JP3070242B2 - Pulse wave measurement device - Google Patents
Pulse wave measurement deviceInfo
- Publication number
- JP3070242B2 JP3070242B2 JP4107943A JP10794392A JP3070242B2 JP 3070242 B2 JP3070242 B2 JP 3070242B2 JP 4107943 A JP4107943 A JP 4107943A JP 10794392 A JP10794392 A JP 10794392A JP 3070242 B2 JP3070242 B2 JP 3070242B2
- Authority
- JP
- Japan
- Prior art keywords
- pulse wave
- artery
- difference
- ulnar artery
- arterial
- 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.)
- Expired - Fee Related
Links
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- Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本発明は、動脈脈波の波形観測に
より血流抗進時の血行状態を計測する脈波計測装置に関
するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a pulse wave measuring apparatus for measuring a blood flow state when a blood flow is advancing by observing a waveform of an arterial pulse wave.
【０００２】[0002]
【従来の技術】従来より、心臓疾患の検査には、心電図
や超音波診断装置などが用いられている。また、心臓の
動きに関連した動脈脈波は、血液循環機能の状態を示す
重要な情報を含んでいるので、血液循環機能の良否の判
断に広く利用され、一般的に毛細血管の含血量を示す容
積脈波の観測が行われている。この動脈脈波の検出に
は、ピエゾ素子やコンデンサマイクホン等を利用して心
拍による圧力変化を電気信号に変換して検出する方法
や、血液中のヘモグロビンによる変調作用を利用して血
流量変化を光学的に検出などの方法が採用されている。2. Description of the Related Art Conventionally, an electrocardiogram, an ultrasonic diagnostic apparatus, and the like have been used for examination of a heart disease. In addition, since arterial pulse waves related to the movement of the heart contain important information indicating the state of blood circulation function, they are widely used for determining the quality of blood circulation function, and generally include the blood content of the capillary. Is observed. This arterial pulse wave is detected by converting the pressure change due to the heartbeat into an electrical signal using a piezo element or condenser microphone, or by detecting the change in blood flow using the modulation effect of hemoglobin in the blood. Is optically detected.
【０００３】また、東洋医学では、専ら触感による脈診
によって、寸口すなわち手首の内側にある橈骨莖状の突
起部位の動脈の脈をもって被検診者の病状を判断してい
る。この東洋医学における脈診では、上記寸口の脈を
上、中、下すなわち寸、関、尺の三部位にわけてそれぞ
れに現れる２つの経脈の脈気を把握する方法が採られ
る。上記寸は手首の動脈の末梢側を指し、この寸の脈
は、人間の頭から胸までの健康状態を表している。ま
た、関は動脈の末梢側と心臓側との中間を指し、この関
の脈は、胸から臍までの健康状態を表している。さら
に、尺は動脈の心臓側を指し、臍から足先までの健康状
態を表している。In Oriental medicine, the pathology of an examinee is judged based on the pulse of a tactile sensation, that is, the pulse of the artery at the radius-like protuberance located inside the wrist. In the pulse diagnosis in Oriental medicine, a method is adopted in which the pulse of the above-mentioned mouth is divided into three parts of upper, middle, and lower, that is, three dimensions, seki, seki, and shaku. The dimension refers to the distal side of the artery of the wrist, and a pulse of this dimension represents a person's health from head to chest. In addition, the seki refers to an intermediate point between the peripheral side of the artery and the heart side, and the vein of the seki represents a state of health from the chest to the navel. Furthermore, the scale points to the heart side of the artery and represents the state of health from the navel to the toes.
【０００４】従来、人体の動脈から赤外線センサや圧力
センサ等で動脈脈波を得て、波形観測によって脈診を行
う装置として、例えば特公昭５７−５２０５４号公報に
開示されているような脈診装置が知られている。Conventionally, as a device for obtaining a pulse wave of an artery from an artery of a human body with an infrared sensor, a pressure sensor, or the like, and performing a pulse diagnosis by observing a waveform, for example, a pulse diagnosis disclosed in Japanese Patent Publication No. 57-52054 is disclosed. Devices are known.
