JPH02234740A - Electronic hemodynamometer - Google Patents
Electronic hemodynamometerInfo
- Publication number
- JPH02234740A JPH02234740A JP1056777A JP5677789A JPH02234740A JP H02234740 A JPH02234740 A JP H02234740A JP 1056777 A JP1056777 A JP 1056777A JP 5677789 A JP5677789 A JP 5677789A JP H02234740 A JPH02234740 A JP H02234740A
- Authority
- JP
- Japan
- Prior art keywords
- pressurization
- blood pressure
- pulse wave
- cuff
- value
- 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.)
- Granted
Links
- 230000036772 blood pressure Effects 0.000 claims abstract description 38
- 238000013459 approach Methods 0.000 claims abstract description 5
- 230000035487 diastolic blood pressure Effects 0.000 claims description 21
- 238000001514 detection method Methods 0.000 claims description 14
- 230000002526 effect on cardiovascular system Effects 0.000 claims description 8
- 238000000034 method Methods 0.000 abstract description 21
- 238000001914 filtration Methods 0.000 abstract description 3
- 238000004904 shortening Methods 0.000 abstract description 3
- 238000005070 sampling Methods 0.000 abstract description 2
- 230000035488 systolic blood pressure Effects 0.000 description 13
- 238000005259 measurement Methods 0.000 description 9
- 206010020772 Hypertension Diseases 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 230000001631 hypertensive effect Effects 0.000 description 5
- 101000867232 Escherichia coli Heat-stable enterotoxin II Proteins 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000284 extract Substances 0.000 description 2
- 208000001953 Hypotension Diseases 0.000 description 1
- 208000007536 Thrombosis Diseases 0.000 description 1
- 238000009530 blood pressure measurement Methods 0.000 description 1
- 239000013256 coordination polymer Substances 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 208000012866 low blood pressure Diseases 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 210000000707 wrist Anatomy 0.000 description 1
Landscapes
- Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
Abstract
Description
【発明の詳細な説明】
（イ）産業上の利用分野
この発明は、カフの加圧過程において、最低血圧値、最
高血圧値を決定する電子血圧計に関する。DETAILED DESCRIPTION OF THE INVENTION (a) Industrial Application Field The present invention relates to an electronic blood pressure monitor that determines the diastolic blood pressure value and the systolic blood pressure value during the cuff pressurization process.
（口）従来の技術
電子血圧計は、カフにより被験者の被測定部位を圧迫し
、カフ内の空気圧（以下単にカフ圧という）を微速で減
圧又は加圧し、その間のカフ圧及び被験者の心血管情報
（脈波、コロトコフ音等）を電気的に検出して、最高血
圧値及び最低血圧値を決定するものである。減圧過程で
血圧値決定を行う電子血圧計では、カフを一旦、被験者
の最高血圧値以上である加圧目標値にまで加圧し、そこ
から減圧を開始するのであるが、高血圧患者の場合等、
最高血圧値の高い場合にも対応できるよう、前記加圧目
標値は高めに設定される。よって、健常者や低血圧患者
にとっては必要以上に高い圧力で加圧されることとなり
、これらの者に苦痛を与えたり、影血を生じさせるおそ
れがある。(Example) Conventional electronic blood pressure monitors use a cuff to press the measurement area of a subject and slowly reduce or increase the air pressure within the cuff (hereinafter simply referred to as cuff pressure). Information (pulse waves, Korotkoff sounds, etc.) is electrically detected to determine the systolic blood pressure value and the diastolic blood pressure value. With electronic sphygmomanometers that determine blood pressure values during the decompression process, the cuff is first pressurized to a target pressure value that is higher than the subject's systolic blood pressure value, and then depressurization is started, but in the case of hypertensive patients, etc.
The pressurization target value is set relatively high so as to be able to cope with cases where the systolic blood pressure value is high. Therefore, a healthy person or a patient with low blood pressure will be pressurized at a higher pressure than necessary, which may cause pain to these people or cause blood clots.
