JP2008228924A - Apparatus and its control method for measuring blood flow information - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an apparatus and its control method for measuring blood flow information, these apparatus and its control method easily determining whether any information of blood flow may have been produced by altering the information of power of locomotion. <P>SOLUTION: If any information of the power of locomotion is inputted (Step S1), it is compared with the predetermined reference information of the power of locomotion (i.e., the previously inputted such information) is calculated (Step S2), and the storage interval TS of blood flow information is set up according to the amendment of the power of locomotion information (Steps S3 to S5). When the measurement of blood flow started, the blood flow information measured at the same interval with the set storage interval TS is stored one after another in a memory part. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a blood flow information measuring apparatus that measures blood flow information and inputs athletic ability information of a measurement subject and a control method thereof.

The conventional pulse measurement device includes an input unit for inputting information (motor ability information) that affects the exercise ability such as the age of the user (measurement target person), and a pulse rate measurement for measuring the pulse rate that appears in the blood flow of the user. And a storage unit for storing the input athletic ability information and pulse rate (for example, see Patent Document 1). In addition, it has been proposed that the pulse information measured by this type of measuring device is taken into a personal computer, the fluctuation history of the pulse rate is displayed on the personal computer, and the health advice message can be displayed ( For example, see Patent Document 2).
JP 2002-143108 A JP 2004-283570 A

  By the way, in the conventional configuration, since information (blood flow information) indicating blood flow such as pulse information is measured and stored in the storage unit regardless of the content of the exercise ability information, even when the exercise ability information is falsified, It is not reflected at all in the blood flow information stored in the storage unit. For this reason, if an attempt is made to determine the health status of a measurement subject based on blood flow information, it is difficult to discriminate from the measurement results of blood flow information, even if the exercise ability information is falsified. There is a risk of overlooking the alteration of athletic ability information. Moreover, when the alteration of the athletic ability information is overlooked, it becomes impossible to accurately determine the health condition of the measurement subject from the blood flow information.

  The present invention has been made in view of the above-described circumstances, and provides a blood flow information measuring device and a control method thereof that can easily determine whether blood flow information may have been altered in athletic ability information. There is.

In order to solve the above-described problems, the present invention provides an input unit that inputs user's exercise ability information, a blood flow information measurement unit that measures user's blood flow information, and a memory that stores exercise ability information and blood flow information. In the blood flow information measuring device comprising a unit, when athletic ability information is input to the input unit, the input athletic ability information is compared with preset reference athletic ability information, and based on the comparison result An athletic ability change amount calculation unit for calculating an athletic ability information change amount, a storage interval setting unit for setting an interval for storing the blood flow information according to the change amount in the athletic ability information, and the blood flow information measurement. A storage control unit that sequentially acquires blood flow information measured at a time interval that matches the set storage interval and stores the blood flow information in the storage unit when the unit starts measuring blood flow information Features.
According to the present invention, the blood flow information storage interval is set according to the amount of change in the athletic ability information, and the blood flow information measured at a time interval that matches the storage interval is stored. From the information measurement interval, it is possible to easily determine whether or not the blood flow information may have altered the motor ability information.

In the above configuration, when athletic ability information is input to the input unit, the athletic ability change amount calculating unit compares the athletic ability information with the previously input athletic ability information, and based on the comparison result. It is preferable to calculate a change amount of the exercise load as the change amount of the athletic ability information. According to this configuration, since the amount of change in exercise load related to the determination of health status is calculated by comparison with the previously input athletic ability information, whether the athletic ability information may have been intentionally altered or not is calculated. It can be easily discriminated.
Further, in the above configuration, the athletic ability change amount calculation unit, when the athletic ability information is input to the input unit, the athletic ability information, and the athletic ability information of the regular user stored in advance in the storage unit, It is preferable to calculate the change amount of the exercise load as the change amount of the athletic ability information based on the comparison result. According to this configuration, since the amount of change in exercise load related to the determination of the health condition is calculated by comparison with the exercise ability information of the regular user, it is easy to determine whether the exercise ability information may have been intentionally altered. Can be determined.

  In the above configuration, the storage interval setting unit determines whether the change to the input athletic ability information is a change to a light load or a change to an overload based on the change amount of the exercise load. When it is not a change to either load or overload, the storage interval is set to the first time, and when changing to a light load condition, the storage interval is set to a second time shorter than the first time. It is preferable to set. In the above configuration, it is preferable that the storage interval setting unit sets the storage interval to a third time longer than the first time when changing to an overload condition.

  In the above configuration, it is preferable that the athletic ability information and the reference athletic ability information include at least one of sex, age, weight, resting pulse rate, and maximum oxygen intake. Moreover, the said structure WHEREIN: It is preferable that the said memory | storage control part matches the said athletic ability information and the said blood flow information, and memorize | stores it in the said memory | storage part. According to this configuration, it is possible to easily grasp the correspondence between athletic ability information and blood flow information. Moreover, the said structure WHEREIN: It is preferable that the blood-flow information memorize | stored in the said memory | storage part contains the date which shows a measurement time. According to this configuration, the measurement interval can be easily specified from the date and time indicating the measurement time point of the blood flow information.

  Moreover, in the said structure, it is preferable to have an output part which outputs the blood flow information memorize | stored in the said memory | storage part to an external device. According to this configuration, it is possible to determine whether or not there is a possibility of alteration of blood flow information by an external device. Moreover, the said structure WHEREIN: It is preferable that the said blood flow information measurement part is a pulse measurement part which measures the said user's pulse rate.

