JP5020631B2 - オープン末梢血管コイル及び末梢血管イメージングを行う方法 - Google Patents
オープン末梢血管コイル及び末梢血管イメージングを行う方法 Download PDFInfo
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- JP5020631B2 JP5020631B2 JP2006517720A JP2006517720A JP5020631B2 JP 5020631 B2 JP5020631 B2 JP 5020631B2 JP 2006517720 A JP2006517720 A JP 2006517720A JP 2006517720 A JP2006517720 A JP 2006517720A JP 5020631 B2 JP5020631 B2 JP 5020631B2
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- 238000003384 imaging method Methods 0.000 title claims description 44
- 238000000034 method Methods 0.000 title claims description 11
- 230000002093 peripheral effect Effects 0.000 title claims description 11
- 230000002792 vascular Effects 0.000 title claims description 10
- 238000002595 magnetic resonance imaging Methods 0.000 claims description 28
- 210000005259 peripheral blood Anatomy 0.000 claims description 5
- 239000011886 peripheral blood Substances 0.000 claims description 5
- 210000003371 toe Anatomy 0.000 description 28
- 230000005284 excitation Effects 0.000 description 8
- 238000005481 NMR spectroscopy Methods 0.000 description 7
- 230000007246 mechanism Effects 0.000 description 5
- 208000018262 Peripheral vascular disease Diseases 0.000 description 4
- 238000003491 array Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 239000004020 conductor Substances 0.000 description 3
- 238000007689 inspection Methods 0.000 description 3
- 210000003141 lower extremity Anatomy 0.000 description 3
- 230000035945 sensitivity Effects 0.000 description 3
- 230000003068 static effect Effects 0.000 description 3
- 230000001133 acceleration Effects 0.000 description 2
- 210000001367 artery Anatomy 0.000 description 2
- 239000002872 contrast media Substances 0.000 description 2
- 238000013480 data collection Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000001939 inductive effect Effects 0.000 description 2
- 210000004197 pelvis Anatomy 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 210000001519 tissue Anatomy 0.000 description 2
- 210000001364 upper extremity Anatomy 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 208000030831 Peripheral arterial occlusive disease Diseases 0.000 description 1
- 238000002266 amputation Methods 0.000 description 1
- 238000002583 angiography Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000017531 blood circulation Effects 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 229940039231 contrast media Drugs 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 239000003989 dielectric material Substances 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 210000004872 soft tissue Anatomy 0.000 description 1
- 230000002966 stenotic effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 210000005166 vasculature Anatomy 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
- G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
- G01R33/32—Excitation or detection systems, e.g. using radio frequency signals
- G01R33/34—Constructional details, e.g. resonators, specially adapted to MR
- G01R33/341—Constructional details, e.g. resonators, specially adapted to MR comprising surface coils
- G01R33/3415—Constructional details, e.g. resonators, specially adapted to MR comprising surface coils comprising arrays of sub-coils, i.e. phased-array coils with flexible receiver channels
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- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
Description
水平システムにおいて、静磁場(Bo)は、被検体が横たわる状態で人体と平行である方向に発生される。オープン・システムにおいて、静磁場は、横たわっている人体と直交する方向に発生される。オープンMRIシステムにより、より体格の大きな個人を撮像することが可能となり、これら体格の大きな個人のMRI末梢血管検査を行うことを含む。しかしながら、公知のオープンMRIシステムは、PV検査を行うことはできない。更に、全身コイルをPV検査用に使用することができるが、こうした検査から得られる画像の分解能は許容できないことが多く、これにより、例えば適正な診断が不可能になる。
52 主コイルベース
54 第1の上部コイルセクション
56 第2の上部コイルセクション
58 第3の上部コイルセクション
60 つま先セクション
100 ハウジング
Claims (7)
- 末梢血管コイル(50)を有して末梢血管イメージングを行うオープン磁気共鳴イメージング・システムにおいて、
前記末梢血管コイル(50)が、
複数のコイル素子を有するベースコイルセクション(52)と、
各々が複数のコイル素子を有する複数のコイルセクション、
とを具備し、
前記複数のコイルセクションの各々は、
前記ベースコイルセクション(52)に取り外し自在に取り付けられるように構成され、また、
不均一な逆回転コイル素子と共回転2巻きソレノイド・コイル素子とサドル・コイル素子の少なくとも1つを含み、
前記ベースコイルセクション及び複数のコイルセクションが、共に複数のイメージングステーション(92,94,96,98)を形成し、
