JP3465327B2 - Heart radio wave detection device, heart radio wave detection system, and pulse calculation device - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electrocardiographic detection device and an electrocardiogram.
The present invention relates to a wave detection system and a pulse calculation device .

[0002]

2. Description of the Related Art Constant monitoring of cardiac radio waves and pulse is important for proper treatment and rehabilitation of patients in hospitals and the like.

Therefore, conventionally, detection electrodes are attached to two places of the human body which sandwich the heart, and the detection electrodes detect the heart waves generated at the same time as the pulsation of the heart, and the time intervals of the heart waves detected by the detection electrodes are set. A pulse detection device has been proposed that calculates the pulse rate by converting it into the number of times per minute. This pulse detection device displays the calculated pulse as the pulse rate, and issues an alarm when the pulse is excessive, insufficient, or missing.

[0004]

However, in such a conventional electrocardiographic wave detecting device, the electrocardiographic wave is detected by a pair of detection electrodes attached to the human body, and the detection result of this detection electrode is normal. It was designed to calculate the pulse rate, display it, and generate an alarm without checking whether or not it is, so the detection electrode is not properly contacting the human body and the heart wave is detected normally. Even if it is not, the detection electrode is properly contacting the human body to detect an electrocardiographic signal, but the human body makes a sudden movement to detect an appropriate electrocardiographic signal. Even if it cannot be said, there is a possibility that the detection result may be displayed or an alarm may be issued based on the detection result of the detection electrode, and appropriate detection may not be performed.

Therefore, according to the present invention, by detecting whether or not the detection of the electrocardiographic wave is normally performed by the detection electrode,
Heart wave detector that can detect heart waves accurately, heart wave detection
It is an object to provide a system and a pulse calculation device .

[0006]

According to a first aspect of the present invention, there is provided an electrocardiographic wave detecting device, wherein an electrocardiographic wave generated by pulsation of a heart is detected by a pair of electrodes in contact with different parts of a human body to measure the electrocardiographic wave. In an electrocardiogram detector, each electrode is attached to the human body.
A first electrode to be attached and a second electrode to be attached to and detached from the first electrode
Of the first electrode and the second electrode.
Whether or not the human body has moved can be detected by checking the connectivity with
The body movement detecting means to be emitted and the
The movement of the human body was detected by the body movement detecting means.
If the above-mentioned cardiac radio waves are not measured normally,
The above-mentioned object is achieved by the provision of a notification means for making a notification .

According to a third aspect of the electrocardiographic detection system of the present invention,
By contacting the pair of electrodes with different parts of the human body,
The electrocardiogram generated with this is detected, and the detected electrocardiogram is detected.
A detection device for transmitting as an electromagnetic induction signal, and the electromagnetic induction
It receives the heart wave transmitted as a signal and monitors the condition of the human body.
An electrocardiographic detection system consisting of a monitoring device for viewing
In, each electrode is a first electrode worn on the human body,
This first electrode is divided into a second electrode that is detached,
The detection device includes a contact between the first electrode and the second electrode.
Detects whether the human body has moved by examining continuity
The body movement detecting means and the body movement when detecting the cardiac wave.
When the movement of the human body is detected by the detection means
It is assumed that the above-mentioned cardiac radio waves have not been measured normally.
Achieve the above-mentioned objectives by providing notification means to know
is doing. The pulse calculation device according to claim 5 is a human body.
The first electrode attached to and detached from this first electrode
Attach a pair of electrodes consisting of a second electrode to different parts of the human body
Detects electrocardiographic waves generated by contact with the heart pulsation
Heart wave detection means and this heart wave detection means
Calculating means for calculating the pulse rate based on the cardiac radio waves that have been
Check the connectivity between the first electrode and the second electrode.
Body motion detection means for detecting whether or not the human body has moved by
When detecting the heart wave, the body movement detection means
When it is detected that the human body has moved, the computing means
Calculating means for stopping the calculation of the pulse rate
The calculation was stopped when the calculation was stopped by the stopping means.
By providing the notification means for notifying the effect,
Has achieved the goal.

[0008]

According to the electrocardiographic detection device of claim 1, the heart is
The electrocardiographic waves generated by the pulsation of the human body are exposed to different parts of the human body.
An electrocardiogram that measures the electrocardiogram by detecting it with a pair of touched electrodes
In the detection device, each electrode is the first one worn on the human body.
Split into an electrode and a second electrode that separates from this first electrode
And check the connectivity between the first electrode and the second electrode.
Body movement detection hand that detects whether or not the human body has moved by
The human body movement detection means
Normal measurement of heart wave when movement of the body is detected
And notification means to notify that it has not been done to
Now, check the connectivity between the first electrode and the second electrode.
This ensures that the electrodes will contact the human body and
Surely and clearly whether or not the decision was made correctly
I can know.

According to the electrocardiographic detection system of claim 3,
For example, contact a pair of electrodes with different parts of the human body to
Detects the electrocardiogram generated by the pulsation and detects this
A detector that transmits radio waves as an electromagnetic induction signal and an electromagnetic induction
Receives the cardiac wave transmitted as a conduction signal to check the condition of the human body.
An electrocardiogram detection system consisting of a monitoring device for monitoring
In the detection device, each electrode is attached to the human body
A first electrode and a second electrode that is attached to and detached from the first electrode
The detection device is divided into the first electrode and the second electrode.
Did the human body move by examining the connectivity with the second electrode?
Body movement detecting means for detecting whether or not, and detecting the cardiac radio waves
At this time, it is detected that the human body has moved by the body movement detecting means.
If it is emitted, the above-mentioned cardiac radio wave measurement has not been performed normally.
Since it has a notification means for notifying as
By checking the connectivity between the second electrode and the
Accurate measurement of electrocardiographic waves by ensuring that the poles contact the human body
Can be surely and clearly known whether or not
It In addition, it is possible to accurately measure cardiac radio waves.
On the other hand, the condition of the human body is constantly measured based on accurate measured electrocardiographic waves.
The condition can be monitored. The pulse calculation device according to claim 5.
According to the device, the first electrode attached to the human body and the first electrode
A pair of electrodes that consist of
Occurs with the pulsation of the heart by contacting different parts of the body
Heart wave detection means for detecting heart wave
Calculates the pulse rate based on the cardiac wave detected by the method
Of the calculation means, the first electrode and the second electrode
Detects whether the human body has moved by checking connectivity
Body movement detection means for detecting
Before when the moving means detects that the human body has moved
Calculation stopping means for stopping the calculation of the pulse rate by the calculating means
And when the calculation is stopped by the calculation stopping means,
And a notification means for notifying that the calculation has been stopped.
In order to investigate the connectivity between the first electrode and the second electrode
This ensures that the electrodes will come into contact with the human body and
It is necessary to know for sure and clearly whether it was done properly.
You can It also calculates the pulse rate based on accurate cardiac radio waves.
can do.

