JP2015097692A5 - Breast tomography equipment - Google Patents

Breast tomography equipment Download PDF

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Publication number
JP2015097692A5
JP2015097692A5 JP2013239625A JP2013239625A JP2015097692A5 JP 2015097692 A5 JP2015097692 A5 JP 2015097692A5 JP 2013239625 A JP2013239625 A JP 2013239625A JP 2013239625 A JP2013239625 A JP 2013239625A JP 2015097692 A5 JP2015097692 A5 JP 2015097692A5
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ray
breast
ray detector
tomography apparatus
detector
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JP2013239625A
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JP6362320B2 (en
JP2015097692A (en
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Priority to JP2013239625A priority Critical patent/JP6362320B2/en
Priority claimed from JP2013239625A external-priority patent/JP6362320B2/en
Priority to PCT/JP2014/005648 priority patent/WO2015075897A1/en
Priority to US15/023,639 priority patent/US9968308B2/en
Publication of JP2015097692A publication Critical patent/JP2015097692A/en
Publication of JP2015097692A5 publication Critical patent/JP2015097692A5/en
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本発明は、上記目的のために、乳房が挿入される乳房挿入口が設けられた前面板と、前記乳房挿入口に連なる乳房挿入部と、を有するガントリと、
前記ガントリの内部に配置され、Ｘ線放出部を有するＸ線発生管と、
前記ガントリの内部に配置され、前記乳房挿入部を間において前記Ｘ線放出部と対向するＸ線検出器と、
前記乳房挿入部を通る回転軸の周りに、前記Ｘ線発生管及び前記Ｘ線検出器を同期させて回転させる回転駆動部と、を有し、
前記Ｘ線放出部から前記乳房挿入部を介して前記Ｘ線検出器へ向けてＸ線を照射する乳房断層撮影装置であって、
前記乳房挿入部の周囲を囲んで前記前面板に備えられた環状のＸ線遮蔽部を有し、
前記Ｘ線検出器が、前記回転軸に直交する径方向において前記Ｘ線遮蔽部と重なる部分を有することを特徴とする乳房断層撮影装置を提供するものである。 The present invention includes a gantry having for this purpose, the front plate having a breast insertion opening is provided to the breast is inserted, a breast insertion portion continuous to the breast insertion opening, and
Is arranged on the inner part of the gantry, and the X-ray generation tube having an X-ray emitting section,
Is arranged on the inner part of the gantry, and the X-ray detector facing the X-ray emitting section between the breast insertion portion,
About the axis of rotation passing through the breast insertion portion, anda rotary drive unit for rotating in synchronization with the X-ray generating tube and the X-ray detector,
A breast tomography apparatus that irradiates X- rays from the X- ray emission part to the X- ray detector via the breast insertion part,
Has an X-ray shielding section of annular provided before SL front plate surrounds the periphery of the breast insertion portion,
The X-ray detector, there is provided a breast tomography apparatus characterized by having a portion overlapping with the X-ray shielding section in a radial direction perpendicular to the rotating shaft.

Claims (12)

