JP2020036815A - Biological information measuring system - Google Patents

Abstract

To improve usability of a biological information measuring system.SOLUTION: A system is provided with a biological information measuring device 1 having a transmitter 3, and a cellular phone 8. The transmitter 3 includes a sensor 7, a measurement unit 9, a control unit 10, a communication unit 11, and a sensor disconnection detection unit 30 that detects that the sensor 7 is removed. The control unit 10 has a measurement mode and a measurement stop mode, and executes the measurement stop mode when the sensor disconnection detection unit 30 detects that the sensor 7 has been removed. The cellular phone 8 includes a communication unit 21, a control unit 20, an input unit 28, and a display unit 19. The control unit 20 causes the display unit 19 to display an instruction to release the transmitter 3 attached to the human body when the measurement stop is input via the input unit 28.SELECTED DRAWING: Figure 4

Description

  The present invention relates to, for example, a biological information measurement system that performs continuous blood glucose measurement.

The configuration of the conventional biological information measurement system is as follows.
That is, the biological information measurement system includes a biological information measurement device having a transmitter that is worn on a human body, and an external device that communicates with the biological information measurement device. The transmitter includes a sensor indwelled in a human body, a measurement unit connected to the sensor, a first control unit connected to the measurement unit, and a first communication connected to the first control unit. And a part. The external device is connected to a second communication unit that communicates with the first communication unit of the transmitter, a second control unit connected to the second communication unit, and connected to the second control unit. And a display unit connected to the second control unit (for example, Patent Document 1 below).

  Then, the transmitter is worn on a human body and used for a measurement period (for example, two weeks), and is replaced with a new transmitter 3 after the measurement period expires.

JP-T-2013-523217A

The problem in the above conventional example is that the usability of the biological information measurement system is poor.
That is, the transmitter is replaced by a new transmitter after the expiration of the measurement period, but there is a case where the transmitter is desired to be replaced during the measurement period. For example, if sleep is started when the remaining measurement period is six hours, the measurement period may expire during sleep. For this reason, there is a demand to replace the transmitter even during the measurement period.

The conventional biological information measurement system could not respond to a request to replace the transmitter during the measurement period, and as a result, was inconvenient to use.
Therefore, an object of the present invention is to improve the usability of the biological information measurement system.

  In order to achieve this object, a biological information measuring device of the present invention includes a biological information measuring device having a transmitter worn on a human body, and an external device that communicates with the biological information measuring device. The transmitter includes a sensor indwelled in a human body, a measurement unit connected to the sensor, a first control unit connected to the measurement unit, a first communication unit connected to the first control unit, A sensor disconnection detection unit connected to the first control unit and detecting separation of the sensor, wherein the first control unit is configured to perform a measurement mode in which the measurement of the measurement unit is performed and to stop the measurement of the measurement unit. A measurement stop mode, wherein the measurement stop mode is executed when the sensor detachment detection unit detects the separation of the sensor. The external device includes: a second communication unit that communicates with the first communication unit of the transmitter; a second control unit connected to the second communication unit; an input unit connected to the second control unit; A display unit connected to the second control unit, wherein the second control unit displays an instruction to peel off the transmitter mounted on the human body when measurement suspension is input via the input unit. Is displayed.

  With this configuration, the intended purpose is achieved.

According to the present invention, when the user wants to replace the transmitter during the measurement period, if the user inputs the stop of the measurement via the input unit of the mobile phone (an example of the external device), the transmitter mounted on the human body is changed. An instruction for peeling is displayed on the display unit of the mobile phone.
The user who sees this instruction can understand that "to stop the measurement, simply remove the transmitter 3 from the human body 6".

Thereafter, when the user removes the transmitter from the human body, the transmitter performs the measurement stop mode when the sensor detachment detecting unit detects the detachment of the sensor.
That is, the user can stop the measurement of the transmitter at a convenient time by using the mobile phone, and thereafter can exchange the transmitter.
As a result, the usability of the biological information measurement system can be improved.

