JPS61222436A - Apparatus for measuring electrocardiograph - Google Patents
Apparatus for measuring electrocardiographInfo
- Publication number
- JPS61222436A JPS61222436A JP60065584A JP6558485A JPS61222436A JP S61222436 A JPS61222436 A JP S61222436A JP 60065584 A JP60065584 A JP 60065584A JP 6558485 A JP6558485 A JP 6558485A JP S61222436 A JPS61222436 A JP S61222436A
- Authority
- JP
- Japan
- Prior art keywords
- electrode
- switch
- measuring
- lead
- amplifier
- 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.)
- Pending
Links
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は、心電図計測装置、特に時分割方式による心電
図計測装置に関するものである。DETAILED DESCRIPTION OF THE INVENTION [Industrial Field of Application] The present invention relates to an electrocardiogram measuring device, and particularly to a time-sharing electrocardiogram measuring device.
本発明は、心電図計測において、第１誘導計測時はＦ電
極、第■誘導計測時はＬ電極、第１誘導計測時はＲ電極
がそれぞれニュートラル（コモン）ｍ極となるように差
動増幅器に対する入力を高速で順次切換えることにより
、３個の電極及び３本の誘導コードのみで第■、第■及
び第ＩＩＩ誘導を同時に計測できるようにしたものであ
る。In electrocardiogram measurement, the present invention is directed to a differential amplifier so that the F electrode becomes the neutral (common) m pole when measuring the first lead, the L electrode when measuring the lead ①, and the R electrode when measuring the first lead. By switching the inputs sequentially at high speed, it is possible to simultaneously measure leads ①, ②, and Ⅲ using only three electrodes and three lead cords.
心電図の誘導法のなかに標準肢銹導というのがあり、そ
の場合の誘導部位及び極性は次のように定められている
。Among the electrocardiogram guidance methods, there is a standard limb induction method, and in that case, the induction site and polarity are determined as follows.
上記のような第１〜第ＩＩＩ誘導を同時に計測する場合
、従来第３図のように接続して計測を行っていた。第３
図において、１．ＩＩ及び■はそれぞれ第■、第■及び
第ＩＩＩ誘導、Ｒは右手電極、Ｌは左手電極、Ｆは左足
電極、Ｎはニュートラル電極、Ａ１．Ａ２及びＡ３はそ
れぞれＷｒｌ、ｆｔＮＩ及び第ＩＩＩ差動増幅器、その
（−）は反転大刀、（Ｎ）は中性入力１．、、、（＋
）は非反転入力を示す。 。When measuring the first to third leads as described above at the same time, conventionally the measurement was performed by connecting as shown in FIG. 3. Third
In the figure, 1. II and ■ are the leads ■, ■, and III, respectively, R is the right hand electrode, L is the left hand electrode, F is the left foot electrode, N is the neutral electrode, A1. A2 and A3 are Wrl, ftNI and III differential amplifier respectively, their (-) is an inverted long sword, and (N) is a neutral input 1. ,,,(+
) indicates non-inverting input. .
□、従°来方法は、４竺極方式で連続又は時分割のいず
れでも実施可能であるが、４個の電極及び１本の誘導コ
ードを必要とする欠点がある。本発明は、３個の電極及
び３本の誘導コードのみで第■〜第ＩＩＩ誘導を同時に
測定しうる装置を提供、すうとするものである。□The conventional method can be carried out either continuously or in a time-sharing manner in a four-pole system, but has the drawback of requiring four electrodes and one inductive cord. The present invention aims to provide an apparatus capable of simultaneously measuring leads (1) to (3) using only three electrodes and three lead cords.
第１、第「及び第ＩＩＩ誘導計測時に信号を順次高速で
切換えると共に、第■誘導計測時はＦ電極、第■銹導計
測時はＬ電極、第ＩＩＩ銹導計測時はＲ電極がそれぞれ
ニュートラル電極となるように差動増幅器の中性入力を
第１〜第ＩＩＩ誘導計測と同期して高速で切換えること
により、上記の目的を連成した。The signals are sequentially switched at high speed when measuring the 1st, 1st and 3rd leads, and the F electrode is neutral when measuring the 1st lead, the L electrode is neutral when measuring the 2nd rust conduction, and the R electrode is neutral when measuring the 3rd rust conduction. The above objectives were coupled by switching the neutral input of the differential amplifier to act as an electrode at high speed in synchronization with the measurements of leads 1 to 3.
