JPH06296591A - Electronic sphygmomanometer - Google Patents
Electronic sphygmomanometerInfo
- Publication number
- JPH06296591A JPH06296591A JP5085913A JP8591393A JPH06296591A JP H06296591 A JPH06296591 A JP H06296591A JP 5085913 A JP5085913 A JP 5085913A JP 8591393 A JP8591393 A JP 8591393A JP H06296591 A JPH06296591 A JP H06296591A
- Authority
- JP
- Japan
- Prior art keywords
- blood pressure
- pressure value
- sharpness
- finger
- max
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
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- Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】この発明は、例えば指基部を測定
部位として決定された最高血圧値を、別途算出する先鋭
度により上腕を測定部位とした場合に決定される最高血
圧値に補正し得る電子血圧計に関する。INDUSTRIAL APPLICABILITY The present invention can correct, for example, a systolic blood pressure value determined with a finger base as a measurement site to a systolic blood pressure value determined when the upper arm is used as a measurement site by a separately calculated sharpness. Regarding electronic blood pressure monitor.
【０００２】[0002]
【従来の技術】従来、指用電子血圧計では、最高血圧値
を決定する方式として、光電脈波方式と、圧脈波を用い
るオシロメトリック方式とがある。光電脈波方式では、
出現する第一脈波を検出し、その時のカフ圧を最高血圧
値とするものであり、オシロメトリック方式では最大脈
波振幅の所定相対的割合に対応する高カフ圧側の脈波の
発生点のカフ圧を最高血圧値とするものである。2. Description of the Related Art Conventionally, electronic finger sphygmomanometers include a photoelectric pulse wave method and an oscillometric method using a pressure pulse wave as a method for determining a systolic blood pressure value. In the photoelectric pulse wave method,
Detects the first pulse wave that appears, and uses the cuff pressure at that time as the systolic blood pressure value, and in the oscillometric method, the generation point of the pulse wave on the high cuff pressure side that corresponds to the predetermined relative ratio of the maximum pulse wave amplitude. The cuff pressure is used as the maximum blood pressure value.
【０００３】いずれの方式の場合も、測定部位、つまり
心臓から遠く離れた末梢部位である指部位の血圧は忠実
に捕らえることが出来る。In either method, the blood pressure at the measurement site, that is, the finger site, which is a peripheral site far away from the heart, can be accurately captured.
【０００４】[0004]
【発明が解決しようとする課題】一般に、指、或いは手
首のような心臓より遠く離れた末梢部位では、上腕等の
心臓に近い部位に比して、動脈内圧波形が先鋭になり、
またその変動も大きくなる。その要因は、生体の置かれ
ている環境、姿勢、動作、情動などによる。このため、
上腕では血圧が変化しない状態の時であっても、指等の
末梢部位の血圧は変化することがある。従って、指等の
末梢部位の血圧と心臓側の上腕部位の血圧に隔差が生じ
ている。Generally, in a peripheral region far away from the heart such as a finger or a wrist, the intra-arterial pressure waveform becomes sharper than in a region near the heart such as the upper arm,
Also, the fluctuation becomes large. The factor depends on the environment where the living body is placed, the posture, the movement, the emotion, and the like. For this reason,
Even when the blood pressure does not change in the upper arm, the blood pressure in peripheral parts such as fingers may change. Therefore, there is a difference between the blood pressure in the peripheral region such as the finger and the blood pressure in the upper arm region on the heart side.