FIG. 2 is a perspective view showing a use state of the biological information measuring device according to the first embodiment of the present invention. FIG. 2 is a perspective view of the biological information measuring device in FIG. 1. The front view of the biological information measuring device of FIG. FIG. 2 is a control block diagram of the transmitter of FIG. 1. FIG. 2 is a control block diagram of the mobile phone in FIG. 1. 2 is a control flowchart of the transmitter and the mobile phone in FIG. 1. Diagram showing display on conventional mobile phone FIG. 2 is a diagram showing a display on a display unit in the mobile phone of FIG. 1. FIG. 2 is a diagram showing a display on a display unit in the mobile phone of FIG. 1. FIG. 2 is a diagram showing a display on a display unit in the mobile phone of FIG. 1. FIG. 2 is a diagram showing a display on a display unit in the mobile phone of FIG. 1. 2 is a control flowchart of the transmitter and the mobile phone in FIG. 1. 2 is a control flowchart of the transmitter and the mobile phone in FIG. 1. FIG. 2 is a diagram showing a display on a display unit in the mobile phone of FIG. 1. FIG. 2 is a diagram showing a display on a display unit in the mobile phone of FIG. 1. FIG. 2 is a diagram showing a display on a display unit in the mobile phone of FIG. 1. FIG. 2 is a diagram showing a display on a display unit in the mobile phone of FIG. 1. FIG. 2 is a diagram showing a display on a display unit in the mobile phone of FIG. 1. FIG. 2 is a diagram showing a display on a display unit in the mobile phone of FIG. 1. FIG. 2 is a diagram showing a display on a display unit in the mobile phone of FIG. 1.

Hereinafter, an embodiment of the present invention will be described in detail with reference to the drawings.
(Embodiment 1)
1 and 2 are diagrams showing the configuration of the biological information measuring device 1.
The biological information measuring device 1 includes a base unit 2 mounted on a human body, and a transmitter 3 (an example of a measuring device for measuring biological information) mounted on the base unit 2. The base unit 2 has a sensor unit 4. The transmitter 3 has a thin plate shape.

Then, as shown in FIG. 1, the base unit 2 is attached to a part (for example, an upper arm) of the human body 6 by the sensor insertion device 5.
The transmitter 3 is mounted on the upper surface of the base unit 2 mounted on the human body 6.
FIG. 3 shows a state where the base unit 2 is mounted on the human body 6 and the transmitter 3 is mounted on the base unit 2.

Almost all sides of the transmitter 3 are included in the base unit 2. That is, the transmitter 3 is configured such that once mounted on the base unit 2, the transmitter 3 cannot be easily removed from the base unit 2.
Below the base unit 2, the sensor 7 of the sensor unit 4 is placed in the human body 6. The sensor 7 measures biological information of the human body 6 and transmits the measured value to, for example, a mobile phone 8 (an example of an external device) using the communication function of the transmitter 3.

In the present embodiment, the biological information measurement system 1 and the mobile phone 8 constitute a biological information measurement system 1A.
The biological information measuring device 1 of the present embodiment is a device that performs continuous blood glucose measurement as biological information, and measures a blood glucose level every minute, for example, continuously for two weeks. Thereby, for example, it is possible to grasp the tendency of the blood glucose state of the patient who needs to control the blood glucose level and the blood glucose state when sleeping.

FIG. 4 shows a control block diagram of the transmitter 3.
In the transmitter 3, the measurement unit 9 is electrically connected to the sensor unit 4 and the control unit (first control unit) 10. A communication unit (first communication unit) 11 for communicating with the mobile phone 8 and a clock 12 are electrically connected to the control unit 10.
Further, a battery 13 (an example of a power supply unit) is electrically connected to the control unit 10. A power switch 14 and a power switch 15 are provided between the control unit 10 and the battery 13 on the power supply circuit.

A switch operation circuit 16 is connected to the power switch 15. The switch operation circuit 16 is connected to the control unit 10, and is also connected between the power switch 14 and the power switch 15.
The power switch 14 is switched on by being short-circuited. Then, in order to short-circuit the power switch 14, the base unit 2 has a conductive operation plate 17 (an example of an operation unit, see FIG. 2).

The power switch 15 is operated by a switch operation circuit 16 operated by the control unit 10.
The operation of the power switch 14 and the power switch 15 will be described later.
The storage unit (first storage unit) 18 is connected to the control unit 10.
The storage unit 18 stores control software of the control unit 10, measurement values of the measurement unit 9, and the like.

The battery 13 supplies power to the control unit 10 and each unit (the measurement unit 9, the communication unit 11, the clock 12, and the like) connected to the control unit 10.
FIG. 5 shows a control block diagram of the mobile phone 8.
A display unit 19 is provided on the upper surface of the mobile phone 8 (see FIG. 4).
The display unit 19 is electrically connected to a control unit 20 in the mobile phone 8.

