JP6717374B2 - 血圧計 - Google Patents
血圧計 Download PDFInfo
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- JP6717374B2 JP6717374B2 JP2018512685A JP2018512685A JP6717374B2 JP 6717374 B2 JP6717374 B2 JP 6717374B2 JP 2018512685 A JP2018512685 A JP 2018512685A JP 2018512685 A JP2018512685 A JP 2018512685A JP 6717374 B2 JP6717374 B2 JP 6717374B2
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- 238000009530 blood pressure measurement Methods 0.000 claims description 41
- 230000036772 blood pressure Effects 0.000 claims description 30
- 238000005259 measurement Methods 0.000 claims description 21
- 238000001514 detection method Methods 0.000 claims description 18
- 210000001367 artery Anatomy 0.000 claims description 8
- 238000000034 method Methods 0.000 description 28
- 230000005540 biological transmission Effects 0.000 description 11
- 238000010586 diagram Methods 0.000 description 11
- 230000004872 arterial blood pressure Effects 0.000 description 4
- 239000012530 fluid Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 229920003002 synthetic resin Polymers 0.000 description 3
- 239000000057 synthetic resin Substances 0.000 description 3
- 238000005401 electroluminescence Methods 0.000 description 2
- 238000012935 Averaging Methods 0.000 description 1
- 206010005746 Blood pressure fluctuation Diseases 0.000 description 1
- 102000001554 Hemoglobins Human genes 0.000 description 1
- 108010054147 Hemoglobins Proteins 0.000 description 1
- 210000004204 blood vessel Anatomy 0.000 description 1
- 238000004590 computer program Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
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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
-
- 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
- A61B5/02—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
- A61B5/0225—Measuring pressure in heart or blood vessels by applying pressure to close blood vessels, e.g. against the skin; Ophthalmodynamometers the pressure being controlled by electric signals, e.g. derived from Korotkoff sounds
-
- 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
- A61B5/0235—Valves specially adapted therefor
-
- 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
- A61B5/024—Detecting, measuring or recording pulse rate or heart rate
- A61B5/02416—Detecting, measuring or recording pulse rate or heart rate using photoplethysmograph signals, e.g. generated by infrared radiation
- A61B5/02422—Detecting, measuring or recording pulse rate or heart rate using photoplethysmograph signals, e.g. generated by infrared radiation within occluders
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/145—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue
- A61B5/1455—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue using optical sensors, e.g. spectral photometrical oximeters
- A61B5/14551—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue using optical sensors, e.g. spectral photometrical oximeters for measuring blood gases
-
- 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
- A61B2562/04—Arrangements of multiple sensors of the same type