【０００５】[0005]
【発明が解決しようとする課題】ところで、妊娠女性
は、血流が抗進し、手足の動脈が発達することが知られ
ている。しかし、上記血流の抗進による動脈の発達状態
を非観血の観測する装置は従来なく、上記動脈の発達状
態を示す情報を女性の健康状態の判断に利用することは
できないでいた。By the way, it is known that in pregnant women, the blood flow resists and the arteries of the limbs develop. However, there has been no device for observing the state of development of the artery due to the resistance of the blood flow in a non-invasive manner, and information indicating the state of development of the artery cannot be used for judging the health of a woman.
【０００６】発明者等は、このような血流の抗進による
動脈の発達状態について研究を進めていたところ、妊娠
時の血流の抗進による動脈の発達状態に左右差があるこ
とを発見した。The present inventors have been studying the state of arterial development due to such blood flow resistance, and found that there is a left-right difference in the state of artery development due to blood flow resistance during pregnancy. did.
【０００７】そこで、本発明は、動脈の発達状態を示す
情報を女性の健康状態の判断に有効に利用できるように
することを目的とし、妊娠時の血流の抗進による動脈の
発達状態の左右差を非観血に検出して脈波計測データと
して出力するようにした末脈波計測装置を提供するもの
である。Accordingly, an object of the present invention is to make it possible to effectively use information indicating the state of development of an artery in determining the health of a woman. It is an object of the present invention to provide a terminal pulse wave measuring device which detects a left-right difference non-invasively and outputs the pulse wave measurement data.
【０００８】[0008]
【課題を解決するための手段】本発明に係る脈波計測装
置は、上述の目的を達成するために、被検診者の右手の
尺骨動脈の脈波信号と左手の尺骨動脈の脈波信号を検出
する脈波検出手段と、上記脈波検出手段により検出され
た各脈波信号の差分を検出する差分検出手段と、上記差
分検出手段による差分検出出力信号を脈波計測データと
して出力する出力手段とを備えて成ることを特徴とする
ものである。In order to achieve the above object, a pulse wave measuring apparatus according to the present invention converts a pulse wave signal of a right hand ulnar artery and a pulse wave signal of a left hand ulnar artery of a subject to be examined. Pulse wave detection means for detecting, difference detection means for detecting a difference between each pulse wave signal detected by the pulse wave detection means, and output means for outputting a difference detection output signal from the difference detection means as pulse wave measurement data And characterized in that:
【００００９】[0000]
【作用】本発明に係る脈波計測装置では、被検診者の右
手の尺骨動脈の脈波信号と左手の尺骨動脈の脈波信号を
脈波検出手段により検出し、各脈波信号の差分を差分検
出手段により検出し、その差分検出出力信号を脈波計測
データとして出力手段から出力する。In the pulse wave measuring device according to the present invention, the pulse wave signal of the ulnar artery of the right hand and the pulse wave signal of the ulnar artery of the left hand of the examinee are detected by the pulse wave detecting means, and the difference between the respective pulse wave signals is detected. The difference is detected by the difference detection means, and the difference detection output signal is output from the output means as pulse wave measurement data.
【００１０】[0010]
【実施例】以下、本発明に係る脈波計測装置の一実施例
について、図面に従い詳細に説明する。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the pulse wave measuring apparatus according to the present invention will be described below in detail with reference to the drawings.
【００１１】本発明に係る脈波計測装置は、例えば図１
に示すように構成される。この図１に示す脈波計測装置
は、被検診者の右手の尺骨動脈の脈波信号を検出する第
１の圧力センサ１Ｒと、左手の尺骨動脈の脈波信号を検
出する第２の圧力センサ１Ｌを備える。A pulse wave measuring apparatus according to the present invention is, for example, shown in FIG.