【０００５】例えば、図５は上腕の動脈内圧波形を示
し、図６は指基部の動脈内圧波形を示している。上腕の
動脈内圧波形に比較して、指基部の動脈内圧波形は極め
て先鋭となっている。このため、脈波振幅列（脈波包絡
線）から見た場合、上腕の動脈内圧波形では平均血圧値
（Ａ点）に対し、最低血圧値（Ｂ点）及び最高血圧値
（Ｃ点）が、それぞれ１：２の関係にあるのに対し、指
基部の動脈内圧波形では平均血圧値（Ａ点）に対し最低
血圧値（Ｂ点）及び最高血圧値（Ｃ点）が、それぞれ
１：ｔの関係にある。つまり、例えば１：４或いは１：
５等の関係にある。従って、指基部を測定部位とした場
合、最高血圧値が上腕を測定部位とした場合より大きな
値となり、測定誤差が生じる虞れがある。For example, FIG. 5 shows an intra-arterial pressure waveform of the upper arm, and FIG. 6 shows an intra-arterial pressure waveform of the finger base. The waveform of the intra-arterial pressure at the base of the finger is extremely sharp compared to the waveform of the intra-arterial pressure at the upper arm. Therefore, when viewed from the pulse wave amplitude sequence (pulse wave envelope), the minimum blood pressure value (point B) and the maximum blood pressure value (point C) are different from the average blood pressure value (point A) in the brachial artery pressure waveform. , Respectively, whereas in the intra-arterial pressure waveform of the finger base, the minimum blood pressure value (point B) and the maximum blood pressure value (point C) are 1: t respectively with respect to the average blood pressure value (point A). Have a relationship. That is, for example, 1: 4 or 1:
It has a relationship of 5 mag. Therefore, when the finger base is used as the measurement site, the systolic blood pressure value becomes larger than that when the upper arm is used as the measurement site, and a measurement error may occur.
【０００６】この発明は、以上のような課題を解消さ
せ、心臓より遠く離れた指基部で測定した最高血圧値
を、心臓に近い上腕部位で測定した最高血圧値に補正す
ることが出来、誤差のない高精度な電子血圧計を提供す
ることを目的とする。The present invention solves the above problems and can correct the systolic blood pressure value measured at the finger base far away from the heart to the systolic blood pressure value measured at the upper arm region close to the heart. It is an object to provide a highly accurate electronic blood pressure monitor that does not have any noise.
【０００７】[0007]
【課題を解決するための手段及び作用】この目的を達成
させるために、この発明の電子血圧計では、次のような
構成としている。電子血圧計は、上腕より末梢の部位を
血圧測定部位とし、カフ圧及び脈波振幅データに、所定
のアルゴリズムを適用して血圧値を決定する血圧値決定
手段と、前記末梢測定部位の動脈内圧波形の特徴量であ
る圧波形の先鋭度を算出する先鋭度算出手段と、この先
鋭度算出手段により算出された先鋭度により、前記血圧
決定手段で決定された最高血圧値を、測定部位より心臓
側である上腕を測定部位とした最高血圧値に補正する最
高血圧値補正手段とから成ることを特徴としている。In order to achieve this object, the electronic sphygmomanometer of the present invention has the following configuration. The electronic sphygmomanometer has a blood pressure measurement site at a region peripheral to the upper arm, and a blood pressure value determining means for determining a blood pressure value by applying a predetermined algorithm to the cuff pressure and pulse wave amplitude data, and an intraarterial pressure at the peripheral measurement site. A sharpness calculation means for calculating the sharpness of the pressure waveform which is the characteristic amount of the waveform, and the highest blood pressure value determined by the blood pressure determination means by the sharpness calculated by this sharpness calculation means, from the measurement site to the heart. It is characterized by comprising a systolic blood pressure value correcting means for correcting the systolic blood pressure value with the upper arm on the side as a measurement site.