A communication unit (second communication unit) 21 that communicates with the communication unit 11 of the transmitter 3, a clock 22, a storage unit (second storage unit) 23, and a battery 24 are electrically connected to the control unit 20. I have.
The storage unit 23 stores control software of the control unit 20, measurement values received via the communication unit 21, and the like. The battery 24 supplies power to the control unit 20 and each unit (the display unit 19, the communication unit 21, the clock 22, and the like) connected to the control unit 20.

  Further, the control unit 20 includes a device information analysis unit 25 that analyzes communication contents from the transmitter 3, a radio field intensity determination unit 26 that determines the radio field intensity (radio wave size) of the radio wave received by the communication unit 21, And a command generation unit 27 that generates various commands to be transmitted to the C.3. Further, an input unit 28 for a user to make an input is connected to the control unit 20.

As shown in FIG. 4, in the transmitter 3, the control unit 10 includes a command detection unit 29 that detects a command transmitted from the mobile phone 8. A sensor detachment detecting unit 30 that detects that the sensor 7 has detached from the human body 6 is connected to the control unit 10.
The transmitter 3 and the mobile phone 8 can communicate with each other over a distance of several meters (for example, 6 meters) via the communication unit 11 and the communication unit 21. For this reason, the transmitter 3 and the mobile phone 8 can communicate in a general room even if they are apart from each other.

Hereinafter, the operation of the biological information measuring device 1 will be described.
As shown in FIG. 2, when the user mounts an unused transmitter 3 on the base unit 2, the mounting operation causes the sensor unit 4 of the base unit 2 to move to the measuring unit 9 (see FIG. 4) of the transmitter 3. Electrically connected. In addition, by this mounting operation, the operation plate 17 of the base unit 2 short-circuits the power switch 14 in FIG. 4, and the power switch 14 shifts to the ON state.

When the power switch 14 shifts to the ON state, as shown in FIG. 4, power is supplied from the battery 13 to the switch operation circuit 16, and the switch operation circuit 16 operates the power switch 15 to shift to the ON state. Then, power is supplied from the battery 13 to the control unit 10, so that the transmitter 3 is started (T1 in FIG. 6).
When the unused transmitter 3 starts, the transmitter 3 performs an authentication operation with the mobile phone 8. Specifically, the transmitter 3 transmits a connection request to the mobile phone 8 for mutual authentication (pairing). The mobile phone 8 receives the connection request of the transmitter 3. At this time, the mobile phone 8 may also receive a connection request from another device (for example, a keyboard, a mouse, a headphone, another used or used transmitter).

  In the conventional biological information measurement system, the mobile phone 8 displays a list of devices corresponding to the received connection request, as shown in FIG. Then, the user is caused to select an unused transmitter 3 ("sensor" in FIG. 7) for performing mutual authentication. However, when many devices are displayed, it is difficult for the user to select an unused transmitter 3 from among them.

Therefore, in the present embodiment, the transmitter 3 and the mobile phone 8 that are not used are configured to be able to automatically authenticate each other, and the user's selection operation on the mobile phone 8 is unnecessary.
This will be described in detail below.
In the mutual authentication, the control unit 10 starts a connection request to the mobile phone 8 via the communication unit 11. Specifically, the new information of the transmitter 3 is transmitted to the mobile phone 8 (T2, T3 in FIG. 6).

The brand new information indicates that the transmitter 3 is unused. The new product information is included in the device identification information. The device identification information holds the identification information of the transmitter 3 together with the new product information. The device identification information is stored in the storage unit 18.
In the mutual authentication, the control unit 10 transmits device identification information including new product information.
As shown in FIG. 8, the mobile phone 8 displays a button indicating “new connection” on the display unit 19 and inquires of the user whether to use an unused transmitter 3. When the user operates the “new connection” button, the mobile phone 8 starts a scanning operation and receives a connection request (device identification information) from an unused transmitter 3. (K1, K2 in FIG. 7).

Next, as shown in FIG. 9, the mobile phone 8 displays “Please move closer to the sensor” to urge the user to bring the mobile phone 8 closer to the transmitter 3.
In the mobile phone 8, the radio wave intensity determination unit 26 determines whether or not the radio wave intensity of the connection request (the maximum value of the radio wave) is larger than a predetermined first reference value. When the radio field intensity is larger than the first reference value, it is determined that the mobile phone 8 is at a predetermined distance from the transmitter 3.

Further, the radio wave intensity determination unit 26 determines whether or not the amount of change in the radio wave intensity of the repeatedly received connection request is greater than a predetermined second reference value. Then, when the amount of change in the radio wave intensity is larger than the second predetermined reference value, it is determined that the mobile phone 8 is approaching the transmitter 3.
Note that the first reference value and the second reference value are stored in the storage unit 23 in advance.

