JP5740547B2 - 頭蓋内の弾性を測定する方法 - Google Patents
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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
- A61B8/08—Detecting organic movements or changes, e.g. tumours, cysts, swellings
- A61B8/0808—Detecting organic movements or changes, e.g. tumours, cysts, swellings for diagnosis of the brain
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/13—Tomography
- A61B8/14—Echo-tomography
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/03—Detecting, measuring or recording fluid pressure within the body other than blood pressure, e.g. cerebral pressure; Measuring pressure in body tissues or organs
- A61B5/031—Intracranial pressure
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/40—Detecting, measuring or recording for evaluating the nervous system
- A61B5/4058—Detecting, measuring or recording for evaluating the nervous system for evaluating the central nervous system
- A61B5/4064—Evaluating the brain
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/08—Detecting organic movements or changes, e.g. tumours, cysts, swellings
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- A—HUMAN NECESSITIES
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- A—HUMAN NECESSITIES
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- A61B8/52—Devices using data or image processing specially adapted for diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/5215—Devices using data or image processing specially adapted for diagnosis using ultrasonic, sonic or infrasonic waves involving processing of medical diagnostic data
- A61B8/5223—Devices using data or image processing specially adapted for diagnosis using ultrasonic, sonic or infrasonic waves involving processing of medical diagnostic data for extracting a diagnostic or physiological parameter from medical diagnostic data
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- A—HUMAN NECESSITIES
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- A61B5/72—Signal processing specially adapted for physiological signals or for diagnostic purposes
- A61B5/7235—Details of waveform analysis
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- A61B5/7267—Classification of physiological signals or data, e.g. using neural networks, statistical classifiers, expert systems or fuzzy systems involving training the classification device
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Description
超音波パルスは、超音波プローブと垂直する経路にある頭蓋骨および軟組織から反射される。次いで、発生したエコーEG信号の一部分が選択され、エコーEG信号はエコーパルスグラフ(「EPG」)信号を発生させるために選択した部分にわたって積分される。しかし、‘743の特許の方法を使用してICPを決定するためには、操作者がEPGの一部分を手動で選択するか、または「門付け」(gate)し、次いで、どれが脳の目的部位について最適なEPG波形を提供しているかを決定するため、各門においてEPG波形を見直さなければならない。
これに応えてDSP4は、一連の超音波パルスを発生させるようにプローブ1に指示する。市販で入手できる超音波プローブが、本発明の方法およびシステムとともに使用されてよい(Advanced Transducer Services,Inc、[オンライン]、[2008年7月30日に検索]を参照されたい。インターネットから検索される<URL: www.atsultrasound.com/>)。超音波プローブ1は、少なくとも約1MHz、最大で約10MHzの周波数の超音波を送信できるべきである。
ICP=Σtanh(“ΣIxW+b”)W+b
であり、ここで、Iはエコーパルスグラフ21から35のうち選択した部分の全データポイントからなる入力行列を表し、Wは学習処理を通して取得される重み行列であり、bはコンピュータ6により割り当てられたランダム・バイアス定数である。
●BEGIN
○WHILE START=ON
■ADCからデジタル化されたエコーのサンプルを獲得する
■サンプルをファイルに保存する
■サンプルのグラフを描く
■正しい波を選択する(手動処理)
■波が正しい場合
●START=OFF(手動)
■END IF
○END WHILE
○ニューラルネットワークの入力数=306
○隠れたニューロン数=2