【０００８】このような構成を有する電子血圧計では、
動脈の内圧波形の先鋭度（先鋭度合い）が大きい指基部
を、血圧測定部位として血圧値を決定する。そして、指
動脈内圧波形の先鋭度を算出し、この先鋭度を適用し
て、既に算出した最高血圧値を補正する。つまり、先鋭
度合いの少ない上腕を測定部位とした場合の最高血圧値
に補正する。これにより、先鋭度が大きく、不安定な末
梢測定部位により得られた最高血圧値が、上腕で測定し
たと等価な最高血圧値とすることが出来る。In the electronic sphygmomanometer having such a structure,
The blood pressure value is determined with the finger base having a large sharpness (sharpness) of the internal pressure waveform of the artery as the blood pressure measurement site. Then, the sharpness of the waveform of the internal pressure of the finger artery is calculated, and this sharpness is applied to correct the already calculated systolic blood pressure value. That is, it is corrected to the systolic blood pressure value when the upper arm with a small sharpness is used as the measurement site. As a result, the systolic blood pressure value obtained from an unstable peripheral measurement site with a large sharpness can be taken as the systolic blood pressure value equivalent to that measured in the upper arm.
【０００９】指基部の動脈内圧波形の先鋭度（Ｆst）
は、（最高血圧値−最低血圧値）／（平均血圧値−最低
血圧値）で求められる。また、最高血圧値補正（Ｓ）
は、最低血圧値＋（最高血圧値−最低血圧値）×上腕先
鋭度／指先鋭度により算出される。The sharpness (F st ) of the intra-arterial pressure waveform at the base of the finger
Is calculated by (maximum blood pressure value-minimum blood pressure value) / (average blood pressure value-minimum blood pressure value). In addition, systolic blood pressure correction (S)
Is calculated by (minimum blood pressure value + (maximum blood pressure value−minimum blood pressure value) × brachial arm sharpness / finger tip sharpness).
【００１０】[0010]
【実施例】図３は、この発明に係る電子血圧計の空気系
及び回路構成例を示すブロック図である。実施例の指用
カフ１は、内周面に発光素子１ａと受光素子１ｂから成
る脈波検出用光電センサを備えている。この指用カフ１
に接続される空気チューブ２には、半導体圧力センサ
３、加圧ポンプ４、急速排気弁５及び微速排気弁６が配
備してある。加圧ポンプ４及び急速排気弁５は、後述す
るＭＰＵ（マイクロプロセッサユニット）７により、駆
動が制御される。半導体圧力センサ３は、カフ１内圧を
検出する。圧力センサ３の出力信号は、差動増幅器８で
増幅され、Ａ／Ｄ変換器９でデジタル値に変換される。
ＭＰＵ７は、圧力センサ３の出力信号を一定周期で取り
込む。前記発光素子１ａは、ＭＰＵ７の指令を受けて駆
動するＬＥＤ駆動回路１２を介して、指に対し光を投射
する。受光素子１ｂは、その反射光量（動脈容積の変化
により変動する反射光量）を受光し、帯域フィルタ１０
へ送る。帯域フィルタ１０は、ノイズを除去して脈波の
変化分のみを取り出し、この脈波変化分（脈波振幅）を
増幅器１１で増幅し、Ａ／Ｄ変換器９でデジタル値に変
換しＭＰＵ７に出力する。DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 3 is a block diagram showing an example of an air system and a circuit configuration of an electronic sphygmomanometer according to the present invention. The finger cuff 1 of the embodiment is provided with a pulse wave detecting photoelectric sensor composed of a light emitting element 1a and a light receiving element 1b on the inner peripheral surface. This finger cuff 1
A semiconductor pressure sensor 3, a pressurizing pump 4, a quick exhaust valve 5 and a slow speed exhaust valve 6 are provided in the air tube 2 connected to. The drive of the pressurizing pump 4 and the rapid exhaust valve 5 is controlled by an MPU (microprocessor unit) 7 described later. The semiconductor pressure sensor 3 detects the internal pressure of the cuff 1. The output signal of the pressure sensor 3 is amplified by the differential amplifier 8 and converted into a digital value by the A / D converter 9.
The MPU 7 takes in the output signal of the pressure sensor 3 at a constant cycle. The light emitting element 1a projects light onto a finger through an LED drive circuit 12 which is driven by receiving a command from the MPU 7. The light receiving element 1b receives the amount of reflected light (the amount of reflected light that fluctuates due to changes in arterial volume), and the bandpass filter 10
Send to. The band-pass filter 10 removes noise and extracts only the pulse wave change amount, the pulse wave change amount (pulse wave amplitude) is amplified by the amplifier 11, converted into a digital value by the A / D converter 9, and converted into the MPU 7. Output.