-
- 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
- A61B5/02141—Details of apparatus construction, e.g. pump units or housings therefor, cuff pressurising systems, arrangements of fluid conduits or circuits
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Cardiology (AREA)
- Vascular Medicine (AREA)
- Physics & Mathematics (AREA)
- Biomedical Technology (AREA)
- Veterinary Medicine (AREA)
- Biophysics (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Public Health (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Physiology (AREA)
- Ophthalmology & Optometry (AREA)
- Dentistry (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Optics & Photonics (AREA)
- Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
Description
図1は、関連する血圧計の概略構成図である。図1において、信号の経路は一点鎖線で示される。
実施形態に係る容積補償法等の血圧計に於いてカフ圧制御を安価な汎用電磁バルブを用いてダイヤフラムポンプのリップルを含む高速圧力制御を実現するものである。実施形態に係る血圧計は、ポンプからカフの内部に圧入される空気の吐出量を調整する第1バルブと、カフの内部のカフ圧力を調整する第2バルブと、ポンプの吐出圧力を検出する第1圧力センサと、カフ圧力を検出する第2圧力センサとを有する。実施形態に係る血圧計は、第1バルブでポンプの吐出量を調整することで、ポンプの吐出量特性の変動を低減し、カフ圧が所望の圧力から乖離することを防止ができる。
図8は、血圧計1による血圧測定処理のフローチャートである。図8に示す血圧測定処理は、予め記憶部32に記憶されているプログラムに基づいて、主に処理部40により、血圧計1の各要素と協働して実行される。
血圧計1は、ポンプ11の吐出圧力を第1設定圧力の近傍で維持することにより定流量出力となる。第1バルブ13でポンプ11の吐出量を調整することで、ポンプが有するリップルに伴うポンプ11の吐出量の変動を低減し、第2バルブ23はカフ圧制御に専念出来る。すなわち、血圧計1では、被測定者の血圧を連続して測定するときに要求されるカフ圧力の高速制御が汎用電磁バルブを用いても実現可能とする。
11 ポンプ
12 カフ
13 第1バルブ
14 第1圧力センサ
15 ポンプ接続部材
16 第1カフ接続部材
17 第2カフ接続部材
18 光量検出センサ(動脈容積情報検出センサ)
23 第2バルブ
24 第2圧力センサ
30 制御装置
31 インタフェース部
32 記憶部
40 処理部
41 血圧測定指示判定部
42 バルブ開度調整部
43 血圧測定部
Claims (3)
- ポンプと、
被測定者の血圧測定部位に装着されたカフと、
前記ポンプと前記カフとの間に配置され、開度を調整することで前記ポンプの吐出量を調整可能な第1バルブと、
開度を調整することで前記カフの内部のカフ圧力を調整可能な第2バルブと、
前記ポンプの吐出圧力を検出する第1圧力センサと、
前記カフ圧力を検出する第2圧力センサと、
被測定者の前記血圧測定部位における動脈の容積に関連する動脈容積情報を検出する動脈容積情報検出センサと、
前記吐出圧力及び前記カフ圧力、並びに前記動脈容積情報を取得し、第1バルブ及び第2バルブの開度を調整するとバルブ開度調整部と、
前記カフ圧力に基づいて被測定者の血圧を測定する血圧測定部と、
内部に圧力室が形成されると共に、それぞれが外壁から前記圧力室まで貫通する第1貫通孔、第2貫通孔、第3貫通孔、及び第4貫通孔が形成された第1カフ接続部材と、
前記第1カフ接続部材と前記カフとを接続する第2カフ接続部材と、を有し、
前記第1貫通孔は前記第1バルブが挿入され、
前記第2貫通孔は前記第2カフ接続部材が挿入され、
前記第3貫通孔は前記第2バルブが挿入され、
前記第4貫通孔は前記第2圧力センサが挿入された血圧計。 - 前記バルブ開度調整部は、前記吐出圧力が第1設定圧力に一致するように前記第1バルブの開度を調整する第1バルブ開度調整部を有する、請求項1に記載の血圧計。
- 前記バルブ開度調整部は、
前記血圧測定部位における動脈の容積が一定になるように第2設定圧力を決定する第2設定圧力決定部と、
前記カフ圧力が第2設定圧力に一致するように前記第2バルブの開度を調整する第2バルブ開度調整部と、を更に有する、請求項2に記載の血圧計。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2016/062410 WO2017183112A1 (ja) | 2016-04-19 | 2016-04-19 | 血圧計 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2017183112A1 JPWO2017183112A1 (ja) | 2019-02-28 |
JP6717374B2 true JP6717374B2 (ja) | 2020-07-01 |
Family
ID=60115756
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2018512685A Active JP6717374B2 (ja) | 2016-04-19 | 2016-04-19 | 血圧計 |
Country Status (4)
Country | Link |
---|---|
US (1) | US11045097B2 (ja) |
EP (1) | EP3446627A4 (ja) |
JP (1) | JP6717374B2 (ja) |
WO (1) | WO2017183112A1 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI611103B (zh) * | 2016-02-03 | 2018-01-11 | 研能科技股份有限公司 | 適用於壓電致動泵浦之驅動電路之控制方法及其驅動電路 |
WO2024077254A1 (en) * | 2022-10-07 | 2024-04-11 | Edwards Lifesciences Corporation | Systems and methods for responsive damping of pressure |
