JPS60106439A - 放射線透過による診断装置及び方法 - Google Patents
放射線透過による診断装置及び方法Info
- Publication number
- JPS60106439A JPS60106439A JP59158523A JP15852384A JPS60106439A JP S60106439 A JPS60106439 A JP S60106439A JP 59158523 A JP59158523 A JP 59158523A JP 15852384 A JP15852384 A JP 15852384A JP S60106439 A JPS60106439 A JP S60106439A
- Authority
- JP
- Japan
- Prior art keywords
- radiation
- detector
- gantry
- center
- radiation source
- 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.)
- Pending
Links
- 230000005855 radiation Effects 0.000 title claims description 196
- 238000000034 method Methods 0.000 title claims description 25
- 238000005070 sampling Methods 0.000 claims description 59
- 238000001514 detection method Methods 0.000 claims description 31
- 230000009467 reduction Effects 0.000 claims description 14
- 238000010894 electron beam technology Methods 0.000 claims description 10
- 230000005540 biological transmission Effects 0.000 claims 1
- 230000008901 benefit Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 238000005259 measurement Methods 0.000 description 5
- 230000007246 mechanism Effects 0.000 description 3
- 230000002902 bimodal effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000003325 tomography Methods 0.000 description 2
- 238000010420 art technique Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000011045 prefiltration Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000013519 translation Methods 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
- A61B6/40—Arrangements for generating radiation specially adapted for radiation diagnosis
- A61B6/4021—Arrangements for generating radiation specially adapted for radiation diagnosis involving movement of the focal spot
- A61B6/4028—Arrangements for generating radiation specially adapted for radiation diagnosis involving movement of the focal spot resulting in acquisition of views from substantially different positions, e.g. EBCT
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J35/00—X-ray tubes
- H01J35/02—Details
- H01J35/14—Arrangements for concentrating, focusing, or directing the cathode ray
- H01J35/153—Spot position control
-
- 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]
-
- 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
- H05G1/52—Target size or shape; Direction of electron beam, e.g. in tubes with one anode and more than one cathode
-
- 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
- H05G1/70—Circuit arrangements for X-ray tubes with more than one anode; Circuit arrangements for apparatus comprising more than one X ray tube or more than one cathode
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Medical Informatics (AREA)
- General Health & Medical Sciences (AREA)
- Biophysics (AREA)
- Heart & Thoracic Surgery (AREA)
- High Energy & Nuclear Physics (AREA)
- Veterinary Medicine (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Optics & Photonics (AREA)
- Pathology (AREA)
- Radiology & Medical Imaging (AREA)
- Biomedical Technology (AREA)
- Physics & Mathematics (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- Public Health (AREA)
- Pulmonology (AREA)
- Theoretical Computer Science (AREA)
- Toxicology (AREA)
- Apparatus For Radiation Diagnosis (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US51812183A | 1983-07-28 | 1983-07-28 | |
US518121 | 1983-07-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS60106439A true JPS60106439A (ja) | 1985-06-11 |
Family
ID=24062643
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP59158523A Pending JPS60106439A (ja) | 1983-07-28 | 1984-07-28 | 放射線透過による診断装置及び方法 |
Country Status (5)
Country | Link |
---|---|
JP (1) | JPS60106439A (de) |
DE (1) | DE3426934C2 (de) |
FR (1) | FR2549711B1 (de) |
IL (1) | IL72276A (de) |
NL (1) | NL193257C (de) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0223946A (ja) * | 1988-07-14 | 1990-01-26 | Toshiba Corp | X線ct装置 |
JPH04231940A (ja) * | 1990-06-20 | 1992-08-20 | General Electric Co <Ge> | 物体を撮像するct装置 |
JP2000139893A (ja) * | 1998-11-09 | 2000-05-23 | Siemens Ag | Ct装置 |
JP2005237972A (ja) * | 2004-02-27 | 2005-09-08 | General Electric Co <Ge> | 複数のオフセットx線照射点を用いるイメージングの方法及びシステム |
JP2007519461A (ja) * | 2004-01-29 | 2007-07-19 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 画素千鳥状化及び焦点変調を有するコンピュータ断層撮像装置及び方法 |
WO2016009787A1 (ja) * | 2014-07-18 | 2016-01-21 | 株式会社日立メディコ | X線ct装置、および、x線ct画像の撮影方法 |
US9977137B2 (en) | 2014-07-28 | 2018-05-22 | Hitachi, Ltd. | X-ray image pickup device and image reconstruction method |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0176314B1 (de) * | 1984-09-21 | 1992-06-10 | Picker International, Inc. | Röntgen-Anordnung |