乳房が挿入される乳房挿入口が設けられた前面板と、前記乳房挿入口に連なる乳房挿入部と、を有するガントリと、
前記ガントリの内部に配置され、Ｘ線放出部を有するＸ線発生管と、
前記ガントリの内部に配置され、前記乳房挿入部を間において前記Ｘ線放出部と対向するＸ線検出器と、
前記乳房挿入部を通る回転軸の周りに、前記Ｘ線発生管及び前記Ｘ線検出器を同期させて回転させる回転駆動部と、を有し、
前記Ｘ線放出部から前記乳房挿入部を介して前記Ｘ線検出器へ向けてＸ線を照射する乳房断層撮影装置であって、
前記乳房挿入部の周囲を囲んで前記前面板に備えられた環状のＸ線遮蔽部を有し、
前記Ｘ線検出器が、前記回転軸に直交する径方向において前記Ｘ線遮蔽部と重なる部分を有することを特徴とする乳房断層撮影装置。 A gantry having a front plate breast insertion opening is provided to the breast is inserted, a breast insertion portion continuous to the breast insertion opening, and
Is arranged on the inner part of the gantry, and the X-ray generation tube having an X-ray emitting section,
Is arranged on the inner part of the gantry, and the X-ray detector facing the X-ray emitting section between the breast insertion portion,
About the axis of rotation passing through the breast insertion portion, anda rotary drive unit for rotating in synchronization with the X-ray generating tube and the X-ray detector,
A breast tomography apparatus that irradiates X- rays from the X- ray emission part to the X- ray detector via the breast insertion part,
Has an X-ray shielding section of annular provided before SL front plate surrounds the periphery of the breast insertion portion,
The X-ray detector, breast tomography apparatus characterized by having a portion overlapping with the X-ray shielding section in a radial direction perpendicular to the rotating shaft. 前記Ｘ線検出器は、複数のＸ線検出素子を有しＸ線を検出可能な検出エリアと、前記検出エリアの周縁に位置しＸ線が検出されない非検出エリアと、を有しており、前記Ｘ線検出器の前記Ｘ線遮蔽部と重なる部分は前記非検出エリアであることを特徴とする請求項１に記載の乳房断層撮影装置。 The X- ray detector includes a detection area having a plurality of X-ray detection elements and capable of detecting X-rays, and a non-detection area where the X-rays are not detected and are located at the periphery of the detection area , breast tomography apparatus according to claim 1, wherein the portion overlapping the X-ray shielding portions of the front Symbol X-ray detector, characterized in that said non-detection area. 前記Ｘ線遮蔽部は、前記回転軸方向に厚さを有する肉厚部を有し、前記肉厚部において前記Ｘ線検出器と重なる部分を有することを特徴とする請求項１又は２に記載の乳房断層撮影装置。The said X-ray shielding part has a thick part which has thickness in the said rotating shaft direction, and has a part which overlaps with the said X-ray detector in the said thick part. Breast tomography equipment. 前記Ｘ線遮蔽部は、前記前面板の内周側に位置する内周Ｘ線遮蔽部と、隙間を介して前記内周Ｘ線遮蔽部の外側に位置する外周Ｘ線遮蔽部とを有し、前記隙間内において、前記Ｘ線検出器は前記Ｘ線遮蔽部と重なることを特徴とする請求項１乃至３のいずれか１項に記載の乳房断層撮影装置。 The X-ray blocking portion has an inner peripheral X-ray shielding portion located on the inner peripheral side of the front plate, an outer peripheral X-ray shielding portion located outside of the inner peripheral X-ray shielding portion through the gap , within the gap, the X-ray detector breast tomography apparatus according to any one of claims 1 to 3, characterized in that overlaps the X-ray shielding portion. 前記Ｘ線放出部から前記乳房挿入部へのＸ線照射領域と接する前記隙間に位置し、前記回転軸の周りを前記Ｘ線検出器と同期して同方向に回転するＸ線副遮蔽部を有することを特徴とする請求項請求項４に記載の乳房断層撮影装置。 Located in the gap before Symbol X-ray emitting portion in contact with the X-ray irradiation region to the breast insertion portion, X-rays rotates around the rotation shaft in synchronization with the same direction as the X-ray detector sub shielding portion breast tomography apparatus according to claim claim 4, characterized in that it comprises a. 前記Ｘ線副遮蔽部は、前記乳房挿入口を間において前記Ｘ線検出器と反対側に位置することを特徴とする請求項５に記載の乳房断層撮影装置。The breast tomography apparatus according to claim 5, wherein the X-ray sub-shielding unit is located on the opposite side of the X-ray detector with the breast insertion opening interposed therebetween. 前記Ｘ線遮蔽部の外周縁と前記前面板の外周縁との間に隙間が設けられ、前記隙間内において、前記Ｘ線検出器は前記Ｘ線遮蔽部と重なることを特徴とする請求項１乃至３のいずれか１項に記載の乳房断層撮影装置。 Wherein the inter-gap is provided between the outer peripheral edge and the outer peripheral edge of the front SL front plate of the X-ray shielding portion, in said gap, said X-ray detector, characterized in that overlaps the X-ray shielding portion Item 4. The breast tomography apparatus according to any one of Items 1 to 3 . 前記Ｘ線放出部から見て、前記Ｘ線遮蔽部が前記Ｘ線検出器の手前に重なる部分を有することを特徴とする請求項１乃至３のいずれか１項に記載の乳房断層撮影装置。4. The mammography apparatus according to claim 1, wherein the X-ray shielding unit has a portion that overlaps in front of the X-ray detector when viewed from the X-ray emission unit. 5. 前記Ｘ線放出部から見て、前記Ｘ線検出器が前記Ｘ線遮蔽部の手前に重なる部分を有することを特徴とする請求項１乃至３、８のいずれか１項に記載の乳房断層撮影装置。9. The mammographic tomography according to claim 1, wherein the X-ray detector has a portion overlapping in front of the X-ray shielding portion when viewed from the X-ray emission portion. apparatus. 前記Ｘ線検出器は、前記前面板と対向する側の端部において前記Ｘ線遮蔽部と重なることを特徴とする請求項１乃至９のいずれか一項に記載の乳房断層撮影装置。The breast tomography apparatus according to claim 1, wherein the X-ray detector overlaps with the X-ray shielding portion at an end portion on a side facing the front plate. 前記Ｘ線検出器は、前記径方向において外側に凸に湾曲していることを特徴とする請求項１乃至１０のいずれか一項に記載の乳房断層撮影装置。 The X-ray detector, breast tomography apparatus according to any one of claims 1 to 10, characterized in that curved convexly outwardly in the radial direction. 前記Ｘ線検出器の曲率中心は、前記回転軸に重なって位置していることを特徴とする請求項１１に記載の乳房断層撮影装置。 The breast tomography apparatus according to claim 11 , wherein a center of curvature of the X- ray detector is positioned so as to overlap the rotation axis.
JP2013239625A 2013-11-20 2013-11-20 Breast tomography equipment Active JP6362320B2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2013239625A JP6362320B2 (en) 2013-11-20 2013-11-20 Breast tomography equipment
PCT/JP2014/005648 WO2015075897A1 (en) 2013-11-20 2014-11-11 Computed tomographic mammography apparatus
US15/023,639 US9968308B2 (en) 2013-11-20 2014-11-11 Computed tomographic mammography apparatus and computed tomographic apparatus for breast