In addition, the present invention provides a blood including an input unit that inputs user's exercise ability information, a blood flow information measurement unit that measures user's blood flow information, and a storage unit that stores exercise ability information and blood flow information. In the control method of the flow information measuring device, when athletic ability information is input to the input unit, the input athletic ability information is compared with preset reference athletic ability information, and an exercise is performed based on the comparison result. An exercise ability information change amount calculating step for calculating a change amount of the ability information, a storage interval setting step for setting a storage interval of the blood flow information according to the change amount of the exercise ability information, and the blood flow information measuring unit The storage control step of sequentially acquiring blood flow information measured at time intervals that coincide with the set storage interval and storing the blood flow information in the storage unit when measurement of blood flow information is started. Characterize
According to the present invention, the blood flow information storage interval is set according to the amount of change in the athletic ability information, and the blood flow information measured at a time interval that matches the storage interval is stored. From the information measurement interval, it is possible to easily determine whether or not the blood flow information may have altered the motor ability information.

  According to the present invention, the storage interval of blood flow information is set according to the change amount of the exercise capacity information, and the blood flow information measured at a time interval that matches the storage interval is stored. It is possible to easily determine whether there is blood flow information that may have been performed.

Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.
FIG. 1 is a diagram illustrating a configuration of a blood flow information management system 100 according to the present embodiment. This blood flow information management system 100 is a system that is used when an insurance contract is made between an insurance company and a policyholder to change the premium depending on the health status (pulse, etc.) of the policyholder. Yes, a pulse measuring device (blood flow information measuring device) 1 that is lent to the policyholder until the cumulative calorie value is reached, and a management computer that manages the measurement results of the pulse measuring device 1 returned from the policyholder (blood Flow information management device) 80.
The management computer 80 is configured to be able to acquire measurement information and exercise ability information in the pulse measurement device 1 via a cradle (dedicated stand) 2 dedicated to the pulse measurement device 1, but is not limited thereto, and is not limited to this. You may comprise so that connection with the pulse measuring device 1 is possible via networks, such as a local area network (LAN) and the internet.

FIG. 2 is a diagram illustrating a usage pattern of the pulse measuring device 1, and FIG. 3 is a front view of the pulse measuring device 1. The pulse measuring device 1 is configured as a wristwatch, and includes a device main body 10, a wristband 11 that extends from the 6 o'clock position and the 12 o'clock position of the device main body 10 and is wound around a user's arm, and the device main body 10. And a blood flow information detection unit 20 connected to the user's finger (detection site) via the cable 12.
As shown in FIG. 3, the apparatus main body 10 includes a display unit (notification unit) 15 for displaying various information, a plurality of operation switches 16A, 16B, 16C, and 16D for a user to perform various instructions, and a charging unit. A terminal 16E and a communication terminal 16F are provided. In the illustrated example, these operation switches 16A to 16D are shown as push-type switches, but may be electrostatic switches or touch switches using membrane electrodes. In FIG. 3, reference numeral 18 denotes a body motion sensor built in the apparatus main body 10, and an acceleration sensor is used as the body motion sensor 18.

  The display area of the display unit 15 is vertically divided into two, with the upper area being a dot matrix display area 15A and the lower area being a segment display area 15B. In the dot matrix display area 15A, the pulsation waveform, the operation mode announcement, etc., and athletic ability information that affects the user's athletic ability when measuring the pulse (in this example, gender, age, height, weight, resting time) Announcements requesting input of pulse rate (HRrest) and maximum oxygen uptake (VO2max) are displayed graphically. In the segment display area 15B, information such as (16:30 in the example shown), pulse rate (86 in the example shown), calories burned, and the above-mentioned exercise ability information are entered. Segments are displayed.

The operation switch 16A is an operator for instructing to start setup and changing the operation mode. The operation switch 16B functions as a count-up key when setting various values such as time and athletic ability information. When it is not set, it is an operator that functions as a switch for lighting up the display unit 15.
The operation switch 16C functions as a countdown key when setting various numerical values, and is an operator that functions as a switch for displaying a measurement result such as a pulse rate on the display unit 15 when the numerical values are not set. 16D is an operator for starting / stopping pulse measurement.
In the above configuration, for example, when setting the time, the user presses the operation switch 16A to set the operation mode to the time setup mode, and then selectively presses the operation switches 16B and 16C to set the time. I do. When inputting the user's athletic ability information, the operation mode is set to the athletic ability information input mode by pressing the operation switch 16A, and then the operating switches 16B and 16C are selectively pressed to obtain athletic ability information. Enter.

  The charging terminal 16E and the communication terminal 16F are terminals that are electrically connected to the cradle 2 when the pulse measuring device 1 is mounted on the cradle 2. When the cradle 2 is mounted, power supplied from an external device such as the management computer 80 is supplied to the charging terminal 16E via the cradle 2, and a rechargeable battery (not shown) in the apparatus body 10 is charged. In addition, a communication line is configured between an external device such as a management computer and the communication terminal 16F via the cradle 2, so that communication between the apparatus main body 10 and the external device is possible.