Therefore, between the first electrode and the second electrode
Checking the connectivity ensures that the electrodes are in contact with the human body.
Whether or not the heart wave is detected, that is,
It is possible to detect whether there is any abnormality in the detection.
it can.

[0011]

Embodiments of the present invention will be described below with reference to the drawings.

FIG. 1 and FIG. 2 are views showing an embodiment of the electrocardiographic detection device of the present invention.

First, the structure will be described.

FIG. 1 is a circuit block diagram of an embodiment of the electrocardiographic wave detection device of the present invention. The electrocardiographic wave detection device 1 includes electrocardiographic wave detection electrodes 2a and 2b, an amplifier 3, a waveform shaping circuit 4, and an AND circuit. 5, an acceleration sensor 6, an amplifier 7, a waveform shaping circuit 8, an oscillator 9, a frequency dividing circuit 10, a latch circuit 11, a control unit 12, a display drive unit 13, a display unit 14, and the like.

The electrocardiographic wave detection electrodes 2a and 2b are attached to different parts of the body with the heart of the subject sandwiched therebetween, detect electrocardiographic waves emitted from the heart of the subject, and output them to the amplifier circuit 3. Specifically, the cardiac radio wave detection electrodes 2a and 2b use one of the plus electrodes and the other of the minus electrodes to detect a pulsed potential difference (cardiac potential) generated by the pulsation of the heart,
The detected cardiac potential signal is output to the amplifier circuit 3.

The amplifier circuit 3 includes the cardiac wave detection electrodes 2a and 2b.
The pulse-shaped electrocardiographic signal input from is amplified and output to the waveform shaping circuit 4.

The waveform shaping circuit 4 is provided with a filter, extracts the R wave from the cardiac potential signal input from the amplifier circuit 3, and shapes the rectangular wave into a rectangular wave signal and outputs it to the AND circuit 5.

The acceleration sensor 6 is a human body of the subject, particularly,
It is attached to the human body near the cardiac radio wave detection electrodes 2a, 2b or near the heart, detects abrupt body movement of the subject (hereinafter referred to as body movement), and outputs an acceleration signal to the amplification circuit 7. Output.

The amplifier circuit 7 amplifies the acceleration signal input from the acceleration sensor 6 and outputs it to the waveform shaping circuit 8.

The waveform generating circuit 8 normally outputs a high detection signal to the AND circuit 5 and the control section 12, and when the acceleration signal is input from the amplifier circuit 7, the high detection signal is kept low for a predetermined period. Switch.

When the high detection signal is input from the waveform shaping circuit 8, the AND circuit 5 outputs the cardiac radio wave signal input from the waveform shaping circuit 4 to the latch circuit 11 as a latch signal, and also the control unit 12 When the detection signal is switched to low, the latch circuit 11 for the cardiac wave signal input from the waveform shaping circuit 4 is output only while the detection signal is low.
Also, the output to the control unit 12 is prohibited.

Therefore, the acceleration sensor 6, the amplifier 7 and the waveform shaping circuit 8 as a whole function as abnormality detecting means for detecting whether or not the detection of the cardiac wave by the cardiac wave detection electrodes 2a, 2b is normally performed. .

The oscillator 9 generates a pulse signal having a predetermined frequency and outputs the pulse signal to the frequency dividing circuit 10. The frequency dividing circuit 10 divides the pulse signal input from the oscillator 9 to generate a clock signal having a predetermined frequency. Output to the latch circuit 11.

The latch circuit 11 is arranged such that the frequency dividing circuit 1 is provided between the rising timing of the latch signal input from the AND circuit 5 and the rising timing of the next latch signal.
The clock signal input from 0 is counted, and the count value PTn [sec] is output to the control unit 12 at the rising timing of the latch signal input from the AND circuit 5.

The control unit 12 includes a CPU (Central Processi).
ng Unit), ROM (Read Only Memory) and RAM
(Random Access Memory), etc., while the CPU uses the RAM as a work memory, it controls each part of the electrocardiographic wave detection device 1 according to the program stored in the ROM to perform electrocardiographic wave detection processing and abnormality processing. To do.

Specifically, when a high detection signal is input from the waveform shaping circuit 8, the control unit 12 outputs the count value PTn input from the latch circuit 11 to the cardiac radio wave signal input from the AND circuit 5. The pulse rate is calculated from the captured count value PTn, and the calculated pulse rate is output to the display unit 14 via the display drive unit 13. Further, when the detection signal input from the waveform shaping circuit 8 becomes low, the controller 12 prohibits the latch circuit 11 from taking in the detection signal while the detection signal is low, and at the same time, detects the pulse rate during the detection signal being low. The calculation is canceled, and the fact that the detection of the cardiac wave is not normal is displayed and output on the display unit 14.

Therefore, the AND circuit 5 and the control unit 12 invalidate the cardiac wave measured during the period when the cardiac wave measurement is not normal when the cardiac wave detection by the cardiac wave detection electrodes 2a and 2b is not normal. It functions as a correction means.

The calculation of the pulse rate HR by the control unit 12 is performed by the following equation.

HR = 60 / (PTn-PTn-1) Here, PTn is the count value fetched from the latch circuit 11 this time, and PTn-1 is the count value fetched from the latch circuit 11 last time.

The display drive section 13 outputs a display drive signal to the display section 14 based on the display data input from the control section 12 to drive the display section 14 for display.

As the display unit 14, for example, a liquid crystal display device is used, and the pulse rate calculated and the cardiac radio wave detection electrodes 2a, 2 are calculated.
Character information indicating that the detection by b is not normally performed is displayed.

Therefore, the display section 14 functions as an alarm means for issuing an alarm when the detection of the cardiac wave by the cardiac wave detection electrodes 2a, 2b is not normal.

Next, the operation of this embodiment will be described.

The electrocardiographic wave detection device 1 detects electrocardiographic waves associated with the pulsation of the human body's heart by means of the electrocardiographic wave detection electrodes 2a, 2b attached to the human body with the heart sandwiched between them, and after amplifying them by the amplifier 3, the waveform shaping circuit. Output to 4. The waveform shaping circuit 4 shows the cardiac waves detected by the cardiac wave detection electrodes 2a and 2b in FIG.
The waveform is shaped into a rectangular wave as shown in and output to the AND circuit 5.

When the high detection signal is input from the waveform shaping circuit 8, the AND circuit 5 opens the gate and outputs the cardiac radio wave signal input from the waveform shaping circuit 4 to the latch circuit 11, and the latch circuit 11 Counts the clock signals input from the frequency dividing circuit 10 during that period and outputs the count value PTn to the control unit 12 at the rising timing of the cardiac radio signal.