これに対して、加圧過程で血圧値を決定する電子血圧計
では、最高血圧値が決定されれば、その時点でカフの加
圧を中止して、急速にカフ中の空気を排気し、被測定部
を解放する。このため、必要以上の圧力で加圧しないの
で、被験者に苦痛を与えたり、欝血を生じさせるおそれ
が少ない。特に近年、加圧ポンプの性能向上に伴い、加
圧過程で血圧測定を行う電子血圧計の製品化が容易とな
ってきている。On the other hand, with electronic blood pressure monitors that determine the blood pressure value during the pressurization process, once the systolic blood pressure value is determined, the cuff pressurization is stopped at that point, and the air in the cuff is rapidly exhausted. Release the part to be measured. Therefore, since pressure is not applied more than necessary, there is little risk of causing pain or stasis to the subject. Particularly in recent years, with improvements in the performance of pressure pumps, it has become easier to commercialize electronic blood pressure monitors that measure blood pressure during the pressurization process.
（ハ）発明が解決しようとする課題
上記加圧過程で血圧測定を行う電子血圧計では、カフを
０から最高血圧値まで微速で加圧するが、実際に微速で
加圧する必要があるのは、最低血圧値から最高血圧値ま
でであり、０から最低血圧値までは微速で加圧する必要
がない。このため、従来の加圧過程で血圧測定を行う電
子血圧計では測定時間が長大化し、被験者に苦痛や欝血
を生じさせるおそれが生じ、加圧過程での血圧測定の長
所が生かせない。(C) Problems to be Solved by the Invention In the electronic blood pressure monitor that measures blood pressure during the pressurization process, the cuff is pressurized at a slow rate from 0 to the systolic blood pressure value, but it is actually necessary to pressurize at a slow rate. The range is from the diastolic blood pressure value to the systolic blood pressure value, and there is no need to pressurize at a slow speed from 0 to the diastolic blood pressure value. For this reason, with conventional electronic blood pressure monitors that measure blood pressure during the pressurization process, the measurement time becomes long and there is a risk of causing pain or congestion in the subject, making it impossible to take advantage of the advantages of measuring blood pressure during the pressurization process.
そこで、最低血圧値より少し下の所定圧まで急速に加圧
し、それ以降は微速で加圧することにより測定時間の短
縮化を図るものが提案されている。Therefore, a method has been proposed in which the pressure is rapidly increased to a predetermined pressure slightly below the diastolic blood pressure value, and thereafter the pressure is increased at a slow rate to shorten the measurement time.
しかし、この所定圧は、いかなる被験者の最低血圧値よ
りも低く設定する必要があるため、２０〜３３ｍｍＨｇ
という低い値に設定されており、測定時間短縮の効果は
極めて小さかった。However, this predetermined pressure needs to be set lower than the diastolic blood pressure value of any subject, so it is 20 to 33 mmHg.
The effect of shortening measurement time was extremely small.
この発明は、上記に鑑みなされたもので、測定時間の短
縮化を図った電子血圧計の提供を目的としている。The present invention has been made in view of the above, and an object of the present invention is to provide an electronic blood pressure monitor that shortens measurement time.
（二）課題を解決するための手段
上記課題を解決するため、この発明の電子血圧計は、カ
フと、このカフ内の空気を微速で又は急速に加圧する加
圧手段と、前記カフ内の空気を急速に排気する急速排気
手段と、前記カフ内の空気圧を検出する圧力検出手段と
、被験者の心血管情報を検出する心血管情報検出手段と
、前記圧力検出手段の圧力信号及び前記心血管情報検出
手段の心血管情報信号に基づいて血圧値を決定する血圧
値決定手段とを備えてなるものにおいて、被験者の脈波
情報を検出する脈波情報検出手段と、この脈波情報検出
手段の脈波情報に基づいて、急速加圧中に前記カフ内の
空気圧が被験者の最低血圧値に近づいたか否かを判定し
、前記加圧手段を急速加圧から微速加圧に切替える加圧
速度切替手段とを備えてなることを特徴とするものであ
る。(2) Means for Solving the Problems In order to solve the above problems, the electronic blood pressure monitor of the present invention includes a cuff, a pressurizing means for slowly or rapidly pressurizing the air in the cuff, and a rapid exhaust means for rapidly exhausting air; a pressure detection means for detecting air pressure in the cuff; a cardiovascular information detection means for detecting cardiovascular information of the subject; and a pressure signal from the pressure detection means and the cardiovascular information. A blood pressure value determining means for determining a blood pressure value based on the cardiovascular information signal of the information detecting means, the pulse wave information detecting means for detecting pulse wave information of the subject, and the pulse wave information detecting means for detecting the pulse wave information of the subject. Based on pulse wave information, it is determined whether the air pressure in the cuff approaches the diastolic blood pressure value of the subject during rapid pressurization, and the pressurization speed is switched from rapid pressurization to slow pressurization. It is characterized by comprising means.
