WO2001079884A9 - Camera portative a capacite tomographique - Google Patents
Camera portative a capacite tomographiqueInfo
- Publication number
- WO2001079884A9 WO2001079884A9 PCT/US2001/011708 US0111708W WO0179884A9 WO 2001079884 A9 WO2001079884 A9 WO 2001079884A9 US 0111708 W US0111708 W US 0111708W WO 0179884 A9 WO0179884 A9 WO 0179884A9
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- detector
- radiation
- gamma
- camera
- lesion
- Prior art date
Links
- 230000005855 radiation Effects 0.000 claims abstract description 55
- 238000000034 method Methods 0.000 claims abstract description 52
- 230000003902 lesion Effects 0.000 claims abstract description 34
- 230000005251 gamma ray Effects 0.000 claims abstract description 26
- 238000003384 imaging method Methods 0.000 claims abstract description 24
- 230000010354 integration Effects 0.000 claims abstract description 14
- 239000000463 material Substances 0.000 claims description 11
- 239000002699 waste material Substances 0.000 claims description 9
- 230000005670 electromagnetic radiation Effects 0.000 claims description 5
- 239000002901 radioactive waste Substances 0.000 claims description 4
- 238000000342 Monte Carlo simulation Methods 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims 2
- 239000000523 sample Substances 0.000 description 12
- 238000012546 transfer Methods 0.000 description 11
- 230000000694 effects Effects 0.000 description 10
- 238000009607 mammography Methods 0.000 description 9
- 239000011159 matrix material Substances 0.000 description 9
- 238000012937 correction Methods 0.000 description 8
- 206010028980 Neoplasm Diseases 0.000 description 7
- 238000001356 surgical procedure Methods 0.000 description 7
- 238000013459 approach Methods 0.000 description 5
- 201000011510 cancer Diseases 0.000 description 4
- 210000002307 prostate Anatomy 0.000 description 4
- 230000002285 radioactive effect Effects 0.000 description 4
- 239000000941 radioactive substance Substances 0.000 description 4
- 238000004088 simulation Methods 0.000 description 4
- 238000004422 calculation algorithm Methods 0.000 description 3
- 238000002591 computed tomography Methods 0.000 description 3
- 230000001419 dependent effect Effects 0.000 description 3
- 230000001926 lymphatic effect Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000004044 response Effects 0.000 description 3
- 230000007704 transition Effects 0.000 description 3
- 102000012406 Carcinoembryonic Antigen Human genes 0.000 description 2
- 108010022366 Carcinoembryonic Antigen Proteins 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000001574 biopsy Methods 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 230000005672 electromagnetic field Effects 0.000 description 2
- 239000002927 high level radioactive waste Substances 0.000 description 2
- 238000002595 magnetic resonance imaging Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000012857 radioactive material Substances 0.000 description 2
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 2
- 229910052721 tungsten Inorganic materials 0.000 description 2
- 239000010937 tungsten Substances 0.000 description 2
- 210000003932 urinary bladder Anatomy 0.000 description 2
- 206010009944 Colon cancer Diseases 0.000 description 1
- 238000007476 Maximum Likelihood Methods 0.000 description 1
- 206010033128 Ovarian cancer Diseases 0.000 description 1
- 206010061535 Ovarian neoplasm Diseases 0.000 description 1
- 210000001015 abdomen Anatomy 0.000 description 1
- 230000003190 augmentative effect Effects 0.000 description 1
- 210000001099 axilla Anatomy 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052793 cadmium Inorganic materials 0.000 description 1
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 210000004027 cell Anatomy 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000002512 chemotherapy Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 208000029742 colonic neoplasm Diseases 0.000 description 1
- 238000004590 computer program Methods 0.000 description 1
- 238000013480 data collection Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 210000003414 extremity Anatomy 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000002925 low-level radioactive waste Substances 0.000 description 1
- BOYZAERJCXIRAX-UHFFFAOYSA-N lutetium(3+);trisilicate Chemical compound [Lu+3].[Lu+3].[Lu+3].[Lu+3].[O-][Si]([O-])([O-])[O-].[O-][Si]([O-])([O-])[O-].[O-][Si]([O-])([O-])[O-] BOYZAERJCXIRAX-UHFFFAOYSA-N 0.000 description 1
- 210000001165 lymph node Anatomy 0.000 description 1
- 238000013507 mapping Methods 0.000 description 1
- 201000001441 melanoma Diseases 0.000 description 1
- 206010061289 metastatic neoplasm Diseases 0.000 description 1
- 210000003739 neck Anatomy 0.000 description 1
- 201000011519 neuroendocrine tumor Diseases 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 208000003388 osteoid osteoma Diseases 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 210000004197 pelvis Anatomy 0.000 description 1
- 238000002600 positron emission tomography Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 210000004061 pubic symphysis Anatomy 0.000 description 1
- 239000000700 radioactive tracer Substances 0.000 description 1
- 238000001959 radiotherapy Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000002603 single-photon emission computed tomography Methods 0.000 description 1
- 239000002915 spent fuel radioactive waste Substances 0.000 description 1
- 238000007619 statistical method Methods 0.000 description 1
- 230000009885 systemic effect Effects 0.000 description 1
- 210000001519 tissue Anatomy 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 210000004881 tumor cell Anatomy 0.000 description 1
- 238000002604 ultrasonography Methods 0.000 description 1
- 238000012285 ultrasound imaging Methods 0.000 description 1
- 210000003708 urethra Anatomy 0.000 description 1
- 238000012800 visualization Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
- G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
- G01T1/16—Measuring radiation intensity
- G01T1/161—Applications in the field of nuclear medicine, e.g. in vivo counting
-
- 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]
- A61B6/037—Emission tomography
-
- 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
- A61B6/42—Arrangements for detecting radiation specially adapted for radiation diagnosis
- A61B6/4208—Arrangements for detecting radiation specially adapted for radiation diagnosis characterised by using a particular type of detector
- A61B6/4258—Arrangements for detecting radiation specially adapted for radiation diagnosis characterised by using a particular type of detector for detecting non x-ray radiation, e.g. gamma radiation
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
- G01T7/00—Details of radiation-measuring instruments
Definitions
- the present invention relates to a tomographic imaging system and method.