  Further, the radio wave intensity determination unit 26 detects the peak value of the radio wave of the connection request (the highest value of the peak of the radio wave intensity). Then, when the peak value of the radio wave is detected, it is determined that the mobile phone 8 has been brought closer to the transmitter 3 by the user and moved away again. Then, from the radio wave intensities of the plurality of received radio waves, the radio wave having the largest peak of the radio wave intensity is determined. Specifically, the device having the largest radio wave intensity peak is determined to be the transmitter 3 to which the mobile phone 8 has approached.

The control unit 20 at least “the radio wave intensity of the received radio wave is larger than a predetermined first reference value” and “the change amount of the radio wave intensity of the received radio wave is larger than the predetermined second reference value” At this time, the device transmitting the radio wave is recognized as a device close to the mobile phone 8 and a device approaching the mobile phone 8. Then, this device is determined to be the transmitter 3.
The detection accuracy of the transmitter 3 can be improved by “detecting the device having the largest radio wave intensity peak”.

When detecting the transmitter 3 by the radio wave of the connection request (device identification information), the control unit 20 analyzes the device identification information using the device information analysis unit 25 (K3 in FIG. 6).
The device information analysis unit 25 determines whether new device information is included in the device identification information (K4 in FIG. 6).
When detecting the device identification information of the device other than the transmitter 3, the device information analysis unit 25 determines that the device is “not the transmitter 3 but the device to which the mobile phone 8 happened to approach”. The control unit 20 returns to K2 in FIG. 7 and starts scanning the connection request again.

  The device information analysis unit 25 detects the device identification information of the transmitter 3, and when the device identification information includes the new information, the device is determined to be “unused transmitter 3”. As shown in FIG. 10, the control unit 20 displays "Sensor 01 has been detected. Do you want to connect?", And confirms to the user whether the detected transmitter 3 is correct.

When the user operates the “No” button in FIG. 10, the process returns to K2 in FIG. 7 and starts scanning for a connection request again.
When the user operates the “Yes” button in FIG. 10, the control unit 20 performs mutual authentication with the transmitter 3. Note that the mutual authentication is a commonly known operation of the mutual authentication, and thus the details are omitted. If the mutual authentication is successful, the connection between the transmitter 3 and the mobile phone 8 is completed. Thereafter, the transmitter 3 and the mobile phone 8 perform one-to-one communication (K5, K6, T4 in FIG. 6).

  If the mutual authentication is successful, the control unit 20 displays "Connected to the sensor" as shown in FIG. 11, and notifies the user that the mutual authentication has been completed. Thereafter, the mobile phone 8 receives the measurement values (blood sugar levels) transmitted from the transmitter 3 every 5 minutes, and sequentially stores the measurement results in the storage unit 23. The reception of the measurement value is continued using the clock 22 until the measurement period (for example, two weeks) elapses (K7 in FIG. 6).

In the transmitter 3, after the mutual authentication succeeds, the control unit 10 deletes the new information from the device identification information. Then, the device identification information from which the new product information has been deleted is stored in the storage unit 18 (T5 in FIG. 6).
Thereafter, the transmitter 3 measures the blood sugar level (an example of the measured value) every minute, for example, and sequentially stores the measurement results in the storage unit 18. Then, the blood sugar level stored in the storage unit 18 is transmitted to the mobile phone 8 at, for example, every five minutes (an example of a first interval). Such measurement processing and transmission processing are performed, for example, continuously for two weeks (T6 in FIG. 6).

As described above, in the present embodiment, the unused transmitter 3 transmits a connection request to the mobile phone 8 and transmits new product information at the time of mutual authentication.
The mobile phone 8 selects an unused transmitter 3 from among a number of devices based on the received new information.
That is, since the mobile phone 8 can select an unused transmitter 3, the selection operation by the user becomes unnecessary, and the usability can be improved.

In the present embodiment, as described above, the control unit 10 of the transmitter 3 deletes the new information of the transmitter 3 from the storage unit 23 when the mutual authentication is successful. Therefore, when the transmitter 3 is detached, the used transmitter 3 does not hinder the authentication work between the new transmitter 3 and the mobile phone 8.
As described above, the transmitter 3 establishes communication with the mobile phone 8. Then, the transmitter 3 is used for a predetermined measurement period (for example, two weeks). In actual use, there may be a case where the transmitter 3 needs to be replaced even during the measurement period.

