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JP2017211436

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DESCRIPTION JP2017211436
Abstract: [Problem] To provide a chest compression assistance system in which sense of
appropriate movement can be easily remembered in a long term while objectively determining
whether or not a chest compression movement is appropriately performed. SOLUTION: A training
cloth 20 covering a front chest 14 of a human body model 12 is provided with a sensor 26, and
in the device main body 50, each divided data obtained by dividing melody and accompaniment
of music in predetermined units along the progression of music And the table 72 which
associates the number of detections of the chest compression operation with one another. When
chest compression is detected, it is determined whether the compression speed and compression
strength are within the predetermined appropriate range on the device main body 50 side, and
according to the result, both melody and accompaniment are performed according to the
operation of chest compression, Play only melody and warning sound, accompaniment and
warning sound, and warning sound. The trainee 30 hears the reproduced sound to know whether
or not the speed and depth of chest compression are appropriate, and by continuing the chest
compression operation in a predetermined appropriate range, the music is continuously
reproduced, and it is appropriate along with the music. Acquire a good sense of movement.
[Selected figure] Figure 1
Chest compression assistance system
[0001]
The present invention relates to an auxiliary system for appropriately performing chest
compression in cardiopulmonary resuscitation, and more specifically to a chest compression
auxiliary system suitable for training.
04-05-2019
1
[0002]
According to the guidelines for emergency cardiopulmonary resuscitation revised in 2015, the
tempo of chest compressions is 100 to 120 minutes per minute for chest compressions during
Basic Life Support (BLS).
The strength during chest compression is to compress the chest at a depth of about 5 cm while
avoiding excessive compression exceeding 6 cm. At present, with the spread of AED promoted by
the country, many people are receiving training on AED operations and chest compressions, but
in chest compression training, it is objective to determine whether the operation is performed
correctly or not. It is difficult to judge In addition, even if proper chest compressions can be
achieved by training, there is a risk that appropriate senses may fade with the passage of time,
and chest compressions may not be properly performed in situations where they are actually
needed.
[0003]
As a technique relating to chest compression training, for example, a resuscitation training
human body model and a resuscitation training system described in Patent Document 1 below
are disclosed. The resuscitation training human body model described in Patent Document 1
provides a compression platform on the surface side of the simulated chest in a human body
model housing having a simulated chest that simulates the chest of a human body, and detects
the compression depth of the compression platform. It is disclosed that a compression depth
detection unit and a compression tempo detection unit for detecting the compression tempo of
the compression platform are provided. A notification unit is provided to notify at least one of the
detected compression depth, the detected compression tempo, the ideal compression tempo, and
the detected return position of the compression platform. Specifically, depending on whether the
compression depth is appropriate or not, the light emitting diode may be made to emit light in
different colors, or depending on whether the compression tempo is appropriate, notification of
that is made by voice from a speaker.
[0004]
JP, 2013-225046, A
[0005]
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2
However, as described above, in chest compression training, it is difficult to objectively determine
whether or not the operation is performed correctly.
Moreover, even if resuscitation training is performed using the technique described in the patent
document 1 and it is possible to know objectively whether the compression tempo or
compression depth is appropriate or not by notification, it is ad hoc. That is, even if proper chest
compression can be obtained by notification by training, no device is made to easily remember
the feeling, so when it is actually necessary to perform chest compression, the appropriate action
as per training is There remains a problem that it is difficult to reproduce.
[0006]
The present invention focuses on the above points, and makes it easy to memorize an
appropriate sense of motion in the long term, while objectively judging whether or not chest
compression motion is properly performed in cardiopulmonary resuscitation. Its purpose is to
provide a chest compression assistance system.
[0007]
The present invention relates to a table in which the reproduction order of each divided data
when music melody and accompaniment data are divided in predetermined units along the
progression of the music, and the number of times of detection of chest compression operation,
and a human body model Or a sensor means provided in the anterior chest of the human body
for outputting a signal relating to the presence or absence of chest compression operation and
chest displacement, a calculation means for calculating the compression speed and compression
depth of the sternum from the output of the sensor means, the calculation It is determined
whether or not the compression speed and compression depth calculated by the unit are within
predetermined appropriate ranges, and according to the determination result, output instruction
means for instructing reproduction of the music and output of a warning, and the output
instruction means And outputting means for outputting at least one of the melody, the
accompaniment and the warning in accordance with the instruction of If the compression speed
is within the appropriate range, one of the divided data of the melody or accompaniment
corresponding to the number of times of detection is specified and the output means is
instructed to reproduce, and the compression depth is within the appropriate range. In this case,
the other divided data of the melody or accompaniment corresponding to the number of times of
detection is specified, and the reproduction means is instructed to the output means, and one or
both of the compression speed and compression depth are out of the appropriate range. And
instructing the output means to output a warning.