It is configured as shown in FIG. The pulse wave measuring device shown in FIG. 1 includes a first pressure sensor 1R for detecting a pulse wave signal of the ulnar artery of the right hand of the examinee and a second pressure sensor for detecting a pulse wave signal of the ulnar artery of the left hand. 1L.
【００１２】上記第１及び第２の圧力センサ１Ｒ，１Ｌ
は、それぞれ動脈脈波を検出して電気信号の波形に変換
するもので、例えば圧電形マイクロホン等の圧力電気変
換素子により構成され、各尺骨動脈の動脈脈波を圧力変
化として検出する。The first and second pressure sensors 1R, 1L
Are each configured to detect an arterial pulse wave and convert it into a waveform of an electric signal, and are constituted by, for example, a pressure-electric conversion element such as a piezoelectric microphone, and detect an arterial pulse wave of each ulnar artery as a pressure change.
【００１３】これら第１及び第２の圧力センサ１Ｒ，１
Ｌは、図２に示すように被検診者の両手首部分の尺骨動
脈２Ｒ，２Ｌ上に載置され、それぞれ加布帯３Ｒ，３Ｌ
によって押圧されることにより、手首部分の皮膚組織を
介して各尺骨動脈２Ｒ，２Ｌを閉塞する。The first and second pressure sensors 1R, 1R
L is placed on the ulnar arteries 2R and 2L of both wrists of the examinee as shown in FIG.
To close each ulnar artery 2R, 2L via the skin tissue of the wrist.
【００１４】なお、上記加布帯３Ｒ，３Ｌによる押圧力
は、図示しない空気袋への空気の注入・排気により制御
される。具体的には、上記押圧制御部１０により制御さ
れる図示しない空気ポンプにより空気がに注入され、ま
た、上記押圧制御部１０により制御される図示しない排
気バルブを介して排気されるようになっている。Note that the pressing force of the above-mentioned wrapping bands 3R and 3L is controlled by injecting and exhausting air into an air bag (not shown). Specifically, air is injected into the air by an air pump (not shown) controlled by the press control unit 10, and is exhausted through an exhaust valve (not shown) controlled by the press control unit 10. I have.
【００１５】上記右手の尺骨動脈の動脈脈波を検出する
第１の圧力センサ１Ｒは、その検出出力信号ＳR を最大
値検出回路４Ｒに供給する。そして、この最大値検出回
路４Ｒによる最大値検出出力がラッチ回路５Ｒを介して
減算器６に供給される。また、上記左手の尺骨動脈の動
脈脈波を検出する第２の圧力センサ１Ｌは、その検出出
力信号ＳL を最大値検出回路４Ｌに供給する。そして、
この最大値検出回路４Ｌによる最大値検出出力がラッチ
回路５Ｌを介して上記減算器６に供給される。[0015] The first pressure sensor 1R for detecting the arterial pulse wave of the right ulnar artery supplies the detection output signal S R to the maximum value detection circuit 4R. Then, the maximum value detection output from the maximum value detection circuit 4R is supplied to the subtractor 6 via the latch circuit 5R. The second pressure sensor 1L for detecting the arterial pulse wave of the left ulnar artery supplies the detection output signal SL to the maximum value detection circuit 4L. And
The maximum value detection output from the maximum value detection circuit 4L is supplied to the subtractor 6 via the latch circuit 5L.
【００１６】そして、上記減算器６は、上記ラッチ回路
５Ｒによるラッチ出力すなわち上記最大値検出回路４Ｒ
により検出された上記右手の尺骨動脈の動脈脈波の検出
出力信号ＳR の最大値と、上記ラッチ回路５Ｌによるラ
ッチ出力すなわち上記最大値検出回路４Ｌにより検出さ
れた上記右手の尺骨動脈の動脈脈波の検出出力信号Ｓ L
の最大値との差分を検出し、その差分検出出力信号を出
力装置７に供給する。The subtractor 6 is provided with the latch circuit.