Therefore, in the present embodiment, replacement of the transmitter 3 during the measurement period is supported.
The details will be described below.
FIG. 12 is an operation flowchart of the transmitter 3 and the mobile phone 8. In the following description, the control unit 20 of the mobile phone 8 displays various information and various operation buttons on the display unit 19. The user operates the operation buttons on the display unit 19 using the input unit 28.

When the user operates the “measurement stop button” on the blood sugar level measurement screen displayed on the mobile phone 8 (see FIG. 14), the control unit 20 causes the user to confirm the measurement stoppage in FIG. Is displayed, "Do you want to stop the measurement?" (K1, K2 in FIG. 12).
When the user operates the “Yes” button in FIG. 15 (K3 in FIG. 12), the control unit 20 determines that measurement suspension has been input via the input unit 28, and starts the measurement suspension operation. Specifically, as shown in FIG. 16, “Please peel off the sensor” is displayed, and the user is instructed to peel off the transmitter 3 attached to the human body 6. The user who sees this instruction can understand that "to stop the measurement, simply remove the transmitter 3 from the human body 6" (K4 in FIG. 12).

When the user peels off the transmitter 3 from the human body 6 and operates the “peeled off” button in FIG. 16, the control unit 20 displays “Please keep the sensor at hand and wait for a while” as shown in FIG. Let it. The control unit 20 starts the scanning operation and waits for a connection request from the transmitter 3 (K5 in FIG. 12).
At this time, the control unit 10 of the transmitter 3 has a measurement mode in which measurement by the measurement unit 9 is performed and a measurement stop mode in which measurement by the measurement unit 9 is stopped. The controller 10 is connected to a sensor detachment detecting unit 30. The sensor detachment detection unit 30 compares the measurement value of the measurement unit 9 with the reference value, for example, and determines that the sensor 7 has separated from a predetermined position of the human body 6 when a measurement value outside the reference value is detected. The sensor detachment detection unit 30 notifies the control unit 10 of the separation of the sensor 7. The control unit 10 that has received the notification is configured to execute the measurement stop mode.

When the transmitter 3 is peeled off by the user, the transmitter 3 performs measurement every minute in the measurement mode, and the control unit 10 of the transmitter 3 waits until the next measurement timing (T1 in FIG. 12). ).
When the measurement timing comes, the control unit 10 performs measurement using the measurement unit 9 and stores the measurement result in the storage unit 18. Further, the control unit 10 detects the separation of the sensor 7 from the human body 6 using the sensor detachment detection unit 30 (T2 in FIG. 12).

  When the control unit 10 determines that the sensor 7 has not peeled off (that is, the transmitter 3 is mounted on the human body 6), the control unit 10 continues the measurement mode. That is, it is confirmed whether or not the measurement timing is a communication timing every five minutes. At the communication timing, the blood glucose level stored in the storage unit 18 is transmitted to the mobile phone 8. Thereafter, returning to T1 in FIG. 12, the measurement mode is continued (T3, T4 in FIG. 12).

  At T3 in FIG. 12, when the control unit 10 determines that the sensor 7 has separated, it determines that the transmitter 3 mounted on the human body 6 has been separated from a predetermined position. That is, when the user who sees the peeling instruction of the mobile phone 8 peels off the transmitter 3 from the human body 6, the transmitter 3 detects that the transmitter 3 attached to the human body 6 has peeled off by detecting the peeling of the sensor 7. You do it.

When detecting the separation of the sensor 7, the control unit 10 starts the measurement stop mode. In the measurement stop mode, the control unit 10 transmits a connection request to the mobile phone 8 using the communication unit 11 (T5 in FIG. 12).
Upon receiving the connection request from the transmitter 3, the mobile phone 8 establishes a connection with the transmitter 3 (K6, K7, T6 in FIG. 12). Then, it waits for transmission from the transmitter 3.

When the connection with the mobile phone 8 is established, the transmitter 3 transmits a sensor disconnection error indicating that the sensor 7 has deviated from the predetermined position to the mobile phone 8 (T7 in FIG. 13). Thereafter, all the untransmitted measured values in the storage unit 18 are transmitted to the mobile phone 8 (T8 in FIG. 13).
When receiving the sensor detachment error (K8 in FIG. 13), the control unit 20 of the mobile phone 8 determines that the transmitter 3 is in the measurement stop mode. Then, the control unit 20 acquires the untransmitted measurement value sent from the transmitter 3 and displays the acquisition status as shown in FIG. 19 (K9 in FIG. 13). When receiving all the measurement values, the control unit 20 transmits a measurement completion notification to the transmitter 3 (K10 in FIG. 13).