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[0008]
In one of the main modes, the output instruction means specifies divided data of the
accompaniment from the table when the compression speed is within the appropriate range, and
when the compression depth is within the appropriate range, The divided data of the melody is
specified from the table.
Another embodiment is characterized in that all the sounds constituting the melody of the music
and all the sounds constituting the accompaniment of the music are divided in units of the same
tone value.
In still another mode, each sound constituting the melody is divided with the minimum unit of
the sound value of all the sounds constituting the melody of the music as the predetermined unit,
and the table The sound is reproduced for the first divided data when the sound constituting the
melody is divided at the minimum tone value, and not reproduced for the divided data after the
first divided data, for each sound, The reproduction order of the divided data and the presence or
absence of the reproduction are associated with the number of times of detection of the chest
compression operation.
[0009]
Yet another embodiment is characterized in that the sensor means is provided on a sheet
covering the anterior chest of the human body or manikin. Yet another mode is characterized in
that the sheet doubles as the sensor means. The above and other objects, features and
advantages of the present invention will be apparent from the following detailed description and
the accompanying drawings.
[0010]
According to the present invention, a table in which the reproduction order of each divided data
when the melody of melody and the accompaniment data are divided in predetermined units
along the progression of the music, and the number of times of detection of chest compression
operation are associated; Sensor means provided in the anterior chest of the human body model
or human body and outputting signals regarding the presence or absence of chest compression
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operation and displacement of the chest, and calculation means for calculating the compression
speed and compression depth of the sternum from the output of the sensor means; Output
instruction means for judging whether the compression speed and compression depth calculated
by the calculation means are within a predetermined proper range and instructing reproduction
of the music and output of a warning according to the judgment result, and the output
instruction And an output means for outputting at least one of the melody, accompaniment, and a
warning according to an instruction from the means, wherein the output instructing means
detects the chest compression operation when the chest compression operation is detected. If the
compression speed is within the appropriate range, one of the divided data of the melody or
accompaniment corresponding to the number of times of detection is specified and the output
means is instructed to reproduce, and the compression depth is determined to be appropriate If it
is in the range, the other divided data of the melody or accompaniment corresponding to the
number of times of detection is specified and the output means is instructed to reproduce, and
one or both of the compression speed and compression depth are out of the appropriate range.
In this case, the output means is instructed to output a warning.
[0011]
Therefore, depending on whether the compression speed and compression strength are within
the appropriate range, only the melody and the accompaniment, the melody and the warning
sound, the accompaniment and the warning sound, and the warning sound are played according
to the chest compression operation. The music can tell about the operation situation of chest
compression.
By listening to the reproduced sound, the person performing the operation has an effect of being
able to objectively know whether the speed or the depth of the compression operation is
appropriate. In addition, by continuing the chest compression operation in a predetermined
proper range, a specific piece of music will be reproduced as a series of pieces of music, so it is
possible to acquire an appropriate sense of movement together with the music, and over a long
period of time It becomes easy to memorize.
[0012]
It is a figure which shows Example 1 of this invention, (A) is a figure which shows a whole
structure, (B) is a figure which shows the relationship between a compression speed and
compression depth, and reproduction | regeneration sound. It is a figure which shows the said
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Example 1, (A) is a figure which shows tone-string data and tone-value data of the melody part in
music, (B) shows tone-string data and tone-value data of the accompaniment part in music. FIG. It
is a figure which shows an example of the table prepared in the apparatus main body of the said
Example 1. FIG. It is a figure which shows the said Example 1, and is a flowchart which shows an
example of the process at the time of chest compression operation.
[0013]
Hereinafter, the best mode for carrying out the present invention will be described in detail
based on examples.
[0014]
First, Embodiment 1 of the present invention will be described with reference to FIGS. 1 to 4.
