JP2019181279A - 磁気プローブシステム及びその使用方法 - Google Patents
磁気プローブシステム及びその使用方法 Download PDFInfo
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- JP2019181279A JP2019181279A JP2019142707A JP2019142707A JP2019181279A JP 2019181279 A JP2019181279 A JP 2019181279A JP 2019142707 A JP2019142707 A JP 2019142707A JP 2019142707 A JP2019142707 A JP 2019142707A JP 2019181279 A JP2019181279 A JP 2019181279A
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- 239000000523 sample Substances 0.000 title claims abstract description 155
- 238000000034 method Methods 0.000 title description 18
- 238000003384 imaging method Methods 0.000 claims abstract description 123
- 238000002604 ultrasonography Methods 0.000 claims abstract description 11
- 239000002122 magnetic nanoparticle Substances 0.000 claims description 12
- 230000008859 change Effects 0.000 claims description 10
- 230000004044 response Effects 0.000 claims description 9
- 239000006249 magnetic particle Substances 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims 1
- 239000002105 nanoparticle Substances 0.000 description 38
- 238000006073 displacement reaction Methods 0.000 description 23
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 10
- 238000004458 analytical method Methods 0.000 description 10
- 239000000463 material Substances 0.000 description 8
- 238000001514 detection method Methods 0.000 description 6
- 239000000126 substance Substances 0.000 description 6
- 230000008901 benefit Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000005284 excitation Effects 0.000 description 4
- 238000012285 ultrasound imaging Methods 0.000 description 4
- 241001465754 Metazoa Species 0.000 description 3
- 239000012491 analyte Substances 0.000 description 3
- 238000012512 characterization method Methods 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 206010028980 Neoplasm Diseases 0.000 description 2
- 210000003484 anatomy Anatomy 0.000 description 2
- 238000013459 approach Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000001356 surgical procedure Methods 0.000 description 2
- 239000013076 target substance Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 201000011510 cancer Diseases 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
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- 230000007812 deficiency Effects 0.000 description 1
- 239000002961 echo contrast media Substances 0.000 description 1
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- 239000010419 fine particle Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- WTFXARWRTYJXII-UHFFFAOYSA-N iron(2+);iron(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[O-2].[Fe+2].[Fe+3].[Fe+3] WTFXARWRTYJXII-UHFFFAOYSA-N 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229940031182 nanoparticles iron oxide Drugs 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/48—Diagnostic techniques
- A61B8/481—Diagnostic techniques involving the use of contrast agent, e.g. microbubbles introduced into the bloodstream
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/05—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves
- A61B5/0515—Magnetic particle imaging
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/42—Details of probe positioning or probe attachment to the patient
- A61B8/4209—Details of probe positioning or probe attachment to the patient by using holders, e.g. positioning frames
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/44—Constructional features of the ultrasonic, sonic or infrasonic diagnostic device
- A61B8/4444—Constructional features of the ultrasonic, sonic or infrasonic diagnostic device related to the probe
- A61B8/4455—Features of the external shape of the probe, e.g. ergonomic aspects
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/44—Constructional features of the ultrasonic, sonic or infrasonic diagnostic device
- A61B8/4483—Constructional features of the ultrasonic, sonic or infrasonic diagnostic device characterised by features of the ultrasound transducer