The control unit 12 calculates the pulse rate HR based on the above equation from the difference between the count values PTn sequentially input from the latch circuit 11, and the calculated pulse rate HR is displayed on the display unit via the display drive unit 13. The display output is made on 14.

However, if the subject moves suddenly, as shown in FIG.
Noise is generated in the electrocardiogram detected by b, or the electrocardiogram detection electrodes 2a, 2b detect abnormal electrocardiogram, and the electrocardiogram detected during such a sudden movement is used for detection of electrocardiogram. You cannot do it.

Therefore, the cardiac radio wave detection apparatus 1 of this embodiment is
The acceleration sensor 6 attached to the human body detects a sudden movement of the human body, amplifies it by the amplifier 7, and then outputs it to the waveform shaping circuit 8 as an acceleration signal. When the acceleration signal is not input from the amplifier 7, the waveform shaping circuit 8 operates as shown in FIG.
As shown in (B), a high detection signal is output to the AND circuit 5 and the control unit 12, but when the acceleration signal is input from the amplifier 7, the acceleration signal is input at the timing (see FIG. 2B). While the acceleration signal is being input from the timing (t), the detection signal is switched to low and output to the AND circuit 5 and the control unit 12.

When the detection signal switches from high to low, the AND circuit 5 closes its gate to prohibit output of the cardiac radio signal detected by the cardiac radio wave detection electrodes 2a and 2b to the latch circuit 11 during this period. .

After that, when the abrupt body movement of the subject disappears, the detection signal output from the waveform shaping circuit 8 switches from low to high as shown in FIG.
Is opened again, and thereafter, a cardiac radio signal by the cardiac radio waves detected by the cardiac radio wave detection electrodes 2a, 2b is input from the waveform shaping circuit 4 to the latch circuit 11 via the AND circuit 5.

When the cardiac radio signal is input from the AND circuit 5, the latch circuit 11 outputs the count value PT4 to the control unit 12 at the rising timing of this cardiac radio signal.

However, the control unit 12 controls the waveform shaping circuit 8
When a low detection signal is input from the
It is determined that an abnormality has occurred in the detection of the cardiac radio waves in a and 2b, and the calculation of the pulse rate HR during the period when the low detection signal is input is canceled. That is, the control unit 12 operates as shown in FIG.
In (B), the calculation of the pulse during the period when the detection signal becomes low (the period from the count value PT3 to the count value PT4 in FIG. 2C) is stopped, and the accuracy of the calculation of the pulse rate is improved. Further, when the low detection signal is input, the control unit 12 determines that an abnormality has occurred in the detection of an electrocardiographic wave, and an abnormality has occurred in the detection of the electrocardiographic wave on the display unit 14, and the pulse rate during that period. The information indicating that the HR calculation has been stopped is displayed.

As described above, according to the present embodiment, the pair of cardiac wave detection electrodes 2a and 2b detect the cardiac wave generated by the pulsation of the heart which is brought into contact with different parts of the human body. Since the acceleration sensor 6 detects whether or not the detection electrodes 2a and 2b have normally detected the cardiac wave, it is possible to notify the occurrence of an abnormality or invalidate the cardiac wave when the abnormality occurs. Therefore, the pulse rate HR can be accurately measured.

3 to 11 are views showing another embodiment of the cardiac radio wave detection apparatus of the present invention, which is applied to a pulse monitoring system.

First, the structure will be described.

FIG. 3 is a block diagram showing the configuration of a pulse monitoring system to which another embodiment of the electrocardiographic wave detecting device of the present invention is applied. Pulses of a plurality of subjects (for example, a plurality of patients in a hospital). It is a pulse monitoring system that monitors simultaneously.

In FIG. 3, the pulse monitoring system 20 is
A plurality of shirts 21 for detecting and transmitting cardiac radio waves, a plurality of wristwatches 22 provided in the same number as the shirts 21 for receiving cardiac radiowave data transmitted from each shirt 21, and each wristwatch 2
2 includes a receiver 23 that receives the pulse data transmitted by the receiver 2, and a monitoring device 24 that centrally manages the biological condition of the patient to whom the shirt 21 is attached based on the pulse data received by the receiver 23. .

Hereinafter, the shirt 21, the wristwatch 22, and the receiver 2
3 and the configuration of the monitoring device 24 will be sequentially described.

<Structure of Shirt 21> As shown in FIG. 4, each shirt 21 is formed in a running shirt form and is worn by a plurality of examinees. As shown in FIG. 4, each shirt 21 is provided with a pair of electrodes 30 and 31 at positions on the left and right underarms.
When the shirt 21 is worn on the body of the subject, 31 contacts the skin of the human body wearing the shirt 21 and detects electrocardiographic waves emitted from the heart of the subject. An electronic circuit 32 is attached to the hem of each shirt 21, and the electrodes 30 and 31 are connected to the electronic circuit 32 by lead wires 33a and 33b.

As shown in FIG. 5, the electrodes 30 and 31 are respectively a pair of electrodes 30b as a first electrode and a second electrode 30b.
An electrode 30a as an electrode and a pair of first electrodes respectively
Electrodes 31b, 31a as a pair of second electrodes, respectively
It consists of and. The electrodes 30a and 31a include disc-shaped collar portions 34, 35 formed of a conductor, and the collar portions 34, 35.
A columnar protrusion 36 formed of a conductor at the center of 35,
37, the collar portion 34, the protrusion 36, and the collar portion 35.
The protrusion 37 and the protrusion 37 are insulated from each other. Also, the collar part 3
4 and the collar portion 35 are respectively insulated from each other by the collar portions 34 in a state of being insulated by the insulating members 38 and 39 that pass through the central portion thereof in the radial direction.
It is divided into a and 34b and collar portions 35a and 35b.
Further, the protrusions 36 and 37 have holes (not shown) formed in their lower surfaces (surfaces on the electrodes 30b and 31b side).

The electrodes 30b and 31b are provided with disk-shaped collar portions 40 and 41 made of a conductor, and columnar protrusions 42 and 43 made of a conductor at the center of the collar portions 40 and 41. The collar 40 and the protrusion 42, and the collar 41 and the protrusion 43 are insulated from each other. A protrusion 42 is fitted into the hole formed in the protrusion 36 of the electrode 30a, and the flange 34 of the electrode 30a and the flange 40 of the electrode 30b are closely attached to the electrode 30b. Electrode 30a
Is similarly attached to the electrode 31b, and the protrusion 43 is similarly attached to the electrode 31b.
Is fitted into the hole formed in the projection 37 of the electrode 31a, and the electrode 31a is mounted so that the flange 35 of the electrode 31a and the flange 41 of the electrode 31b are in close contact with each other.