Family Cites Families (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL8005145A (nl) | 1980-09-12 | 1982-04-01 | Tno | Inrichting voor de indirekte, niet-invasieve, continue meting van de bloeddruk. |
NL8104879A (nl) * | 1981-10-28 | 1983-05-16 | Tno | Werkwijze en inrichting voor het regelen van de manchetdruk bij het meten van de vingerbloeddruk met een foto-electrische plethysmograaf. |
NL8105381A (nl) * | 1981-11-27 | 1983-06-16 | Tno | Werkwijze en inrichting voor het corrigeren van de manchetdruk bij het meten van de bloeddruk in een lichaamsdeel met behulp van een plethysmograaf. |
JPS6141434A (ja) * | 1984-08-02 | 1986-02-27 | コーリン電子株式会社 | 非観血式連続血圧測定装置 |
JPS61119238A (ja) * | 1984-11-14 | 1986-06-06 | コーリン電子株式会社 | 血圧測定装置 |
JPS6329616A (ja) | 1986-07-23 | 1988-02-08 | 中根 央 | 連続的血圧測定装置 |
JPH01201231A (ja) * | 1988-02-05 | 1989-08-14 | Gakken Co Ltd | 光電容積脈波法による非侵襲的連続血圧測定装置 |
JPH0549605A (ja) | 1992-01-18 | 1993-03-02 | Colleen Denshi Kk | 非観血式連続血圧測定装置 |
JPH08332173A (ja) | 1995-06-07 | 1996-12-17 | Hioki Ee Corp | 非観血式血圧計による血圧測定方法 |
IL120881A (en) * | 1996-07-30 | 2002-09-12 | It M R Medic L Cm 1997 Ltd | Method and device for continuous and non-invasive monitoring of peripheral arterial tone |
AT408066B (de) | 1999-03-30 | 2001-08-27 | Juergen Dipl Ing Fortin | Kontinuierliches nicht-invasives blutdruckmessgerät |
CA2536479A1 (en) * | 2003-08-22 | 2005-03-03 | Eppcor, Inc. | Non-invasive blood pressure monitoring device and methods |
AT412702B (de) | 2003-10-21 | 2005-06-27 | Cnsystems Medizintechnik Gmbh | Vorrichtung und verfahren zur regelung des druckes in einer aufblasbaren manschette eines blutdruckmessgerätes |
US20110263992A1 (en) * | 2008-10-29 | 2011-10-27 | Ilja Guelen | blood pressure measurement device, a front end, an inflatable body and a computer program product |
EP2319408A1 (en) * | 2009-10-15 | 2011-05-11 | Finapres Medical Systems B.V. | Device for controlling the pressure in an inflatable pressure pad |
JP5864118B2 (ja) | 2011-03-29 | 2016-02-17 | フクダ電子株式会社 | 血圧計 |
JP2012210374A (ja) * | 2011-03-31 | 2012-11-01 | Omron Healthcare Co Ltd | 血圧情報測定装置用カフおよびこれを備えた血圧情報測定装置 |
EP2732759A1 (en) * | 2012-11-19 | 2014-05-21 | Jerusalem College of Technology | System and method of measurement of systolic blood pressure |
JP6327905B2 (ja) | 2014-03-28 | 2018-05-23 | テルモ株式会社 | 血圧計 |
US10945612B2 (en) * | 2014-04-03 | 2021-03-16 | The Regents Of The University Of California | Assessing endothelial function using a blood pressure cuff |
-
2016
- 2016-04-19 JP JP2018512685A patent/JP6717374B2/ja active Active
- 2016-04-19 WO PCT/JP2016/062410 patent/WO2017183112A1/ja active Application Filing
- 2016-04-19 EP EP16899386.3A patent/EP3446627A4/en not_active Withdrawn
-
2018
- 2018-09-21 US US16/138,586 patent/US11045097B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
US11045097B2 (en) | 2021-06-29 |
EP3446627A1 (en) | 2019-02-27 |
JPWO2017183112A1 (ja) | 2019-02-28 |
EP3446627A4 (en) | 2019-10-09 |
WO2017183112A1 (ja) | 2017-10-26 |
US20190014998A1 (en) | 2019-01-17 |
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