○Wl(2X306)=ランダム値
○W2(1X2)=ランダム値
■WHILE(誤差>0.001)
●非侵襲的ICP値=
W2*(TANH(W1*デジタル化されたエコー)))
●誤差=侵襲的ICP値−非侵襲的ICP値
●レーベンバーグ・マルカート法を使用して
WlおよびW2を算出する
●Wl=Wl+DWl
●W2=W2+DW2
■END WHILE
●END BEGIN
●BEGIN
○WHILE START=ON
■学習済みニューラルネットワークWlおよびW2をロードする
■ADCからデジタル化されたエコーのサンプルを取得する
■サンプルをファイルに保存する
■サンプルのグラフを描く
■正しい波を選択する(手動処理)
■波が正しい場合(手動による工程)
●非侵襲的ICP値=
W2*(TANH(W1*デジタル化されたエコー))
■END IF
■END WHILE
●END BEGIN
Claims (15)
- 哺乳類の身体内の組織の弾性を測定するための方法であって、
a、前記身体内の組織に、少なくとも1つの超音波パルスを送信するステップと、
b、前記送信した超音波パルスの反射信号を検出するステップと、
c、以下の数式を使用して前記組織の弾性を算出するステップとを含み、
Σtanh(“ΣIxW+b”)W+b
上記数式において、Iが前記反射信号に基づくデータポイントの入力行列であり、Wが調整用の重み行列であり、bが割り当てられたランダムバイアス定数である方法。 - 前記超音波パルスが、少なくとも1MHzの周波数を有する請求項1の方法。
- 前記超音波パルスが、少なくとも5MHzの周波数を有する請求項1の方法。
- 前記超音波パルスが、少なくとも10MHzの周波数を有する請求項1の方法。
- 少なくとも10の超音波パルスが前記身体内に送信される、請求項1の方法。
- 前記超音波パルスが、0から200ボルトの間の振幅を有する請求項1の方法。
- 前記超音波パルスが、14ビートの間、10メガ−サンプル/秒の速度で超音波受信器により受信される、請求項1の方法。
- 前記超音波パルスが、14ビートの間、1000メガ−サンプル/秒の速度で超音波受信器により受信される、請求項1の方法。
- 前記超音波パルスが、14ビートの間、1万メガ−サンプル/秒の速度で超音波受信器により受信される、請求項1の方法。
- 前記超音波パルスが、14ビートの間、10万メガ−サンプル/秒の速度で超音波受信器により受信される、請求項1の方法。
- 哺乳類の被験体の頭蓋内圧(「ICP」)を測定するための方法であって、
a、前記被験体の頭蓋の標的に少なくとも1つの超音波パルスを送信するステップと、
b、前記送信した超音波信号の反射信号を検出するステップと、
c、前記反射信号を使用し、以下の数式によって前記頭蓋内圧を算出するステップとを含み、
Σtanh(“ΣIxW+b”)W+b
上記数式において、Iが前記反射信号に基づくデータポイントの入力行列であり、Wが調整用の重み行列であり、bが割り当てられたランダムバイアス定数である方法。 - 前記標的が、前記被験体の頭蓋腔内にあるまたは隣接する少なくとも1つの半剛性または剛性の構造である、請求項11の方法。
- 前記標的が、前記頭蓋の後頭部分を含む請求項11の方法。
- 前記標的が、第3脳室を含む請求項11の方法。
- a、超音波プローブと、
b、前記超音波プローブに接続された超音波獲得システムと、
c、前記超音波獲得システムからの信号を受け取り取り、請求項1乃至14の何れか1項に記載の方法を実行するように構成されたマイクロプロセッサシステムと、を備える頭蓋内圧モニターシステム。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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US8482708P | 2008-07-30 | 2008-07-30 | |
US61/084,827 | 2008-07-30 | ||
PCT/US2009/052263 WO2010014815A1 (en) | 2008-07-30 | 2009-07-30 | Method for measuring intracranial elasticity |
Publications (2)
Publication Number | Publication Date |
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JP2011529744A JP2011529744A (ja) | 2011-12-15 |
JP5740547B2 true JP5740547B2 (ja) | 2015-06-24 |
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JP2011521326A Expired - Fee Related JP5740547B2 (ja) | 2008-07-30 | 2009-07-30 | 頭蓋内の弾性を測定する方法 |
Country Status (11)
Country | Link |
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US (2) | US9028416B2 (ja) |
EP (1) | EP2303137B1 (ja) |
JP (1) | JP5740547B2 (ja) |
KR (1) | KR20110036820A (ja) |
CN (1) | CN102112061B (ja) |
AU (1) | AU2009276486B2 (ja) |
BR (1) | BRPI0916409A2 (ja) |
CA (1) | CA2732411C (ja) |
IL (1) | IL210839A (ja) |
RU (1) | RU2011102338A (ja) |
WO (1) | WO2010014815A1 (ja) |
Families Citing this family (13)
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ITGE20110090A1 (it) * | 2011-08-10 | 2013-02-11 | Esaote Spa | Dispositivo e metodo per la misurazione di parametri di elasticita' di un corpo in esame mediante ultrasuoni |
CN103654760B (zh) * | 2012-09-10 | 2016-08-03 | 焦文华 | 无创颅内压测量方法及应用该方法的无创颅内压分析仪 |
CN103190930B (zh) * | 2013-04-19 | 2014-10-29 | 重庆大学 | 基于超声波声弹性效应的颅内压监测仪 |
EP4260803A3 (en) * | 2014-06-11 | 2024-01-17 | Nihon Kohden Corporation | Apparatus for detecting increase in intracranial pressure |