FIG. 4 is a diagram illustrating a configuration of the blood flow information detection unit 20. The blood flow information detection unit 20 includes an optical sensor unit 21, ground electrodes 22 arranged on both sides of the sensor unit 21, and a sensor wound around the user's finger so as to face the user's finger. The sensor fixing band 23 is wound around the base of the user's finger, and the sensor unit 21 is disposed opposite to the finger between the second joint and the third joint.
The sensor unit 21 includes a circuit board 31 to which the cable 5 is connected, one light emitting element (light emitting means) 32 mounted on the circuit board 31, and one light receiving element (light receiving means) mounted on the circuit board 31. 33 and a transparent cover 34 for covering them. The light emitting element 32 is an LED that irradiates light L1 in a wavelength region (within a range of 300 nm to 700 nm) that is easily absorbed by a living tissue such as blood, and irradiates light L1 toward the blood vessel K of the finger.
As the light receiving element 33, a phototransistor (for example, a phototransistor having a light receiving wavelength region of 700 nm or less) that can receive light in the above wavelength region is applied, and receives the reflected light L2 reflected by the blood vessel K or the like. A light receiving signal having a signal level corresponding to the output is output.

  Here, the reason why the light emitting element 32 is selected not to emit light of less than 300 nm is that most of the light of less than 300 nm is absorbed on the skin surface and does not reach the blood vessel K. The reason why the wavelength region is set to 700 nm or less is to avoid the influence of external light having a wavelength region exceeding 700 nm in the external light. In addition, although this embodiment demonstrates the case where it comprises in the reflection type which light-receives reflected light L2, you may comprise not only this but the transmission type which light-receives the passage light after passing a finger | toe.

  The light reception level of the reflected light L2, that is, the pulse wave is detected using the ground potential as a reference potential. However, in this embodiment, the ground electrode 22 is provided on both sides of the sensor unit 21 and is in close contact with the finger. A biological ground potential can be set at the detection site, and the potential of the ground electrode 22 can be stabilized. The sensor fixing band 23 is formed of a conductive member and is connected to the ground electrode 22. For this reason, the sensor fixing band 23 can also function as a shield member that prevents noise from entering the sensor unit 21.

  As described above, the blood flow information detection unit 20 is attached to the root of the user's finger, but the blood flow information detection unit 20 according to the present embodiment is particularly the base of the user's little finger or ring finger among the fingers. It is attached to. Thereby, the following effects are acquired. That is, as shown in FIGS. 2 and 3, since the cable 12 extends from the upper part of the side edge closest to the ring finger and little finger in the apparatus main body 10, the blood flow information detection unit 20 is placed at the root of the ring finger or little finger. When attached, the length of the cable 12 can be short, and the cable 12 can be prevented from sagging or loosening. Furthermore, when the operation switches 16A to 16D of the apparatus main body 10 are pressed with the finger of the right hand while the pulse measuring device 1 is worn, the finger of the right hand does not cross the cable 12 and the operation switches 16A to 16D are pressed. Since it can be operated, the cable 12 is not accidentally pulled during the operation, and noise is not generated or the cable 12 is not cut.

In daily life, the ring finger and the little finger have fewer opportunities to move the finger than other fingers. Therefore, by attaching the blood flow information detection unit 20 to the ring finger and the little finger, the number of bendings of the cable 12 can be reduced. When the cable 12 is bent many times, it is necessary to design the cable 12 thickly in preparation for damage to the cable 12 due to bending. However, the cable 12 according to the present embodiment has a small number of bends for the above-described reason. 12 can be designed thinly, and storage property and a feeling of wearing can be improved. In addition, it is possible to prevent the cable 12 from being damaged by the operation of the finger performed without the user's awareness, such as the operation of the user unconsciously contacting the tip of the thumb and the middle finger (for example, the operation of generating a finger whistle).
Furthermore, the movement of the finger wearing the blood flow information detection unit 20 causes noise due to body movement. However, since the ring finger or the little finger has less movement of the finger than other fingers, the noise due to body movement. Can be suppressed.

FIG. 5 is a block diagram showing a functional configuration of the pulse measuring device 1. The pulse measurement device 1 is configured in a computer configuration including a CPU, a ROM (storage unit) 51, a RAM 52, and the like in the control unit 50, and the CPU executes a control program stored in the ROM 51, thereby the pulse measurement device. In addition to controlling each part 1, a blood flow information calculation unit for calculating a pulse rate and a body motion pitch by calculation processing, a storage control unit for storing the measured pulse rate and the like in the ROM 51, and a storage interval TS described in detail later It functions as a storage interval setting unit to be set and an athletic ability change amount calculating unit for calculating the amount of change in athletic ability information.
In the present embodiment, the case where the control unit 50 functions as a blood flow information calculation unit, a storage control unit, a storage interval setting unit, and an athletic ability change amount calculation unit by software processing will be described. Any or all of these may be configured by hardware circuits or software circuits.
The ROM 51 is a rewritable memory such as an EEPROM, for example, and stores various data such as a control program executed by the CPU, pulse rate data related to the detected pulse rate, and user exercise capacity information. The RAM 52 is used as a work area for the CPU, and temporarily stores calculation results and various data by the CPU.

The clock circuit 53 includes an oscillation circuit 54 that outputs a clock signal having a predetermined frequency (for example, 32.768 kHz), and a frequency dividing circuit that divides the clock signal from the oscillation circuit 54 and outputs a 1 Hz clock signal to the control unit 50. The control unit 50 includes a timing circuit that performs timing processing based on a 1 Hz clock signal.
The input unit 56 corresponds to the operation switches 16 </ b> A to 16 </ b> D described above, and outputs a signal corresponding to each switch operation of the user to the control unit 50. The display unit 15 displays various information under the control of the control unit 50. The communication unit 57 functions as an output unit that outputs various kinds of information stored in the ROM 51 to the outside by transmitting and receiving data to and from an external device connected via the communication terminal 16F under the control of the control unit 50. To do.

