FI79241B - Foerfarande och anordning foer reglering av roentgenstraolningen vid en roentgenanordning, speciellt en mammografianordning. - Google Patents
Foerfarande och anordning foer reglering av roentgenstraolningen vid en roentgenanordning, speciellt en mammografianordning. Download PDFInfo
- Publication number
- FI79241B FI79241B FI853317A FI853317A FI79241B FI 79241 B FI79241 B FI 79241B FI 853317 A FI853317 A FI 853317A FI 853317 A FI853317 A FI 853317A FI 79241 B FI79241 B FI 79241B
- Authority
- FI
- Finland
- Prior art keywords
- spectrum
- radiation
- ray tube
- filter
- ethereal
- Prior art date
Links
- 230000005855 radiation Effects 0.000 claims description 26
- 238000001228 spectrum Methods 0.000 claims description 16
- 238000000034 method Methods 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 5
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims 2
- 239000003795 chemical substances by application Substances 0.000 claims 1
- 230000001276 controlling effect Effects 0.000 claims 1
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 claims 1
- 238000010894 electron beam technology Methods 0.000 claims 1
- 238000005530 etching Methods 0.000 claims 1
- 230000035515 penetration Effects 0.000 claims 1
- 230000000191 radiation effect Effects 0.000 claims 1
- 230000001105 regulatory effect Effects 0.000 claims 1
- 238000007789 sealing Methods 0.000 claims 1
- 239000004065 semiconductor Substances 0.000 claims 1
- 238000004846 x-ray emission Methods 0.000 claims 1
- 238000003384 imaging method Methods 0.000 description 13
- 210000001519 tissue Anatomy 0.000 description 9
- 230000006835 compression Effects 0.000 description 7
- 238000007906 compression Methods 0.000 description 7
- 238000009607 mammography Methods 0.000 description 6
- 239000000203 mixture Substances 0.000 description 5
- 238000005070 sampling Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 2
- 210000000038 chest Anatomy 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 210000000577 adipose tissue Anatomy 0.000 description 1
- 210000000481 breast Anatomy 0.000 description 1
- 230000002301 combined effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000699 topical effect 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
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21K—TECHNIQUES FOR HANDLING PARTICLES OR IONISING RADIATION NOT OTHERWISE PROVIDED FOR; IRRADIATION DEVICES; GAMMA RAY OR X-RAY MICROSCOPES
- G21K1/00—Arrangements for handling particles or ionising radiation, e.g. focusing or moderating
- G21K1/10—Scattering devices; Absorbing devices; Ionising radiation filters
-
- 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
- H05G1/46—Combined control of different quantities, e.g. exposure time as well as voltage or current
Landscapes
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Toxicology (AREA)
- Medical Informatics (AREA)
- Optics & Photonics (AREA)
- Molecular Biology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Dentistry (AREA)
- Pathology (AREA)
- Radiology & Medical Imaging (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Biophysics (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Spectroscopy & Molecular Physics (AREA)
- General Engineering & Computer Science (AREA)
- Apparatus For Radiation Diagnosis (AREA)
- X-Ray Techniques (AREA)
Claims (10)
1. Förfarande för regiering av röntgeneträlningen vid en röntgenanordning, speciellt en mammograf ianordning, kanne-tecknat av att omedelbart i början av fotograferingen tags ett i relation till hela fotograferingeperioden kortvarigt prov av den eträlning aom genomtrangt objektet och pä baeen av detta reglerae eträlningsspektret för huvudperioden av fo-tograf er ingen.
2. Förfarande enligt patentkravet 1, kännetecknat av att det kortvariga provet tagee dä röntgenrörete spanning stigit tili det inetällda begynnelsevärdet, och att spektret reglerae pä baeen av provet genom korrigering av rörete spanning .
3. Förfarande enligt patentkravet 1, kännetecknat av att strälningene epektrum reglerae genom förändring av elekt-ronsträlens fokuseringepunkt p& röntgenrörete (1) tili eitt material ohomogeniska anod.
4. Förfarande enligt patentkravet 1, kännetecknat av att eträlningeepektret reglerae genom förändring eller in-etällning av etälningefiltret (2).
5. Förfarande enligt patentkravet 1, kännetecknat av att iakttageleen av den genomträngda strälningen utföre me-delst en etälningegivare <7), vilken kan utgörae exempelvia av en haivledargivare eller en jonieationskammare.
6. Förfarande enligt patentkravet 5, kännetecknat av att eträlningegivarene (7) utgäng i en epänninge/frekveneom-vandlare <8) omvandlae tili puleer, medelet vilka via en 4ter-kopplingekrete (9, 14, 15) etyre röntgenrörete <1) epänninge-kalla (13), filter (2), eller fokueeringepunkten i den tili eitt material ohomogeniska anoden.