【００１１】ＭＰＵ７は、受光素子１ｂより取り込んだ
脈波信号、及び圧力センサ３より取り込んだカフ圧に基
づき、所定のアルゴリズムを適用して最高血圧値、最低
血圧値を決定する機能を有する。実施例では、図４で示
すように、血圧値は次のように決定される。カフ１を所
定圧まで加圧し、減圧過程に入った段階で、始めての脈
波信号を検出した時、この脈波に対応するカフ圧を最高
血圧値と決定する。また、続行する減圧過程において、
最大脈波振幅が検出された時、この最大脈波振幅に対応
するカフ圧を平均血圧値と決定する。更に、減圧過程に
おいて、脈波負ピーク最先鋭点が検出された時、この負
ピーク最先鋭点に対応するカフ圧を最低血圧値と決定す
る。ＭＰＵ７は、決定した測定結果をメモリに記憶させ
ると共に、表示器１３に表示させる機能を含んでいる。
また、ＭＰＵ７には、電源部１４、電源スイッチ部１５
及び測定用のスタートスイッチ１６が、電気的に接続さ
れている。The MPU 7 has a function of determining a systolic blood pressure value and a diastolic blood pressure value by applying a predetermined algorithm based on the pulse wave signal taken in from the light receiving element 1b and the cuff pressure taken in from the pressure sensor 3. In the embodiment, as shown in FIG. 4, the blood pressure value is determined as follows. When the cuff 1 is pressurized to a predetermined pressure and the depressurization process is started, when the first pulse wave signal is detected, the cuff pressure corresponding to this pulse wave is determined as the systolic blood pressure value. Also, in the continuing depressurization process,
When the maximum pulse wave amplitude is detected, the cuff pressure corresponding to this maximum pulse wave amplitude is determined as the average blood pressure value. Furthermore, when the pulse wave negative peak sharpest point is detected in the depressurization process, the cuff pressure corresponding to this negative peak sharpest point is determined as the minimum blood pressure value. The MPU 7 has a function of storing the determined measurement result in the memory and displaying it on the display 13.
Further, the MPU 7 includes a power supply unit 14 and a power supply switch unit 15.
And a start switch 16 for measurement are electrically connected.
【００１２】ＭＰＵ７は、上記機能を有する他に、指動
脈圧内波形先鋭度（Ｆst）を算出する機能、及び最高血
圧値補正機能を有している。指動脈内圧波形先鋭度Ｆst
は、In addition to the above functions, the MPU 7 has a function of calculating the waveform sharpness (F st ) in the finger arterial pressure and a systolic blood pressure value correcting function. Digital arterial pressure waveform sharpness F st
Is
【００１３】[0013]
【数１】 [Equation 1]
【００１４】で算出される。ここで、Ｓ’は指基部を測
定部位として測定され既に決定された最高血圧値、Ｄは
最低血圧値、そしてＭは平均血圧値である。また、最高
血圧値補正は次式で算出される。It is calculated by Here, S'is the systolic blood pressure value which has been measured using the finger base as the measurement site and has been determined, D is the diastolic blood pressure value, and M is the mean blood pressure value. The systolic blood pressure value correction is calculated by the following equation.
【００１５】[0015]
【数２】 [Equation 2]
【００１６】ここで、Ｐstは血圧推定部位の動脈内圧波
の先鋭度であり、上腕が測定部位とすると、通常は約３
である。Here, P st is the sharpness of the intra-arterial pressure wave at the blood pressure estimation site, and is usually about 3 when the upper arm is the measurement site.
Is.