The protrusion 42 of the electrode 30b and the electrode 31
The lower surface of the protrusion 43 of b is adhered to the skin of the human body,
Detects cardiac waves generated by heart pulsations.

Therefore, when the electrode 30a is attached to the electrode 30b and the electrode 31a is attached to the electrode 31b as described above, the protrusion 42 of the electrode 30b and the protrusion 36 of the electrode 30a are connected, and the collar of the electrode 30a is connected. Part 34a and collar part 34b
Are connected via the collar portion 40 of the electrode 30b. Further, the protrusion 43 of the electrode 31b and the protrusion 37 of the electrode 31a are connected to each other, and the flange portions 35a and 35b of the electrode 31a are connected to the electrode 31.
It is connected via the collar part 41 of b.

Then, the electrodes 30b and 31b
Is directly adhered to the body of the subject, and the protrusion 4 of the electrode 30b is
2 and the projection 43 of the electrode 31b detect the cardiac radio wave of the subject, and output the cardiac radio wave signal to the electronic circuit 32 via the lead wires 33a and 33b.

As a result, when the subject makes a sudden movement and the electrodes 30 and 31 are slightly deviated, the electrode 30
b and the electrode 31b move with the movement of the subject's body, but the electrode 30a or the electrode 31a cannot follow the movement of the subject's body, and thus the electrode 30b and the electrode 30a.
Alternatively, the electrode 31b and the electrode 31a, specifically, the electrode 3
0b flange 40 or electrode 31b flange 41, electrode 30a flange 34 or electrode 31a flange 35 is separated, and electrode 30a flange 34a and flange 34b or electrode 31a flange 35a and flange 35b. The connection with is disconnected. Therefore, the collar portion 34a and the collar portion 34b of the electrode 30,
Alternatively, by checking the connectivity between the collar portion 35a and the collar portion 35b of the electrode 31, whether or not the electrode 30 or the electrode 31 is reliably in contact with the human body to detect the cardiac wave, that is, the detection of the cardiac wave is detected. It is possible to detect whether or not an abnormality has occurred in the.

In the electronic circuit 32, the cardiac radio wave detection circuit is
It is configured as shown in FIG. 6, and includes a detection circuit 51, a transmission circuit 52, a power supply circuit 53, a power supply switch 54, a resonance circuit 55, and the like.

The power supply circuit 53 includes, for example, a battery,
Detection circuit 51 and transmission circuit 52 via the power switch 54
And supplying power to the resonance circuit 55.

The electrodes 30 and 31 are connected to the detection circuit 51 via lead wires 33a and 33b. The electrodes 30 and 31 detect a pulsed electrocardiographic signal and output it to the detection circuit 51. .

The detection circuit 51 amplifies the cardiac radio signal input from the electrodes 30 and 31 and outputs it to the transmission circuit 52.

The abnormality detection circuit 60 shown in FIG. 7 is incorporated in the detection circuit 51. Note that FIG. 7 shows only the abnormality detection circuit 60 for the electrode 30, and the detection circuit 51 also incorporates an abnormality detection circuit having the same circuit configuration as the abnormality detection circuit 60 for the electrode 31.

The abnormality detection circuit 60 includes a NOR circuit 61, two inverters 62 and 63, and a reset pulse generator (not shown), and changes from the reset pulse generator to the NOR circuit 61 at high and low at a predetermined cycle. A reset pulse is being input. This reset pulse is
It has a cycle more than twice the cycle of a normal pulse.

The output of the NOR circuit 61 is the inverter 6
It is fed back via 2 and the output of the NOR circuit 61 is output to the inverter 63. Inverter 63
Is connected to the output line to the transmission circuit 52 of the cardiac radio wave signal whose output is detected by the cardiac radio wave detection electrodes 30 and 31, and the inverter 63 causes the reset pulse input via the NOR circuit 61 to be abnormal. The detection signal is output to the transmission circuit 52 together with the cardiac radio wave signal.

The inverter 63 has a flange portion 3 of the electrode 30a.
4a, and the collar portion 34b of the electrode 30a is grounded. When the electrode 30b is attached to the electrode 30a, the collar portion 40 of the electrode 30b connects the collar portion 34a and the collar portion 34b of the electrode 30a to keep the inverter 63 at the ground potential, as shown by the solid line in FIG. To do. In addition, when the subject performs a sudden body movement or the like, the electrodes 30a and 30
When b is separated, as shown by the broken line in FIG. 7, the flange portion 40 of the electrode 30b is separated from the flange portions 34a and 34b of the electrode 30a, and the inverter 63 is set to the open potential.

Therefore, when the flange portion 40 of the electrode 30b connects the flange portions 34a and 34b of the electrode 30a, the inverter 63 is held at the ground potential, and therefore the reset pulse is generated via the NOR circuit 61. Even if is input, the abnormality detection signal is not output from the inverter 63 to the transmission circuit 52. However, the collar portion 40 of the electrode 30b is connected to the electrode 3
When the reset pulse is input through the NOR circuit 61 when it is distant from the collar portion 34a or the collar portion 34b of 0a, the inverter 63 is opened, so that a high pulsed abnormality detection signal is transmitted to the transmission circuit. Output to 52.

The transmission circuit 52 has a built-in oscillation circuit that outputs a pulse signal of a predetermined frequency. When a heart wave signal or an abnormality detection signal is input from the detection circuit 51, the transmission circuit 52 outputs a pulse signal from the built-in oscillation circuit. The switching signal Ss that changes between high and low in a cycle is output to the resonance circuit 55.
The transmission circuit 52 outputs the switching signal Ss to the resonance circuit 55 only during a period in which the switching is switched between high and low a predetermined number of times set in advance for each shirt 21.

The resonance circuit 55 includes resistors R1 and R2, a switching transistor Tr, capacitors C1 and C2, and a transmission coil L. The switching circuit Tr has a base connected to the switching signal from the transmission circuit 52 via the resistor R1. Ss is input. A predetermined constant voltage Vcc is applied to the collector of the switching transistor Tr via the resistor R2 and the transmission coil L, and the emitter of the switching transistor Tr is the transmission circuit 52.
It is connected to the. A capacitor C1 is connected between the collector and the emitter of the switching transistor Tr, and a capacitor C1 is connected between the connection point of the resistor R2 and the transmission coil L and the emitter of the switching transistor Tr.
2 is connected.

Therefore, the resonance circuit 55 is equivalent to the transmission circuit 5
2 through the resistor R1 to the switching transistor Tr
When the switching signal Ss is input to the base of the switching transistor Tr, the switching transistor Tr repeats on / off. When the switching transistor Tr is on, the transmission coil L is charged, and when the switching transistor Tr is off, the transmission coil L is discharged. By repeating the operation, the LC resonance circuit including the transmission coil L and the capacitors C1 and C2. Resonate and transmit an electromagnetic induction signal.