The pulse wave signal amplification circuit 58 amplifies the signal related to the pulse wave detected by the blood flow information detection unit 20 and outputs the amplified signal to the pulse wave waveform shaping circuit 59 and the A / D conversion circuit 60. The pulse wave waveform shaping circuit 59 shapes the pulse wave signal output from the pulse wave signal amplification circuit 58 and outputs it to the control unit 50.
The A / D conversion circuit 60 performs A / D conversion on the pulse wave signal output from the pulse wave signal amplification circuit 58 and the body motion signal output from the body motion signal amplification circuit 61, and outputs the result to the control unit 50. The body motion signal amplification circuit 61 amplifies a signal related to body motion detected by the body motion sensor 18 and outputs the amplified signal to the body motion waveform shaping circuit 62 and the A / D conversion circuit 60. The body movement waveform shaping circuit 62 shapes the body movement signal output from the body movement signal amplification circuit 61 and outputs the shaped body movement signal to the control unit 50. And the control part 50 calculates a pulse rate and a body motion pitch by frequency-analyzing a pulse wave signal and a body motion signal, respectively, calculates calorie consumption from a pulse rate, and displays these on the display part 15 And processing to be stored in the ROM 51.

By the way, in this type of blood flow information management system 100, an insurance company (management computer 80 side) based on the pulse information measured by the pulse measuring device 1 (the history of the pulse rate measured at a predetermined time interval). However, the reliability of pulse information is extremely important for determining the health status of policyholders. However, even if the athletic ability information is input to the pulse measuring device 1, when the user inputs the altered athletic ability information, there is conventionally no criterion for determining whether it is normal or illegal, and the management computer 80 side Management of unauthorized information was difficult.
Here, the policyholders registered as users often have internal diseases (hypercutaneous fat, visceral fat, hyperlipidemia, etc.) mainly due to lack of exercise. Therefore, it is contracted with an insurance company to do moderate exercise, and the insurance premium will be cheaper if the health is good, and conversely the insurance premium will be higher if the health is bad. It has become. Therefore, it is expected that some unscrupulous people will attempt to tamper with data because the psychology of wanting to reduce insurance premiums works and it appears as if they have performed moderate exercise among users.

  Therefore, in the present embodiment, the reference athletic ability information D0 of the regular policyholder is stored in the ROM (storage unit) 51 of the pulse measuring device 1, and the athletic ability information D1 and the reference athletic ability input thereafter are stored. A storage interval change process for comparing information D0, obtaining information obtained by quantifying the amount of change of athletic ability information according to the comparison result, and changing the storage interval TS of pulse information according to the amount of change of the athletic ability information To do. Hereinafter, a specific example of the storage interval changing process will be described.

Here, it is assumed that the reference athletic ability information D0 is athletic ability information (gender, age, height, and weight) of a regular policyholder. In the present embodiment, the reference is based on the previously input athletic ability information. The athletic ability information D0 is used. In addition, instead of using the method previously used for the reference athletic ability information D0, a predetermined time (for example, contract time) of the policyholder (regular user) input when the insurance company lent to the policyholder. May be athletic ability information. In this way, when the insurance company inputs the reference driving ability information, the reference driving ability information can be surely made the information of the authorized user. The reference athletic ability information D0 is preferably set so that the user cannot delete or change it arbitrarily.
Moreover, the user who uses this pulse measuring device 1 needs to input athletic ability information at the time of pulse measurement every time immediately before the start of use of the device 1 or whenever a change occurs in age, height, weight, or the like. Thus, the athletic ability information D1 and the reference athletic ability information D0 of the user at the current time are stored in the ROM 51.

FIG. 6 is a flowchart showing an outline operation of the storage interval changing process. This process is executed every time the athletic ability information D1 is input.
When the athletic ability information D1 is input (step S1), the control unit 50 compares the athletic ability information D1 with the reference athletic ability information D0 to obtain information indicating the amount of change in the athletic ability information. An overload / light load determination process (exercise ability change amount calculation process) for determining whether the exercise load has been changed to a light load or an overload is executed (step S2).
When the exercise load is not changed to either light load or overload, the control unit 50 determines the time interval of pulse information to be stored in the ROM (storage unit) 51 during pulse measurement (hereinafter referred to as “storage interval TS”). Is set to the first time (in this example, “4 seconds”) (step S3). On the other hand, when the control unit 50 is changed to a light load, the control unit 50 sets the second time (in this example, “2 seconds”) shorter than the first time (step S4), and the control unit 50 is changed to an overload. Is set to a third time longer than the first time (in this example, “8 seconds”) (step S5).

FIG. 7 is a flowchart showing a specific example of overload / light load determination processing, and FIG. 8 is a diagram showing overload / light load determination criteria for each item of athletic ability information. Here, the state where the exercise load is light is equivalent to a state where the premium is calculated at a low cost from the viewpoint of the premium, and as shown in FIG. 8, the age is young, the weight is low (not obese), This corresponds to a state where the pulse rate at rest (HRrest) is low, the maximum oxygen uptake (VO2max) is large, and the state where the exercise load is overloaded is the opposite.
For example, when the body weight is set heavy, the calorie consumption increases and reaches the imposed calorie value earlier than the initial setting. For this reason, if the weight is intentionally set heavy, it will be easy to reach the prescribed calorie value. On the other hand, when the weight is set lightly, the calorie consumption decreases, and the imposed calorie value is delayed from the initial setting. For this reason, unless the amount of exercise is increased, the prescribed calorie value is not reached.