When the control unit 10 of the transmitter 3 receives the measurement completion notification from the mobile phone 8, the control unit 10 performs a predetermined measurement end process and enters the used state (T9 and T10 in FIG. 13).
Then, the mobile phone 8 displays "Do you want to use a new sensor?" (See FIG. 20), and asks the user whether or not to replace it with a new transmitter 3 (K11 in FIG. 20). The user operates the “Yes” button in FIG. 20 to replace the transmitter 3 with a new one.

As described above, in the present embodiment, when the user wants to replace the transmitter 3 during the measurement period, if the user inputs the stop of the measurement via the input unit 28 of the mobile phone 8, the transmitter 3 is worn on the human body. The instruction to peel off the transmitter 3 is displayed on the display unit 19 of the mobile phone 8.
When the user who sees this instruction removes the transmitter 3 from the human body, the transmitter 3 executes the measurement stop mode when the sensor detachment detecting unit 30 detects the detachment of the sensor 7.

That is, the user can stop the measurement of the transmitter 3 at a convenient time by using the mobile phone 8, so that the transmitter 3 can be replaced thereafter.
As a result, the usability of the biological information measurement system can be improved.
As described above, when the user peels transmitter 3 off human body 6 and operates the “peeled” button in FIG. 16, control unit 20 starts a scanning operation and waits for a connection request from transmitter 3 (see FIG. 16). 12 K5, K6).

  At this time, when a connection request from the transmitter 3 cannot be received for a predetermined time (time-out), the control unit 10 displays on the display unit 19 a message to confirm whether the removed transmitter 3 is in the vicinity of the external device. It is displayed (K12, K13 in FIG. 12). Specifically, as shown in FIG. 18, the message “Have the sensor been removed and placed at hand?” Is displayed. When the user who sees this display places the transmitter 3 at hand, the transmitter 3 approaches the mobile phone 8. Thereby, the mobile phone 8 can appropriately receive the connection request of the transmitter 3.

  The present invention is expected to be used, for example, as a biological information measurement system for performing continuous blood glucose measurement.

DESCRIPTION OF SYMBOLS 1 Biological information measuring device 1A Biological information measuring system 2 Base unit 3 Transmitter 4 Sensor unit 5 Sensor insertion device 6 Human body 7 Sensor 8 Cellular phone 9 Measurement part 10 Control part (first control part)
11 communication unit (first communication unit)
12 Clock 13 Battery (Example of power supply unit)
14 power switch 15 power switch 16 switch operation circuit 17 operation plate 18 storage unit (first storage unit)
19 display unit 20 control unit 21 communication unit (second communication unit)
22 clock 23 storage unit (second storage unit)
24 Battery 25 Device information analysis unit 26 Radio wave intensity judgment unit 27 Command generation unit 28 Input unit 29 Command detection unit 30 Sensor detachment detection unit

Claims (4)

A biological information measuring device having a transmitter mounted on a human body, and an external device communicating with the biological information measuring device,
The transmitter,
A sensor placed in the human body,
A measuring unit connected to the sensor,
A first control unit connected to the measurement unit;
A first communication unit connected to the first control unit;
A sensor disconnection detection unit connected to the first control unit and detecting separation of the sensor,
The first control unit has a measurement mode in which measurement by the measurement unit is performed, and a measurement stop mode in which measurement by the measurement unit is stopped, and detects separation of the sensor by the sensor detachment detection unit. When the measurement is performed, the measurement stop mode is performed,
The external device includes:
A second communication unit that communicates with the first communication unit of the transmitter;
A second control unit connected to the second communication unit;
An input unit connected to the second control unit;
A display unit connected to the second control unit,
The second control unit is configured to, when a measurement stop is input via the input unit, display an instruction to peel off the transmitter mounted on a human body on the display unit,
Biological information measurement system. The second control unit of the external device performs a display on the display unit to confirm the separation of the transmitter,
The biological information measurement system according to claim 1. The first control unit of the transmitter transmits a connection request to the external device when the sensor detachment detection unit detects separation of the sensor.
The biological information measurement system according to claim 1. The second control unit of the external device, when a connection request from the transmitter can not be received for a predetermined time, displays on the display unit to confirm whether or not the transmitter is in the vicinity of the external device,
The biological information measurement system according to claim 3.

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