（ホ）作用
加圧過程で血圧測定を行う場合には、初めの急速加圧過
程において、カフ圧が被験者の最低血圧値に近づいたこ
とを検出し、急速加圧から微速加圧に切替えれば、測定
時間を有効に短縮できる。(e) When measuring blood pressure during the action pressurization process, during the initial rapid pressurization process, it is detected that the cuff pressure approaches the subject's diastolic blood pressure value, and the rapid pressurization is switched to slow pressurization. For example, measurement time can be effectively shortened.
この発明の電子血圧計は、その検出を被験者の脈波情報
に基づいて行う。The electronic blood pressure monitor of the present invention performs detection based on pulse wave information of the subject.
例えば、脈波振幅値はカフ圧が０から最低血圧に達する
までの間増大していくから、脈波振幅値が所定の値に達
した時に急速加圧から微速加圧に切替える。最低血圧時
の脈波振幅値は、被験者によってばらつきがあるが、第
４図に示すようにある範囲（１． ５ 〜５． ９ ｍ
ｍｌｌｇ）に収まっており、ソノ分布の中心は下限側に
偏っている。よって、この分布の下限値（１． ５ ｍ
ｍｌｇ）近傍の値とすれば、ほとんどの被験者について
最低血圧値の少し下のところで加圧速度を象、速から微
速に切替えることができる。For example, since the pulse wave amplitude value increases until the cuff pressure reaches the diastolic blood pressure from 0, rapid pressurization is switched to slow pressurization when the pulse wave amplitude value reaches a predetermined value. The pulse wave amplitude value at the time of diastolic blood pressure varies depending on the subject, but as shown in Figure 4, it falls within a certain range (1.5 to 5.9 m
mllg), and the center of the Sono distribution is biased toward the lower limit side. Therefore, the lower limit of this distribution (1.5 m
mlg), it is possible to switch the pressurization rate from slow to slow at a point slightly below the diastolic blood pressure for most subjects.
（へ）実施例
この発明の一実施例を第１図乃至第４図に基づいて以下
に説明する。(F) Embodiment An embodiment of the present invention will be described below with reference to FIGS. 1 to 4.
この実施例は、本発明を腕用の電子血圧計に適用したも
のであり、第２図は、実施例電子血圧計の構成を説明す
るブロック図である。２は、カフであり、加圧ポンプ（
加圧手段）３、圧力センナ（圧力検出手段）４及び急速
排気弁（急速排気手段）５が接続されている。加圧ポン
プ３はＤＣモータを備えており、このＤＣモークはＣＰ
Ｕ６からのパルス信号により回転数がＰ Ｗ Ｍ ｆｌ
ｉｌｌ ？ａＴｌされている。また、圧カセンザ４は、
検出圧力を発信周波数で表す方式のものが使用され、そ
のカフ圧信号はＣＰＵ６にとりこまれる。さらに、急速
排気弁５の開閉もＣＰＵ６により制御される。In this embodiment, the present invention is applied to an electronic blood pressure monitor for the wrist, and FIG. 2 is a block diagram illustrating the configuration of the electronic blood pressure monitor according to the embodiment. 2 is a cuff, and a pressurizing pump (
A pressurizing means) 3, a pressure sensor (pressure detecting means) 4, and a quick exhaust valve (quick exhaust means) 5 are connected. The pressurizing pump 3 is equipped with a DC motor, and this DC motor is CP
The rotation speed is changed to P W M fl by the pulse signal from U6.
ill? aTl has been done. In addition, the pressure sensor 4 is
A system in which the detected pressure is expressed by an oscillation frequency is used, and the cuff pressure signal is taken into the CPU 6. Furthermore, the opening and closing of the rapid exhaust valve 5 is also controlled by the CPU 6.
