JP6368774B2 - アイソセンタとの画像化システム回転構成部品の整列 - Google Patents
アイソセンタとの画像化システム回転構成部品の整列 Download PDFInfo
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- JP6368774B2 JP6368774B2 JP2016512448A JP2016512448A JP6368774B2 JP 6368774 B2 JP6368774 B2 JP 6368774B2 JP 2016512448 A JP2016512448 A JP 2016512448A JP 2016512448 A JP2016512448 A JP 2016512448A JP 6368774 B2 JP6368774 B2 JP 6368774B2
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- 238000003384 imaging method Methods 0.000 title claims description 70
- 238000001514 detection method Methods 0.000 claims description 70
- 230000000295 complement effect Effects 0.000 claims description 31
- 230000005855 radiation Effects 0.000 claims description 22
- 238000000034 method Methods 0.000 claims description 7
- 238000002591 computed tomography Methods 0.000 description 6
- 238000013459 approach Methods 0.000 description 5
- 238000003754 machining Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000002730 additional effect Effects 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000002603 single-photon emission computed tomography Methods 0.000 description 1
- 238000003325 tomography Methods 0.000 description 1
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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
- A61B6/02—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
-
- 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
- A61B6/44—Constructional features of apparatus for radiation diagnosis
- A61B6/4429—Constructional features of apparatus for radiation diagnosis related to the mounting of source units and detector units
-
- 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
- A61B6/4429—Constructional features of apparatus for radiation diagnosis related to the mounting of source units and detector units
- A61B6/4435—Constructional features of apparatus for radiation diagnosis related to the mounting of source units and detector units the source unit and the detector unit being coupled by a rigid structure
-
- 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
- A61B6/58—Testing, adjusting or calibrating thereof
- A61B6/587—Alignment of source unit to detector unit
-
- 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
- F16C32/00—Bearings not otherwise provided for
- F16C32/06—Bearings not otherwise provided for with moving member supported by a fluid cushion formed, at least to a large extent, otherwise than by movement of the shaft, e.g. hydrostatic air-cushion bearings
- F16C32/0681—Construction or mounting aspects of hydrostatic bearings, for exclusively rotary movement, related to the direction of load
-
- 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
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
- F16C33/58—Raceways; Race rings
- F16C33/583—Details of specific parts of races
- F16C33/586—Details of specific parts of races outside the space between the races, e.g. end faces or bore of inner ring
-
- 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
- A61B6/4291—Arrangements for detecting radiation specially adapted for radiation diagnosis the detector being combined with a grid or grating
-
- 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
- F16C35/02—Rigid support of bearing units; Housings, e.g. caps, covers in the case of sliding-contact bearings