【００１７】図２は、実施例指用電子血圧計の具体的な
処理動作を示すフローチャートである。動作が開始する
と、カフ１の加圧が開始される〔ステップ（以下「Ｓ
Ｔ」という）１〕。この加圧によりカフ１の圧力が所定
圧に達すると、ＳＴ２の判定がＹＥＳとなり加圧を停止
する（ＳＴ３）。この後、微速排気によりカフ１内圧の
減圧が開始し（ＳＴ４）、血圧決定処理に移行する。つ
まり、一定周期でカフ圧と脈波のサンプリングが行われ
る。ＳＴ６では、第１脈波が検出されたか否かを判定し
ている。図４で示すように、第１脈波が検出されたとす
ると、この第１脈波に対応するカフ圧を最高血圧値Ｓ’
としてメモリに記憶する（ＳＴ７）。以後、脈波振幅の
抽出を続行する（ＳＴ８）。ＳＴ９では、最大脈波振幅
が抽出されたか否かを判定している。いま、最大脈波振
幅が抽出されたとすると、このＳＴ９の判定がＹＥＳと
なり、最大脈波振幅に対応するカフ圧を平均血圧値Ｍと
して、メモリに記憶する（ＳＴ１０）。更に、脈波振幅
の抽出を続行する（ＳＴ１１）。ＳＴ１２では、脈波負
ピーク最先鋭点を検出したか否か判定している。いま、
脈波負ピーク最先鋭点を検出したとすると、ＳＴ１２の
判定がＹＥＳとなり、この脈波負ピーク最先鋭点に対応
するカフ圧を、最低血圧値Ｄとしメモリに記憶する（Ｓ
Ｔ１３）。FIG. 2 is a flow chart showing a specific processing operation of the electronic blood pressure monitor for a finger of the embodiment. When the operation is started, pressurization of the cuff 1 is started [Step (hereinafter referred to as “S
"T") 1]. When the pressure of the cuff 1 reaches a predetermined pressure by this pressurization, the determination in ST2 becomes YES and the pressurization is stopped (ST3). Thereafter, the pressure inside the cuff 1 starts to be reduced by the slow speed exhaust (ST4), and the blood pressure determination process is started. That is, the cuff pressure and the pulse wave are sampled at a constant cycle. In ST6, it is determined whether or not the first pulse wave is detected. As shown in FIG. 4, if the first pulse wave is detected, the cuff pressure corresponding to the first pulse wave is calculated as the systolic blood pressure value S ′.
Is stored in the memory (ST7). After that, the extraction of the pulse wave amplitude is continued (ST8). In ST9, it is determined whether or not the maximum pulse wave amplitude has been extracted. Now, assuming that the maximum pulse wave amplitude is extracted, the determination in ST9 is YES, and the cuff pressure corresponding to the maximum pulse wave amplitude is stored in the memory as the average blood pressure value M (ST10). Further, extraction of pulse wave amplitude is continued (ST11). In ST12, it is determined whether the sharpest point of the negative peak of the pulse wave is detected. Now
If the pulse wave negative peak sharpest point is detected, the determination in ST12 is YES, and the cuff pressure corresponding to this pulse wave negative peak sharpest point is stored in the memory as the minimum blood pressure value D (S
T13).
【００１８】図１は、指基部を測定部位として測定した
血圧値（最高血圧値Ｓ’）を、上腕を測定部位として測
定した血圧値（最高血圧値Ｓ）に補正する処理動作を示
している。まず、指動脈内圧波形先鋭度Ｆstを算出する
（ＳＴ１４）。この先鋭度は、（Ｓ’−Ｄ）／（Ｍ−
Ｄ）で求められる。例えば、先に決定した最高血圧値
Ｓ’が２５０ｍｍＨｇで、平均血圧値Ｍが１２０ｍｍＨ
ｇであり、最低血圧値Ｄが８０ｍｍＨｇであったとする
と、先鋭度Ｆstは、４．２５と算出される。FIG. 1 shows a processing operation for correcting the blood pressure value (maximum blood pressure value S ') measured with the finger base as the measurement site to the blood pressure value (maximum blood pressure value S) measured with the upper arm as the measurement site. . First, the finger arterial internal pressure waveform sharpness F st is calculated (ST14). This sharpness is (S'-D) / (M-
Required in D). For example, the previously determined maximum blood pressure value S ′ is 250 mmHg and the average blood pressure value M is 120 mmH.
