JPWO2016163093A1 - 血圧測定装置 - Google Patents
血圧測定装置 Download PDFInfo
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- JPWO2016163093A1 JPWO2016163093A1 JP2017511467A JP2017511467A JPWO2016163093A1 JP WO2016163093 A1 JPWO2016163093 A1 JP WO2016163093A1 JP 2017511467 A JP2017511467 A JP 2017511467A JP 2017511467 A JP2017511467 A JP 2017511467A JP WO2016163093 A1 JPWO2016163093 A1 JP WO2016163093A1
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- pressure measurement
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- pressure
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
- A61B5/021—Measuring pressure in heart or blood vessels
- A61B5/022—Measuring pressure in heart or blood vessels by applying pressure to close blood vessels, e.g. against the skin; Ophthalmodynamometers
- A61B5/02233—Occluders specially adapted therefor
- A61B5/02241—Occluders specially adapted therefor of small dimensions, e.g. adapted to fingers
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
- A61B5/021—Measuring pressure in heart or blood vessels
- A61B5/022—Measuring pressure in heart or blood vessels by applying pressure to close blood vessels, e.g. against the skin; Ophthalmodynamometers
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
- A61B5/02007—Evaluating blood vessel condition, e.g. elasticity, compliance
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/48—Other medical applications
- A61B5/4848—Monitoring or testing the effects of treatment, e.g. of medication
-
- 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
- A61B5/6801—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
- A61B5/683—Means for maintaining contact with the body
- A61B5/6831—Straps, bands or harnesses
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/72—Signal processing specially adapted for physiological signals or for diagnostic purposes
- A61B5/7271—Specific aspects of physiological measurement analysis
- A61B5/7278—Artificial waveform generation or derivation, e.g. synthesising signals from measured signals
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B2562/00—Details of sensors; Constructional details of sensor housings or probes; Accessories for sensors
- A61B2562/02—Details of sensors specially adapted for in-vivo measurements
- A61B2562/0261—Strain gauges
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Medical Informatics (AREA)
- Animal Behavior & Ethology (AREA)
- Physics & Mathematics (AREA)
- Veterinary Medicine (AREA)
- Biophysics (AREA)
- Pathology (AREA)
- Public Health (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- General Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Vascular Medicine (AREA)
- Cardiology (AREA)
- Physiology (AREA)
- Ophthalmology & Optometry (AREA)
- Dentistry (AREA)
- Artificial Intelligence (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Psychiatry (AREA)
- Signal Processing (AREA)
- Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
Abstract
Description
V(t)=α×P(t)+Vconst ・・・ (4)
式(4)の両辺をtで微分すると、式(5)となる。
ここでBSAは、患者の体表面積(m2)であり、以下に式(20)として示す藤本式により求めることができる。
HTは身長(cm)であり、BWは体重(kg)であり、CIは心係数である。患者の心係数CIの値は、正常人の心係数4.0L/min/m2と等しいと考えて差し支えない。これは、患者にたとえ心不全があっても、体内の水分量を増やし、交感神経系の緊張度を増して心係数を正常値に保つっているからである。そこで、患者の心拍出量は以下の式(21)で求められる。
心拍数をHRとすると、一回拍出量SV0(ml)は、以下の式(22)のように表すことができる。
これに式(19)及び式(20)を代入すると式(23)が得られる。
ここで、1回の心拍にかかる秒数をT2(sec)とすると、心拍数HRは、HR=60/T2と表すことができる。これを式(22)に代入すると、SVは1000×CO/(60/T2)となる。また、SV0は、1000×CO0/(60/T20)となる。これを式(18)に代入すると式(24)が得られる。
111 歪センサ本体
112 ケース
113 開口部
114 上部
115 下部
120 バンド
121 本体部
122 幅広部
123 保持部材
130 制御回路
132 駆動部
133 処理部
150 圧測定部
151 プラスチックカバー
152 ゲル状液袋
201 シャント血管
Claims (10)
- 圧測定部と、
前記圧測定部をシャント血管の吻合部を覆う皮膚の上に静止させて固定する固定具と、
前記圧測定部からの信号が入力され、入力された信号を処理してシャント血管の吻合部内の圧を算出する制御回路とを備える、血圧測定装置。 - 前記固定具が、前記圧測定部と該圧測定部とは反対側の皮膚表面との距離を、常に一定に保つ、請求項1に記載の血圧測定装置。