- Intraoperative visualization of target lesions and overlying tissues can reduce the time and invasiveness of surgical procedures, which results in cost savings and reductions in surgical complications .
- the present invention contemplates a tomographic imaging system comprising a moveable detector that is capable of detecting gamma radiation; a position sensor for determining the position and angulation of the detector in relation to a gamma ray emitting source; and a computational device for integrating the position and angulation of the detector with information as to the energy and distribution of gamma rays detected by the detector and deriving a three dimensional representation of the source based on the integration.
- Figure 6B shows a formalism that converts rays from a moving pinhole into the equivalent of the dual detector geometry depicted in Figure 6A.
- Boundary planes 88 and 96 are defined, which are traversed by rays passing through the pinhole 84.
- the detector backplane 82 is beyond the volume of reconstruction.
- the event origin on the detector backplane 82 is backprojected onto the boundary 88 of the reconstruction volume 90.
- the location of intersection 92 with this boundary 88 is then treated as if the ray actually arose from this location 92 on the boundary volume.
- the event data is treated as if it was from lines which originated and terminated in "virtual" detectors 88 and 96 placed at the boundary locations 92 and 94.
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)
- Molecular Biology (AREA)
- Biomedical Technology (AREA)
- General Health & Medical Sciences (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Optics & Photonics (AREA)
- Heart & Thoracic Surgery (AREA)
- Radiology & Medical Imaging (AREA)
- Pathology (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- Biophysics (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- General Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Nuclear Medicine (AREA)
- Apparatus For Radiation Diagnosis (AREA)
- Monitoring And Testing Of Nuclear Reactors (AREA)
Abstract
L'invention concerne un système d'imagerie tomographique comprenant un ou plusieurs détecteurs mobiles permettant de détecter un rayonnement gamma, un ou plusieurs capteurs de position permettant de déterminer la position et l'angulation des détecteurs par rapport à une source émettrice de rayons gamma, ainsi qu'un dispositif informatique destiné à intégrer la position et l'angulation des détecteurs avec des informations relatives à l'énergie et à la distribution des rayons gamma détectés par les détecteurs et à fournir une représentation en trois dimensions de la source sur la base sur cette intégration. L'invention concerne également un procédé d'imagerie d'une lésion émettrice de rayonnement située dans un volume étudié.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AU2001255305A AU2001255305A1 (en) | 2000-04-12 | 2001-04-11 | Hand held camera with tomograhic capability |
| EP01928448A EP1272108A4 (fr) | 2000-04-12 | 2001-04-11 | Camera portative a capacite tomographique |
| CA002405592A CA2405592A1 (fr) | 2000-04-12 | 2001-04-11 | Camera portative a capacite tomographique |
| JP2001576494A JP2003532870A (ja) | 2000-04-12 | 2001-04-11 | 断層撮像機能を有する手持ちカメラ |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US19665400P | 2000-04-12 | 2000-04-12 | |
| US60/196,654 | 2000-04-12 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| WO2001079884A2 WO2001079884A2 (fr) | 2001-10-25 |
| WO2001079884A3 WO2001079884A3 (fr) | 2002-08-29 |
| WO2001079884A9 true WO2001079884A9 (fr) | 2002-12-19 |
Family
ID=22726279
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/US2001/011708 WO2001079884A2 (fr) | 2000-04-12 | 2001-04-11 | Camera portative a capacite tomographique |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP1272108A4 (fr) |
| JP (1) | JP2003532870A (fr) |
| AU (1) | AU2001255305A1 (fr) |
| CA (1) | CA2405592A1 (fr) |
