EP3217408A3 - Focussing module for a form filter and form filter for adjusting a spatial intensity distribution of a x-ray beam - Google Patents

Focussing module for a form filter and form filter for adjusting a spatial intensity distribution of a x-ray beam Download PDF

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Publication number
EP3217408A3
EP3217408A3 EP17173761.2A EP17173761A EP3217408A3 EP 3217408 A3 EP3217408 A3 EP 3217408A3 EP 17173761 A EP17173761 A EP 17173761A EP 3217408 A3 EP3217408 A3 EP 3217408A3
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EP
European Patent Office
Prior art keywords
groove
form filter
adjusting
intensity distribution
ray beam
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.)
Granted
Application number
EP17173761.2A
Other languages
German (de)
French (fr)
Other versions
EP3217408A2 (en
EP3217408B1 (en
Inventor
Sascha Manuel Huck
Karl Stierstorfer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens Healthcare GmbH
Original Assignee
Siemens Healthcare GmbH
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Filing date
Publication date
Application filed by Siemens Healthcare GmbH filed Critical Siemens Healthcare GmbH
Priority to EP17173761.2A priority Critical patent/EP3217408B1/en
Publication of EP3217408A2 publication Critical patent/EP3217408A2/en
Publication of EP3217408A3 publication Critical patent/EP3217408A3/en
Application granted granted Critical
Publication of EP3217408B1 publication Critical patent/EP3217408B1/en
Active legal-status Critical Current
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Classifications

    • 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
    • G21K1/02—Arrangements for handling particles or ionising radiation, e.g. focusing or moderating using diaphragms, collimators
    • G21K1/025—Arrangements for handling particles or ionising radiation, e.g. focusing or moderating using diaphragms, collimators using multiple collimators, e.g. Bucky screens; other devices for eliminating undesired or dispersed radiation
    • 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

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  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Apparatus For Radiation Diagnosis (AREA)

Abstract

Die Erfindung betrifft ein Fokussierungsmodul für einen Formfilter zum Einstellen einer räumlichen Intensitätsverteilung eines Röntgenstrahls, aufweisend
- einen Rahmen (R) mit einer durchgehenden Öffnung,
- eine Anordnung von Nut-Paaren, welche an dem Rahmen angeordnet sind,
- wobei relativ zu der Anordnung von Nut-Paaren ein Fokuspunkt definierbar ist, dem die durchgehende Öffnung zugewandt ist,
- wobei die Nut-Paare entlang der durchgehenden Öffnung nebeneinander derart angeordnet sind, dass sie sich in verschiedenen Ebenen (E) befinden, welche jeweils den Fokuspunkt aufweisen,
- wobei die Nut-Paare jeweils eine erste Nut (N1) und eine der ersten Nut in Bezug auf die durchgehende Öffnung gegenüberliegende zweite Nut aufweisen, wobei die erste Nut und die zweite Nut derart ausgebildet sind, dass ein Lamellenblech (L) an zwei einander gegenüberliegenden Rändern des Lamellenblechs in die erste Nut und die zweite Nut aufnehmbar und entlang der ersten Nut und der zweiten Nut in die durchgehende Öffnung einführbar ist.

Figure imgaf001
The invention relates to a focussing module for a shape filter for adjusting a spatial intensity distribution of an X-ray beam
a frame (R) with a through opening,
an arrangement of groove pairs, which are arranged on the frame,
wherein, relative to the arrangement of groove pairs, a focal point is defined to which the through-opening faces,
- wherein the groove pairs are arranged alongside one another along the through-opening in such a way that they are located in different planes (E), which each have the focal point,
- Wherein the groove pairs each having a first groove (N1) and one of the first groove with respect to the through hole opposite second groove, wherein the first groove and the second groove are formed such that a lamination sheet (L) at two each other opposite edges of the lamination plate in the first groove and the second groove is receivable and insertable along the first groove and the second groove in the through hole.
Figure imgaf001
EP17173761.2A 2017-05-31 2017-05-31 Focussing module for a form filter and form filter for adjusting a spatial intensity distribution of a x-ray beam Active EP3217408B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP17173761.2A EP3217408B1 (en) 2017-05-31 2017-05-31 Focussing module for a form filter and form filter for adjusting a spatial intensity distribution of a x-ray beam

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP17173761.2A EP3217408B1 (en) 2017-05-31 2017-05-31 Focussing module for a form filter and form filter for adjusting a spatial intensity distribution of a x-ray beam

Publications (3)

Publication Number Publication Date
EP3217408A2 EP3217408A2 (en) 2017-09-13
EP3217408A3 true EP3217408A3 (en) 2017-12-27
EP3217408B1 EP3217408B1 (en) 2021-07-21

Family

ID=59034446

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17173761.2A Active EP3217408B1 (en) 2017-05-31 2017-05-31 Focussing module for a form filter and form filter for adjusting a spatial intensity distribution of a x-ray beam

Country Status (1)

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EP (1) EP3217408B1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102018214311A1 (en) 2018-02-26 2019-08-29 Siemens Healthcare Gmbh Device for changing a spatial intensity distribution of an X-ray beam
EP3598949A1 (en) 2018-07-27 2020-01-29 Siemens Healthcare GmbH Computed tomography apparatus comprising lamellae form filter and spring focus x-ray source

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58114800U (en) * 1982-01-29 1983-08-05 株式会社島津製作所 collimator
US5099134A (en) * 1988-05-27 1992-03-24 Kabushiki Kaisha Toshiba Collimator and a method of producing a collimator for a scintillator
US20080080674A1 (en) * 2006-09-29 2008-04-03 Fujifilm Corporation Radiation image taking apparatus
US20100239072A1 (en) * 2009-03-19 2010-09-23 Haruo Kurochi Collimator unit, radiation detecting device, and radiodiagnostic system
US20110096895A1 (en) * 2009-10-23 2011-04-28 Ge Medical Systems Global Technology Company, Llc Collimator module, x-ray detector, x-ray ct device, and assembling method of collimator module
US20170011815A1 (en) * 2015-07-07 2017-01-12 General Electric Company X-ray filtration

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005018811B4 (en) 2005-04-22 2008-02-21 Siemens Ag Aperture device for an X-ray device provided for scanning an object and method for a diaphragm device
DE102008049708B4 (en) 2008-09-30 2011-03-17 Siemens Aktiengesellschaft Aperture and diaphragm device for the targeted influence of X-radiation
DE102011004742B4 (en) 2011-02-25 2015-02-12 Siemens Aktiengesellschaft Filter for an X-ray device and X-ray device

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58114800U (en) * 1982-01-29 1983-08-05 株式会社島津製作所 collimator
US5099134A (en) * 1988-05-27 1992-03-24 Kabushiki Kaisha Toshiba Collimator and a method of producing a collimator for a scintillator
US20080080674A1 (en) * 2006-09-29 2008-04-03 Fujifilm Corporation Radiation image taking apparatus
US20100239072A1 (en) * 2009-03-19 2010-09-23 Haruo Kurochi Collimator unit, radiation detecting device, and radiodiagnostic system
US20110096895A1 (en) * 2009-10-23 2011-04-28 Ge Medical Systems Global Technology Company, Llc Collimator module, x-ray detector, x-ray ct device, and assembling method of collimator module
US20170011815A1 (en) * 2015-07-07 2017-01-12 General Electric Company X-ray filtration

Also Published As

Publication number Publication date
EP3217408A2 (en) 2017-09-13
EP3217408B1 (en) 2021-07-21

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