A present Example is an example using the chest compression assistance system of this invention
as a system for training. FIG. 1A is a view showing an entire configuration of a chest compression
assistance system of the present embodiment, and FIG. 1B is a view showing a relationship
between a compression speed and a compression depth and a reproduction sound. FIG. 2A is a
diagram showing tone series data and tone value data of a melody part in a music, and FIG. 2B is
a diagram showing tone series data and tone value data of an accompaniment part in a song. FIG.
3 is a view showing an example of a table prepared in the apparatus main body of the present
embodiment. FIG. 4 is a flowchart showing an example of processing at the time of chest
compression operation according to the present embodiment.
[0015]
<Basic principle> ... What is important in chest compression in cardiopulmonary resuscitation is
the speed and depth (or strength) of chest compression, and the speed of chest compression is
100 to 120 minutes per minute in the guidelines, and the depth is It is said to squeeze about 5
cm deep while avoiding over compressions exceeding 6 cm. The chest compression, which needs
to be performed at a certain tempo in this way, has a high affinity with music, such as, for
example, that there is an opinion that it should be matched to the song of "Doraemon". It is
possible to objectively judge that chest compression should be performed at an appropriate
speed range and speed, and make it difficult to forget the sense of appropriate motion over a
long period of time after training.
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[0016]
To explain the basic principle, the music data including the melody part and the accompaniment
part is divided in predetermined units along the progression of the music, and each divided data
of the melody and the accompaniment is detected the number of times of chest compression
operation detection Prepare a table associated with. The human body or manikin is provided with
sensor means for detecting the presence or absence of chest compression and the depth (or
displacement) of chest compression. This sensor means may be provided with a sensor that
senses pressure using a piezoelectric element or the like on a fabric to be covered on a human
body or a manikin, or the fabric itself may sense pressure.
[0017]
Then, based on the signal output from the sensor means, the chest compression rate and depth
are calculated. It is determined whether the calculated compression speed and compression
depth fall within a predetermined appropriate range. Depending on the judgment result, divided
data of one or both of the melody and the accompaniment corresponding to the number of times
the chest compression movement is detected is specified and reproduced from the table, and
when it is out of the proper range, the warning is output with sound or light. Be done. Therefore,
if chest compression is continued at a speed and depth (strength) within a predetermined proper
range, it will be reproduced as a continuous music, and therefore the action being performed
while listening to the music, that is, an appropriate sense of chest compression Is easy to learn
and hard to forget.
[0018]
<System Configuration>... Next, the configuration of the chest compression assistance system 10
of the present embodiment will be described with reference to FIG. 1 (A). In the present
embodiment, the chest compression assistance system 10 is configured by a training cloth 20
which is put on the anterior chest 14 of the human model 12, and an apparatus main body 50.
Although the training cloth 20 is in the form of being applied to the front chest 14 of the
manikin 12 in the illustrated example, it may be in the form of a T-shirt or an apron, and in
particular, it is a cloth having a shape unrelated to the human shape. It may be. In the present
embodiment, the training cloth 20 is provided with the display unit 22 indicating the sternum
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and the display unit 24 indicating the compression position, and the display unit 24 indicating
the compression position is provided with the sensor 26. ing. Various known sensors can be used
as the sensor 26 as long as they can detect the presence or absence of chest compression
movement and the depth (or strength) of chest compression, but in the present embodiment, for
example, A sensor that senses pressure using a piezoelectric element is used.
[0019]
The device body 50 includes a CPU 52, a synthesizer (sound generator, sound source) 54, an LED
56, a program memory 60, and a data memory 70. The program stored in the program memory
60 is executed by the CPU 52. At this time, the data stored in the data memory 70 is referred to.
The calculation result is stored in the data memory 70 and according to the calculation result,
according to the chest compression operation, either the melody or the accompaniment of the
music from the synthesizer 54 and the warning sound, both the melody and the accompaniment,
or the warning sound Is played. At this time, the LEDs 56 may be made to emit light in different
colors according to the situation, if necessary.
[0020]
The data memory 70 stores a table 72 in which each piece of divided data obtained by dividing
melody and accompaniment data of music in predetermined units according to the progress of
music is associated with the number of times of detection of chest compression operation. . In
this embodiment, the unit of the smallest note value (the length of time on the musical score
related to the musical tone) in the sounds constituting the melody to be played is applied to one
motion (one time) of chest compression. Then, in the case of a sound longer than the minimum
sound value, the melody is played by continuing chest compression at a depth (strength) within a
predetermined proper range by combining blanking (operation not to play). If the depth of chest
compression is within a predetermined range by incorporating the above-mentioned "blank hit",
in addition to the sound constituting the melody being reproduced, if the compression action has
a constant tempo (uniform speed), The melody can be played back with an accurate rhythm. In
addition, if the speed of chest compression is within a predetermined appropriate range, the
accompaniment part of the music is reproduced.