前記複数のイメージング・ステーションの少なくとも3つが、不均一な逆回転アレイで構成されるコイル素子(62,70,78)を備えることを特徴とするオープン磁気共鳴イメージング・システム。 - 前記複数のイメージングステーションの各々が、2つのサドル・コイル素子を含む請求項1に記載のオープン磁気共鳴イメージング・システム。
- 前記複数のイメージングステーションは、
(i)後ベースセクション(52)、
(ii)複数の前セクション(54,56,58)、
(iii)つま先セクション(60)により形成され、
前記複数の前セクション(54,56,58)の各々と前記つま先セクションとが前記後ベースセクション(52)に取り外し自在に取り付けられていることを特徴とする請求項1に記載のオープン磁気共鳴イメージング・システム。 - 前記複数のイメージングステーション(92,94,96,98)の各々が、少なくとも1つの前サドル・コイル(66,74,82,88)及び1つの後サドル・コイル(68,76,84,90)を含む請求項3に記載のオープン磁気共鳴イメージング・システム。
- オープン磁気共鳴イメージング・システムを用いて末梢血管イメージングを行なう方法であって、
コイルセクションを取り外し自在に取り付けて前記複数のイメージング・ステーションを形成するための接続システムを準備する段階と、
前記複数のイメージングステーションを、各々のステーションが、不均一な逆回転コイル素子と共回転2巻きソレノイド・コイル素子とサドル・コイル素子のうちの少なくとも1つの素子を有するように、構成する段階、
とを含み、更に2方向におけるSENSEイメージングを行うように前記複数のイメージング・ステーションを構成する段階を含む方法。 - 前記複数のイメージング・ステーションのうちの3つ(92,94,96)が2つのサドル・コイル素子及び2つのソレノイド・コイル素子を含み、
前記複数のイメージング・ステーションのうちの1つ(98)が2つのサドル・コイル素子及び1つのソレノイド・コイル素子を含むことを特徴とする請求項5の方法。 - 前記複数のイメージング・ステーションが、少なくとも1つのベースセクション(52)、1つのつま先セクション(60)、及び複数の上部セクション(54,56,58)を含む請求項5または6に記載の方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US48373103P | 2003-06-30 | 2003-06-30 | |
US60/483,731 | 2003-06-30 | ||
PCT/US2004/020653 WO2005006007A1 (en) | 2003-06-30 | 2004-06-28 | Open peripheral vascular coil and method of providing peripheral vascular imaging |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2007524465A JP2007524465A (ja) | 2007-08-30 |
JP5020631B2 true JP5020631B2 (ja) | 2012-09-05 |
Family
ID=34061984
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006517720A Expired - Lifetime JP5020631B2 (ja) | 2003-06-30 | 2004-06-28 | オープン末梢血管コイル及び末梢血管イメージングを行う方法 |
Country Status (5)
Country | Link |
---|---|
US (1) | US7327142B2 (ja) |
EP (1) | EP1658512A1 (ja) |
JP (1) | JP5020631B2 (ja) |
CN (1) | CN1802571B (ja) |
WO (1) | WO2005006007A1 (ja) |
Families Citing this family (12)
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US20040147832A1 (en) * | 2002-03-27 | 2004-07-29 | Kenneth Fishbein | Lever coil sensor for respiratory and cardiac motion |
US7348778B2 (en) * | 2005-05-13 | 2008-03-25 | General Electric Company | System and apparatus for a high resolution peripheral vascular coil array |
JP5063107B2 (ja) * | 2006-12-28 | 2012-10-31 | 株式会社日立製作所 | 磁気共鳴検査装置 |
US7733559B2 (en) * | 2006-12-28 | 2010-06-08 | Seiko Epson Corporation | Electrophoretic display sheet, electrophoretic display device, and electronic apparatus |
DE102007023028B4 (de) * | 2007-05-16 | 2009-03-05 | Siemens Ag | Anordnung zur Fixierung von Spulen |
JP5174399B2 (ja) * | 2007-08-22 | 2013-04-03 | 株式会社日立メディコ | 磁気共鳴イメージング装置 |
JP2012505709A (ja) * | 2008-10-14 | 2012-03-08 | メイヨ フォンデーシヨン フォー メディカル エジュケーション アンド リサーチ | 移動テーブルmri装置及び方法 |
US8026721B2 (en) * | 2009-02-25 | 2011-09-27 | Siemens Aktiengesellschaft | Remote body arrays for high-performance magnetic resonance imaging and spectroscopy |
DE102009036939A1 (de) * | 2009-08-11 | 2011-02-24 | Siemens Aktiengesellschaft | Kopfspule für ein Magnetresonanztomographiegerät mit wechselbaren Bedienelementen |
CN101672904B (zh) * | 2009-09-14 | 2012-09-05 | 东南大学 | 用于便携式核磁共振血管检测装置的探头 |
DE102010020153A1 (de) * | 2010-05-11 | 2011-11-17 | Siemens Aktiengesellschaft | Kombinierbare mehrteilige Oberflächenspule für Magnetresonanztomographie |
CN102288928B (zh) * | 2011-08-03 | 2013-08-21 | 深圳市特深电气有限公司 | 用于核磁共振成像***的射频线圈装置 |
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2004
- 2004-06-28 WO PCT/US2004/020653 patent/WO2005006007A1/en active Application Filing
- 2004-06-28 CN CN200480015714.4A patent/CN1802571B/zh not_active Expired - Lifetime
- 2004-06-28 EP EP04777171A patent/EP1658512A1/en not_active Ceased
- 2004-06-28 JP JP2006517720A patent/JP5020631B2/ja not_active Expired - Lifetime
- 2004-06-28 US US10/878,275 patent/US7327142B2/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
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US7327142B2 (en) | 2008-02-05 |
CN1802571B (zh) | 2011-06-29 |
EP1658512A1 (en) | 2006-05-24 |
JP2007524465A (ja) | 2007-08-30 |
US20050030022A1 (en) | 2005-02-10 |
CN1802571A (zh) | 2006-07-12 |
WO2005006007A1 (en) | 2005-01-20 |
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