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/54—Control of the diagnostic device
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- Life Sciences & Earth Sciences (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Medical Informatics (AREA)
- Surgery (AREA)
- Pathology (AREA)
- Radiology & Medical Imaging (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Physics & Mathematics (AREA)
- Molecular Biology (AREA)
- Biophysics (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Hematology (AREA)
- Gynecology & Obstetrics (AREA)
- Ultra Sonic Daignosis Equipment (AREA)
Abstract
Description
Claims (8)
- 可動プローブ(301)と、
前記プローブ上に配置された磁石(302,303)と、
超音波信号の送受信によって、撮像面(304)において組織を撮像するための超音波トランスデューサ(315)と
を備え、
前記磁石は、前記プローブが前記超音波トランスデューサに隣接する近位第1位置(305)に配置されている場合、前記超音波トランスデューサ及び前記プローブの遠位端側において、前記超音波トランスデューサの前記撮像面(304)に時間的に変化する磁場(T)を発生させるように配置され、
前記プローブは、磁性粒子が前記撮像面(304)のさまざまな領域で異なる方向に変位することにより前記撮像面の異なる領域をプローブするために、前記超音波トランスデューサに対してさまざまな位置に自由に配置することができるように移動可能である、磁気撮像・プローブシステム。 - 前記プローブは、手持ち式プローブのように、前記超音波トランスデューサに対して移動可能である、請求項1に記載の磁気撮像・プローブシステム。
- 前記磁石は、前記プローブ上に移動可能に配置されており、それによって、使用時、前記磁石は、前記超音波トランスデューサに対する前記磁石の移動に応じて、前記時間的に変化する磁場(T)を生成するように配置される、請求項1又は2に記載の磁気撮像・プローブシステム。
- 前記磁石は、振動により、前記撮像面内の対象位置(110)に対して移動可能であり、それにより前記時間的に変化する磁場(T)を生成する、請求項3に記載の磁気撮像・プローブシステム。
- 制御部(111)と、
前記制御部及び前記磁石に接続され、前記磁石の前記移動に動力を供給するモータ(112)と
を備え、
前記制御部は、所定のパターンに応じて、前記磁石の移動速度(w1,w2)を変化させるように構成され、それによって、前記時間的に変化する磁場(T)の周波数を所定の周波数インパルスとして変化させ、前記対象位置に磁性ナノ粒子の周波数インパルス応答を生成する、及び/又は、
前記制御部は、前記磁石の一定移動速度(w1,w2)を設定するように構成されてい
る、
請求項3に記載の磁気撮像・プローブシステム。 - 可動プローブ(301)と、超音波信号の送受信によって、組織を撮像するための超音波トランスデューサ(315)と、前記プローブ上に配置された磁石(302,303)とを備え、前記プローブは前記超音波トランスデューサに対してさまざまな位置に自由に配置することができるように移動可能である、プローブシステムを用いた磁気撮像方法(400)であって、
前記プローブを前記超音波トランスデューサに隣接する近位第1位置(305)に配置する工程(401)と、
前記磁石によって、前記超音波トランスデューサ及び前記プローブの遠位端側において、前記超音波トランスデューサの撮像面(104)に時間的に変化する磁場(T)を発生させる工程(402)と、
前記撮像面内において、前記超音波トランスデューサにより、前記時間的に変化する磁場に応じた磁性ナノ粒子の動きを検出する工程(403)と、
磁性粒子が前記撮像面(304)のさまざまな領域で異なる方向に変位することにより、前記撮像面の異なる領域をプローブする工程と
を備える、プローブシステムを用いた磁気撮像方法。 - 前記時間的に変化する磁場(T)を発生させる工程は、
前記磁石を前記超音波トランスデューサに対して移動させる工程(404)
を備える、請求項6に記載のプローブシステムを用いた磁気撮像方法。 - 前記磁石を移動させる工程は、
前記磁石を、振動により、前記撮像面内の対象位置(110)に対して移動させ、それにより前記時間的に変化する磁場(T)を生成する工程(405)
を備える、請求項7に記載のプローブシステムを用いた磁気撮像方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP13166681.0 | 2013-05-06 | ||
EP13166681.0A EP2801323B1 (en) | 2013-05-06 | 2013-05-06 | Magnetomotive probe assembly and method of use thereof |
Related Parent Applications (1)
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JP2016512346A Division JP2016516559A (ja) | 2013-05-06 | 2014-05-06 | 磁気プローブシステム及びその使用方法 |
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JP2019181279A true JP2019181279A (ja) | 2019-10-24 |
JP6875469B2 JP6875469B2 (ja) | 2021-05-26 |
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JP2019142707A Active JP6875469B2 (ja) | 2013-05-06 | 2019-08-02 | 磁気プローブシステム及びその使用方法 |
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Country Status (7)
Country | Link |
---|---|
US (2) | US20160058420A1 (ja) |
EP (3) | EP2801323B1 (ja) |
JP (2) | JP2016516559A (ja) |
KR (1) | KR102320812B1 (ja) |
CN (1) | CN105246414A (ja) |
CA (1) | CA2911289C (ja) |
WO (1) | WO2014180854A1 (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107049252A (zh) * | 2017-03-29 | 2017-08-18 | 华北电力大学(保定) | 一种生物磁光声联合内窥成像方法 |
CN110261309B (zh) * | 2019-07-02 | 2021-09-28 | 东北大学秦皇岛分校 | 一种磁动式光学相干层析成像系统及其磁场调制方法 |
EP3964137A1 (en) | 2020-09-04 | 2022-03-09 | NanoEcho AB | Magnetomotive probe |
US11893734B1 (en) * | 2022-11-23 | 2024-02-06 | Maurice Nessim | System and method for an artificial intelligence driven image acquisition system |
Family Cites Families (20)
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US5844140A (en) * | 1996-08-27 | 1998-12-01 | Seale; Joseph B. | Ultrasound beam alignment servo |
JPH1112390A (ja) | 1997-06-26 | 1999-01-19 | Nippon Refine Kk | 樹脂含有有機溶剤溶液から有機溶剤と樹脂を分離回収する方法および装置 |
JPH11123190A (ja) * | 1997-10-22 | 1999-05-11 | Ge Yokogawa Medical Systems Ltd | 外部励起ラベリング手段を併用する音響映像装置 |
