JP2013043056A - X線ct装置の架台 - Google Patents
X線ct装置の架台 Download PDFInfo
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- JP2013043056A JP2013043056A JP2011184828A JP2011184828A JP2013043056A JP 2013043056 A JP2013043056 A JP 2013043056A JP 2011184828 A JP2011184828 A JP 2011184828A JP 2011184828 A JP2011184828 A JP 2011184828A JP 2013043056 A JP2013043056 A JP 2013043056A
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- 230000002093 peripheral effect Effects 0.000 claims abstract description 12
- 230000005484 gravity Effects 0.000 claims description 7
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 10
- 238000003384 imaging method Methods 0.000 description 5
- 229910052742 iron Inorganic materials 0.000 description 5
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- 230000037431 insertion Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000005266 casting Methods 0.000 description 2
- 230000001678 irradiating effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
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- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000007730 finishing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05G—X-RAY TECHNIQUE
- H05G1/00—X-ray apparatus involving X-ray tubes; Circuits therefor
- H05G1/02—Constructional details
-
- 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]
- A61B6/032—Transmission computed tomography [CT]
- A61B6/035—Mechanical aspects of CT
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
- G01N23/02—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material
- G01N23/04—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and forming images of the material
- G01N23/046—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and forming images of the material using tomography, e.g. computed tomography [CT]
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- 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
- A61B6/44—Constructional features of apparatus for radiation diagnosis
- A61B6/4488—Means for cooling
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2226/00—Joining parts; Fastening; Assembling or mounting parts
- F16C2226/50—Positive connections
- F16C2226/60—Positive connections with threaded parts, e.g. bolt and nut connections
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2300/00—Application independent of particular apparatuses
- F16C2300/10—Application independent of particular apparatuses related to size
- F16C2300/14—Large applications, e.g. bearings having an inner diameter exceeding 500 mm
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2316/00—Apparatus in health or amusement
- F16C2316/10—Apparatus in health or amusement in medical appliances, e.g. in diagnosis, dentistry, instruments, prostheses, medical imaging appliances
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C35/00—Rigid support of bearing units; Housings, e.g. caps, covers
- F16C35/04—Rigid support of bearing units; Housings, e.g. caps, covers in the case of ball or roller bearings
- F16C35/06—Mounting or dismounting of ball or roller bearings; Fixing them onto shaft or in housing
- F16C35/067—Fixing them in a housing
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Abstract
【解決手段】X線CT装置の架台2は、メインフレーム3と、メインフレーム3に軸受4を介して回転可能に支持され、中心部に被検体Pを出し入れ可能な開口部6が形成され、この開口部6より外周側に複数の取付孔7aが形成された円板状のベースプレート5と、取付孔7aに挿入されベースプレート5に固定された複数の回転部ユニット9と、を備える。
【選択図】図1
Description