-
- 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
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- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Medical Informatics (AREA)
- Radiology & Medical Imaging (AREA)
- Molecular Biology (AREA)
- Biophysics (AREA)
- High Energy & Nuclear Physics (AREA)
- Veterinary Medicine (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Optics & Photonics (AREA)
- Pathology (AREA)
- Public Health (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Physics & Mathematics (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pulmonology (AREA)
- Theoretical Computer Science (AREA)
- Apparatus For Radiation Diagnosis (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
Description
Claims (19)
- 静止的な側と、少なくとも1つの整列構造を備える回転可能な側とを含む、アイソセンタを備える環状軸受と、
前記回転可能な側に機械的に連結される回転ガントリと、
前記回転可能な側の前記少なくとも1つの整列構造と相補的である少なくとも1つの相補的な整列構造を含む、撮像構成部品とを含み、
前記回転ガントリは、前記撮像構成部品と前記回転可能な側との間にあり、前記撮像構成部品は、前記少なくとも1つの整列構造及び前記少なくとも1つの相補的な整列構造を通じて、前記アイソセンタと整列させられる、
撮像システム。 - 前記撮像構成部品は、前記回転ガントリに機械的に固定されない、請求項1に記載の撮像システム。
- 前記撮像構成部品は、前記回転可能な側に機械的に固定される、請求項1に記載の撮像システム。
- 前記撮像構成部品は、前記少なくとも1つの整列構造を通じて固定される、請求項3に記載の撮像システム。
- 整列装置を更に含み、前記撮像構成部品は、前記整列装置を介して整列させられ且つ固定され、前記整列装置は、前記少なくとも1つの整列構造及び前記少なくとも1つの相補的な整列構造の両方と物理的に係合する、請求項4に記載の撮像システム。
- 前記整列装置は、ネジ又はボルトを含む、請求項5に記載の撮像システム。
- 整列装置を更に含み、該整列装置は、前記少なくとも1つの整列構造及び前記少なくとも1つの相補的な整列構造の両方を通じて延びて、前記回転ガントリ及び前記撮像構成部品を整列させる、請求項1に記載の撮像システム。
- 前記撮像構成部品は、前記回転ガントリに機械的に固定される、請求項7に記載の撮像システム。
- 前記整列装置は、前記少なくとも1つの整列構造及び前記少なくとも1つの相補的な整列構造内に留まり、前記撮像構成部品が回転フレームに機械的に固定された後に、前記回転ガントリ及び前記撮像構成部品を整列させる、請求項8に記載の撮像システム。
- 前記整列装置は、前記少なくとも1つの整列構造及び前記少なくとも1つの相補的な整列構造から取り外され、前記撮像構成部品が回転フレームに機械的に固定された後に、前記回転ガントリ及び前記撮像構成部品を整列させる、
請求項8に記載の撮像システム。 - 前記整列装置は、少なくとも2つのサブ整列装置を含む、請求項5に記載の撮像システム。
- 前記整列装置は、単一の整列装置を含む、請求項5に記載の撮像システム。
- 前記撮像構成部品は、検出システム、放射線源、及びコリメータのうちの少なくとも1つを含む、請求項1に記載の撮像システム。
- 前記整列構造は、前記相補的な整列構造が前記整列構造と整列された状態に維持されるときに、前記撮像構成部品が前記アイソセンタと整列された状態に維持され且つ並進及び回転することが抑制されるような、機械的ストップをもたらす、請求項1に記載の撮像システム。
- 撮像システムの少なくともサブ部分の少なくとも検出システムを前記少なくともサブ部分の環状軸受の回転部分のアイソセンタと整列させる方法であって、
前記サブ部分の少なくとも検出システムを前記サブ部分の環状軸受の回転部分と空間的に整列させ且つ共に回転させること、及び前記検出システムを前記回転部分のアイソセンタと空間的に整列させることを含み、
前記サブ部分の回転ガントリが前記検出システムと前記回転部分との間にあり、
前記検出システムが締結装置を通じて前記回転部分に固定されると、前記検出システムは前記アイソセンタと自動的に空間的に整列させられる、
方法。 - 前記検出システムは、前記回転ガントリに固定されない、請求項15に記載の方法。
- 前記検出システムは、前記回転ガントリにも固定される、請求項15に記載の方法。
- 前記回転ガントリは、前記検出システム及び前記回転部分の前記整列に影響を与えない、請求項15に記載の方法。
- 静止的な側と、少なくとも1つの整列構造を備える回転可能な側とを含む、アイソセンタを備える環状軸受と、
前記回転可能な側に機械的に連結される回転ガントリと、
前記回転可能な側の前記少なくとも1つの整列構造と相補的である少なくとも1つの相補的な整列構造を含む、撮像構成部品と、
整列装置とを含み、
前記回転ガントリは、前記撮像構成部品と前記回転可能な側との間にあり、前記撮像構成部品は、前記整列装置が前記少なくとも1つの整列構造及び前記少なくとも1つの相補的な整列構造の両方の内に同時に据え付けられるときに、前記アイソセンタと自動的に空間的に整列させられる、
撮像システム。
Applications Claiming Priority (3)
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US201361819837P | 2013-05-06 | 2013-05-06 | |
US61/819,837 | 2013-05-06 | ||
PCT/IB2014/060921 WO2014181207A1 (en) | 2013-05-06 | 2014-04-23 | Imaging system rotating component alignment with iso-center |
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JP2016517757A JP2016517757A (ja) | 2016-06-20 |
JP2016517757A5 JP2016517757A5 (ja) | 2018-01-11 |
JP6368774B2 true JP6368774B2 (ja) | 2018-08-01 |