The electrocardiographic signal transmitted from the transmission coil L by electromagnetic induction can be sufficiently detected at a distance of up to about 2 m.

<Structure of Wrist Watch 22> The wrist watch 22 shown in FIG. 3 is worn on each arm of the subject wearing the shirt 21, and as shown in FIG. , Reception circuit 72, waveform shaping circuit 73, oscillation circuit 74, frequency division / timing circuit 75, RAM (Random A
ccess Memory) 76, ROM (Read Only Memory) 7
7, sound output section 78, key input section 79, serial conversion circuit 8
0, a transmission circuit 81, an antenna 82, a display drive section 83, a display section 84 and the like.

The receiving coil 71 is a detection coil for detecting a cardiac radio wave signal transmitted from the transmitting coil L by electromagnetic induction, and is connected to the receiving circuit 72.

The receiving circuit 72 amplifies the cardiac radio wave signal received by the receiving coil 71 and outputs it to the waveform shaping circuit 73.

The waveform shaping circuit 73 compares the cardiac radio wave signal input from the receiving circuit 72 with a predetermined reference value Vth to shape the waveform into a rectangular wave and outputs it to the control unit 70. The receiving circuit 72 and the waveform shaping circuit 73 start operating in response to the operation signal supplied from the control unit 70.

The oscillating circuit 74 oscillates a clock signal of a predetermined frequency and outputs it to the frequency dividing / timing circuit 75.

The frequency dividing / timing circuit 75 is the oscillator circuit 7.
The clock signal input from 4 is frequency-divided, various timing signals such as a clock signal are generated and supplied to the control unit 70.

The ROM 77 stores a program for the wristwatch 22, such as a timekeeping processing program, a living body monitoring and heartbeat signal transmission processing program by a cardiac radio signal from the shirt 21, and various system data.

The control section 70 controls each section on the basis of a microprogram stored in advance in the ROM 19 to perform various processes described later.

The RAM 20 is used as a work memory for the control unit 70 and stores various data.
Display register area, clock register area,
It has flag register areas F0 and F1, an identification code register area, a period register area T, and the like. Here, the display register area is a register area for storing display data displayed on the display unit 84, and the clock register area is
This is a register area that stores current time data that is sequentially updated by the timekeeping process. In addition, the flag register area F0
Stores a flag indicating the detection state of the cardiac radio wave signal, and the flag register F1 stores a flag indicating the setting state of the identification code. The identification code register area is a register that stores identification code data. The identification code is set for each subject and is, for example, an 8-digit numerical code. For example, the identification code of the subject A is "0000000.
1 ”, and the identification code of the subject B is“ 00000010 ”. The cycle register area T is a register for measuring the cycle T of the rectangular wave signal of the heart wave. The identification code data is not limited to the RAM 76, but may be stored in the ROM 77 or a rewritable EEPROM.

The alarm unit 78 has a buzzer, a drive circuit for the same, and the like, and generates an alarm sound based on the alarm signal output from the control unit 70.

Although not shown, the key input section 79 is provided with K1 key, K2 key and other keys, and outputs a key input signal corresponding to a key operation to the control section 70.

Here, the K1 key is a key for inverting the flag register F0 described later to start pulse measurement, and the K2 key is a key for inverting the flag register F1 described later to set an identification code.

As will be described later, the serial conversion circuit 80 converts the pulse data and the identification code data output from the control unit 70 into a serial signal and outputs the serial signal to the transmission circuit 81.

The transmission circuit 81 converts a serial signal consisting of the pulse data and the identification code data input from the serial conversion circuit 80 into a radio signal, and the antenna 82 causes the signal shown in FIG.
To the receiver 23 shown in FIG.

The display drive section 83 outputs a display drive signal to the display section 84 based on the display data input from the control section 70 to drive the display section 84 for display.

The display unit 84 is, for example, a liquid crystal display device, and displays the current time, pulse, and the like.

<Structure of Receiver 23 and Monitoring Device 24> The receiver 23 and the monitoring device 24 of FIG. 3 are configured as shown in FIG. 10, and the receiver 23 includes an antenna 91, a receiving circuit 92, and a parallel circuit. The conversion circuit 93 and the control unit 94 are provided.

The antenna 91 is the antenna 8 of the wristwatch 22.
The wireless signal of the pulse data and the identification code data by the wireless signal transmitted from 2 is received, and the received pulse data and the identification code data are output to the receiving circuit 92.

The receiving circuit 92 operates in synchronization with the operation signal supplied from the control unit 94, and outputs the serial pulse data and the identification code data input from the antenna 91 to the parallel conversion circuit 93.

The parallel conversion circuit 93 converts the serial pulse data and the identification code data input from the receiving circuit 92 into the pulse data and the identification code data of the parallel signal and inputs them to the control section 94.

The control unit 94 has a CPU (Central Processi).
ng Unit), a ROM, a RAM, and the like, and controls various parts based on a microprogram stored in advance in the ROM to perform various processes. Further, the control unit 94 outputs the pulse data and the identification code data input from the parallel conversion circuit 93 to the monitoring device 24.

That is, the receiver 23 receives the pulse data and the identification code of each subject transmitted from each wristwatch 22 by the antenna 91, performs signal processing, and then the monitoring device 2
Send to 4.

Although not shown, the monitoring device 24 includes a monitoring control unit, a CRT display device, etc., and is based on the pulse data and the identification code data of a plurality of subjects input from the control unit 94 of the receiver 23. The living body condition of each subject is monitored and displayed on the CRT display device, or an alarm is generated when the living body is abnormal. That is, the monitoring device 24 collectively displays the pulse data and the identification codes of a plurality of subjects, which are input from the control unit 94 of the receiver 23, on the CRT display device, and the pulse data is out of the predetermined range. Alarm sound is generated.

Next, the operation of this embodiment will be described.

The pulse monitoring system 20 includes electrodes 30, 31.
The shirt 21 and the wrist watch 22 attached to the shirt 21 are attached to a plurality of patients to be monitored, and the power switch 54 provided on the shirt 21 is turned on. When the power switch 54 is turned on, the electrodes 30, 31 attached to the plurality of shirts 21, particularly, the protrusion 42 of the electrode 30b of the electrode 30.
The projection 43 of the electrode 31b of the electrode 31 detects the cardiac radio wave of the patient and outputs it to the detection circuit 51. The detection circuit 51 amplifies the electrocardiographic signal input from the electrodes 30 and 31 and outputs the amplified electrocardiographic signal to the transmission circuit 52. The transmission circuit 52 drives the resonance circuit 55 based on the input electrocardiographic signal to transmit the signal. Coil L
Transmits an electrocardiographic signal as an electromagnetic induction signal to the wristwatch 22 attached to each patient.

