JP2017532101A - 血管内流れ及び圧力データのデジタル処理を提供するセンサインターフェースデバイス - Google Patents
血管内流れ及び圧力データのデジタル処理を提供するセンサインターフェースデバイス Download PDFInfo
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Classifications
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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
- A61B8/06—Measuring blood flow
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
- A61B5/6846—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be brought in contact with an internal body part, i.e. invasive
- A61B5/6847—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be brought in contact with an internal body part, i.e. invasive mounted on an invasive device
- A61B5/6851—Guide wires
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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
- A61B8/0891—Detecting organic movements or changes, e.g. tumours, cysts, swellings for diagnosis of blood vessels
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- A—HUMAN NECESSITIES
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- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/12—Diagnosis using ultrasonic, sonic or infrasonic waves in body cavities or body tracts, e.g. by using catheters
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- A—HUMAN NECESSITIES
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- A—HUMAN NECESSITIES
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- A61B8/46—Ultrasonic, sonic or infrasonic diagnostic devices with special arrangements for interfacing with the operator or the patient
- A61B8/461—Displaying means of special interest
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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
- A61B8/488—Diagnostic techniques involving Doppler signals
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- A—HUMAN NECESSITIES
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- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- 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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- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
- A61B5/6846—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be brought in contact with an internal body part, i.e. invasive
- A61B5/6847—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be brought in contact with an internal body part, i.e. invasive mounted on an invasive device
- A61B5/6852—Catheters
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Abstract
Description
S(t)=I(t)cos(2πfct)−Q(t)sin(2πfct)
Claims (16)
- 血管内デバイスから受信したアナログ流れセンサデータを処理するように動作可能な患者インターフェースモジュールを含む医療診断システムであって、前記患者インターフェースモジュールは、
デジタル流れセンサデータを生成するために直交サンプリングレートに従って前記アナログ流れセンサデータをサンプリングするように動作可能なアナログ−デジタル変換器と、
ベースバンド流れセンサデータを生成するために前記デジタル流れセンサデータに対してベースバンド変換を実施するように動作可能な信号処理手段と、
前記ベースバンド流れセンサデータを出力するように動作可能なインターフェースサブユニットと
を含む、医療診断システム。 - 前記アナログ流れセンサデータが、脈管内の流体流れ速度の測定値を含む、請求項1に記載の医療診断システム。
- 前記直交サンプリングレートが、式:
- 搬送周波数が、前記アナログ流れセンサデータを入手するために使用された超音波変換器の前記公称中心周波数と等しくなるように選択される、請求項3に記載の医療診断システム。
- Nが、前記直交サンプリングレートが少なくとも前記アナログ流れセンサデータのナイキストレートとなるように選択される、請求項3に記載の医療診断システム。
- 前記信号処理手段が、前記デジタル流れセンサデータに対して前記ベースバンド変換を実施するように動作可能な加重累算器を含む、請求項1に記載の医療診断システム。
- 前記加重累算器が、さらに、
同相成分を生成するために前記デジタル流れセンサデータに対して同相信号混合を実施し、
直交成分を生成するために前記デジタル流れセンサデータに対して直交信号混合を実施し、
前記同相成分及び前記直交成分に対して補間及び低域フィルタリングを実施する
ように動作可能である、請求項6に記載の医療診断システム。 - 前記加重累算器が、同相加重累算器及び直交累算器を含む、請求項6に記載の医療診断システム。
- 前記血管内デバイスの遠位端に配置された流体流れセンサを含む前記血管内デバイスをさらに含み、前記流体流れセンサが、前記アナログ流れセンサデータを前記患者インターフェースモジュールに提供するように動作可能である、請求項1に記載の医療診断システム。
- 前記ベースバンド流れセンサデータに基づき流体流れボリュームの測定値を入手するように、及びユーザディスプレイ上に流体流れボリュームの前記測定値を表示するように動作可能な処理システムをさらに含む、請求項1に記載の医療診断システム。
- 前記アナログ流れセンサデータと他の受信されたアナログセンサデータとを分離するように動作可能な信号分離器をさらに含む、請求項1に記載の医療診断システム。