- 前記固定具が、シャント血管の前記吻合部が存在する部位において腕を取り巻く、非伸縮性のバンドである、請求項2に記載の血圧測定装置。
- 前記非伸縮性のバンドの前記圧測定部とは反対側の皮膚表面に接する部分の面積が、前記圧測定部と接する部分の面積よりも広い、請求項3に記載の血圧測定装置。
- 前記圧測定部が、平板状である、請求項1〜4のいずれか1項に記載の血圧測定装置。
- 前記圧測定部が、曲面状である、請求項1〜4のいずれか1項に記載の血圧測定装置。
- 前記圧測定部が、歪センサを含む、請求項1〜6のいずれか1項に記載の血圧測定装置。
- 前記制御回路が、前記圧測定部から入力される信号を連続的に処理して、前記吻合部内の圧の周期的な変化を連続波形として算出する、請求項1〜7のいずれか1項に記載の血圧測定装置。
- 前記制御回路が、前記連続波形の極大値から前記吻合部の最高圧を算出し、前記連続波形の極小値から前記吻合部の最低圧を算出する、請求項8に記載の血圧測定装置。
- 前記制御回路が、前記連続波形から心拍出量を算出する、請求項8又は9に記載の血圧測定装置。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2015079527 | 2015-04-08 | ||
JP2015079527 | 2015-04-08 | ||
PCT/JP2016/001697 WO2016163093A1 (ja) | 2015-04-08 | 2016-03-23 | 血圧測定装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2016163093A1 true JPWO2016163093A1 (ja) | 2018-02-01 |
JP6773028B2 JP6773028B2 (ja) | 2020-10-21 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2017511467A Active JP6773028B2 (ja) | 2015-04-08 | 2016-03-23 | 血圧測定装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US11241160B2 (ja) |
EP (1) | EP3269299B1 (ja) |
JP (1) | JP6773028B2 (ja) |
CN (1) | CN107708534B (ja) |
WO (1) | WO2016163093A1 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11730487B2 (en) * | 2019-08-29 | 2023-08-22 | Mohammad Reza Rajebi | Vascular hemostasis system |
Citations (9)
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JPH09294730A (ja) * | 1996-05-02 | 1997-11-18 | Hagiwara Denki Kk | シャント形成部位における振動検出センサ |
JPH11113862A (ja) * | 1997-10-08 | 1999-04-27 | Seiko Epson Corp | 心拍出量検出装置および心機能診断装置 |
JP2001087231A (ja) * | 1999-09-20 | 2001-04-03 | Matsushita Electric Ind Co Ltd | 血圧計 |
JP2002224064A (ja) * | 2001-02-02 | 2002-08-13 | Omron Corp | 圧脈波センサ |
JP2008012230A (ja) * | 2006-07-10 | 2008-01-24 | Omron Healthcare Co Ltd | 脈波出力装置およびプログラム |
JP2010110375A (ja) * | 2008-11-04 | 2010-05-20 | Omron Healthcare Co Ltd | 血圧情報測定装置 |
JP2010179054A (ja) * | 2009-02-09 | 2010-08-19 | Ideal Star Inc | 透析患者用プローブガーゼおよび透析患者用プローブガーゼの使用方法 |
JP2012152372A (ja) * | 2011-01-26 | 2012-08-16 | Omron Healthcare Co Ltd | 血圧測定装置および血圧測定方法 |
JP2013078579A (ja) * | 2011-09-30 | 2013-05-02 | Pulsion Medical Systems Se | 血行動態モニタリング装置 |
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2016
- 2016-03-23 WO PCT/JP2016/001697 patent/WO2016163093A1/ja active Application Filing
- 2016-03-23 US US15/564,527 patent/US11241160B2/en active Active
- 2016-03-23 CN CN201680020016.6A patent/CN107708534B/zh active Active
- 2016-03-23 JP JP2017511467A patent/JP6773028B2/ja active Active
- 2016-03-23 EP EP16776271.5A patent/EP3269299B1/en active Active
Patent Citations (9)
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JPH09294730A (ja) * | 1996-05-02 | 1997-11-18 | Hagiwara Denki Kk | シャント形成部位における振動検出センサ |
JPH11113862A (ja) * | 1997-10-08 | 1999-04-27 | Seiko Epson Corp | 心拍出量検出装置および心機能診断装置 |
JP2001087231A (ja) * | 1999-09-20 | 2001-04-03 | Matsushita Electric Ind Co Ltd | 血圧計 |
JP2002224064A (ja) * | 2001-02-02 | 2002-08-13 | Omron Corp | 圧脈波センサ |
JP2008012230A (ja) * | 2006-07-10 | 2008-01-24 | Omron Healthcare Co Ltd | 脈波出力装置およびプログラム |
JP2010110375A (ja) * | 2008-11-04 | 2010-05-20 | Omron Healthcare Co Ltd | 血圧情報測定装置 |
JP2010179054A (ja) * | 2009-02-09 | 2010-08-19 | Ideal Star Inc | 透析患者用プローブガーゼおよび透析患者用プローブガーゼの使用方法 |
JP2012152372A (ja) * | 2011-01-26 | 2012-08-16 | Omron Healthcare Co Ltd | 血圧測定装置および血圧測定方法 |
JP2013078579A (ja) * | 2011-09-30 | 2013-05-02 | Pulsion Medical Systems Se | 血行動態モニタリング装置 |
Also Published As
Publication number | Publication date |
---|---|
CN107708534B (zh) | 2021-04-30 |
EP3269299A1 (en) | 2018-01-17 |
CN107708534A (zh) | 2018-02-16 |
WO2016163093A1 (ja) | 2016-10-13 |
EP3269299B1 (en) | 2019-05-22 |
JP6773028B2 (ja) | 2020-10-21 |
US11241160B2 (en) | 2022-02-08 |
US20180070838A1 (en) | 2018-03-15 |
EP3269299A4 (en) | 2018-03-28 |
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