上記手段により、第■誘導計測時は（＋）にＬ電極、（
−）にＲ電極、第■誘導計測時は（＋）にＦ電極、（−
）にＲ電極、第ＩＩＩ誘導計測時は（＋）にＦ電極、（
−）にＬ電極と規定どおりの誘導部位及び極性の計測信
号が得られる。By the above means, when measuring lead ①, the L electrode is connected to (+), and the (
-) is the R electrode, when measuring lead Ⅰ, the F electrode is (+), (-
) is the R electrode, when measuring lead III, the F electrode is (+), and (
-), a measurement signal of the L electrode and the prescribed induction site and polarity can be obtained.
５．〔実施例〕
以下、図面により本発明の好適な実施例を説明゛ す
る。5. [Embodiments] Hereinafter, preferred embodiments of the present invention will be described with reference to the drawings.
第１図は本発明の第１の実施例、第２図は本発明の第２
の実施例を示す接続図である。これらの図において、第
３図と対応する部分には同一の符号を付しである。第１
図は１個の共通差動増幅器、 と３個の連動スイッ
チ、第２ｒ！！Ｊは３個の差動増幅器と２個や連動スイ
ッチを用いる例を示す。FIG. 1 shows a first embodiment of the present invention, and FIG. 2 shows a second embodiment of the present invention.
It is a connection diagram showing an example of. In these figures, parts corresponding to those in FIG. 3 are given the same reference numerals. 1st
The figure shows one common differential amplifier, and three interlocking switches, the second r! ! J shows an example using three differential amplifiers and two or interlocking switches.
第１図において、Ａｏは共通の差動増幅器、Ｓｏ。In FIG. 1, Ao is a common differential amplifier, So.
Ｓｌ及びＳ’２は連動スイッチを示す。スイッチ８１山
は増幅器Ａｏの（−）入力を切換えるもので、その固定
接点Ｉ、■、■は順次Ｒ，Ｒ，Ｌ電極に接続する。スイ
・歩チＳ２は増幅器Ａｏの（＋）入力を切換えるもので
、その固定接点■、■、■は順次り、 Ｆ、 Ｆ電
極に接続する。スイッチＳｏは増幅器Ａｏの（Ｎ）入力
を切換えるもので、その固定接点Ｉ、■、■は順次Ｆ、
Ｌ、Ｒ電極に接続する。そして、スイッチＳｉの可動接
点は共通増幅器Ａｏの（−）入力に、スイッチＳ２の可
動接点は同増幅器Ａｏの（＋）入力に、スイッチシの可
動接点は同増幅ｍＡｏの（Ｎ）入力に接続する。Sl and S'2 indicate interlocking switches. The switch 81 is for switching the (-) input of the amplifier Ao, and its fixed contacts I, ■, ■ are connected to the R, R, and L electrodes in sequence. The switch S2 is for switching the (+) input of the amplifier Ao, and its fixed contacts ■, ■, ■ are sequentially connected to the F and F electrodes. The switch So switches the (N) input of the amplifier Ao, and its fixed contacts I, ■, ■ are sequentially connected to F,
Connect to L and R electrodes. The movable contact of the switch Si is connected to the (-) input of the common amplifier Ao, the movable contact of the switch S2 is connected to the (+) input of the common amplifier Ao, and the movable contact of the switch Si is connected to the (N) input of the common amplifier mAo. do.