US4682291A (en) * | 1984-10-26 | 1987-07-21 | Elscint Ltd. | Noise artifacts reduction |
JPH0798039B2 (ja) * | 1988-07-20 | 1995-10-25 | 三菱電機株式会社 | コンピュータ断層撮影装置 |
DE19807884C2 (de) * | 1998-02-25 | 2003-07-24 | Achim Schweikard | Verfahren zur Kalibrierung einer Aufnahmevorrichtung zur Bestimmung von räumlichen Koordinaten anatomischer Zielobjekte und Vorrichtung zur Durchführung des Verfahrens |
EP2002286A2 (de) | 2006-03-29 | 2008-12-17 | Philips Intellectual Property & Standards GmbH | Effiziente messung von doppelenergie-röntgenstrahlenabschwächung |
DE102006046741A1 (de) * | 2006-09-29 | 2008-04-10 | Siemens Ag | Röntgensystem und Verfahren zur Tomosyntheseabtastung |
DE102019125350A1 (de) | 2019-09-20 | 2021-03-25 | DENNEC GmbH | Computertomograph |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4149079A (en) * | 1976-07-14 | 1979-04-10 | Elscint, Ltd. | Method of and means for scanning a body to enable a cross-section thereof to be reconstructed |
US4176279A (en) * | 1977-05-24 | 1979-11-27 | Siemens Aktiengesellschaft | Tomograph for producing transverse layer images |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3250916A (en) * | 1963-06-14 | 1966-05-10 | Machlett Lab Inc | Stereo x-ray device |
US4206360A (en) * | 1975-03-19 | 1980-06-03 | E M I Limited | Radiography |
NL7607976A (nl) * | 1976-07-19 | 1978-01-23 | Optische Ind De Oude Delft Nv | Inrichting voor tomografie met voorzieningen waardoor signaalprofielen afgeleid van een di- vergerende stralingsbundel kunnen worden gere- construeerd in signaalprofielen die elk corre- sponderen met een bundel van evenwijdig inval- lende stralen. |
GB1595805A (en) * | 1977-02-24 | 1981-08-19 | Emi Ltd | Radiography |
DE2714759C3 (de) * | 1977-04-01 | 1981-03-26 | Siemens AG, 1000 Berlin und 8000 München | Röntgendiagnostikgerät zur Herstellung von Transversalschichtbildern |
GB1598685A (en) * | 1977-04-28 | 1981-09-23 | Emi Ltd | Radiography |
GB2002988B (en) * | 1977-08-18 | 1982-04-07 | Emi Ltd | Radiography |
FR2425836A1 (fr) * | 1978-05-16 | 1979-12-14 | Radiologie Cie Gle | Appareil tomographique a gaine unique porteuse de tubes a rayons x et de detecteurs |
DE2823859A1 (de) * | 1978-05-31 | 1979-12-13 | Siemens Ag | Roentgenschichtgeraet fuer transversalschichtbilder |
DE2951222A1 (de) * | 1979-12-19 | 1981-06-25 | Siemens AG, 1000 Berlin und 8000 München | Roentgenschichtgeraet zur herstellung von transversalschichtbildern |
-
1984
- 1984-07-02 IL IL72276A patent/IL72276A/xx unknown
- 1984-07-21 DE DE3426934A patent/DE3426934C2/de not_active Expired - Lifetime
- 1984-07-23 NL NL8402331A patent/NL193257C/nl not_active IP Right Cessation
- 1984-07-25 FR FR848411802A patent/FR2549711B1/fr not_active Expired - Lifetime
- 1984-07-28 JP JP59158523A patent/JPS60106439A/ja active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4149079A (en) * | 1976-07-14 | 1979-04-10 | Elscint, Ltd. | Method of and means for scanning a body to enable a cross-section thereof to be reconstructed |
US4176279A (en) * | 1977-05-24 | 1979-11-27 | Siemens Aktiengesellschaft | Tomograph for producing transverse layer images |
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0223946A (ja) * | 1988-07-14 | 1990-01-26 | Toshiba Corp | X線ct装置 |
JPH04231940A (ja) * | 1990-06-20 | 1992-08-20 | General Electric Co <Ge> | 物体を撮像するct装置 |
JP2000139893A (ja) * | 1998-11-09 | 2000-05-23 | Siemens Ag | Ct装置 |
JP4623785B2 (ja) * | 1998-11-09 | 2011-02-02 | シーメンス アクチエンゲゼルシヤフト | Ct装置 |
JP2007519461A (ja) * | 2004-01-29 | 2007-07-19 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 画素千鳥状化及び焦点変調を有するコンピュータ断層撮像装置及び方法 |
JP4763620B2 (ja) * | 2004-01-29 | 2011-08-31 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 画素千鳥状化及び焦点変調を有するコンピュータ断層撮像装置及び方法 |
JP2005237972A (ja) * | 2004-02-27 | 2005-09-08 | General Electric Co <Ge> | 複数のオフセットx線照射点を用いるイメージングの方法及びシステム |
WO2016009787A1 (ja) * | 2014-07-18 | 2016-01-21 | 株式会社日立メディコ | X線ct装置、および、x線ct画像の撮影方法 |
JPWO2016009787A1 (ja) * | 2014-07-18 | 2017-04-27 | 株式会社日立製作所 | X線ct装置、および、x線ct画像の撮影方法 |
US10219762B2 (en) | 2014-07-18 | 2019-03-05 | Hitachi, Ltd. | X-ray CT device and imaging method for X-ray CT images |
US9977137B2 (en) | 2014-07-28 | 2018-05-22 | Hitachi, Ltd. | X-ray image pickup device and image reconstruction method |
Also Published As
Publication number | Publication date |
---|---|
NL193257C (nl) | 1999-04-02 |
IL72276A0 (en) | 1984-11-30 |
IL72276A (en) | 1988-01-31 |
DE3426934A1 (de) | 1985-05-23 |
NL8402331A (nl) | 1985-02-18 |
FR2549711B1 (fr) | 1991-01-25 |
NL193257B (nl) | 1998-12-01 |
FR2549711A1 (fr) | 1985-02-01 |
DE3426934C2 (de) | 1997-07-17 |
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