More specifically, as shown in FIG. 7, the control unit 50 first determines whether or not there is a gender change from “Women” to “Men” (step S11), and if this gender change is present (step S11). : YES), it is determined that the load is light (step S12).
On the other hand, when there is no gender change (step S11: NO), the control unit 50 determines whether or not there is an age change (step S13), and when there is an age change (step S13: YES), the change ratio is stored in the RAM 52. After saving (step S14), the process proceeds to step S15. If there is no age change, the process proceeds directly to step S15.
For example, when the age in the athletic ability information D1 is 40 years old and the age in the reference athletic ability information D0 is 50 years (when the age becomes younger), the change rate of the age is (50-40) × 100/50 = + 20% is calculated, and this calculated value is stored in the RAM 52.

In subsequent step S15, the control unit 50 determines whether or not there is a change in weight. If there is a change in weight (step S15: YES), the change ratio is stored in the RAM 52 (step S16), and then the process proceeds to step S17. If there is no weight change, the process proceeds directly to step S17.
For example, when the weight in the athletic ability information D1 is 55 kg and the weight in the reference athletic ability information D0 is 50 kg (when the weight increases), the weight change ratio is (50−55) × 100/50 = −10% Is calculated and stored in the RAM 52.
In subsequent step S17, the control unit 50 determines whether or not there is a change in the resting pulse rate (HRrest). If there is a change (step S17: YES), the change rate is stored in the RAM 52 (step S18). The process proceeds to step S19, and if there is no change, the process proceeds directly to step S19.

In step S19, the control unit 50 determines whether or not there is a change in the maximum oxygen intake, and if there is a change (step S19: YES), the change rate is stored in the RAM 52 (step S20), and then in step S21. The process proceeds to the process. If there is no change, the process directly proceeds to the process of step S21.
Thus, when the change ratio is obtained for all of age, weight, resting pulse rate and maximum oxygen intake, the control unit 50 adds the numerical values of these change ratios, and the added value is + 20% or more or It is determined whether it is −20% or less (step S21).
Here, as shown in FIG. 8, the light load / overload judgment based on the change rate of the resting pulse rate is opposite to the change rate judgment of other items. When calculating the value, plus and minus are reversed. Specifically, for example, when the change from the standard exercise ability information D0 to the exercise ability information D1 is age + 20%, body weight -10%, resting pulse rate + 35%, maximum oxygen intake + 70%, these additional values Becomes + 20−10−35 + 70 = + 45%.

When the added value is + 20% or more (step S22: YES), the control unit 50 proceeds to step S12 and determines that the load is light, and when it is −20% or less (step S22: NO), the process proceeds to step S23. Transition and determine overload. If the added value is less than + 20% to more than −20% (step S21: NO), neither the light load nor the overload is detected, so the process is terminated without determining the overload or the light load. To do.
As a result, it is easy to obtain an addition value of values obtained by quantifying the amount of change for all of age, weight, resting pulse rate and maximum oxygen intake, that is, information obtained by quantifying the total amount of change of exercise ability information. It is possible to accurately determine whether the load is changed to overload or overload based on the added value.
In addition, when changing the sex from “Women” to “Men”, it was determined that the load was light quickly. This change was made because the athletic ability information was intentionally falsified in order to calculate the insurance premium cheaply. This is because the processing time required for determination is shortened by omitting calculation of the amount of change of other athletic ability information.

Next, the operation during pulse measurement will be described. FIG. 9 is a flowchart showing the operation in this case. As a premise, it is assumed that athletic ability information is input before the start of pulse measurement, and the storage interval TS has been set.
When the control unit 50 detects that the operation switch 16D is operated by the user and an instruction to start pulse measurement is made (step SA1), the control unit 50 transmits a control signal to the A / D conversion circuit 60, and A / D of the body motion signal Conversion is performed and the converted body motion signal is acquired (step SA2).

The control unit 50 analyzes the body motion signal acquired in step SA2 and determines whether or not the pulse measurement is possible. In other words, if the current body motion level does not exceed this pulse measurable body motion level, the pulse can be measured normally, and if it exceeds this level, the pulse cannot be measured. The body motion level at which the pulse can be measured is set in advance, and it is determined whether or not the current body motion level obtained from the body motion signal exceeds the pulse measurable body motion level (step SA3). ).
When the pulse measurement cannot be performed in the determination at step SA3 (step SA3: NO), the control unit 50 transmits a control signal to the A / D conversion circuit 60 to stop the A / D conversion of the body motion signal and The acquisition of the motion signal is stopped (step SA4), and the process proceeds to step SA12.

On the other hand, if the pulse measurement is possible in the determination in step SA3 (step SA3: YES), the control unit 50 resets the body movement monitoring flag stored in the ROM 51 (step S5). Here, the body motion monitoring flag is a flag for determining whether or not the control unit 50 has detected a body motion level exceeding the pulse measurable body motion level.
While the body motion signal is input, the control unit 50 continuously compares the current body motion level with the pulse measurable body motion level, and the body motion level exceeding the pulse measurable body motion level. When this is detected, this body movement monitoring flag is set.
In step SA5, after resetting the body motion monitoring flag, the control unit 50 transmits a control signal to the A / D conversion circuit 60, performs A / D conversion of the pulse wave signal, and converts the converted pulse wave signal. Obtain (step SA6).
Further, the control unit 50 performs frequency analysis on the acquired pulse wave signal by fast Fourier transform processing, extracts a pulse wave component, and calculates a pulse rate from the pulse wave component (step SA7).

  After calculating the pulse rate in step SA7, the control unit 50 determines whether or not the body motion monitoring flag is set (step SA8). The determination made here is a determination as to whether or not a body motion level exceeding the pulse measurable body motion level has been detected during the processing of step SA6 and step SA7.