これらのスイッチ５ｏ＝３２は、図示しない制御装置に
より同期して動作させる。すなわち、各スイッチＳｏ〜
Ｓ２の可動アームを十分な高−で移動させて例えばＩＩ
Ｉ、■の順に固定接点を切換えさせ、これを繰返す。可
動アームが図の■位置では、第■誘導計測時の所定誘導
部位より所定の極性で共通増幅器Ａｏに信号が入力され
る。すなわち、Ｒ電極が（−）に、Ｌ電極が（＋）に、
Ｆ電極が（Ｎ）に接続される。可動アームが■の位置に
くると、第■誘導計測時の誘導部位より所定の極性で共
通増幅器Ａｏに信号が入力される。These switches 5o=32 are operated synchronously by a control device (not shown). That is, each switch So~
For example, by moving the movable arm of S2 at a sufficient height,
Switch the fixed contacts in the order of I and ■, and repeat this process. When the movable arm is in the position (2) in the figure, a signal is inputted to the common amplifier Ao with a predetermined polarity from a predetermined guiding portion during the measurement of the (1)th lead. That is, the R electrode becomes (-), the L electrode becomes (+),
The F electrode is connected to (N). When the movable arm comes to the position (■), a signal is inputted to the common amplifier Ao with a predetermined polarity from the induction site at the time of measurement of the (1)th lead.
同様にして、可動アームが■の位置では、第ＩＩＩ誘導
針測時の誘導部位より所定の極性で信号が入力される。Similarly, when the movable arm is in the position ■, a signal with a predetermined polarity is inputted from the guidance site during the third lead measurement.
したがって、共通増幅器Ａｏの出や端より、第１−７第
ＩＩＩ誘導計岬１信号が時分割された１系列の信号とし
て得られる。この時分割信号に基づいて各誘導毎の表示
及び記録が可能であることば、いうまでもない。４お、
連動スイッチＳＯ”Ｓ２は、可動アームにより固定接点
を切換える機械的スイッチ止して図示したが、実際は電
子スイッチと、する。この場合、スイッチ切換信号の周
波数は例えば数ｋＱｚ程度とする。Therefore, the 1st to 7th induction meter cape 1 signals are obtained as one series of time-divided signals from the output and end of the common amplifier Ao. Needless to say, it is possible to display and record each lead based on this time-division signal. 4 Oh,
Although the interlocking switch SO''S2 is illustrated as a mechanical switch that switches fixed contacts using a movable arm, it is actually an electronic switch. In this case, the frequency of the switch switching signal is, for example, about several kQz.
第２図において、３１１１ｉ＋の増幅器Ａ１〜Ａ３は第
３図の第■〜第ＩＩＩ羞動増幅器Ａ１〜八つと全く同じ
もので、これらの増幅器の各入力に対する接続も大体間
しである。すなわち、増幅器Ａ１には第１誘導部位を所
定の極性で接続し、増幅器Ａ２．には第■誘導部位を所
定の極性で接続し、増幅器Ａ３には第ＩＩＩ誘導部位を
所定の極性で接続する。ただ、これらの増幅器Ａ１〜Ａ
３の（Ｎ）入力のみは、連動スイッチＳ、ｏの可動接点
に共通接続する。連動スイッチＳ１の固定接点■、■、
■には、それれぞれ増幅器Ａｌ 、Ａ２ 、Ａ３の出力
端を接続する。連動スイッチＳｏの固定接点■、■、■
には、それぞれＦ電極、Ｌ電極、Ｒ電極を接続する。In FIG. 2, the amplifiers A1 to A3 of the 3111i+ are exactly the same as the photovoltaic amplifiers A1 to A1 to III in FIG. 3, and the connections to the respective inputs of these amplifiers are also roughly the same. That is, the first induction part is connected to the amplifier A1 with a predetermined polarity, and the amplifier A2 . The 1st lead part is connected to the amplifier A3 with a predetermined polarity, and the 3rd lead part is connected to the amplifier A3 with a predetermined polarity. However, these amplifiers A1 to A
Only the (N) input of No. 3 is commonly connected to the movable contacts of the interlocking switches S and o. Fixed contacts of interlocking switch S1 ■, ■,
(2) are connected to the output terminals of amplifiers Al, A2, and A3, respectively. Fixed contacts of interlocking switch So■,■,■
An F electrode, an L electrode, and an R electrode are connected to the electrodes, respectively.