[0021]
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8
As described above, in this embodiment, the melody of the music is selected in order to press the
sternum at a speed and depth within an appropriate range and to accurately reproduce the music
when performing an operation at a fixed tempo. Each sound constituting the melody and the
accompaniment of the music is divided at the minimum sound value, with the minimum sound
value among the sound values of all the sounds to be configured as a predetermined unit. Then,
the reproduction of the divided data is performed for each sound so that the sound is reproduced
for the first divided data of each divided sound and the sound is not reproduced for the divided
data after the first divided data. A table 72 to which the order, the presence or absence of
regeneration, and the number of detections of the chest compression action are allocated is
prepared.
[0022]
FIG. 2 (A) shows tone train data and note value data of the melody part of the Ministry of
Education chanting song "hometown", and FIG. 2 (B) shows the tone train data and tone value of
the accompaniment part of the hometown. Data is shown. Note that "tone sequence data" as used
herein is time-series data on the pitches of the tones constituting a music, and "tone value data" is
data on the length of a certain tone on the score. . FIG. 3 shows an example of the table 72
incorporating the blank strike as described above. In the present embodiment, the melody range
of the melody is within 1 octave, but the accompaniment range exceeds 1 octave. Therefore,
when expressing the sound string data, a number indicating the relationship of the octave in
addition to the note name. (According to international standard) is also written.
[0023]
As shown in FIG. 2A, in the case of "hometown", the minimum note value in the melody is the
eighth note. The relative sound value of the other sound when this eighth note (minimum sound
value) is "1" is the sound sequence "C4 → C4 → C4 → D4 → E4 → D4 → E4 → E4 → F4. → In
accordance with G4 → rest, the sound value becomes “2 → 2 → 2 → 3 → 1 → 2 → 2 → 2 → 2
→ 4 → 2”. For example, in FIG. 3, when looking at the first one bar, the melody is
"C4.fwdarw.C4.fwdarw.C4" and the note value is "2.fwdarw.2.fwdarw.2". That is, when each
sound is divided into unit expressions by using the minimum sound value as a unit of division,
the first "C4" is divided into two unit expressions (for the second and third sounds in the
illustrated example) The same is true). Here, when one chest compression operation is assigned
to each divided expression, only the first chest compression operation is designated as the
operation to pronounce ("○" in FIG. 3), and the second chest compression operation is
performed. Is designated as a step that does not sound (empty) step ("x" in FIG. 3). Similarly, for
04-05-2019
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the third and subsequent chest compression operations, by designating the operation to generate
sound and the operation not to generate sound, compression of the chest at a certain tempo
within a predetermined appropriate range and at a depth within the predetermined appropriate
range. If done, the melody will be played correctly.
[0024]
In addition, for the accompaniment part, an arpeggio or rhythm pattern in which eighth notes
(the lowest note value of the melody) continue is prepared. FIG. 2 (B) shows an example of the
tone train data and the note value data of the accompaniment part of this embodiment. The
relative note value of the notes constituting the accompaniment when the minimum note value of
the melody is "1" is the tone sequence "C3 → G3 → E4 → G3 → C4 → G3 → G3 → G2 → D3 →
B3 → D3. → The sound value becomes “1 → 1 → 1 →...” Corresponding to “G3 → D3 → C3
→ G3 → E4 → G3 → A3 → F3 → C3 → G3 → E4 → G3 → C3 → G3”. As for the
accompaniment, as in the case of the above-mentioned melody, a blanking mechanism may be
used, but in the present embodiment, the accompaniment corresponds to the tempo (speed) of
chest compression, so the tempo (or rhythm) can be easily understood. Thus, the lowest note
value eighth note is a continuous accompaniment, and there is no accompaniment sound that is
not played. Then, the accompaniment is also divided by the minimum note value (an eighth note)
of the melody, and, as shown in FIG. 3, is stored in association with the number of times the chest
compression operation is detected. That is, although the melody and the accompaniment are
divided in units of the same note value, in the embodiment, since the accompaniment is all
composed of eighth notes, it is pronounced for each chest compression operation. Such an
accompaniment part is reproduced when the speed of chest compression is within a
predetermined proper range. A plurality of the tables 72 may be prepared according to the tunes,
and the tunes known by the trainee 30 may be selected.