When the body motion monitoring flag is set (step SA8: YES), the control unit 50 proceeds to step SA12 without storing the pulse rate in the ROM 51 and displaying the pulse rate on the display unit 15. .
On the other hand, when the body motion monitoring flag is not set (step SA8: NO), the control unit 50 graphically displays the pulse wave waveform in the dot matrix display area 15A of the display unit 15 based on the pulse rate calculated in step SA7. In addition to the display, the pulse rate is displayed as a segment in the segment display area 15B (step SA9).
Further, based on the time information, the control unit 50 determines whether the pulse rate calculated in step SA7 is the pulse rate at the measurement point when the preset storage interval TS has elapsed from the pulse point measurement time stored in the previous ROM 51. If it is a pulse rate at the time when the storage interval TS has elapsed, the pulse rate is stored in the ROM 51 together with the date and time (year, month, hour, minute, second) (step SA11), The process proceeds to step SA12. On the other hand, if the pulse rate is before the storage interval TS has elapsed, the control unit 50 proceeds to Step SA12 without storing the pulse rate in the ROM 51.

Next, the control unit 50 transmits a control signal to the A / D conversion circuit 60, stops A / D conversion of the pulse wave signal, stops acquisition of the pulse wave signal (step SA12), and proceeds to step SA13. Transition. Subsequently, the control unit 50 determines whether or not the operation switch 16D has been operated by the user and a pulse measurement stop instruction has been issued (step SA13). When there is a pulse measurement stop instruction (step SA13: YES), the control unit 50 ends the pulse measurement. When the pulse measurement stop instruction has not been issued (step SA13: NO), the control unit 50 proceeds to step SA2 and measures the pulse again. In this way, pulse measurement is repeatedly performed.
As a result, the pulse rate measured at the preset storage interval TS is stored in the ROM 51. In this case, in this embodiment, the storage capacity of the pulse rate per pulse measurement is determined to be a fixed capacity, and the pulse measurement is automatically terminated when the number of stored pulse rates reaches a predetermined number. To do. Also, the pulse rate stored at the time of one pulse measurement is associated with the exercise ability information input immediately before and stored in the ROM 51, and the exercise ability information at the time of pulse measurement can be easily specified later. Yes.

As described above, when measuring the pulse rate, the control unit 50 displays not only the current pulse rate but also the current pulse rate change state, so that the user can easily display an appropriate exercise state. An exercise with an appropriate momentum can be performed in a maintained state.
In this case, when a body motion level that is equal to or higher than the pulse measurable body motion level is detected, the pulse measurement is regarded as impossible, and the pulse rate is stored in the ROM 51 and the pulse rate is displayed on the display unit 15. Absent. For this reason, only a highly reliable pulse rate record can be stored in the ROM 51, and only a highly accurate pulse rate is displayed on the display unit 15, so that the user can display during daily life or during exercise. The correct pulse rate can be referred to by referring to the part 15.

In this configuration, since the pulse rate measured at the storage interval TS set according to the amount of change in athletic ability information is stored in the ROM 51, the change in athletic ability information is changed to either overload or light load. Otherwise, as shown in FIG. 10 (A), the pulse rate is stored at the measurement interval of “save interval TS = 4 seconds”, and in the case of a change to a light load, FIG. 10 (B). As shown in FIG. 10, the pulse rate is stored at the measurement interval of “storage interval TS = 2 seconds”, and when it is a change to overload, as shown in FIG. The pulse rate is stored at a measurement interval of “8 seconds”.
Therefore, when the number of times of memory per pulse measurement is determined (14 in the example shown in FIG. 10), the pulse rate at the time of light load is stored at the shortest storage interval TS. Information on pulse fluctuation during the rising period) is stored. Further, since the pulse rate at the time of overload is stored at the longest storage interval TS, information on pulse fluctuation over a long period is stored although the measurement interval (= storage interval TS) is rough.
However, when there is neither light load nor overload, the storage interval TS that is the most balanced for both the measurement interval and the measurement time is set, and in such a case, the rise fluctuation and long-term fluctuation of the pulse are observed. An appropriate measurement interval and number of pulse rates are stored in the ROM 51.

  Next, the management computer 80 will be described. FIG. 11 is a block diagram showing an example of the configuration of the management computer 80. The management computer 80 includes a control unit 81 having a CPU for controlling the entire computer 80, a ROM 82 for storing various data including a control program in advance, a RAM 83 for temporarily storing various data, and a pulse measuring device. Interface unit 84 for communication connection, storage device 85 as a storage unit in which a database (DB) of pulse information and athletic ability information is constructed, and input for an insurance company administrator to input various information A unit 86, an output unit 87 for outputting various types of information by means such as printing, and a display unit (notification unit) 88 for displaying various types of information.

  In the present embodiment, the control unit 81 functions as a management unit that accumulates and manages the policyholder's pulse information and athletic ability information acquired from the pulse measurement device 1 in the storage device 85, and displays each information according to the operation of the administrator. By doing so, it can be used for grasping the health information of the policyholder, and falsification for notifying the administrator whether or not the pulse information acquired from the pulse measuring device 1 may have altered the athletic ability information. Functions as a notification unit.