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI853317A FI79241C (sv) | 1985-08-29 | 1985-08-29 | Förfarande och anordning för reglering av röntgenstrålningen vid en rö ntgenanordning, speciellt en mammografianordning. |
| AT8686905299T ATE105667T1 (de) | 1985-08-29 | 1986-08-29 | Verfahren und vorrichtung zur steuerung der roentgenstrahlung einer roentgenstrahlvorrichtung, insbesondere eines mammographen. |
| DE3689837T DE3689837T2 (de) | 1985-08-29 | 1986-08-29 | Verfahren und vorrichtung zur steuerung der röntgenstrahlung einer röntgenstrahlvorrichtung, insbesondere eines mammographen. |
| JP61504720A JPS63500625A (ja) | 1985-08-29 | 1986-08-29 | Ｘ線装置のｘ線照射、特に乳房ｘ線撮影装置のｘ線照射を制御する方法及び装置 |
| PCT/FI1986/000092 WO1987001555A1 (en) | 1985-08-29 | 1986-08-29 | A method and device for controlling the x-radiation of an x-ray apparatus, in particular that of a mammographic apparatus |
| EP86905299A EP0291502B1 (en) | 1985-08-29 | 1986-08-29 | A method and device for controlling the x-radiation of an x-ray apparatus, in particular that of a mammographic apparatus |
| AU63321/86A AU6332186A (en) | 1985-08-29 | 1986-08-29 | A method and device for controlling the x-radiation of an x-ray apparatus, in particular that of a mammographic apparatus |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI853317A FI79241C (sv) | 1985-08-29 | 1985-08-29 | Förfarande och anordning för reglering av röntgenstrålningen vid en rö ntgenanordning, speciellt en mammografianordning. |
| FI853317 | 1985-08-29 |
Publications (4)
| Publication Number | Publication Date |
|---|---|
| FI853317A0 FI853317A0 (fi) | 1985-08-29 |
| FI853317L FI853317L (fi) | 1987-03-01 |
| FI79241B true FI79241B (fi) | 1989-08-31 |
| FI79241C FI79241C (sv) | 1989-12-11 |
Family
ID=8521278
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI853317A FI79241C (sv) | 1985-08-29 | 1985-08-29 | Förfarande och anordning för reglering av röntgenstrålningen vid en rö ntgenanordning, speciellt en mammografianordning. |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP0291502B1 (sv) |
| JP (1) | JPS63500625A (sv) |
| AU (1) | AU6332186A (sv) |
| DE (1) | DE3689837T2 (sv) |
| FI (1) | FI79241C (sv) |
| WO (1) | WO1987001555A1 (sv) |
Families Citing this family (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0346530A1 (en) * | 1988-06-16 | 1989-12-20 | Nicola Elias Yanaki | Method and structure for optimizing radiographic quality by controlling X-ray tube voltage, current, focal spot size and exposure time |
| US4837795A (en) * | 1987-07-27 | 1989-06-06 | Double D Double G Enterprises, Incorporated | Tissue specimen holding device and biopsy procedure |
| FR2623079B1 (fr) * | 1987-11-17 | 1990-02-23 | Thomson Cgr | Dispositif de mammographie |
| US4905150A (en) * | 1988-01-18 | 1990-02-27 | Siemens Aktiengesellschaft | X-ray diagnostics installation with mean parenchyma dose calculator |
| US5040202A (en) * | 1989-06-05 | 1991-08-13 | General Electric | Method and apparatus for reducing x-ray grid images |
| US4969174A (en) * | 1989-09-06 | 1990-11-06 | General Electric Company | Scanning mammography system with reduced scatter radiation |
| US4998270A (en) * | 1989-09-06 | 1991-03-05 | General Electric Company | Mammographic apparatus with collimated controllable X-ray intensity and plurality filters |
| FI85803C (sv) * | 1989-11-23 | 1992-06-10 | Planmed Oy | Förfarande och anordning för styrning av funktioner av en mammografirö ntgenanordning |
| FR2664395B1 (fr) * | 1990-07-06 | 1992-09-11 | Gen Electric Cgr | Procede de determination automatique de la duree d'exposition d'un film radiographique et systeme de mise en óoeuvre. |
| FR2664396B1 (fr) * | 1990-07-06 | 1992-09-11 | Gen Electric Cgr | Procede de determination de la fonction representant l'effet de non reciprocite d'un film radiographique. |
| EP0465360B1 (fr) * | 1990-07-06 | 1995-01-25 | General Electric Cgr S.A. | Procédé de détermination automatique de la durée d'exposition d'un film radiographique et système de mise en oeuvre |
