness of image power
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05GX-RAY TECHNIQUE
    • H05G1/00X-ray apparatus involving X-ray tubes; Circuits therefor
    • H05G1/08Electrical details
    • H05G1/26Measuring, controlling or protecting
    • H05G1/30Controlling
    • H05G1/46Combined control of different quantities, e.g. exposure time as well as voltage or current
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B2017/00681Aspects not otherwise provided for
    • A61B2017/00707Dummies, phantoms; Devices simulating patient or parts of patient
    • A61B2017/00716Dummies, phantoms; Devices simulating patient or parts of patient simulating physical properties
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B2017/00681Aspects not otherwise provided for
    • A61B2017/00725Calibration or performance testing
    • 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
    • A61B6/58Testing, adjusting or calibrating thereof
    • A61B6/582Calibration
    • A61B6/583Calibration using calibration phantoms

Landscapes

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Toxicology (AREA)
  • Medical Informatics (AREA)
  • Engineering & Computer Science (AREA)
  • Optics & Photonics (AREA)
  • Biomedical Technology (AREA)
  • Biophysics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Dentistry (AREA)
  • Pathology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Physics & Mathematics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
  • X-Ray Techniques (AREA)

Description

【図面の簡単な説明】
図面はこの考案に基づくX線診断装置の一実施
例の斜視図である。 1……台架、2……X線源、5……一次放射線
絞り、6……押圧板、8……撮影台、9……操作
卓、10……計算機。

Claims (1)

  1. 【実用新案登録請求の範囲】 (1) その都度の撮影値に相当する電気信号が計
    算機10に供給され、計算機がこの信号から平均
    の実質組織線量Dを次の式、 =f・JEa・(d−2dF)[e−a
    F−e−ad−dF)] ここで f=1.03(換算係数) d=対象物の厚さ〔cm〕 dF=脂肪組織の厚さ d≦5.0cmのとき dF=0.5cm d>5.0cmのとき dF=1.0cm JE=k・(I・t) I=X線管電流 t=撮影時間 k=校正係数 a=1d・1nJEJA JA=出射線量 に基づき計算することを特徴とする乳房撮影用
    X線診断装置。 (2) 計算された入射線量の修正が次の式、 ラスタ技術に対し JEkorr=JE・(60−dP)/(
    60−d) 拡大技術に対し JEkorr=JE・(33.9−dP)
    /(33.9−d) dP、d〔cm〕;dP=人体模型厚さ に基づき行われることを特徴とする請求項1記
    載の装置。
JP1989003457U 1988-01-18 1989-01-13 X線診断装置 Expired - Lifetime JPH0642225Y2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3801210.3 1988-01-18
DE3801210 1988-01-18

Publications (2)

Publication Number Publication Date
JPH01171379U true JPH01171379U (ja) 1989-12-05
JPH0642225Y2 JPH0642225Y2 (ja) 1994-11-02

Family

ID=6345443

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989003457U Expired - Lifetime JPH0642225Y2 (ja) 1988-01-18 1989-01-13 X線診断装置

Country Status (4)

Country Link
US (1) US4905150A (ja)
EP (1) EP0325120B1 (ja)
JP (1) JPH0642225Y2 (ja)
DE (1) DE58904166D1 (ja)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0744129U (ja) * 1990-09-29 1995-10-31 シーメンス アクチエンゲゼルシヤフト X線診断装置
JP2005509482A (ja) * 2001-11-23 2005-04-14 プランメド オイ 自動露出法および自動露出システム
JP2007097909A (ja) * 2005-10-05 2007-04-19 Bio Arts:Kk 放射線被曝線量管理システム及び記憶媒体
JP2009213905A (ja) * 2009-05-18 2009-09-24 Bio-Visiq Japan Inc 放射線被曝線量管理システム及び記憶媒体

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE58908415D1 (de) * 1989-07-03 1994-10-27 Siemens Ag Röntgendiagnostikgerät für Mammographieaufnahmen.
US5633948A (en) * 1992-11-30 1997-05-27 Kegelmeyer, Jr.; W. Philip Method and apparatus for detecting a desired behavior in digital image data
JPH07303633A (ja) 1994-05-11 1995-11-21 Mitsubishi Electric Corp X線乳房撮影装置
IT1279083B1 (it) * 1995-11-29 1997-12-04 Gilardoni Spa Sistema di esposimetria automatico per macchine radiologiche utilizzate in mammografia
SE9700117D0 (sv) * 1997-01-17 1997-01-17 Siemens Elema Ab Ett förfarande för modifiering av minst en beräkningsalgoritm vid ett biopsisystem samt ett biopsisystem
US8768026B2 (en) * 2003-11-26 2014-07-01 Hologic, Inc. X-ray imaging with x-ray markers that provide adjunct information but preserve image quality

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1107883B (it) * 1978-04-13 1985-12-02 Aeritalia Spa Settore Avionica Misuratore di campo elettrico e di campo magnetico
DD158307A1 (de) * 1981-04-23 1983-01-05 Guenther Orth Verfahren zur herstellung von roentgenaufnahmen
DE3152827A1 (de) * 1981-05-06 1983-07-07 Orvosi Mueszer Szoevetkezet Automatische dosierungsbemessung und steuerschaltungsanordnung
JPS6124818U (ja) * 1984-07-19 1986-02-14 ソニー株式会社 カセツト式テ−プレコ−ダ
GB2174492A (en) * 1985-04-29 1986-11-05 Philips Nv X-ray examination system and method of controlling an exposure therein
JP2647075B2 (ja) * 1985-06-15 1997-08-27 株式会社東芝 デイジタル・フルオログラフイ装置
FI79241C (fi) * 1985-08-29 1989-12-11 Orion Yhtymae Oy Foerfarande och anordning foer reglering av roentgenstraolningen vid en roentgenanordning, speciellt en mammografianordning.
US4663772A (en) * 1985-09-30 1987-05-05 Picker International, Inc. Bone mineral analysis phantom

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0744129U (ja) * 1990-09-29 1995-10-31 シーメンス アクチエンゲゼルシヤフト X線診断装置
JP2005509482A (ja) * 2001-11-23 2005-04-14 プランメド オイ 自動露出法および自動露出システム
JP2007097909A (ja) * 2005-10-05 2007-04-19 Bio Arts:Kk 放射線被曝線量管理システム及び記憶媒体
JP2009213905A (ja) * 2009-05-18 2009-09-24 Bio-Visiq Japan Inc 放射線被曝線量管理システム及び記憶媒体

Also Published As

Publication number Publication date
EP0325120B1 (de) 1993-04-28
US4905150A (en) 1990-02-27
JPH0642225Y2 (ja) 1994-11-02
DE58904166D1 (de) 1993-06-03
EP0325120A1 (de) 1989-07-26

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