If the minimum blood pressure value D is 80 mmHg, the sharpness F st is calculated as 4.25.
【００１９】次に、最高血圧値補正が実行される（ＳＴ
１５）。最高血圧値補正Ｓは、Ｄ＋（Ｓ’−Ｄ）×Ｐst
／Ｆst で求められる。ここで、Ｐstは定数３が代入さ
れる。従って、補正された最高血圧値Ｓは約１７６ｍｍ
Ｈｇとなる。そして、この補正された最高血圧値Ｓが表
示器１３に表示された後（ＳＴ１６）、カフ１を急速排
気する（ＳＴ１７）。Next, systolic blood pressure correction is executed (ST
15). The systolic blood pressure correction S is D + (S′−D) × P st
/ F st is required. Here, the constant 3 is substituted for P st . Therefore, the corrected systolic blood pressure value S is about 176 mm.
It becomes Hg. Then, after the corrected systolic blood pressure value S is displayed on the display 13 (ST16), the cuff 1 is rapidly exhausted (ST17).
【００２０】[0020]
【発明の効果】この発明では、以上のように、指基部を
測定部位として血圧値を決定すると共に、指動脈の内圧
波形先鋭度を算出し、この動脈内圧波形先鋭度により既
に算出した最高血圧値を、上腕を測定部位とする最高血
圧値に補正することとしたから、末梢部位を血圧測定部
位としていながら、心臓側の血圧を正確に推定し得る。
また、末梢部位での計測の場合、例えば指や手首等では
脱衣の必要がなく、計測作業が非常に簡便である。この
ため、頻回の測定が容易であり、高血圧患者の血圧管理
に適している。更に、上腕の血圧を推定できる事は勿
論、上腕より心臓側の血圧をも正確に推定し得るため、
簡便性が高く、且つ高精度の血圧測定を実現し得る等、
発明目的を達成した優れた効果を有する。As described above, according to the present invention, the blood pressure value is determined using the finger base as the measurement site, the internal pressure waveform sharpness of the finger artery is calculated, and the systolic blood pressure already calculated from this arterial internal pressure waveform sharpness is calculated. Since the value is corrected to the systolic blood pressure value with the upper arm as the measurement site, the blood pressure on the heart side can be accurately estimated while the peripheral site is used as the blood pressure measurement site.
Further, in the case of measurement at a peripheral site, there is no need to undress with a finger, wrist, etc., and the measurement work is very simple. Therefore, frequent measurement is easy and suitable for blood pressure management of hypertensive patients. Furthermore, not only can the blood pressure in the upper arm be estimated, but the blood pressure on the heart side of the upper arm can also be accurately estimated,
It is highly convenient and can realize highly accurate blood pressure measurement.
It has an excellent effect of achieving the object of the invention.
【図１】実施例車電子血圧計の最高血圧値補正処理を示
すフローチャートである。FIG. 1 is a flowchart showing a systolic blood pressure value correction process of an example vehicle electronic blood pressure monitor.
【図２】実施例電子血圧計の血圧測定処理を示すフロー
チャートである。FIG. 2 is a flowchart showing a blood pressure measurement process of the electronic blood pressure monitor of the embodiment.
【図３】実施例電子血圧計の回路構成例を示すブロック
図である。FIG. 3 is a block diagram showing a circuit configuration example of an example electronic blood pressure monitor.
【図４】動脈内圧、カフ圧と容積脈波の関係を示す説明
図である。FIG. 4 is an explanatory diagram showing a relationship between an intra-arterial pressure, a cuff pressure and a volume pulse wave.