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JP2016512448A Active JP6368774B2 (ja) | 2013-05-06 | 2014-04-23 | アイソセンタとの画像化システム回転構成部品の整列 |
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US (1) | US9848837B2 (ja) |
EP (1) | EP2994050B1 (ja) |
JP (1) | JP6368774B2 (ja) |
CN (1) | CN105188546B (ja) |
WO (1) | WO2014181207A1 (ja) |
Families Citing this family (3)
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 |
CN107874768B (zh) * | 2016-09-30 | 2021-02-05 | 通用电气公司 | 移动辐射成像系统及其对齐方法 |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
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NL8102616A (nl) | 1981-05-29 | 1982-12-16 | Philips Nv | Gammatomograaf met parallelogram ophanging. |
JPS58182712A (ja) * | 1982-04-20 | 1983-10-25 | Yokogawa Hokushin Electric Corp | パラメ−タ推定システム |
JPS58182712U (ja) * | 1982-05-31 | 1983-12-06 | 横河電機株式会社 | 断層撮影装置 |
EP0109206A3 (en) | 1982-11-15 | 1985-08-21 | Picker International, Inc. | Computed tomography detection method and apparatus |
US4709559A (en) * | 1985-08-01 | 1987-12-01 | Siemens Aktiengesellschaft | Cooling system for relatively movable components |
US5982844A (en) * | 1997-10-10 | 1999-11-09 | Analogic Corporation | Computed tomography scanner drive system and bearing |
US6337894B1 (en) | 2000-09-20 | 2002-01-08 | Analogic Corporation | Rotary bearing assembly for CT scanner gantry |
US6404845B1 (en) | 2001-05-09 | 2002-06-11 | Philips Medical Systems (Cleveland), Inc. | Aerostatic rotor bearing |
US6778637B2 (en) | 2002-09-20 | 2004-08-17 | Koninklijke Philips Electronics, N.V. | Method and apparatus for alignment of anti-scatter grids for computed tomography detector arrays |
JP2009101060A (ja) * | 2007-10-25 | 2009-05-14 | Ntn Corp | Ctスキャナ装置 |
DE112008002842T5 (de) * | 2007-10-25 | 2011-01-27 | NTN Corporation, Osaka-shi | Wälzlager |
CN101470086B (zh) * | 2007-12-29 | 2012-11-28 | 清华大学 | 探测器装置及具有该探测器装置的ct检查系统 |
RU2543494C2 (ru) | 2009-01-09 | 2015-03-10 | Конинклейке Филипс Электроникс Н.В. | Гентри для системы формирования изображения |
WO2010119850A1 (ja) * | 2009-04-16 | 2010-10-21 | 株式会社 日立メディコ | X線ct装置 |
US8270563B2 (en) | 2010-02-09 | 2012-09-18 | Aktiebolaget Skf | Diagnostic scanning apparatus |
DE102011081257B4 (de) | 2011-08-19 | 2013-04-04 | Siemens Aktiengesellschaft | Strahlentherapeutische Vorrichtung mit fest verbundener Therapieeinheit und Bildgebungseinheit |
JP5904731B2 (ja) * | 2011-08-26 | 2016-04-20 | 株式会社東芝 | X線ct装置の架台 |
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2014
- 2014-04-23 WO PCT/IB2014/060921 patent/WO2014181207A1/en active Application Filing
- 2014-04-23 EP EP14726009.5A patent/EP2994050B1/en active Active
- 2014-04-23 JP JP2016512448A patent/JP6368774B2/ja active Active
- 2014-04-23 CN CN201480025714.6A patent/CN105188546B/zh active Active
- 2014-04-23 US US14/888,948 patent/US9848837B2/en active Active
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Publication number | Publication date |
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EP2994050A1 (en) | 2016-03-16 |
US20160073973A1 (en) | 2016-03-17 |
CN105188546B (zh) | 2018-10-26 |
WO2014181207A1 (en) | 2014-11-13 |
CN105188546A (zh) | 2015-12-23 |
JP2016517757A (ja) | 2016-06-20 |
EP2994050B1 (en) | 2019-06-26 |
US9848837B2 (en) | 2017-12-26 |
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