- 流体流れの測定値を含むアナログセンサデータを受信することと、
前記アナログセンサデータを入手する際に使用された超音波変換器の中心周波数に対応する直交サンプリングレートを用いて、デジタルセンサデータを入手するために前記アナログセンサデータをデジタル化することと、
デジタルベースバンドセンサデータを入手するために計算処理システムを用いて前記デジタルセンサデータのベースバンド変換を実施することと、
診断評価における使用のために、ディスプレイに、前記デジタルベースバンドセンサデータに基づき流体流れの測定値の表現を出力することと
を含む、診断方法。 - 前記直交サンプリングレートが、式:
- 前記直交サンプリングレートが、前記超音波変換器の前記中心周波数の4倍に等しい、請求項12に記載の方法。
- 前記ベースバンド変換を実施することが第1及び第2の一連の係数を少なくとも1つの加重累算器に供給することを含み、前記第1及び第2の一連の係数は、
同相成分を入手するために前記デジタルセンサデータを信号cos(2πfct)と混合し、ここで、fcは前記中心周波数に実質的に等しく、
直交成分を入手するために前記デジタルセンサデータを信号sin(2πfct)と混合し、ここで、fcは前記中心周波数に実質的に等しく、
前記同相成分及び前記直交成分を低域フィルタリングするように選択される、請求項12に記載の方法。 - 前記第1及び第2の一連の係数が、さらに、サンプル及び保持プロセス並びにクラッタフィルタリングのうちの少なくとも1つを実施するように選択される、請求項15に記載の方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201462049205P | 2014-09-11 | 2014-09-11 | |
US62/049,205 | 2014-09-11 | ||
PCT/IB2015/056528 WO2016038496A1 (en) | 2014-09-11 | 2015-08-28 | Sensor interface device providing digital processing of intravascular flow and pressure data |
Publications (3)
Publication Number | Publication Date |
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JP2017532101A true JP2017532101A (ja) | 2017-11-02 |
JP2017532101A5 JP2017532101A5 (ja) | 2018-10-04 |
JP6546273B2 JP6546273B2 (ja) | 2019-07-17 |
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JP2017513471A Active JP6546273B2 (ja) | 2014-09-11 | 2015-08-28 | 血管内流れ及び圧力データのデジタル処理を提供するセンサインターフェースデバイス |
Country Status (5)
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US (2) | US20160074005A1 (ja) |
EP (2) | EP3190974B1 (ja) |
JP (1) | JP6546273B2 (ja) |
CN (1) | CN106687047B (ja) |
WO (1) | WO2016038496A1 (ja) |
Families Citing this family (8)
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US9131683B2 (en) | 2011-09-30 | 2015-09-15 | The Sherwin-Williams Company | High quality antimicrobial paint composition |
EP2944061A4 (en) | 2013-01-14 | 2016-09-07 | Commscope Technologies Llc | SCANNER SYSTEM FOR CHARACTERIZING DIGITAL DATA IN A TELECOMMUNICATIONS SYSTEM |
US10608919B2 (en) * | 2016-02-19 | 2020-03-31 | Commscope Technologies Llc | Passive intermodulation (PIM) testing in distributed base transceiver station architecture |
US10609582B2 (en) | 2016-09-08 | 2020-03-31 | Commscope Technologies Llc | Interference detection and identification in wireless network from RF or digitized signal |
EP3537984B1 (en) * | 2016-11-11 | 2024-01-10 | Koninklijke Philips N.V. | A wireless intraluminal imaging device and associated devices, systems, and methods |
WO2019076968A1 (en) * | 2017-10-19 | 2019-04-25 | Koninklijke Philips N.V. | DIGITAL ROTARY PATIENT INTERFACE MODULE |
KR20200131289A (ko) * | 2018-06-05 | 2020-11-23 | 카즈오 타니 | 혈류량 측정 시스템 |
EP3849417A1 (en) * | 2018-09-10 | 2021-07-21 | The Regents Of The University Of Michigan | Self-inflating anorectal expulsion device |
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- 2015-08-28 EP EP15772019.4A patent/EP3190974B1/en active Active
- 2015-08-28 EP EP24160849.6A patent/EP4368118A3/en active Pending
- 2015-08-28 JP JP2017513471A patent/JP6546273B2/ja active Active
- 2015-08-28 WO PCT/IB2015/056528 patent/WO2016038496A1/en active Application Filing
- 2015-08-28 CN CN201580048707.2A patent/CN106687047B/zh active Active
- 2015-09-10 US US14/850,656 patent/US20160074005A1/en not_active Abandoned
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US20190307416A1 (en) | 2019-10-10 |
EP4368118A2 (en) | 2024-05-15 |
US20160074005A1 (en) | 2016-03-17 |
EP4368118A3 (en) | 2024-07-24 |
CN106687047A (zh) | 2017-05-17 |
CN106687047B (zh) | 2020-06-23 |
WO2016038496A1 (en) | 2016-03-17 |
JP6546273B2 (ja) | 2019-07-17 |
EP3190974A1 (en) | 2017-07-19 |
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