ＣＰＵ６は、加圧ボンプ３、急速排気弁５を制御する機
能、圧カセンサ４のカフ圧信号よりカフ圧Ｃを算１ｊ」
シ、またこのカフ圧信号より脈波成分をデジタルフィル
タリングにより抽出し、その振幅値八を抽出する機能、
脈波振幅稙Δと切替値αを比較して加圧速度を切替える
機能、脈波振幅値Ａ及びカフ圧Ｃとから最高血圧値（ｓ
ｙｓ）、最低皿圧値（ＤＩＡ）を決定する機能等を有し
ている。ＣＰＵ６には、加圧スイソチ８と表示器７が接
続され、表示器７には、ＣＰＵ６で決定された最高血圧
値、最低血圧値等が表示される。The CPU 6 has a function of controlling the pressurization pump 3 and the rapid exhaust valve 5, and calculates the cuff pressure C from the cuff pressure signal of the pressure sensor 4.
Also, a function that extracts the pulse wave component from this cuff pressure signal by digital filtering and extracts its amplitude value.
A function that switches the pressurization speed by comparing the pulse wave amplitude value Δ and the switching value α, and calculates the systolic blood pressure value (s) from the pulse wave amplitude value A and the cuff pressure C.
ys), and the function of determining the minimum dish pressure value (DIA). A pressurization switch 8 and a display 7 are connected to the CPU 6, and the display 7 displays the systolic blood pressure value, diastolic blood pressure value, etc. determined by the CPU 6.
上述の切替値αは、カフ２の加圧を急速加圧から微速加
圧に切替える際の判定値となるものであり、カフ圧が最
低血圧値より少し低い時の脈波振幅値を採用する。第４
図は、健常者及び高血圧患者（総数２６５）について、
最低血圧値が観測される時の脈波振幅値の度数分布を示
している。この第４図では、分布は１ ． ５ ｍｍｔ
ｌｇ〜５． ９ ｍｍｌｌｇの間に広がっているが、こ
の下限を切替稙αとすれば、最も妥当であり、本実施例
では切替値αとして１ ． ５ ｍｍｌｌｇを採用して
いる。もちろん切替値αはｌ ， ５ ｍｍｌｇに限定
されるものではない。The above switching value α is a judgment value when switching the pressurization of the cuff 2 from rapid pressurization to slow pressurization, and adopts the pulse wave amplitude value when the cuff pressure is slightly lower than the diastolic blood pressure value. . Fourth
The figure shows healthy subjects and hypertensive patients (total number of 265).
It shows the frequency distribution of pulse wave amplitude values when the diastolic blood pressure value is observed. In this Figure 4, the distribution is 1. 5mmt
lg~5. However, if this lower limit is set as the switching value α, it is most appropriate, and in this embodiment, the switching value α is set to 1.9mmllg. 5 mmllg is adopted. Of course, the switching value α is not limited to 1,5 mmlg.
次に、この実施例電子血圧計のりＪ作を説明する。Next, this embodiment of the electronic blood pressure monitor manufactured by Nori J will be explained.
まず、カフ２を被験者の上腕部に巻き付け、電子血圧計
の電源をオンにする。電源がオンされると、加圧スイソ
チ８がオンされたか否かを判定する〔ステンプ（以下Ｓ
Ｔという）１、第１図参照〕。First, the cuff 2 is wrapped around the subject's upper arm, and the electronic blood pressure monitor is turned on. When the power is turned on, it is determined whether the pressurizing switch 8 is turned on or not.
(referred to as T) 1, see Figure 1].
このＳＴＩの判定がＮＯの場合には、このＳＴＩで待機
し、ＹＥＳの場合にはＳＴ２へ分岐する。If the determination of this STI is NO, the process waits at this STI, and if the determination is YES, the process branches to ST2.