| FR2664398B1 (fr) * | 1990-07-06 | 1992-10-16 | Gen Electric Cgr | Procede de determination automatique de la duree d'exposition d'un film radiographique a partir d'une cassette de radiologie avec cellule detectrice incorporee et systeme de mise en óoeuvre. |
| FR2664397B1 (fr) * | 1990-07-06 | 1992-09-11 | Gen Electric Cgr | Procede d'estimation et d'etalonnage de la lumination recue par un film radiographique. |
| US5150393A (en) * | 1990-09-29 | 1992-09-22 | Siemens Aktiengesellschaft | X-ray diagnostics installation for mammography |
| SE9201157D0 (sv) * | 1992-04-10 | 1992-04-10 | Siemens Elema Ab | Saett att styra kompressionskraften vid en roentgenapparat foer mammografiundersoekningar och anordning foer genomfoerande av saettet |
| WO1994028696A1 (en) * | 1993-05-31 | 1994-12-08 | Boris Yanovich Mishkinis | Method for controlling x-ray diagnostic apparatus, and x-ray diagnostic apparatus |
| FR2786389B1 (fr) * | 1998-11-27 | 2001-01-26 | Ge Medical Syst Sa | Procede de reglage de la configuration en radiologie numerique |
| FI117818B (sv) | 2001-08-03 | 2007-03-15 | Palodex Group Oy | Reglering av strålning i en röntgenfotograferingsanordning, som används för en intraoraltillämpning |
| FI20075701L (sv) * | 2007-10-03 | 2008-12-03 | Planmed Oy | Arrangemang och förfarande vid digital mammografiavbildning |
| JP5188440B2 (ja) * | 2009-03-31 | 2013-04-24 | 富士フイルム株式会社 | 放射線画像補正方法および放射線画像撮影装置 |
| CN103747605B (zh) * | 2013-12-30 | 2016-01-20 | 西北核技术研究所 | 一种针对指定能谱形态的x射线能谱调制方法 |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2747104A (en) * | 1951-10-06 | 1956-05-22 | Gen Electric | Interval timing apparatus |
| BE793417A (fr) * | 1972-01-05 | 1973-04-16 | Siemens Ag | Appareil de radiographie |
| US3974385A (en) * | 1972-12-06 | 1976-08-10 | Siemens Aktiengesellschaft | X-ray diagnostic apparatus |
| US4130655A (en) * | 1976-07-12 | 1978-12-19 | Ciba-Geigy Corporation | Pesticidal 2,2-dimethyl-3-isobutyl-cyclopropionates |
| US4189645A (en) * | 1978-06-28 | 1980-02-19 | Advanced Instrument Development, Inc. | X-ray measuring system |
| SE420459B (sv) * | 1979-02-06 | 1981-10-12 | Bengt Olof Lundgren | Rontgenapparat innefattande en rontgenstalkella for bestralning av ett objekt i form av vevnad, i synnerhet brost hos kvinnor |
| JPS55148398A (en) * | 1979-05-09 | 1980-11-18 | Toshiba Corp | X-ray camera |
| JPS5738014Y2 (sv) * | 1980-07-03 | 1982-08-21 | ||
| DE3132057A1 (de) * | 1981-08-13 | 1983-03-03 | Philips Patentverwaltung Gmbh, 2000 Hamburg | Roentgengenerator mit selbsttaetiger korrektur eines die dosis bestimmenden aufnahmeparameters |
| JPS59214391A (ja) * | 1983-05-18 | 1984-12-04 | Toshiba Corp | Ｘ線診断装置 |
| GB2174492A (en) * | 1985-04-29 | 1986-11-05 | Philips Nv | X-ray examination system and method of controlling an exposure therein |
-
1985
- 1985-08-29 FI FI853317A patent/FI79241C/sv not_active IP Right Cessation
-
1986
- 1986-08-29 AU AU63321/86A patent/AU6332186A/en not_active Abandoned
- 1986-08-29 JP JP61504720A patent/JPS63500625A/ja active Pending
- 1986-08-29 EP EP86905299A patent/EP0291502B1/en not_active Expired - Lifetime
- 1986-08-29 DE DE3689837T patent/DE3689837T2/de not_active Expired - Fee Related
- 1986-08-29 WO PCT/FI1986/000092 patent/WO1987001555A1/en not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| DE3689837D1 (de) | 1994-06-16 |
| DE3689837T2 (de) | 1994-08-18 |
| EP0291502A1 (en) | 1988-11-23 |
| FI853317L (fi) | 1987-03-01 |
| FI853317A0 (fi) | 1985-08-29 |
| EP0291502B1 (en) | 1994-05-11 |
| JPS63500625A (ja) | 1988-03-03 |
| WO1987001555A1 (en) | 1987-03-12 |
| AU6332186A (en) | 1987-03-24 |
| FI79241C (sv) | 1989-12-11 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PC | Transfer of assignment of patent |
Owner name: DENTSPLY RESEARCH & DEVELOPMENT CORP. |
|
| PC | Transfer of assignment of patent |
Owner name: DENTSPLY RESEARCH & DEVELOPMENT CORP. |
|
| MM | Patent lapsed | ||
| MM | Patent lapsed |
Owner name: DENTSPLY RESEARCH & DEVELOPMENT CORP. |