[0025]
In addition to the table 72, the data memory 70 stores proper range data 74, correlation data 76,
detection data 78, calculation data 80, music data 82, and warning sound data 84. The
appropriate range data 74 stores the compression rate and compression depth defined based on
the guidelines for chest compression in the cardiopulmonary resuscitation. The correlation data
76 indicates the correlation between the intensity of the output signal of the sensor 26 and the
compression depth in advance. Although the sensor 26 of the present embodiment does not
directly detect the compression depth, since the detected signal strength and the compression
depth are correlated, these correlation data 76 are prepared in advance. It is possible to calculate
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compression depth indirectly by referring to the correlation data 76 when a signal is detected.
[0026]
The detection data 78 stores the output signal output from the sensor 26. The calculation data
80 stores data such as compression speed and compression depth calculated based on the
detection data 78. The music data 82 is tone train data and tone value data of the melody and
accompaniment of the music. The music data 82 may be prepared in advance in the device body
50, or may be acquired via an input device (not shown) and stored in the data memory 70. The
warning sound data 84 is data of a warning sound such as an alarm which is output when one or
both of the speed or depth of chest compression are out of an appropriate range. The warning
sound may be a common sound when the compression speed is out of the proper range and
when the compression depth is out of the proper range, or may be provided separately.
[0027]
Next, the compression speed / depth calculation program 62 of the program memory 60
determines the presence or absence of chest compression from the detection data 78 of the data
memory 70 based on the presence or absence of the output signal, and based on the output
signal The compression depth is calculated. For example, the compression speed is calculated
from the interval of the signal output and the detection timing, and the compression depth is
calculated by comparing the intensity of the output signal with the correlation data 76. The
calculated data is stored in the data memory 70 as operation data 80.
[0028]
The output instruction program 64 of the program memory 60 determines whether or not the
compression speed and compression depth calculated by the calculation program 62 are within
predetermined appropriate ranges with reference to the appropriate range data 74, and the
determination results In response to this, it instructs the reproduction of the music and the
output of a warning. Specifically, the output instruction program 64 refers to the table 72 when a
chest compression operation is detected, and when the compression speed is within the
appropriate range, the divided data of the accompaniment corresponding to the number of times
of detection If the compression depth is within the appropriate range, division data of the melody
corresponding to the number of times of detection is specified. Then, the divided data (music
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data) is input to the synthesizer 54, and its oscillation is output as an audible sound (synthesized
sound). This instructs the reproduction of the melody. In addition, when one or both of the
compression speed and the compression depth are out of the proper range, a warning sound is
instructed to be reproduced. The synthesizer 54 simultaneously outputs the melody,
accompaniment and warning sound in response to an instruction from the output instruction
program 64.
[0029]
The music data acquisition program 66 is for acquiring the tone string data and tone value data
of the melody and accompaniment of the music to be reproduced. Acquisition of music data may
be performed using an input device (not shown), or a data card storing music data is inserted and
loaded in a card slot (not shown) provided in the device main body 50, etc. You may In addition,
it is not necessary to acquire from the outside, and a large number of music data may be
accumulated in advance in the device main body 50, and a favorite music may be selected from
them, in which case the input device or the above The music data acquisition program 66 can be
omitted.
[0030]
FIG. 1B shows the contents of the reproduction instruction by the output program 64. For
example, (1) When the speed and depth (strength) of the chest compression are both
appropriate, the melody and accompaniment of "hometown" are simultaneously reproduced in
accordance with the chest compression operation. (2)If the speed and depth of chest
compression are both out of the proper range (insufficient or excessive), a warning sound is
reproduced. (3)If the chest compression speed is appropriate but the chest compression depth is
out of the appropriate range (insufficient or excessive), the accompaniment part of "hometown"
will be played along with the chest compression action and a warning sound will sound . (4)If the
depth of chest compressions is appropriate but the speed of chest compressions is out of the
proper range (insufficient or excessive), the melody part of "hometown" will be played along with
the operation of chest compressions and a warning sound will sound . And so on. The trainee 30
can judge whether the speed and depth of chest compression are appropriate or not by listening
to the music and the warning sound that the synthesizer 54 reproduces.
