A high-speed, pressurised multi-wire gamma camera for dynamic imaging in nuclear medicine
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| Title: | A high-speed, pressurised multi-wire gamma camera for dynamic imaging in nuclear medicine |
|---|---|
| Authors: | Barr, A.1 angela.barr@espci.fr, Bonaldi, L.2, Carugno, G.2, Charpak, G.1, Iannuzzi, D.1, Nicoletto, M.2, Pepato, A.2, Ventura, S.2 |
| Source: | Nuclear Instruments & Methods in Physics Research Section A. Jan2002, Vol. 477 Issue 1-3, p499. 6p. |
| Subjects: | Detectors, Nuclear medicine |
| Abstract: | High count rate detectors are of particular interest in nuclear medicine as they permit lower radiation doses to be received by the patient and allow dynamic images of high statistical quality to be obtained.We have developed a high-speed gamma camera based on a multi-wire proportional chamber. The chamber is filled with a xenon gas mixture and has been operated at pressures ranging from 5 to 10 bar. With an active imaging area of 25 cm×25 cm, the chamber has been equipped with an advanced, high rate, digital, electronic read-out system which carries out pulse shaping, energy discrimination, XY coincidence and cluster selection at speeds of up to a few megahertz. In order to ensure stable, long-term operation of the camera without degradation in performance, a gas purification system was designed and integrated into the camera. Measurements have been carried out to determine the properties and applicability of the camera using photon sources in the 20–120 keV energy range.We present some design features of the camera and selected results obtained from preliminary measurements carried out to measure its performance characteristics. Initial images obtained from the camera will also be presented. [Copyright &y& Elsevier] |
| Copyright of Nuclear Instruments & Methods in Physics Research Section A is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.) | |
| Database: | Engineering Source |
| FullText | Text: Availability: 0 |
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| Header | DbId: egs DbLabel: Engineering Source An: 8663375 AccessLevel: 6 PubType: Academic Journal PubTypeId: academicJournal PreciseRelevancyScore: 0 |
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| Items | – Name: Title Label: Title Group: Ti Data: A high-speed, pressurised multi-wire gamma camera for dynamic imaging in nuclear medicine – Name: Author Label: Authors Group: Au Data: <searchLink fieldCode="AR" term="%22Barr%2C+A%2E%22">Barr, A.</searchLink><relatesTo>1</relatesTo><i> angela.barr@espci.fr</i><br /><searchLink fieldCode="AR" term="%22Bonaldi%2C+L%2E%22">Bonaldi, L.</searchLink><relatesTo>2</relatesTo><br /><searchLink fieldCode="AR" term="%22Carugno%2C+G%2E%22">Carugno, G.</searchLink><relatesTo>2</relatesTo><br /><searchLink fieldCode="AR" term="%22Charpak%2C+G%2E%22">Charpak, G.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Iannuzzi%2C+D%2E%22">Iannuzzi, D.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Nicoletto%2C+M%2E%22">Nicoletto, M.</searchLink><relatesTo>2</relatesTo><br /><searchLink fieldCode="AR" term="%22Pepato%2C+A%2E%22">Pepato, A.</searchLink><relatesTo>2</relatesTo><br /><searchLink fieldCode="AR" term="%22Ventura%2C+S%2E%22">Ventura, S.</searchLink><relatesTo>2</relatesTo> – Name: TitleSource Label: Source Group: Src Data: <searchLink fieldCode="JN" term="%22Nuclear+Instruments+%26+Methods+in+Physics+Research+Section+A%22">Nuclear Instruments & Methods in Physics Research Section A</searchLink>. Jan2002, Vol. 477 Issue 1-3, p499. 6p. – Name: Subject Label: Subjects Group: Su Data: <searchLink fieldCode="DE" term="%22Detectors%22">Detectors</searchLink><br /><searchLink fieldCode="DE" term="%22Nuclear+medicine%22">Nuclear medicine</searchLink> – Name: Abstract Label: Abstract Group: Ab Data: High count rate detectors are of particular interest in nuclear medicine as they permit lower radiation doses to be received by the patient and allow dynamic images of high statistical quality to be obtained.We have developed a high-speed gamma camera based on a multi-wire proportional chamber. The chamber is filled with a xenon gas mixture and has been operated at pressures ranging from 5 to 10 bar. With an active imaging area of 25 cm×25 cm, the chamber has been equipped with an advanced, high rate, digital, electronic read-out system which carries out pulse shaping, energy discrimination, XY coincidence and cluster selection at speeds of up to a few megahertz. In order to ensure stable, long-term operation of the camera without degradation in performance, a gas purification system was designed and integrated into the camera. Measurements have been carried out to determine the properties and applicability of the camera using photon sources in the 20–120 keV energy range.We present some design features of the camera and selected results obtained from preliminary measurements carried out to measure its performance characteristics. Initial images obtained from the camera will also be presented. [Copyright &y& Elsevier] – Name: AbstractSuppliedCopyright Label: Group: Ab Data: <i>Copyright of Nuclear Instruments & Methods in Physics Research Section A is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.) |
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| RecordInfo | BibRecord: BibEntity: Identifiers: – Type: doi Value: 10.1016/S0168-9002(01)01791-0 Languages: – Code: eng Text: English PhysicalDescription: Pagination: PageCount: 6 StartPage: 499 Subjects: – SubjectFull: Detectors Type: general – SubjectFull: Nuclear medicine Type: general Titles: – TitleFull: A high-speed, pressurised multi-wire gamma camera for dynamic imaging in nuclear medicine Type: main BibRelationships: HasContributorRelationships: – PersonEntity: Name: NameFull: Barr, A. – PersonEntity: Name: NameFull: Bonaldi, L. – PersonEntity: Name: NameFull: Carugno, G. – PersonEntity: Name: NameFull: Charpak, G. – PersonEntity: Name: NameFull: Iannuzzi, D. – PersonEntity: Name: NameFull: Nicoletto, M. – PersonEntity: Name: NameFull: Pepato, A. – PersonEntity: Name: NameFull: Ventura, S. IsPartOfRelationships: – BibEntity: Dates: – D: 21 M: 01 Text: Jan2002 Type: published Y: 2002 Identifiers: – Type: issn-print Value: 01689002 Numbering: – Type: volume Value: 477 – Type: issue Value: 1-3 Titles: – TitleFull: Nuclear Instruments & Methods in Physics Research Section A Type: main |
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