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
Links
- 238000003384 imaging method Methods 0.000 claims description 3
- 210000000577 adipose tissue Anatomy 0.000 claims 1
- 238000009607 mammography Methods 0.000 claims 1
- 238000005259 measurement Methods 0.000 claims 1
- 238000000034 method Methods 0.000 claims 1
- 210000001519 tissue Anatomy 0.000 claims 1
- 230000005855 radiation Effects 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
- A61B6/50—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
- A61B6/502—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 diagnosis of breast, i.e. mammography
-
- 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
- H05G1/26—Measuring, controlling or protecting
-
- 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
- H05G1/26—Measuring, controlling or protecting
- H05G1/30—Controlling
- H05G1/36—Temperature of anode; Brightness of image power
-
- 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
- H05G1/26—Measuring, controlling or protecting
- H05G1/30—Controlling
- H05G1/46—Combined control of different quantities, e.g. exposure time as well as voltage or current
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/00681—Aspects not otherwise provided for
- A61B2017/00707—Dummies, phantoms; Devices simulating patient or parts of patient
- A61B2017/00716—Dummies, phantoms; Devices simulating patient or parts of patient simulating physical properties
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/00681—Aspects not otherwise provided for
- A61B2017/00725—Calibration or performance testing
-
- 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
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。
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)
- 【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・d
F−e−a(d−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)2/(
60−d)2 拡大技術に対し JEkorr=JE・(33.9−dP)2
/(33.9−d)2 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。
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)
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)
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)
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 |
-
1988
- 1988-10-24 US US07/261,084 patent/US4905150A/en not_active Expired - Fee Related
-
1989
- 1989-01-05 DE DE8989100182T patent/DE58904166D1/de not_active Expired - Fee Related
- 1989-01-05 EP EP89100182A patent/EP0325120B1/de not_active Expired - Lifetime
- 1989-01-13 JP JP1989003457U patent/JPH0642225Y2/ja not_active Expired - Lifetime
Cited By (4)
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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