| WO (1) | WO2001079884A2 (fr) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113974689A (zh) * | 2012-03-07 | 2022-01-28 | 齐特奥股份有限公司 | 空间对准设备 |
| CN113974689B (zh) * | 2012-03-07 | 2024-10-22 | 齐特奥股份有限公司 | 空间对准设备 |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7115874B2 (en) | 2002-08-12 | 2006-10-03 | Naviscan Pet Systems, Inc. | Mission-specific positron emission tomography |
| ES2204322B1 (es) | 2002-10-01 | 2005-07-16 | Consejo Sup. De Invest. Cientificas | Navegador funcional. |
| GB0310998D0 (en) * | 2003-05-14 | 2003-06-18 | British Nuclear Fuels Plc | Detection of solid deposits |
| EP1795142B1 (fr) * | 2005-11-24 | 2008-06-11 | BrainLAB AG | Système de suivi médical utilisant une camera pour les rayons gamma |
| EP2140913A1 (fr) * | 2008-07-03 | 2010-01-06 | Ion Beam Applications S.A. | Dispositif et procédé pour la vérification d'une thérapie par particules |
| JP5918093B2 (ja) * | 2012-09-21 | 2016-05-18 | 日立アロカメディカル株式会社 | 放射線測定装置及び放射線測定方法 |
| US9057684B2 (en) | 2013-04-05 | 2015-06-16 | The Arizona Board Of Regents On Behalf Of The University Of Arizona | Gamma ray imaging systems and methods |
| JP6190302B2 (ja) * | 2014-03-28 | 2017-08-30 | 国立研究開発法人国立がん研究センター | 生体機能観測装置および放射線治療システム |
| JP6456547B1 (ja) * | 2018-10-08 | 2019-01-23 | 教裕 南郷 | 放射線に影響されにくい撮影機器並びに画像表示機器 |
| CN110264565B (zh) * | 2019-05-27 | 2021-07-30 | 浙江大学 | 一种基于半峰值概率密度分布的三维重建方法 |
| US11191515B1 (en) * | 2020-10-23 | 2021-12-07 | Siemens Medical Solutions Usa, Inc | Internal dose assessment with portable single photon emission computed tomography |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3714429A (en) * | 1970-09-28 | 1973-01-30 | Afee J Mc | Tomographic radioisotopic imaging with a scintillation camera |
| US4243884A (en) * | 1978-11-09 | 1981-01-06 | Actus, Inc. | Probe assembly |
| US4899054A (en) * | 1988-01-19 | 1990-02-06 | General Electric Company | Gamma camera with image uniformity by energy correction offsets |
| US5170055A (en) * | 1990-07-25 | 1992-12-08 | Care Wise Medical Products Corporation | Radiation detecting biopsy probe |
| US5519221A (en) * | 1992-01-22 | 1996-05-21 | Ansel M. Schwartz | Dedicated apparatus and method for emission mammography |
| US5606165A (en) * | 1993-11-19 | 1997-02-25 | Ail Systems Inc. | Square anti-symmetric uniformly redundant array coded aperture imaging system |
| GB9512935D0 (en) * | 1995-06-24 | 1995-08-30 | British Nuclear Fuels Plc | Arrangements for detecting gamma radiation |
| US5813985A (en) * | 1995-07-31 | 1998-09-29 | Care Wise Medical Products Corporation | Apparatus and methods for providing attenuation guidance and tumor targeting for external beam radiation therapy administration |
| US5690113A (en) * | 1996-06-14 | 1997-11-25 | Acuson Corporation | Method and apparatus for two dimensional ultrasonic imaging |
| US6064904A (en) * | 1997-11-28 | 2000-05-16 | Picker International, Inc. | Frameless stereotactic CT scanner with virtual needle display for planning image guided interventional procedures |
| JPH11352233A (ja) * | 1998-06-08 | 1999-12-24 | Toshiba Corp | 核医学診断装置 |
-
2001
- 2001-04-11 CA CA002405592A patent/CA2405592A1/fr not_active Abandoned
- 2001-04-11 EP EP01928448A patent/EP1272108A4/fr not_active Withdrawn
- 2001-04-11 AU AU2001255305A patent/AU2001255305A1/en not_active Abandoned
- 2001-04-11 JP JP2001576494A patent/JP2003532870A/ja active Pending
- 2001-04-11 WO PCT/US2001/011708 patent/WO2001079884A2/fr active Application Filing
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113974689A (zh) * | 2012-03-07 | 2022-01-28 | 齐特奥股份有限公司 | 空间对准设备 |
| CN113974689B (zh) * | 2012-03-07 | 2024-10-22 | 齐特奥股份有限公司 | 空间对准设备 |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2003532870A (ja) | 2003-11-05 |
| WO2001079884A2 (fr) | 2001-10-25 |
| AU2001255305A1 (en) | 2001-10-30 |
| EP1272108A4 (fr) | 2011-07-13 |
| WO2001079884A3 (fr) | 2002-08-29 |
| CA2405592A1 (fr) | 2001-10-25 |
| EP1272108A2 (fr) | 2003-01-08 |
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