That is, the transmitting circuit 52 includes the electrodes 30, 3
The cardiac radio wave signal detected by 1 and amplified by the detection circuit 51 is
As shown in FIG. 11 (A), when input, the switching signal Ss that changes to high and low at a predetermined cycle T0 is triggered by this cardiac radio signal as shown in FIG. 11 (B).
Is output.

In the resonance circuit 55, the switching transistor Tr is turned on / off when the switching signal Ss which changes to high and low in a predetermined cycle T0 is input. Then, when the switch transistor Tr1 is turned on, a direct current flows through the transmission coil L to be charged, and when the switching transistor Tr is turned off, the transmission coil L and the capacitors C1 and C2 are connected in series to form an LC resonance circuit. To be done. An electromagnetic induction signal is transmitted by this LC resonance circuit.

Then, this switching transistor T
The on / off of r is repeated by the number set in advance for each shirt 21, and the switching transistor Tr is turned on / off.
Only the OFF number of electromagnetic induction signals are transmitted.

The wrist watch 2 attached to each patient's arm
In No. 2, the electromagnetic induction signal transmitted from each shirt 21 is received by the coil 21, amplified by the receiving circuit 72, and then waveform-shaped into a rectangular wave by comparison with a predetermined reference value Vth in the waveform shaping circuit 73. As a cardiac radio signal, the control unit 70
Output to.

However, the subject 30 suddenly moved his / her body, and the electrodes 30a and 30b were replaced by the electrodes 30 and 31.
When the electrodes 31a and 31b are separated from each other, the connection between the flange portions 34a and 34b of the electrodes 30a and 30b and the flange portion 35
The connection between a and the collar portion 35b is cut off, and as shown in FIG. 7, the abnormality detection circuit 60 incorporated in the detection circuit 51.
The inverter 63 changes from the ground potential to the open potential and outputs the reset pulse input through the NOR circuit 61 to the transmission circuit 52 as an abnormality detection signal.

That is, when the abnormality detection signal is input from the detection circuit 51, the transmission circuit 52 outputs the switching signal Ss based on the abnormality detection signal during the normal predetermined period T0, as shown in FIG. 11C. Output to the resonance circuit 55, and the resonance circuit 55 transmits the electromagnetic induction signal in the same manner as above.

In the same manner as described above, the wristwatch 22 receives the electromagnetic induction signal based on this abnormality detection signal by the receiving coil 71, amplifies it by the receiving circuit 72, shapes the waveform by the waveform shaping circuit 73, and controls it as a cardiac wave signal. It is output to the unit 70.

However, the control unit 70 determines that the cardiac radio wave signal is an abnormal signal because the cardiac radio wave signal has an abnormally short cycle with the normal cardiac radio wave, and performs the abnormality processing.

The operation of the wristwatch 22 will be described below with reference to the flowchart.

The wristwatch 22 has a function as a timepiece, performs measurement processing for measuring a pulse by a cardiac radio wave signal transmitted from the shirt 21, and transfer processing of the measured pulse to the receiver 23, and K1 for processing settings
Set with the key, K2 key and other keys.

That is, each wristwatch 22 constantly monitors the flag F0 and determines whether the flag F0 is "1", that is, in the pulse measurement mode, as shown in FIG. It is checked whether there is any (step S1). That is, the flag F0 is
It is a flag indicating the mode of the wristwatch 22, and when it is "1", it indicates that it is in the pulse measurement mode.

In step S1, when the flag F0 is "1", it is determined that the pulse measuring mode is set, and after the pulse measuring process described later is performed (step S2), the key input section 79 is scanned. It is checked whether or not a key has been pressed (step S3).

When the flag F0 is not "1" in step S1, it is determined that the pulse measurement mode is not set, and the process proceeds to step S3 to check whether or not the key of the key input unit 79 is pressed (step S3).

In step S3, when the key is not pressed, it is the timing to measure, that is, the frequency division
It is checked whether or not a timing signal is input from the timing circuit 75 (step S4), and if it is not the timing timing, the contents of the display register of the RAM 76 are transferred to the display drive section 83, and a display process for displaying on the display section 84 is performed and the step The process returns to S1 (step S6).

At step S4, at the time counting timing, a time counting process for updating the current time data stored in the time counting register area of the RAM 76 is performed (step S4).
5) After performing the display process of displaying the result of the time counting process on the display unit 84 (step S6), the process returns to step S1.

When it is determined in step S3 that the key has been pushed, whether the pushed key is the K1 key or not is checked (step S7), and when the K1 key is pushed, the flag F0 is inverted (step S8). . That is, by pressing the K1 key, the flag F0 can be inverted and the measurement mode can be set and the measurement mode can be released repeatedly.

When the flag F0 is inverted, a display process for displaying the contents of the display register of the RAM 76 on the display section 84 is performed (step S6), and the process returns to step S1.

At step S7, if the input key is not the K1 key, it is checked whether the input key is the K2 key (step S9), and if the K2 key is pressed, the flag F1 is reversed (step S9). S1
0).

The flag F1 is a flag indicating the identification code setting mode, and when it is "1", it indicates the identification code setting mode. Therefore, by pressing the K2 key, the identification code setting mode can be set and released.

When the flag F1 is inverted, the display process is performed (step S6), and the process returns to step S1.

If the entered key is not the K2 key but another key in step S9, it is checked whether the flag F1 is "1", that is, the identification code setting mode (step S11). F1
Is "1", it is determined that the identification code setting mode is set, and the numerical value input from the key input unit 79 is displayed in the RAM 7
An identification code setting process for setting an identification code in the identification code register area 6 is performed (step S12).

When the identification code setting process is performed, the display process is performed (step S6), and the process returns to step S1.

If the flag F1 is not "1" in step S11, other processing corresponding to key input, for example, time setting processing is performed (step S1).
3) After performing the display process (step S6), the process returns to step S1 and the same process as described above is performed.

As described above, the wristwatch 22 can perform the measurement process of the pulse and the setting process of the identification code by pressing the K1 key and the K2 key while performing the time counting process.

Next, the pulse measuring process in step S2 will be described with reference to the flowchart of the measuring process shown in FIG.

In the pulse measuring process, it is first checked whether there is a cardiac radio signal from the shirt 21 (step P1).

When the cardiac radio wave signal is not received in step P1, the content of the register area T is incremented by "1" and the process is terminated (step P5). That is, by incrementing the content of the register area T at every predetermined timing, the cycle T from the previous reception of the cardiac radio signal to the current reception of the cardiac radio signal is calculated and stored in the register area T.

