JP4395337B2 - コントラスト・ファントム - Google Patents
コントラスト・ファントム Download PDFInfo
- Publication number
- JP4395337B2 JP4395337B2 JP2003190301A JP2003190301A JP4395337B2 JP 4395337 B2 JP4395337 B2 JP 4395337B2 JP 2003190301 A JP2003190301 A JP 2003190301A JP 2003190301 A JP2003190301 A JP 2003190301A JP 4395337 B2 JP4395337 B2 JP 4395337B2
- Authority
- JP
- Japan
- Prior art keywords
- radiation
- phantom
- contrast
- contrast phantom
- energy
- 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.)
- Expired - Fee Related
Links
- 230000005855 radiation Effects 0.000 claims description 82
- 238000001228 spectrum Methods 0.000 claims description 42
- 239000000463 material Substances 0.000 claims description 37
- 238000010521 absorption reaction Methods 0.000 claims description 15
- 238000005286 illumination Methods 0.000 claims description 10
- 238000001514 detection method Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 7
- 239000011358 absorbing material Substances 0.000 claims description 5
- 230000001678 irradiating effect Effects 0.000 claims description 4
- 230000003595 spectral effect Effects 0.000 description 15
- 230000002745 absorbent Effects 0.000 description 14
- 239000002250 absorbent Substances 0.000 description 14
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 13
- 230000005540 biological transmission Effects 0.000 description 13
- 229910052802 copper Inorganic materials 0.000 description 13
- 239000010949 copper Substances 0.000 description 13
- 239000006096 absorbing agent Substances 0.000 description 11
- 238000003908 quality control method Methods 0.000 description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 5
- 229910052782 aluminium Inorganic materials 0.000 description 5
- 230000002238 attenuated effect Effects 0.000 description 5
- 229910052735 hafnium Inorganic materials 0.000 description 5
- VBJZVLUMGGDVMO-UHFFFAOYSA-N hafnium atom Chemical compound [Hf] VBJZVLUMGGDVMO-UHFFFAOYSA-N 0.000 description 5
- 230000035945 sensitivity Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 230000007423 decrease Effects 0.000 description 3
- 230000003247 decreasing effect Effects 0.000 description 3
- 239000010405 anode material Substances 0.000 description 2
- 229910052729 chemical element Inorganic materials 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 230000001747 exhibiting effect Effects 0.000 description 2
- 238000009607 mammography Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 210000000481 breast Anatomy 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000011045 prefiltration Methods 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000006100 radiation absorber Substances 0.000 description 1
- 238000001959 radiotherapy Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical group [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 1
- 238000004154 testing of material 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
- A61B6/48—Diagnostic techniques
- A61B6/482—Diagnostic techniques involving multiple energy imaging
-
- 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
- A61B6/4035—Arrangements for generating radiation specially adapted for radiation diagnosis the source being combined with a filter or grating
- A61B6/4042—K-edge filters
-
- 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
-
- 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
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Medical Informatics (AREA)
- Physics & Mathematics (AREA)
- High Energy & Nuclear Physics (AREA)
- Heart & Thoracic Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- Optics & Photonics (AREA)
- Pathology (AREA)
- Radiology & Medical Imaging (AREA)
- Biomedical Technology (AREA)
- Biophysics (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Spectroscopy & Molecular Physics (AREA)
- General Engineering & Computer Science (AREA)
- Apparatus For Radiation Diagnosis (AREA)
- Measurement Of Radiation (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP02100792A EP1380259B1 (en) | 2002-07-09 | 2002-07-09 | Contrast phantom |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2004041731A JP2004041731A (ja) | 2004-02-12 |
| JP2004041731A5 JP2004041731A5 (enExample) | 2006-08-31 |
| JP4395337B2 true JP4395337B2 (ja) | 2010-01-06 |
Family
ID=29724539
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2003190301A Expired - Fee Related JP4395337B2 (ja) | 2002-07-09 | 2003-07-02 | コントラスト・ファントム |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US6905245B2 (enExample) |