連動スイッチＳｏ及びＳｌは、図示しない制御装置によ
って順次Ｉから■、■へと繰返し固定接点が切換えられ
る。図の１位置では、Ｆ電極がニュートラル電極となっ
ている。■の位置ではＩ、電極がニュートラル電極とな
り、■の位置ではＲ電極がニュートラル電極となってい
る。したがって、繰返し切換え速度を十分早くすれば、
スイッチＳ１の可動接点側には時分割された第１−第Ｉ
ＩＩ誘導計測信号が得られる。The fixed contacts of the interlocking switches So and Sl are repeatedly switched sequentially from I to ■ to ■ by a control device (not shown). In position 1 in the figure, the F electrode is the neutral electrode. At the position (2), the I electrode becomes a neutral electrode, and at the position (2), the R electrode becomes a neutral electrode. Therefore, if the repeat switching speed is made fast enough,
The movable contact side of the switch S1 has time-divided 1st to 1st
A II lead measurement signal is obtained.
以上説明したとおり、本発明によれば、３個の電極及び
３本の誘導コードのみで時分割方式により第１１第■及
び第ＩＩＩ誘導を同時に計測することができるので、測
定装置の低コスト化及び測定操作の簡略化を計ることが
できる。As explained above, according to the present invention, it is possible to simultaneously measure the 11th lead (2) and the lead III using only three electrodes and three lead cords in a time-sharing manner, thereby reducing the cost of the measuring device. and the measurement operation can be simplified.
第１図は本発明の第１の実施例を示す接続図、第２図は
本発明の第２の実施例を示す接続図、第３図は従来例を
示す接続図である。
Ｒ，Ｌ及びＦ・・−３電極、Ａｏ 、 Ａｔ 、 Ａ２
及びＡ３ ・・・差動増幅器、Ｓｌ及びＳ２ ・・・誘
導計測信号を順次切換えるスイッチ、Ｓｏ ・・・差
動増幅器の中性入力を順次切換えるスイッチ。FIG. 1 is a connection diagram showing a first embodiment of the present invention, FIG. 2 is a connection diagram showing a second embodiment of the invention, and FIG. 3 is a connection diagram showing a conventional example. R, L and F...-3 electrodes, Ao, At, A2
and A3...Differential amplifier, Sl and S2...Switch that sequentially switches the induction measurement signal, So...Switch that sequentially switches the neutral input of the differential amplifier.
Claims (1)
力をもつ少なくとも１つの差動増幅器と、第 I 、第II
及び第III誘導計測時に信号を順次高速で切換えるスイ
ッチと、第 I 誘導計測時にＦ電極、第II誘導計測時に
Ｌ電極、第III誘導計測時にＲ電極を上記増幅器の中性
入力に順次切換えて接続するスイッチとを具え、上記ス
イッチを連動とし時分割された計測信号を得ることを特
徴とする心電図計測装置。at least one differential amplifier having three electrodes R, L and F and three inputs of inverting, non-inverting and neutral;
and a switch that sequentially switches signals at high speed when measuring lead III, and connects the F electrode when measuring lead I, the L electrode when measuring lead II, and the R electrode when measuring lead III to the neutral input of the amplifier. 1. An electrocardiogram measuring device comprising: a switch for controlling the electrocardiogram, and obtaining a time-divided measurement signal by interlocking the switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60065584A JPS61222436A (en) | 1985-03-29 | 1985-03-29 | Apparatus for measuring electrocardiograph |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60065584A JPS61222436A (en) | 1985-03-29 | 1985-03-29 | Apparatus for measuring electrocardiograph |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61222436A true JPS61222436A (en) | 1986-10-02 |
Family
ID=13291200
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP60065584A Pending JPS61222436A (en) | 1985-03-29 | 1985-03-29 | Apparatus for measuring electrocardiograph |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61222436A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002282230A (en) * | 2001-03-23 | 2002-10-02 | Fukuda Denshi Co Ltd | Biological information collecting device, biological information data processing device and method of processing |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5644745A (en) * | 1979-09-17 | 1981-04-24 | Riken Corp | Sintered alloy for internal combustion engine valve seat and its manufacture |
-
1985
- 1985-03-29 JP JP60065584A patent/JPS61222436A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5644745A (en) * | 1979-09-17 | 1981-04-24 | Riken Corp | Sintered alloy for internal combustion engine valve seat and its manufacture |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002282230A (en) * | 2001-03-23 | 2002-10-02 | Fukuda Denshi Co Ltd | Biological information collecting device, biological information data processing device and method of processing |
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