The electrocardiographic signal from the shirt 21 due to electromagnetic induction is received by the receiving coil 71, amplified by the receiving circuit 72, and output to the waveform shaping circuit 73, as described above. The waveform shaping circuit 73 waveform-shapes the input cardiac radio signal into a rectangular wave signal and outputs the rectangular wave signal to the control unit 70. Control unit 70
Asks if this cardiac radio signal is input in step P
I checked in 1.

The cardiac radio signal detected in this way is input to the control unit 70, and when the signal is detected in step P1 of FIG. 13, it is checked whether the period of the cardiac radio signal is equal to or longer than a predetermined period (step P2). ).

In other words, the heart wave of the human body has a limited cycle width that changes due to a change in physical condition, and when a heart wave signal is input with a cycle shorter than this change width, it is regarded as an abnormal signal from the shirt 21. Since it is a signal that is transmitted, the wristwatch 22 determines whether or not the electrodes 30 and 31 are separated by checking in step P2 whether the cycle of the cardiac radio signal is longer than a preset predetermined cycle. .

In step P2, if the signal period is equal to or longer than the predetermined period, it is determined that the signal is a cardiac radio signal, and the pulse is calculated (step P3). That is, the period T from the previous cardiac radio signal to the current cardiac radio signal is measured by the register area T, and the pulse is calculated based on this period.

When the pulse is calculated, the calculated pulse data and the identification code are transmitted (step P4). That is, the control unit 70 outputs the pulse data and the identification code to the serial conversion circuit 80, converts the pulse data into a serial signal in the serial conversion circuit 80, and then transmits it as a wireless signal from the transmission circuit 81 via the antenna 82. After the transmission, the register area T of the RAM 76 is cleared to prepare for the calculation of the next cycle T.

In step P2, when the signal period is shorter than the predetermined period, it is judged that the electrodes 30 and 31 have been separated,
NG processing is performed (step P6).

In this NG process, the calculation process of the pulse corresponding to the received signal is stopped, the register area T is cleared to cancel the calculation of the pulse, and the electrodes 30, 31 of the shirt 21 are removed from the display section 34. Error information, such as that the pulse calculation has been stopped.

Therefore, when the subject suddenly moves his or her body and the electrodes 30 and 31 of the shirt 21 come off, the calculation of the pulse can be stopped and the information to that effect can be displayed. Can be accurately measured.

Then, the receiver 23 receives the pulse data and the wireless signal of the identification code transmitted from each wristwatch 22 by the antenna 91, converts them into parallel signals, and outputs them to the monitoring device 24.

The monitoring device 24 collectively displays the received pulse data of a plurality of subjects on the CRT display device for each identification code, and monitors the pulse data of each subject based on the identification code to obtain the pulse data. When is outside a predetermined range, an alarm sound is generated.

As described above, in the pulse monitoring system 20 of this embodiment, the electrodes 30 and 3 of the shirt 21 worn on the human body.
1 detects a heart wave as a biological signal, resonates the resonance circuit 55 with the detected heart wave signal, and transmits it to the wristwatch 22 as an electromagnetic induction signal. Each wristwatch 22 receives the electrocardiographic signal transmitted by electromagnetic induction with the receiving coil 71, and monitors the state of the human body based on the received electrocardiographic signal. Then, each shirt 21 constantly monitors whether or not the electrodes 30 and 31 are detached, and when the electrodes 30 and 31 are detached,
The resonance circuit 55 transmits an abnormal signal to that effect to the wristwatch 22. The wristwatch 22 receives electrodes 30 and 3 due to this abnormal signal.
Recognizing that 1 is off, the pulse calculation is stopped.

Therefore, each wristwatch 22 can accurately calculate the pulse rate, and accurate living body monitoring can be performed.

Although the above embodiment is applied to the case where the pulse data is constantly monitored, the present invention is not limited to this. For example, every 30 seconds or every 1 minute, a predetermined time is determined. You may make it measure and monitor.

Further, in the above embodiment, the pulse data is monitored as the biological data to be monitored, but the invention is not limited to this.
Alternatively, it may be body temperature data or the like, or a plurality of pieces of biometric data may be detected and transmitted by electromagnetic induction in a time division manner, for example.

Further, in the above embodiment, the monitoring device 24 generates an alarm sound when the pulse exceeds the set range, but the alarm section 78 of the wristwatch 22 may generate an alarm sound. .

Further, in the above embodiment, the shirt 21
The signal from the wristwatch 22 causes the electrode 30 of the shirt 21,
Although it is determined that 31 is disengaged, the present invention is not limited to this, and the monitoring device 24 may determine. Furthermore, the transmission of the electrocardiographic signal may be stopped when the shirt 21 itself determines that the electrodes 30, 31 have come off.

Further, in the above embodiment, the function of detecting that the electrode 30 or the electrode 31 is detached is incorporated in both the electrode 30 and the electrode 31, but it may be incorporated in only one of them.

[0138]

According to the electrocardiographic detection device of claim 1,
For example, the radio waves of the heart generated by the pulsation of the heart are different from those of the human body.
Electrocardiogram is measured by detecting with a pair of electrodes in contact with the site
In an electrocardiogram detector, each electrode is not attached to the human body.
The first electrode and the second electrode that is detached from the first electrode.
And the connection of the first electrode and the second electrode is divided into
A body that detects whether or not the human body has moved by examining sex
Motion detection means and body motion detection means
Therefore, if it is detected that the human body has moved,
Notification means to notify that the setting has not been performed normally
And, so that the connectivity between the first electrode and the second electrode
By checking the
Whether the radio wave measurement is accurate or not
You can know clearly.