ＳＴ２では、急速排気弁５が閉じられる。そして、加圧
ポンプ３が作動を始め急速加圧が行われる。この象、速
加圧の加圧速度は、１０〜１５ｍｍｌｇ／Ｓとなるよう
、ＣＰＵ６はパルス信号のデューティー比を定める。な
お、加圧速度Ｖ＋ は、カフ圧Ｃ， 、Ｃ，が発生した
時の時間差ｔ，とすれば以下の式で得られる。In ST2, the quick exhaust valve 5 is closed. Then, the pressurizing pump 3 starts operating and rapid pressurization is performed. In this case, the CPU 6 determines the duty ratio of the pulse signal so that the pressurization speed of the rapid pressurization is 10 to 15 mmlg/S. Note that the pressurization speed V+ can be obtained by the following formula, assuming that the time difference t between the occurrences of the cuff pressures C, , C, is t.
ｖ ＋ 一（ Ｃ． Ｃ− ） ／ ｔ
−（］）この急速加圧の間、所定のサンプリング周期
でカフ圧（Ｃ，）信号がＣＰＵ６に取り込まれ（ＳＴ４
）、デジタルフィルタリングにより脈波（Ｐ，）信号を
抽出し（ＳＴ５）、さらにこの脈波（Ｐ，）の振幅値Ａ
，，を抽出する（ＳＴ６）。v + one (C.C-) / t
-(]) During this rapid pressurization, the cuff pressure (C,) signal is taken into the CPU 6 at a predetermined sampling period (ST4
), the pulse wave (P,) signal is extracted by digital filtering (ST5), and the amplitude value A of this pulse wave (P,) is further extracted.
, , are extracted (ST6).
ＳＴ７ではこうして抽出された振幅値Ａ，が前記切替値
α以上となったか否かを判定する。この判定がＹＥＳの
場合には、ＳＴ８へ分岐し、Ｎｏの場合にはＳＴ４へ戻
り脈波振幅値Ａイの抽出を続行する。In ST7, it is determined whether the amplitude value A thus extracted is greater than or equal to the switching value α. If this determination is YES, the process branches to ST8, and if NO, the process returns to ST4 to continue extracting the pulse wave amplitude value Ai.
ＳＴ８では、ＣＰＵ６はパルス信号のデューティー比を
下げ、２〜６ ｍｍｌｌｇ／ Ｓの速度の微速加圧を行
われるよう加圧ポンブ３を制御する。この微速加圧の間
、血圧値決定処理が行われ（ＳＴ９）、最高血圧値及び
最低血圧値が決定されたが否ががＳＴＩＯで判定される
。ＳＴＩＯの判定がＮＯの場合には、血圧値決定処理（
ＳＴ９）を続行し、ＹＥＳの場合にはＳＴＩＩへ分岐ず
る。In ST8, the CPU 6 lowers the duty ratio of the pulse signal and controls the pressurizing pump 3 to perform slow pressurization at a speed of 2 to 6 mmllg/S. During this slow pressurization, a blood pressure value determination process is performed (ST9), and it is determined in STIO whether the systolic blood pressure value and the diastolic blood pressure value have been determined. If the STIO determination is NO, the blood pressure value determination process (
Continue ST9), and if YES, branch to STII.
血圧値決定処理（ＳＴＩＯ）は、オシロメトリンク法に
より、例えば脈波振幅値八〇の最大値Ａ １１ ３ Ｘ
を抽出し、脈波振幅値八〇の増加側で最大値Ａ１ａＸの
７０％となる脈波振幅値が観測された時のカフ圧を最低
血圧値と決定し、脈波振幅値Ａ．の減少側で最大値Ａ．
ウの６０％となる脈波振幅値が抽出された時のカフ圧を
最高血圧値と決定する。もちろん血圧値決定処理の手法
はこれに限定ざれるものではなく、コロトコフ法も用い
ることができる。The blood pressure value determination process (STIO) is performed by using the oscillometric link method to determine, for example, the maximum value A 11 3 X of the pulse wave amplitude value 80.
is extracted, and the cuff pressure at which a pulse wave amplitude value of 70% of the maximum value A1aX is observed on the increasing side of the pulse wave amplitude value 80 is determined as the diastolic blood pressure value, and the pulse wave amplitude value A. The maximum value A.