本発明の第1の実施形態を図1及び図2に基づいて説明する。図1に示すように、X線CT装置は、被検体Pを載置する寝台1と、寝台1に載置された被検体Pに対してX線を照射することにより被検体PのX線撮影を行う架台2と、寝台1の移動や架台2でのX線撮影の操作等を行う操作部(図示せず)とを備えている。寝台1は、架台2に対して接離する方向(矢印A方向)に移動可能に設けられている。
本発明の第2の実施形態を図3に基づいて説明する。なお、図1及び図2において説明した構成要素と同じ構成要素には同じ符号を付け、重複する説明は省略する。
3 メインフレーム
4 軸受
5 ベースプレート
6 開口部
7a、7b、7c、7d、7e、7f、7g 取付孔
8a、8b、8c、8d、8e、8f、8g 取付座プレート
9 X線管、回転部ユニット
10 X線検出器
15、16 発電機、回転部ユニット
17 回転部電源、回転部ユニット
18 回転側制御基板、回転部ユニット
19 バランス重り、回転部ユニット
20 クーラ、回転部ユニット
21 ベースプレート
21a、21b、21c 分割ベースプレート
P 被検体
Claims (10)
- メインフレームと、
前記メインフレームに軸受を介して回転可能に支持され、中心部に被検体を出し入れ可能な開口部が形成され、この開口部より外周側に複数の取付孔が形成された円板状のベースプレートと、
前記ベースプレートの前記取付孔に挿入されて前記ベースプレートに固定された複数の回転部ユニットと、
を備えることを特徴とするX線CT装置の架台。 - 前記取付孔に挿入されて固定され、前記回転部ユニットを前記取付孔に固定する取付座プレートを備えることを特徴とする請求項1記載のX線CT装置の架台。
- 前記回転部ユニットの重心が、前記ベースプレートの回転面内に位置していることを特徴とする請求項1又は2記載のX線CT装置の架台。
- 前記取付孔は、これらの取付孔に前記回転部ユニットが固定された場合の前記ベースプレートの重心位置が前記ベースプレートの回転中心と一致する位置に形成されていることを特徴とする請求項1ないし3のいずれか一項に記載のX線CT装置の架台。
- 前記回転部ユニットの一つはX線を照射するX線管であり、前記X線管は照射するX線が前記ベースプレートに当らない位置に固定されていることを特徴とする請求項1ないし4のいずれか一項に記載のX線CT装置の架台。
- 前記ベースプレートは一体に形成されていることを特徴とする請求項1ないし5のいずれか一項に記載のX線CT装置の架台。
- 前記ベースプレートは、複数に分割された分割ベースプレートを連結して形成されていることを特徴とする請求項1ないし5のいずれか一項に記載のX線CT装置の架台。
- 前記分割ベースプレートは、これらの分割ベースプレートに固定される前記回転部ユニットに応じて厚さ寸法が異なることを特徴する請求項7記載のX線CT装置の架台。
- 前記回転部ユニットの一つであるX線管と、前記開口部を挟んで前記X線管と対向する位置に配置されるX線検出器とは、同じ前記分割ベースプレートに固定されていることを特徴とする請求項7又は8記載のX線CT装置の架台。
- 前記X線管と前記X線検出器とが固定された前記分割ベースプレートは、他の前記分割ベースプレートより厚さ寸法が大きく形成されていることを特徴とする請求項9記載のX線CT装置の架台。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011184828A JP5904731B2 (ja) | 2011-08-26 | 2011-08-26 | X線ct装置の架台 |
PCT/JP2012/071439 WO2013031684A1 (ja) | 2011-08-26 | 2012-08-24 | X線ct装置の架台 |
CN201280022153.5A CN103517675B (zh) | 2011-08-26 | 2012-08-24 | X线ct装置的架台 |
US14/144,842 US9668330B2 (en) | 2011-08-26 | 2013-12-31 | Gantry of X-ray CT system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011184828A JP5904731B2 (ja) | 2011-08-26 | 2011-08-26 | X線ct装置の架台 |
Publications (2)
Publication Number | Publication Date |
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JP2013043056A true JP2013043056A (ja) | 2013-03-04 |
JP5904731B2 JP5904731B2 (ja) | 2016-04-20 |
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Application Number | Title | Priority Date | Filing Date |
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JP2011184828A Active JP5904731B2 (ja) | 2011-08-26 | 2011-08-26 | X線ct装置の架台 |
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US (1) | US9668330B2 (ja) |
JP (1) | JP5904731B2 (ja) |
CN (1) | CN103517675B (ja) |
WO (1) | WO2013031684A1 (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2014180416A (ja) * | 2013-03-19 | 2014-09-29 | Sumitomo Heavy Ind Ltd | 荷電粒子線治療装置 |
JP2016517757A (ja) * | 2013-05-06 | 2016-06-20 | コーニンクレッカ フィリップス エヌ ヴェKoninklijke Philips N.V. | アイソセンタとの画像化システム回転構成部品の整列 |
CN114382786A (zh) * | 2020-10-22 | 2022-04-22 | 同方威视技术股份有限公司 | 用于ct滑环轴承的支撑架 |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
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US10791999B2 (en) * | 2014-02-04 | 2020-10-06 | General Electric Company | Interface for gantry and component |
US9204850B2 (en) | 2014-02-04 | 2015-12-08 | General Electric Company | Gantry with secondary safety mechanism |
CA2968415C (en) * | 2014-11-21 | 2020-10-27 | Anton Petrus Maria Van Arendonk | Mammography detector with small chest distance |