According to the electrocardiographic detection system of claim 3,
For example, contact a pair of electrodes with different parts of the human body to
Detects the electrocardiogram generated by the pulsation and detects this
A detector that transmits radio waves as an electromagnetic induction signal and an electromagnetic induction
Receives the cardiac wave transmitted as a conduction signal to check the condition of the human body.
An electrocardiogram detection system consisting of a monitoring device for monitoring
In the detection device, each electrode is attached to the human body
A first electrode and a second electrode that is attached to and detached from the first electrode
The detection device is divided into the first electrode and the second electrode.
Did the human body move by examining the connectivity with the second electrode?
Body movement detecting means for detecting whether or not, and detecting the cardiac radio waves
At this time, it is detected that the human body has moved by the body movement detecting means.
If it is emitted, the above-mentioned cardiac radio wave measurement has not been performed normally.
Since it has a notification means for notifying as
By checking the connectivity between the second electrode and the
Accurate measurement of electrocardiographic waves by ensuring that the poles contact the human body
Can be surely and clearly known whether or not
It In addition, it is possible to accurately measure cardiac radio waves.
On the other hand, the condition of the human body is constantly measured based on accurate measured electrocardiographic waves.
The condition can be monitored. The pulse calculation device according to claim 5.
According to the device, the first electrode attached to the human body and the first electrode
A pair of electrodes that consist of
Occurs with the pulsation of the heart by contacting different parts of the body
Heart wave detection means for detecting heart wave
Calculates the pulse rate based on the cardiac wave detected by the method
Of the calculation means, the first electrode and the second electrode
Detects whether the human body has moved by checking connectivity
Body movement detection means for detecting
Before when the moving means detects that the human body has moved
Calculation stopping means for stopping the calculation of the pulse rate by the calculating means
And when the calculation is stopped by the calculation stopping means,
And a notification means for notifying that the calculation has been stopped.
In order to investigate the connectivity between the first electrode and the second electrode
This ensures that the electrodes will come into contact with the human body and
It is necessary to know for sure and clearly whether it was done properly.
You can It also calculates the pulse rate based on accurate cardiac radio waves.
can do.

[Brief description of drawings]

FIG. 1 is a circuit block diagram of an embodiment of a cardiac radio wave detection device of the present invention.

FIG. 2 is a diagram showing a signal waveform of each part for explaining abnormality processing when an electrode is detached.

FIG. 3 is a block configuration diagram of a pulse monitoring system to which another embodiment of the cardiac radio wave detection device of the present invention is applied.

FIG. 4 is a diagram showing a configuration of the shirt of FIG.

5 is an enlarged perspective view of an electrode attached to the shirt of FIG.

FIG. 6 is a circuit configuration diagram of the electronic circuit of FIG.

7 is a circuit diagram of an abnormality detection circuit incorporated in the detection circuit of FIG.

FIG. 8 is a circuit block diagram of the wristwatch shown in FIG.

9 is a diagram showing a memory configuration of the RAM of FIG.

10 is a diagram showing a circuit configuration of the receiver and the monitoring circuit of FIG.

FIG. 11 is a diagram showing signal waveforms of respective parts for explaining a transmission operation in a shirt.

12 is a flowchart showing the overall operation of the wristwatch shown in FIG.

13 is a flowchart showing detailed processing of the measurement processing of FIG.

[Explanation of symbols]

1 Heart wave detector 2a, 2b Heart wave detection electrodes 3 amplifier 4 Wave shaping circuit 5 AND circuit 6 Accelerometer 7 amplifier 8 Wave shaping circuit 9 oscillators 10 frequency divider 11 Latch circuit 12 Control unit 13 Display drive 14 Display 20 monitoring system 21 shirt 22 watches 23 receiver 24 Monitoring device 30, 31 electrodes 30a, 30b electrodes 31a, 31b electrodes 32 electronic circuits 34, 35 collar part 34a, 34b, 35a, 35b Collar part 36, 37 Projection 38, 39 Insulation member 40, 41 Tsuba 42, 43 Projection 51 detection circuit 52 transmitter circuit 53 power supply circuit 54 power switch 55 resonant circuit 60 Abnormality detection circuit 61 Noah circuit 62, 63 inverter 70 Control unit 71 receiver coil 72 Receiver circuit 73 Waveform shaping circuit 74 Oscillation circuit 75 frequency divider / timing circuit 76 RAM 77 ROM 78 Bulletin Club 79 Key input section 80 Serial conversion circuit 81 Transmitter circuit 82 antenna 83 Display driver 84 display C1, C2 capacitors R1, R2 resistance L transmission coil Tr switching transistor 91 antenna 92 Receiver circuit 93 Parallel conversion circuit 94 Control unit

─────────────────────────────────────────────────── ─── Continuation of the front page (56) Reference JP-A-4-170936 (JP, A) JP-A-58-4531 (JP, A) JP-A-3-57434 (JP, A) JP-A-56- 45636 (JP, A) JP-A-5-76501 (JP, A) JP-B-49-12393 (JP, B1) (58) Fields investigated (Int.Cl. ⁷ , DB name) A61B 5/04-5 / 0472 A61B 5/02-5/0255 A61B 5/103-5/113

Claims (5)

(57) [Claims] 1. An electrocardiographic wave detection apparatus for detecting electrocardiographic radio waves generated by pulsation of a heart with a pair of electrodes in contact with different parts of a human body, and measuring the electrocardiographic radio waves, wherein each electrode is attached to the human body. The first electrode and this first
Determining the connectivity between the first electrode and the second electrode divided into an electrode and a detachable second electrode
Body movement detecting means for detecting whether or not a human body has moved, and the body movement detecting means for detecting the cardiac radio waves.
Measurement of the above-mentioned cardiac radio waves when it is detected that the human body has moved
Means for notifying as not being performed normally
Electrocardiographic detecting device characterized by comprising a, the. 2. A human body is moved by the body movement detecting means.
If and are detected, it means that the human body has moved.
Equipped with correction means to invalidate the electrocardiogram measured within the specified period
The electrocardiographic detection device according to claim 1, wherein 3. A pair of electrodes are brought into contact with different parts of the human body
Heartbeat generated by the pulsation of the heart,
Detection device that transmits the emitted cardiac radio wave as an electromagnetic induction signal
And receives the cardiac wave transmitted as the electromagnetic induction signal
And a monitoring device that monitors the condition of the human body.
In the electrocardiographic signal detection system, each electrode is a first electrode that is attached to the human body and this first electrode.
The detection device is divided into an electrode and a detachable second electrode, and the detection device is capable of examining the connectivity between the first electrode and the second electrode.
Body motion detection means for detecting whether or not the human body has moved by
If, when detecting the electrocardiographic by the body motion detecting means
Measurement of the above-mentioned cardiac radio waves when it is detected that the human body has moved
Means for notifying as not being performed normally
Electrocardiographic detection system comprising the and. 4. The detection device comprises a body movement detecting means.
If the human body is detected to move,
Disables the cardiac waves measured during the period when and are detected
The electrocardiogram according to claim 3, further comprising a correction means.
Wave detection system. 5. A first electrode attached to a human body and the first electrode.
A pair of electrodes that consist of
Occurs with the pulsation of the heart by contacting different parts of the body
And electrocardiographic detecting means for detecting an ECG wave that, based on the electrocardiogram detected by the electrocardiographic detecting means
Calculating means for calculating the pulse rate , and checking the connectivity between the first electrode and the second electrode.
Body motion detection means for detecting whether or not the human body has moved by
If, when detecting the electrocardiographic human body by the body motion detecting means
If it is detected that the
A calculation stop means to stop the operation of beats, operation when the operation is stopped by the operation stop means
And a notification unit for notifying that the pulse has been stopped .