5R, that is, the maximum value detection circuit 4R
Of arterial pulse waves of the ulnar artery of the right hand detected by
Output signal SRAnd the maximum value of the latch circuit 5L.
Output, that is, detected by the maximum value detection circuit 4L.
Output signal S of the arterial pulse wave of the right ulnar artery L
Difference from the maximum value, and outputs the difference detection output signal.
To the force device 7.
【００１７】このような構成の脈波計測装置では、計測
動作モードになると、上記押圧制御部１０により図示し
ない空気ポンプ及び排気バルブを制御して、上記加布帯
３Ｒ，３Ｌよる上記第１及び第２の圧力センサ１Ｒ，１
Ｌの押圧力を血流遮断状態から全通過状態まで徐々に変
化させる。これにより、上記第１及び第２の圧力センサ
１Ｒ，１Ｌは、血流遮断状態から全通過状態までの間
の、両手の尺骨動脈の動脈脈波を検出する。In the pulse wave measuring device having such a configuration, when the measurement operation mode is set, the air pressure pump and the exhaust valve (not shown) are controlled by the pressing control unit 10 so that the first and the second by the additional bands 3R and 3L are controlled. Second pressure sensor 1R, 1
The pressing force of L is gradually changed from the blood flow blocking state to the full passage state. Thus, the first and second pressure sensors 1R and 1L detect arterial pulse waves of the ulnar artery of both hands during the period from the blood flow blocking state to the full passage state.
【００１８】ここで、上記第１の圧力センサ１Ｒによる
右手の尺骨動脈の動脈脈波の検出出力信号ＳR の実測結
果を図３に示し、また、上記第２の圧力センサ１Ｌによ
る左手の尺骨動脈の動脈脈波の検出出力信号ＳL の実測
結果を図４に示すように、妊娠していない通常女性で
は、左右の尺骨動脈の動脈脈波に差が殆ど無い。これに
対し、妊娠女性では、上記第１の圧力センサ１Ｒによる
右手の尺骨動脈の動脈脈波の検出出力信号ＳR の実測結
果を図５に示し、また、上記第２の圧力センサ１Ｌによ
る左手の尺骨動脈の動脈脈波の検出出力信号ＳL の実測
結果を図６に示すように、左右の尺骨動脈の動脈脈波に
差が現れる。このような尺骨動脈の動脈脈波に左右差
は、妊娠女性の血流の抗進に伴う動脈の発達に起因する
もので、胎児の発育状況などを反映するものとなる。[0018] Here, the measured results of the detection output signal S R of the arterial pulse wave of the right hand of the ulnar artery by the first pressure sensor 1R shown in FIG. 3, also, the left ulnar by the second pressure sensor 1L the measurement results of the detection output signal S L of the arterial pulse wave of the artery as shown in FIG. 4, in the normal non-pregnant women, there is little difference in the arterial pulse wave of the left and right ulnar artery. In contrast, in pregnant women, the measured result of the detection output signal S R of the arterial pulse wave of the right hand of the ulnar artery by the first pressure sensor 1R shown in FIG. 5, also left by the second pressure sensor 1L of the measured results of the detection output signal S L of the arterial pulse wave of ulnar artery as shown in FIG. 6, a difference appears in the arterial pulse wave of the left and right ulnar artery. Such a left-right difference in the arterial pulse wave of the ulnar artery is caused by the development of the artery accompanying the anti-progression of the blood flow of the pregnant woman, and reflects the developmental state of the fetus and the like.
【００１９】そして、上記第１及び第２の圧力センサ１
Ｒ，１Ｌによる検出出力信号ＳR ，ＳL について、それ
らの最大値の差分値を上記減算器６により求めて上記出
力装置７によりその極性とともに数値表示する。The first and second pressure sensors 1
With respect to the detection output signals S R and S L by R and 1L, a difference value between the maximum values is obtained by the subtractor 6 and numerically displayed by the output device 7 together with its polarity.