Specifically, the control unit 81 changes the pulse information and the athletic ability information to overload when the athletic ability information is changed to a light load based on the measurement interval of the pulse information as the first falsification notification process. In this case, the pulse information is extracted, and a process for notifying the display unit 88 of the information as information that is likely to have been falsified intentionally is performed.
Further, as the second alteration notification process, the control unit 81 extracts pulse information when the athletic ability information is changed to a light load, and as shown in FIG. The time TT is calculated, and if the rise time TT is shorter than the preset allowable time TX, it is determined that the possibility of falsification is higher, and a process of notifying this by the display unit 88 is performed.
In other words, it is considered that the shorter the rise time TT, the higher the athletic ability, and the person who uses this type of insurance service is rather not so high in the athletic ability. Therefore, by setting a value that can be determined that the athletic ability has increased as the permissible time TX, if the rise time TT is shorter than the permissible time TX, it can be expected that a person different from the policyholder has measured the pulse. The possibility of tampering can be notified. In this case, since the measurement interval (storage interval TS) is set to be short for pulse information whose exercise ability information has been changed to a light load, the rise time TT can be detected with high accuracy.

  Further, the control unit 81 extracts pulse information when the athletic ability information is changed to overload as the third tampering notification process, and displays the pulse fluctuation waveform as the display unit 88 as shown in FIG. To display. In this case, the pulse information whose athletic ability information is changed to overload has a long measurement interval (storage interval TS), and is suitable for viewing long-term pulse fluctuations. Therefore, the administrator can see the endurance from the long-term pulse fluctuation by looking at the pulse fluctuation waveform, and this endurance can be used to determine whether a person different from the policyholder has measured the pulse. be able to.

  In this way, the management computer 80 extracts pulse information that may have altered the athletic ability information according to the operation of the administrator who operates the computer 80, and is changed to a light load in order to reduce the insurance premium. The blacklist is processed for the black list. By this blacklisting, those who have been changed to light loads are listed as unscrupulous persons, and the manager urges advisory advice based on such lists. If there is no improvement even after the advisory is advised, countermeasures such as insured or canceled will be taken.

In this case, as shown in FIG. 13, measurement data (pulse information, exercise ability information, etc.) in the pulse measuring device 1 may be uploaded to the management computer 80 on the network via the personal computer 90. As described above, if the measurement data in the pulse measuring device 1 is sent to the management computer 80 via the network, it is possible to take a quick countermeasure against a person who may be fraudulent or an unscrupulous person.
As a result, the management computer 80 can manage the contractors collectively, which can be used for grasping the health information of each contractor and calculating the insurance premium, and also enables the monitoring of the recurrence of fraud in the same person.

As described above, according to the pulse measurement device 1 of the present embodiment, the pulse rate storage interval TS is set according to the amount of change in the athletic ability information, and measured at a time interval that matches the storage interval TS. Since the pulse rate is acquired and stored sequentially, it is easy to identify whether or not the pulse information is highly likely to be altered from the athletic ability information from the stored pulse rate measurement interval (= storage interval TS) can do.
Moreover, in the present embodiment, as the amount of change in athletic ability information, it is determined whether the amount of change in exercise load, specifically, whether it is a change to overload or a change to light load. It is possible to easily specify the case of a change to a light load where the insurance premium is calculated cheaply. In the case of changing to a light load, since the stored pulse rate measurement interval (= save interval TS) is set to a short time, the rising waveform of the pulsation can be stored with high accuracy. From (rise time TT), it is possible to accurately determine whether a person with high exercise ability has measured a pulse.

In addition, since the storage interval TS is short in the case of a light load, the measurement time required for one pulse measurement is shortened, and the number of storages per unit time is increased, so that the power consumption is increased. For this reason, when it is recognized that the light load is an unscrupulous person, it is possible to impose a penalty that the measurement time is shortened, in other words, the specified time cannot be measured. How much the measurement time is shortened can be easily adjusted by adjusting the storage interval TS.
In the case of an overload, since the storage interval TS is long, the measurement time required for one pulse measurement can be lengthened, and the number of storage times per unit time is reduced, so that power consumption is reduced. In the case of this overload, it may be possible that the athletic ability information has been changed due to a user's operation mistake or the like, so it is possible to lengthen the measurement time and reduce the penalty.

  In addition, this invention is not limited to the above-mentioned embodiment, The deformation | transformation in the range which can achieve the objective of this invention, improvement, etc. are included in this invention. For example, in the above-described embodiment, the case where gender, age, height, weight, resting pulse rate (HRrest) and maximum oxygen intake (VO2max) are input as the user's athletic ability information has been described. You may include your name. In this case, the control unit 50 may calculate the amount of change of the athletic ability information by comparing the athletic ability information that affects the athletic load among these athletic ability information. As for the pulse rate at rest, the pulse rate at rest measured by the pulse measuring device 1 may be used instead of the method input by the user.

In the above-described embodiment, the case where the storage interval TS is changed in both the case of changing to overload and the case of changing to a light load has been described. The storage interval TS may be changed only in the case of a change to a light load that is cheaply calculated. In the above-described embodiment, the case where the pulse information recording destination is the ROM 51 in the pulse measuring device 1 has been described. However, the present invention is not limited to this, and an arbitrary storage device such as a recording medium or a hard disk device may be used.
Furthermore, in the above-described embodiment, a case has been described in which a control program for executing the above processing is stored in the pulse measuring device 1 in advance. It may be stored in a computer-readable recording medium such as a recording medium or a semiconductor recording medium, and the computer may read the control program from the recording medium and execute it. The control program may be downloaded from a distribution server on the communication network.
Moreover, although the above-mentioned embodiment demonstrated the case where this invention was applied to the pulse measuring device 1, it is not restricted to this, The blood-flow information measuring device which measures and memorize | stores blood flow information other than pulses, such as blood pressure, is stored. You may apply. Further, the blood flow information measuring unit that measures this type of blood flow information is not limited to the optical type as described above, and may be a piezoelectric sensor type or the like.