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2013239625A JP6362320B2 (en) 2013-11-20 2013-11-20 Breast tomography equipment

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JP2015097692A JP2015097692A (en) 2015-05-28
JP2015097692A5 true JP2015097692A5 (en) 2017-01-05
JP6362320B2 JP6362320B2 (en) 2018-07-25

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2018149201A (en) * 2017-03-14 2018-09-27 キヤノン株式会社 Radiation imaging apparatus
JP6656199B2 (en) * 2017-03-30 2020-03-04 富士フイルム株式会社 Mammography equipment

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* Cited by examiner, † Cited by third party
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US6748044B2 (en) * 2002-09-13 2004-06-08 Ge Medical Systems Global Technology Company, Llc Computer assisted analysis of tomographic mammography data
US7492858B2 (en) * 2005-05-20 2009-02-17 Varian Medical Systems, Inc. System and method for imaging and treatment of tumorous tissue in breasts using computed tomography and radiotherapy
JP4857070B2 (en) * 2006-10-11 2012-01-18 キヤノン株式会社 Mammography X-ray CT system
JP2010075338A (en) * 2008-09-25 2010-04-08 Fujifilm Corp Mammography and therapy apparatus equipped with x-ray therapy function
CA2755076C (en) * 2009-04-29 2016-07-05 Xcounter Ab Computed tomography scanning system

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