US10143427B2 (en) * | 2016-01-27 | 2018-12-04 | General Electric Company | Segmented direct drive motor for use in a computed tomography system |
WO2020077907A1 (zh) * | 2018-10-16 | 2020-04-23 | 深圳市艾克瑞电气有限公司 | Ct仪 |
US11389126B2 (en) * | 2018-10-31 | 2022-07-19 | General Electric Company | Gantry housing, and medical apparatus |
DE102020212026A1 (de) | 2020-09-24 | 2022-03-24 | Siemens Healthcare Gmbh | Grundkörper einer Computer-Tomographie Trommel umfassend wenigstens zwei separat herstellbare Komponenten, Computer-Tomographie Trommel und Computer-Tomographie Gerät |
DE102021201160A1 (de) * | 2021-02-08 | 2022-08-11 | Siemens Healthcare Gmbh | Gantryrahmen für ein Computertomographiesystem |
CN114152637B (zh) * | 2022-02-07 | 2022-04-26 | 东莞市志橙半导体材料有限公司 | 一种硬质碳化硅材料打孔检测装置与方法 |
Citations (3)
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JP2007037873A (ja) * | 2005-08-05 | 2007-02-15 | Hitachi Medical Corp | X線ct装置 |
JP2009285146A (ja) * | 2008-05-29 | 2009-12-10 | Ge Medical Systems Global Technology Co Llc | X線ct装置 |
WO2010119850A1 (ja) * | 2009-04-16 | 2010-10-21 | 株式会社 日立メディコ | X線ct装置 |
Family Cites Families (9)
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JPH05168619A (ja) * | 1991-12-20 | 1993-07-02 | Shimadzu Corp | X線ct装置 |
JPH08279389A (ja) * | 1996-03-13 | 1996-10-22 | Ge Yokogawa Medical Syst Ltd | リングアセンブリの製造方法並びにリングアセンブリ及びx線断層撮影装置 |
US5982844A (en) * | 1997-10-10 | 1999-11-09 | Analogic Corporation | Computed tomography scanner drive system and bearing |
US6188743B1 (en) | 1997-10-10 | 2001-02-13 | Analogic Corporation | Computed tomography scanner drive system and bearing |
JP4406101B2 (ja) * | 1998-10-16 | 2010-01-27 | 株式会社東芝 | X線ct装置 |
US7281848B2 (en) * | 2005-08-17 | 2007-10-16 | General Electric Co. | X-ray tube mounting methodology |
CN101069644B (zh) * | 2006-05-12 | 2011-09-14 | 株式会社东芝 | X射线ct装置 |
JP2008173466A (ja) | 2006-12-22 | 2008-07-31 | Toshiba Corp | X線ct装置 |
KR101095518B1 (ko) * | 2010-06-29 | 2011-12-16 | 한국생산기술연구원 | 개폐모듈, 개폐모듈 제어 방법, 및 이를 이용한 이미징 장치 |
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2011
- 2011-08-26 JP JP2011184828A patent/JP5904731B2/ja active Active
-
2012
- 2012-08-24 WO PCT/JP2012/071439 patent/WO2013031684A1/ja active Application Filing
- 2012-08-24 CN CN201280022153.5A patent/CN103517675B/zh active Active
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2013
- 2013-12-31 US US14/144,842 patent/US9668330B2/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2007037873A (ja) * | 2005-08-05 | 2007-02-15 | Hitachi Medical Corp | X線ct装置 |
JP2009285146A (ja) * | 2008-05-29 | 2009-12-10 | Ge Medical Systems Global Technology Co Llc | X線ct装置 |
WO2010119850A1 (ja) * | 2009-04-16 | 2010-10-21 | 株式会社 日立メディコ | X線ct装置 |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2014180416A (ja) * | 2013-03-19 | 2014-09-29 | Sumitomo Heavy Ind Ltd | 荷電粒子線治療装置 |
JP2016517757A (ja) * | 2013-05-06 | 2016-06-20 | コーニンクレッカ フィリップス エヌ ヴェKoninklijke Philips N.V. | アイソセンタとの画像化システム回転構成部品の整列 |
CN114382786A (zh) * | 2020-10-22 | 2022-04-22 | 同方威视技术股份有限公司 | 用于ct滑环轴承的支撑架 |
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Publication number | Publication date |
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US20140119503A1 (en) | 2014-05-01 |
CN103517675B (zh) | 2016-09-07 |
CN103517675A (zh) | 2014-01-15 |
JP5904731B2 (ja) | 2016-04-20 |
US9668330B2 (en) | 2017-05-30 |
WO2013031684A1 (ja) | 2013-03-07 |
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