【図５】上腕の動脈内圧波形を示す説明図である。FIG. 5 is an explanatory diagram showing an intra-arterial pressure waveform of the upper arm.
【図６】指基部の動脈内圧波形を示す説明図である。FIG. 6 is an explanatory diagram showing an intra-arterial pressure waveform at the finger base.
１ カフ ３ 半導体圧力センサ ７ ＭＰＵ 1 Cuff 3 Semiconductor pressure sensor 7 MPU
Claims (2)
カフ圧及び脈波振幅データに、所定のアルゴリズムを適
用して血圧値を決定する血圧値決定手段と、前記末梢測
定部位の動脈内圧波形の特徴量である圧波形の先鋭度を
算出する先鋭度算出手段と、この先鋭度算出手段により
算出された先鋭度により、前記血圧決定手段で決定され
た最高血圧値を、測定部位より心臓側である上腕を測定
部位とした最高血圧値に補正する最高血圧値補正手段と
から成る電子血圧計。1. A blood pressure measurement site is a site peripheral to the upper arm,
Cuff pressure and pulse wave amplitude data, a blood pressure value determination means for determining a blood pressure value by applying a predetermined algorithm, and a sharpness for calculating the sharpness of the pressure waveform which is the characteristic amount of the intra-arterial pressure waveform at the peripheral measurement site With the calculation means and the sharpness calculated by this sharpness calculation means, the maximum blood pressure value determined by the blood pressure determination means is corrected to the maximum blood pressure value with the upper arm on the heart side of the measurement site as the measurement site. An electronic sphygmomanometer including a high blood pressure value correcting means.
低血圧値）／（平均血圧値−最低血圧値）で先鋭度を求
めることを特徴とする請求項１記載の電子血圧計。2. The electronic sphygmomanometer according to claim 1, wherein the sharpness calculation means calculates the sharpness by (maximum blood pressure value-minimum blood pressure value) / (average blood pressure value-minimum blood pressure value).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP08591393A JP3218786B2 (en) | 1993-04-13 | 1993-04-13 | Electronic sphygmomanometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP08591393A JP3218786B2 (en) | 1993-04-13 | 1993-04-13 | Electronic sphygmomanometer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH06296591A true JPH06296591A (en) | 1994-10-25 |
| JP3218786B2 JP3218786B2 (en) | 2001-10-15 |
Family
ID=13872055
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP08591393A Expired - Fee Related JP3218786B2 (en) | 1993-04-13 | 1993-04-13 | Electronic sphygmomanometer |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3218786B2 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2523136C2 (en) * | 2009-02-25 | 2014-07-20 | Омрон Хэлткэа Ко., Лтд. | Electronic sphygmomanometer |
| US9198583B2 (en) | 2009-04-28 | 2015-12-01 | Samsung Electronics Co., Ltd. | Method and apparatus for correcting error in blood pressure measurement |
| JP2016165381A (en) * | 2015-03-10 | 2016-09-15 | 日本光電工業株式会社 | Measuring apparatus and program |
| JP2022524186A (en) * | 2019-03-06 | 2022-04-28 | チャームケア・カンパニー・リミテッド | Blood pressure measurement system and blood pressure measurement method using it |
-
1993
- 1993-04-13 JP JP08591393A patent/JP3218786B2/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2523136C2 (en) * | 2009-02-25 | 2014-07-20 | Омрон Хэлткэа Ко., Лтд. | Electronic sphygmomanometer |
| US9198583B2 (en) | 2009-04-28 | 2015-12-01 | Samsung Electronics Co., Ltd. | Method and apparatus for correcting error in blood pressure measurement |
| JP2016165381A (en) * | 2015-03-10 | 2016-09-15 | 日本光電工業株式会社 | Measuring apparatus and program |
| JP2022524186A (en) * | 2019-03-06 | 2022-04-28 | チャームケア・カンパニー・リミテッド | Blood pressure measurement system and blood pressure measurement method using it |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3218786B2 (en) | 2001-10-15 |
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