US10863910B2 (en) | 2015-05-29 | 2020-12-15 | Nisonic As | Method for detecting pulsatile dynamics of the optic nerve sheath, diagnostic methods, medical uses, non-invasive markers, systems and transducer devices |
WO2016205824A1 (en) | 2015-06-19 | 2016-12-22 | Neural Analytics, Inc. | Transcranial doppler probe |
US11589836B2 (en) | 2016-01-05 | 2023-02-28 | Novasignal Corp. | Systems and methods for detecting neurological conditions |
JP2019504670A (ja) | 2016-01-05 | 2019-02-21 | ニューラル アナリティクス、インコーポレイテッド | 臨床指標を決定するためのシステム及び方法 |
JP2019500155A (ja) | 2016-01-05 | 2019-01-10 | ニューラル アナリティクス、インコーポレイテッド | 一体型プローブ構造 |
CN106055853A (zh) * | 2016-07-29 | 2016-10-26 | 四川大学 | 无初值依赖和角度依赖的正交各向异性弹性系数反演方法 |
CN108241840A (zh) * | 2016-12-26 | 2018-07-03 | 河南农业大学 | 一种刺吸电位图谱(epg)波形自动识别方法 |
CN108986909B (zh) * | 2018-06-29 | 2020-06-12 | 清华大学 | 基于超声弹性成像的软组织弹性和粘弹性表征方法及装置 |
CN115861295A (zh) * | 2023-02-09 | 2023-03-28 | 南京左右脑医疗科技集团有限公司 | 大脑中线结构识别方法、装置和存储介质 |
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US5388583A (en) | 1993-09-01 | 1995-02-14 | Uab Vittamed | Method and apparatus for non-invasively deriving and indicating of dynamic characteristics of the human and animal intracranial media |
IL119623A0 (en) * | 1996-11-15 | 1997-02-18 | Inta Medics Ltd | Non-invasive real time diagnosis of migraine |
US6231509B1 (en) | 1997-12-05 | 2001-05-15 | Royce Johnson | Apparatus and method for monitoring intracranial pressure |
US6475147B1 (en) * | 1999-01-27 | 2002-11-05 | The United States Of America As Represented By The United States National Aeronautics And Space Administration | Ultrasonic apparatus and technique to measure changes in intracranial pressure |
JP2003521284A (ja) * | 1999-05-10 | 2003-07-15 | インタ−メディクス リミテッド | 頭蓋内圧の非侵襲性モニタリング |
US6702743B2 (en) * | 2000-05-26 | 2004-03-09 | Inta-Medics, Ltd. | Ultrasound apparatus and method for tissue resonance analysis |
US6328694B1 (en) * | 2000-05-26 | 2001-12-11 | Inta-Medics, Ltd | Ultrasound apparatus and method for tissue resonance analysis |
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AU2002239360A1 (en) | 2000-11-28 | 2002-06-11 | Allez Physionix Limited | Systems and methods for making non-invasive physiological assessments |
DE60329617D1 (de) * | 2002-10-18 | 2009-11-19 | Global Monitors Inc | Dichte/solut-monitor von multimodalitäten und signalverarbeitungsschema |
EP1633234A4 (en) * | 2003-06-03 | 2009-05-13 | Physiosonics Inc | SYSTEMS AND METHODS FOR DETERMINING INTRACRANIAL FA NON-INVASIVE PRESSURE AND ACOUSTIC TRANSDUCER ASSEMBLIES FOR USE THEREIN |
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AU2009276486B2 (en) | 2015-08-06 |
EP2303137B1 (en) | 2015-09-09 |
CN102112061A (zh) | 2011-06-29 |
IL210839A0 (en) | 2011-04-28 |
CN102112061B (zh) | 2014-06-18 |
US9028416B2 (en) | 2015-05-12 |
US20120136249A1 (en) | 2012-05-31 |
RU2011102338A (ru) | 2012-09-10 |
KR20110036820A (ko) | 2011-04-11 |
US9724068B2 (en) | 2017-08-08 |
CA2732411C (en) | 2017-02-28 |
CA2732411A1 (en) | 2010-02-04 |
WO2010014815A1 (en) | 2010-02-04 |
IL210839A (en) | 2017-08-31 |
JP2011529744A (ja) | 2011-12-15 |
US20160095574A1 (en) | 2016-04-07 |
AU2009276486A1 (en) | 2010-02-04 |
BRPI0916409A2 (pt) | 2016-02-16 |
EP2303137A1 (en) | 2011-04-06 |
EP2303137A4 (en) | 2012-09-12 |
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