[0031]
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<Operation> ... Next, the procedure of training by the chest compression assistance system 10 of
the present embodiment will be described with reference to FIG. When the trainee 30 performs
chest compression (step S10), the sensor 26 detects the motion (step S12), and the output signal
is stored as the detection data 78 in the data memory 70, and the compression speed / depth
calculation program 62 Thus, the compression speed and the compression depth are calculated
(step S14). The output instruction program 64 refers to the appropriate range data 74 whether
the calculated compression speed and compression depth is within a predetermined appropriate
range, and when it is determined that both the compression speed and the compression depth
are within the appropriate range (at step S16) Yes) referring to the table 72, specifying melody
data and accompaniment data corresponding to the detected number of chest compression
operations, reading out from the music data 82, and instructing the synthesizer 54 to reproduce
(step S18). At this time, the synthesizer 54 reproduces the melody and the accompaniment in
accordance with the pressing operation.
[0032]
On the other hand, if either compression speed or compression depth is not within the
appropriate range (No at step S16) and the compression speed is within the appropriate range
(Yes at step S20), compression depth is insufficient or excessive (step S22) The output
instruction program 64 refers to the table 72, identifies accompaniment data corresponding to
the number of times of chest compression motion detection, reads it from the music data 82, and
reproduces the accompaniment together with a warning sound to the synthesizer 54. Instruct
them to The synthesizer 54 reproduces the accompaniment and the warning sound in
accordance with the chest compression operation (step S24).
[0033]
If any of the compression speed and compression depth is not within the appropriate range (No
in step S16), and the compression speed is not within the appropriate range (No in step S20) and
the compression depth is appropriate (Yes in step S26) Since the compression speed is
insufficient or excessive (step S28), the output instruction program 64 refers to the table 72 to
specify melody data corresponding to the number of times the chest compression operation is
detected, and from the music data 82 It reads out and instructs the synthesizer 54 to reproduce
the melody together with the warning sound. The synthesizer 54 reproduces the melody and the
warning sound in accordance with the chest compression operation (step S30).
04-05-2019
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[0034]
Furthermore, when either the compression speed or compression depth is not within the
appropriate range (No in step S16), and the compression speed is not within the appropriate
range (No in step S20), and the compression speed is not within the appropriate range (in step
S26) No) indicates that the compression speed and the compression depth are both out of the
appropriate range (step S32), the output instruction program 64 instructs the reproduction of
the warning sound without referring to the table 72, and the synthesizer 54 The warning sound
is reproduced (step S34).
[0035]
As described above, for each chest compression operation, any one of the melody,
accompaniment, and warning sound of the music is reproduced according to the operation
condition (steps S18, S24, S30, and S34), and the training is not ended. (No in step S36) returns
to step S10, repeats the above-described routine, and ends the training (Yes in step S36).
[0036]
As described above, according to the first embodiment, the sensor 26 is provided on the training
cloth 20 covering the anterior chest 14 of the mannequin 12, and the melody and the
accompaniment of the music are divided in predetermined units on the device main body 50 side.
And a table 72 in which the number of detections of the chest compression operation is
associated.
Then, when it is detected in the device main body 50 that chest compression has occurred, it is
determined whether the compression speed and compression strength are within a
predetermined appropriate range, and according to the result, the operation of chest
compression is performed In order to reproduce only the melody and the accompaniment, the
melody and the warning sound, the accompaniment and the warning sound, and the warning
sound, the trainee 30 listens to the reproduced sound, and the speed and depth of the squeezing
action Has the effect of being able to objectively know whether or not
Further, by continuously performing the chest compression operation in a predetermined proper
range, a specific song is reproduced as a series of songs. Then, even if time has passed since
training, it is easy to remember the sense of motion linked to the music, "that's the speed and
strength of that song," and it becomes possible to memorize appropriate motion over a long
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period of time .