【００２０】すなわち、この実施例の脈波計測装置で
は、脈波計測データとして尺骨動脈の動脈脈波の左右差
情報を非観血に得て、上記出力装置７に数値表示する。
従って、上記尺骨動脈の動脈脈波の左右差情報は、妊娠
の有無や胎児の発育状況などの判断に使用される。That is, the pulse wave measuring apparatus of this embodiment non-invasively obtains left-right difference information of arterial pulse waves of the ulnar artery as pulse wave measurement data, and numerically displays the information on the output device 7.
Therefore, the left-right difference information of the arterial pulse wave of the ulnar artery is used to determine the presence or absence of pregnancy, the state of development of the fetus, and the like.
【００２１】なお、この実施例では、２個の圧力センサ
１Ｒ，１Ｌを用いることにより、上記右手の尺骨動脈の
動脈脈波と左手の尺骨動脈の動脈脈波を同時に検出した
が、左右の動脈脈波の検出を同時に行わずに、１個の圧
力センサで交互に検出してラッチ回路にラッチするよう
にしてもよい。In this embodiment, the arterial pulse wave of the right ulnar artery and the artery pulse wave of the left ulnar artery are simultaneously detected by using the two pressure sensors 1R and 1L. The pulse wave may not be detected at the same time, but may be alternately detected by one pressure sensor and latched by the latch circuit.
【００２２】[0022]
【発明の効果】以上のように、本発明に係る脈波計測装
置では、被検診者の右手の尺骨動脈の脈波信号と左手の
尺骨動脈の脈波信号を脈波検出手段により検出し、各脈
波信号の差分を差分検出手段により検出し、その差分検
出出力信号を脈波計測データとして出力手段から出力す
るので、妊娠女性に見られる血流抗進に伴う動脈の発達
に起因する尺骨動脈の動脈脈波の左右差情報を非観血に
得ることができ、上記尺骨動脈の動脈脈波の左右差情報
を妊娠の有無や胎児の発育状況などの判断に使用するこ
とができる。As described above, in the pulse wave measuring device according to the present invention, the pulse wave signal of the ulnar artery of the right hand and the pulse wave signal of the ulnar artery of the left hand of the examinee are detected by the pulse wave detecting means. The difference between each pulse wave signal is detected by the difference detection means, and the difference detection output signal is output from the output means as pulse wave measurement data, so that the ulna caused by the development of arteries associated with blood flow resistance seen in pregnant women The left-right difference information of the arterial pulse wave of the artery can be obtained in a non-invasive manner, and the left-right difference information of the arterial pulse wave of the ulnar artery can be used to determine the presence or absence of pregnancy, the development of the fetus, and the like.
【図１】本発明に係る脈波計測装置の構成を示すブロッ
ク図である。FIG. 1 is a block diagram showing a configuration of a pulse wave measuring device according to the present invention.
【図２】図１に示した脈波計測装置における２個の圧力
センサの配設状態を示す斜視図である。FIG. 2 is a perspective view showing an arrangement state of two pressure sensors in the pulse wave measuring device shown in FIG.
【図３】図１に示した脈波計測装置において、妊娠して
いない通常女性の右手の尺骨動脈の動脈脈波を第１の圧
力センサにより実測した結果を示す検出出力信号の波形
図である。3 is a waveform diagram of a detection output signal showing a result of actually measuring an arterial pulse wave of the ulnar artery of the right hand of a non-pregnant female by the first pressure sensor in the pulse wave measuring device shown in FIG. .
【図４】図１に示した脈波計測装置において、妊娠して
いない通常女性の左手の尺骨動脈の動脈脈波を第２の圧
力センサにより実測した結果を示す検出出力信号の波形
図である。4 is a waveform diagram of a detection output signal showing a result of actually measuring an arterial pulse wave of the ulnar artery of the left hand of a non-pregnant female by the second pressure sensor in the pulse wave measuring device shown in FIG. .