US5919139A (en) | 1997-12-19 | 1999-07-06 | Diasonics Ultrasound | Vibrational doppler ultrasonic imaging |
US6198956B1 (en) * | 1999-09-30 | 2001-03-06 | Oti Ophthalmic Technologies Inc. | High speed sector scanning apparatus having digital electronic control |
CA2457376C (en) | 2003-10-14 | 2015-09-15 | The University Of British Columbia | Method for imaging the mechanical properties of tissue |
WO2005072855A1 (en) * | 2004-01-28 | 2005-08-11 | Drexel University | Magnetic fluid manipulators and methods for their use |
US7320249B2 (en) * | 2004-09-16 | 2008-01-22 | The Boeing Company | Magnetically attracted inspecting apparatus and method using a fluid bearing |
US7228741B2 (en) * | 2004-09-16 | 2007-06-12 | The Boeing Company | Alignment compensator for magnetically attracted inspecting apparatus and method |
US7395714B2 (en) * | 2004-09-16 | 2008-07-08 | The Boeing Company | Magnetically attracted inspecting apparatus and method using a ball bearing |
US8454511B2 (en) | 2005-05-27 | 2013-06-04 | Board Of Regents, The University Of Texas System | Magneto-motive ultrasound detection of magnetic nanoparticles |
US8036732B2 (en) | 2006-10-18 | 2011-10-11 | Board Of Regents, The University Of Texas System | Hemoglobin contrast in magneto-motive optical doppler tomography, optical coherence tomography, and ultrasound imaging methods and apparatus |
JP2007105351A (ja) * | 2005-10-17 | 2007-04-26 | Kri Inc | 磁性流体検出装置 |
CN101652185A (zh) * | 2007-02-07 | 2010-02-17 | 皇家飞利浦电子股份有限公司 | 用于分离磁性粒子的装置 |
US7751057B2 (en) * | 2008-01-18 | 2010-07-06 | The Board Of Trustees Of The University Of Illinois | Magnetomotive optical coherence tomography |
EP2223719A1 (en) | 2009-02-27 | 2010-09-01 | Koninklijke Philips Electronics N.V. | Therapeutic apparatus for treating a subject using magnetic nanoparticles |
BR112012010126A2 (pt) * | 2009-11-02 | 2016-12-06 | Pulse Therapeutics Inc | sistemas de tratamento de obstrução de fluído, terapêuticos e de aumento do fluxo de fluído em sistema circulatório e métodos de aumento do fluxo de fluído em sistema circulatório e da difusão de droga em sistema circulatório e respectivos usos. |
WO2012160541A2 (en) * | 2011-05-25 | 2012-11-29 | Orcasonix Ltd. | Ultrasound imaging system and method |
US9883878B2 (en) * | 2012-05-15 | 2018-02-06 | Pulse Therapeutics, Inc. | Magnetic-based systems and methods for manipulation of magnetic particles |
US20140257104A1 (en) * | 2013-03-05 | 2014-09-11 | Ezono Ag | Method and system for ultrasound imaging |
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2013
- 2013-05-06 EP EP13166681.0A patent/EP2801323B1/en active Active
-
2014
- 2014-05-06 CN CN201480025362.4A patent/CN105246414A/zh active Pending
- 2014-05-06 EP EP14721879.6A patent/EP2996562B1/en active Active
- 2014-05-06 CA CA2911289A patent/CA2911289C/en active Active
- 2014-05-06 EP EP21192721.5A patent/EP3970622A1/en active Pending
- 2014-05-06 WO PCT/EP2014/059248 patent/WO2014180854A1/en active Application Filing
- 2014-05-06 US US14/888,404 patent/US20160058420A1/en not_active Abandoned
- 2014-05-06 JP JP2016512346A patent/JP2016516559A/ja active Pending
- 2014-05-06 KR KR1020157034710A patent/KR102320812B1/ko active IP Right Grant
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- 2019-03-19 US US16/358,462 patent/US11850097B2/en active Active
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Publication number | Publication date |
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CA2911289A1 (en) | 2014-11-13 |
US20190209135A1 (en) | 2019-07-11 |
US11850097B2 (en) | 2023-12-26 |
KR20160009622A (ko) | 2016-01-26 |
EP2801323A1 (en) | 2014-11-12 |
CN105246414A (zh) | 2016-01-13 |
EP2996562B1 (en) | 2021-08-25 |
EP2996562A1 (en) | 2016-03-23 |
US20160058420A1 (en) | 2016-03-03 |
JP2016516559A (ja) | 2016-06-09 |
EP3970622A1 (en) | 2022-03-23 |
KR102320812B1 (ko) | 2021-11-03 |
WO2014180854A1 (en) | 2014-11-13 |
EP2801323B1 (en) | 2021-09-01 |
CA2911289C (en) | 2023-09-05 |
JP6875469B2 (ja) | 2021-05-26 |
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