The cuff pressure at which the pulse wave amplitude value corresponding to 60% of c is extracted is determined as the systolic blood pressure value. Of course, the method of blood pressure value determination processing is not limited to this, and the Korotkoff method can also be used.
ＳＴＩＩでは、ＣＰＵ６はパルス信号を０として加圧ボ
ンプ３を停止し、さらに急速排気弁５を開にし、カフ２
内の空気を急速に排気し、被験者の上腕部を圧迫から開
放する。そして、決定された最低血圧値、最高血圧値が
表示器７に表示され、血圧測定が終了する。In STII, the CPU 6 sets the pulse signal to 0, stops the pressurizing pump 3, opens the rapid exhaust valve 5, and closes the cuff 2.
Rapidly expel the air inside and release the subject's upper arm from pressure. Then, the determined diastolic blood pressure value and systolic blood pressure value are displayed on the display 7, and the blood pressure measurement is completed.
第３図は、測定中のカフ圧と脈波振幅値の変化を説明す
る図で、第３図（ａ）は健常者の場合、第３図（ｂ）は
、高血圧患者の場合を示している。健常者、高血圧患者
いずれの場合でも、最低血圧値出現の少し前に、加圧が
象、速から微速に切替えられており、測定時間が有効に
短縮化される。また、最高血圧値決定後、速やかに急速
排気が行われるため、特に健常者の場合に不必要に高い
圧力で上腕部を圧迫することはない。Figure 3 is a diagram illustrating changes in cuff pressure and pulse wave amplitude values during measurement. Figure 3 (a) shows the case of a healthy person, and Figure 3 (b) shows the case of a hypertensive patient. There is. In both cases of healthy subjects and hypertensive patients, the pressurization is switched from slow to slow shortly before the diastolic blood pressure value appears, effectively shortening the measurement time. Further, since rapid evacuation is performed immediately after the systolic blood pressure value is determined, the upper arm is not pressed with unnecessarily high pressure, especially in the case of a healthy person.
（ト）発明の効果
以上説明したように、この発明の電子血圧計は、被験者
の脈波情報を検出する脈波情報検出手段と、この脈波情
報検出手段の脈波情報に基づいて、前記カフ内の空気圧
が被験者の最低血圧値に近づいたか否かを判定し、前記
加圧手段を急速加圧から微速加圧に切替える加圧速度切
替手段とを備えてなることを特徴とするものであるから
、測定時間を有効に短縮することができる利点を有して
いる。(G) Effects of the Invention As explained above, the electronic blood pressure monitor of the present invention includes a pulse wave information detection means for detecting pulse wave information of a subject, and a pulse wave information detection means for detecting the pulse wave information of the pulse wave information detection means. It is characterized by comprising a pressurization speed switching means that determines whether the air pressure in the cuff approaches the diastolic blood pressure value of the subject and switches the pressurization means from rapid pressurization to slow pressurization. Therefore, it has the advantage of being able to effectively shorten the measurement time.