【図５】図１に示した脈波計測装置において、妊娠女性
の右手の尺骨動脈の動脈脈波を第１の圧力センサにより
実測した結果を示す検出出力信号の波形図である。FIG. 5 is a waveform diagram of a detection output signal showing a result of actually measuring an arterial pulse wave of the ulnar artery of a right hand of a pregnant woman by a first pressure sensor in the pulse wave measuring device shown in FIG.
【図６】図１に示した脈波計測装置において、妊娠女性
の左手の尺骨動脈の動脈脈波を第２の圧力センサにより
実測した結果を示す検出出力信号の波形図である。6 is a waveform diagram of a detection output signal showing a result of actual measurement of an arterial pulse wave of the ulnar artery of a left hand of a pregnant woman by a second pressure sensor in the pulse wave measuring device shown in FIG.
１Ｒ，１Ｌ・・・・圧力センサ ４Ｒ，４Ｌ・・・・最大値検出回路 ５Ｒ，５Ｌ・・・・ラッチ回路 ６・・・・・・・・減算器 ７・・・・・・・出力装置 １０・・・・・・・押圧制御部 1R, 1L pressure sensor 4R, 4L maximum value detection circuit 5R, 5L latch circuit 6 subtractor 7 output device 10 Press control unit
フロントページの続き (56)参考文献 特開 平３−162827（ＪＰ，Ａ) 特開 平１−265941（ＪＰ，Ａ) 特開 昭52−30086（ＪＰ，Ａ) 実開 平３−703（ＪＰ，Ｕ) (58)調査した分野(Int.Cl.7，ＤＢ名) A61B 5/02 - 5/0295 Continuation of the front page (56) References JP-A-3-16227 (JP, A) JP-A-1-265941 (JP, A) JP-A-52-3086 (JP, A) JP-A-3-70386 (JP) , U) (58) Fields surveyed (Int. Cl. 7 , DB name) A61B 5/02-5/0295
Claims (1)
左手の尺骨動脈の脈波信号を検出する脈波検出手段と上
記脈波検出手段により検出された各脈波信号の差分を検
出する差分検出手段と、 上記差分検出手段による差分検出出力信号を脈波計測デ
ータとして出力する出力手段とを備えて成る脈波計測装
置。1. A pulse wave detecting means for detecting a pulse wave signal of the ulnar artery of the right hand and a pulse wave signal of the ulnar artery of the left hand of the examinee, and a difference between the pulse wave signals detected by the pulse wave detecting means. A pulse wave measuring device comprising: a difference detecting means for detecting; and an output means for outputting a difference detection output signal from the difference detecting means as pulse wave measurement data.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4107943A JP3070242B2 (en) | 1992-04-27 | 1992-04-27 | Pulse wave measurement device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4107943A JP3070242B2 (en) | 1992-04-27 | 1992-04-27 | Pulse wave measurement device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH05300884A JPH05300884A (en) | 1993-11-16 |
| JP3070242B2 true JP3070242B2 (en) | 2000-07-31 |
Family
ID=14471986
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4107943A Expired - Fee Related JP3070242B2 (en) | 1992-04-27 | 1992-04-27 | Pulse wave measurement device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3070242B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106691414A (en) * | 2017-02-06 | 2017-05-24 | 彭康明 | Double-wrist type human health detection mobile terminal |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112603272A (en) * | 2020-12-24 | 2021-04-06 | 中科彭州智慧产业创新中心有限公司 | Pulse condition fast distinguishing detector |
-
1992
- 1992-04-27 JP JP4107943A patent/JP3070242B2/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106691414A (en) * | 2017-02-06 | 2017-05-24 | 彭康明 | Double-wrist type human health detection mobile terminal |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH05300884A (en) | 1993-11-16 |
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