[0037]
Furthermore, in the present embodiment, all the sounds constituting the melody of the music and
the accompaniment are divided based on the sound of the minimum tone value of all the sounds
constituting the melody, and the first divided for each sound. The part was reproduced by
detecting the chest compression movement, and for the part after the first part, no sound was
reproduced even if the movement was detected. For this reason, if the compression depth is in
the appropriate range, in addition to the sound constituting the melody being reproduced, the
melody can be reproduced correctly if it operates at a constant tempo (constant velocity). That is,
by training to become a more accurate melody, it is possible to acquire a sense of movement at a
constant tempo, and even when time passes from training, remember the sense of movement in
conjunction with the music. , Has the effect of being easy to reproduce.
[0038]
The present invention is not limited to the embodiments described above, and various
modifications can be made without departing from the scope of the present invention. For
example, the following are also included. (1)In the above embodiment, the training cloth 20 is in
the form of an apron covering the front chest 14 of the manikin 12, but this is also an example,
and it may be a handkerchief, a towel, or a sheet. . Further, the displays 22 and 24 provided on
the training cloth 20 are also examples, and may be provided as needed. (2)In the above
embodiment, the training cloth 20 is provided with the sensor 26. However, this is also an
example, and the cloth itself may have a sensor function. (3)Although the sensor 26 is provided
on the training cloth 20 to be put on the human body model 12 in the embodiment, the sensor
26 may be incorporated in the human body model 12 itself and the training cloth may not be
used.
[0039]
(4)
Although the output signal from the sensor 26 is transmitted to the apparatus main body 50 by a
cable or the like in the above embodiment, this is also an example, and various known shortdistance wireless communication techniques may be used. (5)In the above-mentioned
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embodiment, although "hometown" was mentioned as an example as music reproduced, it is
needless to say that it is not limited to this. In addition, the trainee may be able to select a
plurality of songs. (6)The calculation based on the detection signal shown in the above-described
embodiment is also an example, and can be appropriately changed within the range where the
same effect is obtained.
[0040]
(7)
In the above embodiment, the presence or absence of chest compression and the displacement of
chest compression are detected by one sensor, but this is also an example, and use of two or
more sensors is not prevented. (8)In the above-described embodiment, only the melody part uses
the "blank" mechanism that does not sound, but the accompaniment part may use the blank
mechanism. In the above embodiment, the accompaniment part is composed of only the sound of
the eighth note which is the lowest note value of all the sounds constituting the melody, but this
is also an example, The sound of the note value may be used, and in this case as well, the melody
and the accompaniment may be divided in the unit of the same note value. (9)Since the
correlation data 76 may differ depending on the hardness of the phantom 12 or the like, a
plurality of patterns may be prepared, and the correlation data to be referred to may be changed
according to the situation.
[0041]
(10)
In the above embodiment, when the compression speed and the compression depth are out of the
appropriate range, the warning by sound is performed, but this is also an example, and the
warning by sound or in place of the warning by sound is LED The warning may be given by light
emission by (11)In the above embodiment, the melody is reproduced when the compression
depth is within the appropriate range, and the accompaniment is reproduced within the
appropriate range of the compression speed. However, the present invention is not limited to
this. The correspondence between the melody and the accompaniment may be reversed.
(12)Although the human model 12 is used for training in the above embodiment, the present
invention does not prevent the use for actual cardiopulmonary resuscitation chest compression.
[0042]
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16
According to the present invention, only the melody and the accompaniment, the melody and the
accompaniment, the accompaniment and the warning and the alert are adjusted according to the
operation of the chest compression depending on whether or not the speed and the depth of the
chest compression are within the appropriate range. By outputting, it is possible to inform the
operating condition of chest compression by music. Therefore, the person performing the
operation can objectively know whether the speed or the depth of the compression operation is
appropriate by listening to the reproduced sound. In addition, by continuing the chest
compression operation in a predetermined proper range, a specific piece of music will be
reproduced as a series of pieces of music, so it is possible to acquire an appropriate sense of
movement together with the music, and over a long period of time Since it becomes easy to
memorize, it is applicable to the use of a chest compression assistance system. In particular, the
use of an impressive music at the time of training makes it easier to remember, and thus is
suitable as a training system.
[0043]
10: chest compression assistance system 12: human model 14: anterior chest 20: training cloth
22, 24: display 26: sensor 30: trainee 50: device main body 52: CPU 54: synthesizer 56: LED 60:
program memory 62 : Compression speed / depth calculation program 64: Output instruction
program 66: Music data acquisition program 70: Data memory 72: Table 74: Appropriate range
data 76: Correlation data 78: Detection data 80: Calculation data 82: Music data 84: Warning
sound data
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