第１図は、この発明の一実施例に係る電子血圧計の動作
を説明するフロ一図、第２図は、同電子血圧計の構成を
説明するブロック図、第３図（ａ）及び第３図（ｂ）は
、同電子血圧計においてそれぞれ健常者及び高血圧患者
に対するカフ圧と脈波振幅値との関係を説明する図、第
４図は、最低血圧時の脈波振幅値の分布を説明する図で
ある。
２：カフ、 ３：加圧ポンプ、４：圧カセ
ンサ、 ５：急速排気弁、６：ＣＰＵ，FIG. 1 is a flow diagram explaining the operation of an electronic blood pressure monitor according to an embodiment of the present invention, FIG. 2 is a block diagram explaining the configuration of the electronic blood pressure monitor, and FIGS. Figure 3 (b) is a diagram explaining the relationship between cuff pressure and pulse wave amplitude value for healthy subjects and hypertensive patients, respectively, in the same electronic blood pressure monitor, and Figure 4 shows the distribution of pulse wave amplitude values at diastolic blood pressure. FIG. 2: Cuff, 3: Pressure pump, 4: Pressure sensor, 5: Rapid exhaust valve, 6: CPU,
Claims (2)
する加圧手段と、前記カフ内の空気を急速に排気する急
速排気手段と、前記カフ内の空気圧を検出する圧力検出
手段と、被験者の心血管情報を検出する心血管情報検出
手段と、前記圧力検出手段の圧力信号及び前記心血管情
報検出手段の心血管情報信号に基づいて血圧値を決定す
る血圧値決定手段とを備えてなる電子血圧計において、
被験者の脈波情報を検出する脈波情報検出手段と、この
脈波情報検出手段の脈波情報に基づいて、急速加圧中に
前記カフ内の空気圧が被験者の最低血圧値に近づいたか
否かを判定し、前記加圧手段を急速加圧から微速加圧に
切替える加圧速度切替手段とを備えてなることを特徴と
する電子血圧計。(1) A cuff, a pressurizing means for slowly or rapidly pressurizing the air within the cuff, a rapid exhaust means for rapidly exhausting the air within the cuff, and a pressure detection means for detecting the air pressure within the cuff. , comprising cardiovascular information detection means for detecting cardiovascular information of the subject, and blood pressure value determination means for determining a blood pressure value based on the pressure signal of the pressure detection means and the cardiovascular information signal of the cardiovascular information detection means. In the electronic blood pressure monitor,
A pulse wave information detection means for detecting pulse wave information of the subject, and whether or not the air pressure in the cuff approaches the diastolic blood pressure value of the subject during rapid inflation based on the pulse wave information of this pulse wave information detection means. an electronic sphygmomanometer, comprising: pressurization speed switching means for determining the pressurization speed and switching the pressurization means from rapid pressurization to slow pressurization.
幅値を検出し、この脈波振幅値が所定の値をこえた時に
、前記加圧速度切替手段が急速加圧から微速排気に切替
える特許請求の範囲第１項記載の電子血圧計。(2) The pulse wave information detection means detects a pulse wave amplitude value as pulse wave information, and when the pulse wave amplitude value exceeds a predetermined value, the pressurization speed switching means changes from rapid pressurization to slow exhaust. The electronic blood pressure monitor according to claim 1, wherein the electronic blood pressure monitor is switched to:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1056777A JP2932486B2 (en) | 1989-03-09 | 1989-03-09 | Electronic sphygmomanometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1056777A JP2932486B2 (en) | 1989-03-09 | 1989-03-09 | Electronic sphygmomanometer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02234740A true JPH02234740A (en) | 1990-09-17 |
| JP2932486B2 JP2932486B2 (en) | 1999-08-09 |
Family
ID=13036874
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1056777A Expired - Fee Related JP2932486B2 (en) | 1989-03-09 | 1989-03-09 | Electronic sphygmomanometer |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2932486B2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7204809B2 (en) | 2005-08-03 | 2007-04-17 | Rossmax International Ltd. | Pressurizing apparatus and method for the same |
| CN114533009A (en) * | 2020-11-25 | 2022-05-27 | 华为技术有限公司 | Blood pressure measuring device and pressurizing method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59129051A (en) * | 1983-01-14 | 1984-07-25 | 株式会社 日本コ−リン | Measurement of blood pressure |
| JPS6343645A (en) * | 1986-08-11 | 1988-02-24 | コーリン電子株式会社 | Continuous blood pressure measuring apparatus |
-
1989
- 1989-03-09 JP JP1056777A patent/JP2932486B2/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59129051A (en) * | 1983-01-14 | 1984-07-25 | 株式会社 日本コ−リン | Measurement of blood pressure |
| JPS6343645A (en) * | 1986-08-11 | 1988-02-24 | コーリン電子株式会社 | Continuous blood pressure measuring apparatus |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7204809B2 (en) | 2005-08-03 | 2007-04-17 | Rossmax International Ltd. | Pressurizing apparatus and method for the same |
| CN114533009A (en) * | 2020-11-25 | 2022-05-27 | 华为技术有限公司 | Blood pressure measuring device and pressurizing method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2932486B2 (en) | 1999-08-09 |
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