It is a figure which shows the structure of the blood-flow information management system which concerns on this embodiment. It is a figure which shows the usage pattern of a pulse measuring device. It is a front view of a pulse measuring device. It is a figure which shows the structure of the blood-flow information detection part of a pulse measuring device. It is a block diagram which shows the function structure of a pulse measuring device. It is a flowchart which shows the outline | summary operation | movement of a storage space | interval change process. It is a flowchart which shows the specific example of an overload / light load determination process. It is a figure which shows the criteria of determination of the overload and light load for every item of athletic ability information. It is a flowchart which shows the operation | movement at the time of a pulse measurement. (A) shows the storage state of the pulse rate in the case of “storage interval TS = 4 seconds”, (B) shows the storage state of the pulse rate in the case of “storage interval TS = 2 seconds”, (C) It is a figure which shows the memory | storage state of the pulse rate in the case of "the preservation | save interval TS = 8 second." It is a block diagram which shows an example of a structure of a management computer. (A) is a figure used for description of the second tampering notification process, and (B) is a diagram used for description of the third tampering notification process. It is a figure which shows the structural example which uploads the measurement data in a pulse measuring device to a management computer.

Explanation of symbols

  DESCRIPTION OF SYMBOLS 80 ... Management computer (blood flow information management apparatus), 100 ... Blood flow information management system, 1 ... Pulse measurement apparatus (blood flow information measurement apparatus), 2 ... Cradle (dedicated stand), 10 ... Apparatus body, 11 ... Wristband 15 ... display unit (notification unit), 18 ... body motion sensor, 20 ... blood flow information detection unit, 50 ... control unit (storage control unit, storage interval setting unit, exercise capacity change amount calculation unit), 51 ... ROM ( Storage unit) 56 ... Input unit 57 ... Communication unit (output unit) 81 ... Control unit (management unit) 82 ... ROM 86 ... Input unit 87 ... Output unit 88 ... Display unit (notification unit) TS: Save interval.

Claims (11)

In a blood flow information measuring apparatus comprising: an input unit that inputs user exercise ability information; a blood flow information measurement unit that measures blood flow information of the user; and a storage unit that stores exercise ability information and blood flow information.
When athletic ability information is input to the input unit, the input athletic ability information is compared with preset reference athletic ability information, and the amount of change in athletic ability information is calculated based on the comparison result Ability change amount calculation unit,
A storage interval setting unit that sets a storage interval of the blood flow information according to the amount of change in the athletic ability information,
When the blood flow information measurement unit starts measuring blood flow information, a storage control unit that sequentially acquires blood flow information measured at a time interval that matches the set storage interval and stores the blood flow information in the storage unit A blood flow information measuring device comprising: In the blood flow information measuring device according to claim 1,
When athletic ability information is input to the input unit, the athletic ability change amount calculating unit compares the athletic ability information with the previously input athletic ability information, and based on the comparison result, the athletic ability information A blood flow information measuring device characterized by calculating a change amount of exercise load as a change amount. In the blood flow information measuring device according to claim 1,
When athletic ability information is input to the input unit, the athletic ability change amount calculating unit compares the athletic ability information with athletic ability information of a regular user stored in advance in the storage unit, A blood flow information measuring device, wherein a change amount of exercise load is calculated as a change amount of the athletic ability information based on a result. In the blood flow information measuring device according to claim 2,
The storage interval setting unit determines whether the change to the input athletic ability information is a change to a light load or a change to an overload based on the change amount of the exercise load. If the change is not any of the above, the storage interval is set to a first time, and in the case of a change to a light load condition, the storage interval is set to a second time shorter than the first time. A blood flow information measuring device characterized. In the blood flow information measuring device according to claim 4,
In the case of a change to an overload condition, the storage interval setting unit sets the storage interval to a third time longer than the first time. In the blood flow information measurement device according to any one of claims 1 to 5,
The blood flow information measuring apparatus, wherein the athletic ability information and the reference athletic ability information include at least one of sex, age, weight, resting pulse rate, and maximum oxygen intake. In the blood flow information measuring device according to any one of claims 1 to 6,
The memory control unit stores the athletic ability information and the blood flow information in the storage unit in association with each other. In the blood flow information measurement device according to any one of claims 1 to 7,
The blood flow information stored in the storage unit includes a date and time indicating a measurement time point. In the blood flow information measurement device according to any one of claims 1 to 8,
A blood flow information measuring apparatus comprising an output unit that outputs blood flow information stored in the storage unit to an external device. In the blood flow information measuring device according to any one of claims 1 to 9,
The blood flow information measuring unit is a pulse measuring unit that measures the pulse rate of the user. Control of a blood flow information measuring device comprising: an input unit that inputs user exercise ability information; a blood flow information measurement unit that measures blood flow information of the user; and a storage unit that stores exercise ability information and blood flow information In the method
When athletic ability information is input to the input unit, the input athletic ability information is compared with preset reference athletic ability information, and the amount of change in athletic ability information is calculated based on the comparison result Ability change amount calculation step;
A storage interval setting step for setting a storage interval for the blood flow information according to the amount of change in the athletic ability information,
When the blood flow information measurement unit starts measuring blood flow information, a storage control step of sequentially acquiring blood flow information measured at a time interval that matches the set storage interval and storing the blood flow information in the storage unit And a control method for a blood flow information measuring device.

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