| EP (1) | EP1380259B1 (enExample) |
| JP (1) | JP4395337B2 (enExample) |
| DE (1) | DE60208495T2 (enExample) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2289423A1 (en) * | 1998-05-14 | 2011-03-02 | David N. Krag | System for bracketing tissue |
| ATE456332T1 (de) | 2000-11-17 | 2010-02-15 | Calypso Medical Inc | System zur lokalisierung und definition einer zielposition in einem menschlichen körper |
| US7135978B2 (en) | 2001-09-14 | 2006-11-14 | Calypso Medical Technologies, Inc. | Miniature resonating marker assembly |
| US7926491B2 (en) * | 2002-12-31 | 2011-04-19 | Calypso Medical Technologies, Inc. | Method and apparatus for sensing field strength signals to estimate location of a wireless implantable marker |
| US7912529B2 (en) * | 2002-12-30 | 2011-03-22 | Calypso Medical Technologies, Inc. | Panel-type sensor/source array assembly |
| US9248003B2 (en) * | 2002-12-30 | 2016-02-02 | Varian Medical Systems, Inc. | Receiver used in marker localization sensing system and tunable to marker frequency |
| US20050154284A1 (en) * | 2003-12-31 | 2005-07-14 | Wright J. N. | Method and system for calibration of a marker localization sensing array |
| US20050154280A1 (en) * | 2003-12-31 | 2005-07-14 | Wright J. N. | Receiver used in marker localization sensing system |
| US7684849B2 (en) * | 2003-12-31 | 2010-03-23 | Calypso Medical Technologies, Inc. | Marker localization sensing system synchronized with radiation source |
| BRPI0515007A (pt) | 2004-08-12 | 2008-07-01 | Navotek Medical Ltd | sistema computadorizado para rastreamento e localização de fonte de ionização irradiada, sensor para direcionamento localizado em uma fonte de radiação ionizada, método para determinação da localização do dispositivo, método de fabricação de dispositivo de localização e uso de protetor de radiação ionizante |
| DE102008016106A1 (de) * | 2008-03-28 | 2009-10-15 | Siemens Aktiengesellschaft | Verfahren zur Herstellung eines Röntgenphantoms und Röntgenphantom |
| US8708562B1 (en) | 2013-03-05 | 2014-04-29 | Nosil DSC Innovations, Inc. | Phantom systems and methods for diagnostic x-ray equipment |
| GB201308818D0 (en) * | 2013-05-16 | 2013-07-03 | Ibex Innovations Ltd | X-ray detector apparatus |
| US9936935B1 (en) | 2014-02-14 | 2018-04-10 | Nosil DSC Innovations, Inc. | Phantom systems and methods for diagnostic radiographic and fluoroscopic X-ray equipment |
| US11249035B2 (en) * | 2020-06-29 | 2022-02-15 | Canon Medical Systems Corporation | Two-step material decomposition calibration method for a full size photon counting computed tomography system |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4400827A (en) * | 1981-11-13 | 1983-08-23 | Spears James R | Method and apparatus for calibrating rapid sequence radiography |
| DE3248752A1 (de) * | 1982-12-31 | 1984-07-12 | Wellhöfer Kernphysik Entwicklungs- und Vertriebs GmbH & Co KG, 8501 Schwarzenbruck | Testfilter zur nicht-invasiven ueberpruefung der roehrenhochspannung an roentgengeraeten |
| US4843619A (en) * | 1988-04-22 | 1989-06-27 | Keithley Instruments Inc. | Apparatus for measuring the peak voltage applied to a radiation source |
| JP2962015B2 (ja) * | 1991-02-20 | 1999-10-12 | 松下電器産業株式会社 | ｋ吸収端フィルタおよびＸ線装置 |
| US5335260A (en) * | 1992-11-25 | 1994-08-02 | Arnold Ben A | Calibration phantom and improved method of quantifying calcium and bone density using same |
| US5565678A (en) * | 1995-06-06 | 1996-10-15 | Lumisys, Inc. | Radiographic image quality assessment utilizing a stepped calibration target |
| DE19852324C2 (de) * | 1998-11-12 | 2000-11-16 | Siemens Ag | Phantom zur Messung von Schichtempfindlichtkeitsprofilen und der axialen Modulationstransferfunktion (MTF) an einem Röntgencomputertomographen |
-
2002
- 2002-07-09 DE DE60208495T patent/DE60208495T2/de not_active Expired - Lifetime
- 2002-07-09 EP EP02100792A patent/EP1380259B1/en not_active Expired - Lifetime
-
2003
- 2003-06-19 US US10/465,084 patent/US6905245B2/en not_active Expired - Lifetime
- 2003-07-02 JP JP2003190301A patent/JP4395337B2/ja not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| DE60208495D1 (de) | 2006-03-30 |
| DE60208495T2 (de) | 2006-08-03 |
| EP1380259B1 (en) | 2006-01-04 |
| JP2004041731A (ja) | 2004-02-12 |
| US6905245B2 (en) | 2005-06-14 |
| EP1380259A1 (en) | 2004-01-14 |
| US20040008821A1 (en) | 2004-01-15 |
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