JP4396290B2 - Biological information measuring device - Google Patents

Description

  The present invention relates to a biological information measuring apparatus that calculates information related to a living body based on body impedance.

  Conventionally, in this type of biological information measuring device, the cable connecting the gripping part and the human body placing part cannot be removed, and the gripping part is generally housed in the human body placing part ( For example, see Patent Document 1). FIG. 8 shows an example of a conventional biological information measuring device. As shown in FIG. 8, the foot electrode 1 (1a to 1d), the human body placing part 2, the hand electrode 3 (3a, 3b), the grip part 4, the key part (input means) 5, the liquid crystal display part (notification) Means) 6 and cable 7.

If the person to be measured inputs information on the person to be measured such as height, weight, and gender with the key unit 5, the person to be measured grasps the grip part 4, takes the posture determined on the foot electrode 1, and holds the grip. The electrodes 3a and 3b and the electrodes 1a to 1d provided on the part 4 and the foot electrode 1 measure the impedance between the limbs by contacting the palm and the sole of the foot, and the impedance and the input subject information It has become possible to obtain information on a living body by calculation based on the above.
Japanese Patent Laid-Open No. 7-59744

  However, in the conventional configuration, when measuring for the first time, the person to be measured is input and stored using the key unit (input means), and after that, it is necessary to call the person to be measured every time when measuring. At that time, there was a problem that the key had to be pressed a plurality of times.

In order to solve the above-described conventional problems, the present invention makes it possible to attach and detach a cable connecting the gripping part and the human body placing part, and the human body placing part has a plurality of connector insertion ports for connecting connectors provided on the cable. The configuration is such that the person to be measured can be determined by the installed and connected positions.

  According to the present invention, it is not necessary to call the person-to-be-measured information by pressing the key a plurality of times before the measurement, and the biological information can be measured simply by connecting to the same connector insertion port every time, so that the usability can be improved.

The first invention includes a foot electrode that comes into contact with the subject's foot, a human body placement portion that includes the foot electrode and is placed on the subject during measurement, and a hand electrode that comes into contact with the hand of the subject. A gripping part that is equipped with a hand electrode and gripped by the hand during measurement, an impedance measuring means for measuring the impedance between the foot electrode and the hand electrode, and a measurement that represents the physical characteristics of the subject Input means for inputting person information, calculation means for calculating information on the living body of the measurement subject from the impedance between the foot electrode and the hand electrode and the measurement subject information, and notification for displaying the calculation result by the calculation means Detachable for electrically connecting the gripping part and the human body placing part, having a means and a storage means provided in the human body placing part and storing at least the measured person information inputted by the input means connected by a cable, set the cable on the human body mounting portion A plurality of connector insertion ports for connecting the connector to be connected are installed, and the person to be measured is identified by associating the connector insertion port to which the connector is connected with the previously-measured person information in the storage means This is a biological information measuring device configured as described above.

Thereby, it is not necessary to call the person-to-be-measured information by pressing the key a plurality of times before the measurement, and the biological information can be measured simply by connecting to the connector insertion port dedicated to the person, so that the usability can be improved.

The second invention, memorize means is a biological information measurement device capable of storing data of the calculation result or the like measured in the subject information and the past.

  This makes it possible to know the change in the biological information of the measurement subject over time, the width of the fluctuation, and the like, which can be useful for the physical condition management of the user.

  The third invention is a biological information measuring device in which accumulated data such as calculation results measured in the past can be called by inserting a connector.

  As a result, the data accumulated in the past can be confirmed without performing complicated operations, and the usability can be improved.

  A fourth invention is a biological information measuring device having an interface capable of exchanging data with a computer or the like.

  As a result, the measurement subject's information stored in the biological information measurement device can be taken into a computer or the like, so that the change in the measurement subject's biological information over time or the width of fluctuation can be understood more easily. Therefore, the user can perform physical condition management more efficiently.

  A fifth aspect of the present invention is a biological information measuring device including a hand operation unit that is configured integrally with an input unit, a notification unit, and a gripping unit.

  As a result, it is possible to input personal data such as height, gender, and weight necessary for calculating biological information and to operate the device with easy-to-see hand, and at the same time, the notification means for displaying the measurement result is integrated, so it is easy to see Since it can be confirmed without bending the waist at hand, the physical burden on the user can be reduced.

  According to a sixth aspect of the present invention, the human body placement unit includes weight measurement means on the human body placement unit, and calculates the information about the living body of the measurement subject using the result of the weight measurement means as part of the measurement subject information. This is a biological information measuring device.

  Thereby, it is not necessary to input weight data, which is one of the parameters necessary for calculating the body fat percentage represented by biological information, and the operation can be reduced. In addition, since the weight of the human body generally changes by 1 kg or more due to actions such as eating, exercising, and defecation even in one day, it is necessary to manage the body fat percentage that is representative biological information. Since the body weight measurement is an indispensable factor for the body fat percentage measurement, the body fat percentage can be accurately calculated by measuring the body weight through a series of body fat percentage measurement operations.

  A seventh invention is a biological information measuring device in which a cable is formed in a spiral shape and is a curled cord having flexibility in expansion and contraction.

  Thus, while keeping the distance between the hand operating part and the human body placing part at the time of measurement in the extended state, the entire length can be shortened and easily stored in the contracted state when curled. Also, during measurement, the curl cord is always stretched between the human body placement part and the hand control part, so that it does not hang down. There is no possibility that the weight of the operation unit will change, and even when the human body weight is calculated by subtracting the weight of the hand operation unit, the influence of the weight change in the state of the cable can be ignored.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings.

  In this embodiment, for the sake of concrete explanation, the biological information is described as the body fat percentage, but is calculated from the biological impedance and the measured person information representing the physical characteristics of the measured person. Any device capable of measuring and calculating biological information, for example, a bone density measuring device or a muscle fatigue level, does not depart from the gist of the present invention. Further, the present invention is not limited by the present embodiment.

(Embodiment 1)
1 is an external view of a biological information measuring apparatus according to Embodiment 1 of the present invention, FIG. 2 is a block diagram thereof, and FIG. 3 is an explanatory diagram at the time of measurement. In the biological information measuring apparatus of the present embodiment, the human body placing part 2 is used as the outer shell of the apparatus main body, and the foot electrodes 1a, 1b, 1c and 1d are attached thereto. In the present embodiment, 1a and 1b are electrically short-circuited and are one end of a pair of constant current power supply units 10a, and 1c and 1d are electrically short-circuited and a human body composed of a pair. One end of the electrode of the resistance potential detection unit 10b, and the constant current power source unit 10a and the human body resistance potential detection unit 10b described above constitute the impedance measurement means 10. The human body placing unit 2 is provided with a key group 5 as input means for inputting measurement subject information and a liquid crystal display 6 as notification means.

The human body placing part 2 and the grip part 4 are connected by a cable 7, and the grip part is detachable by a connector 8 and a connector insertion port 9. Any connector 8 can be connected to the connector insertion port 9 provided in the human body placing portion 2. However, in FIG. 1 of the present embodiment, the connector 8 is provided at both ends of the cable, but the gripping portion 4 side may be a fixed connection and the connection side with the human body placement portion 2 may be a connector type. Further, the position and number of connectors such as the connector between the gripping part 4 and the cable 7, the connector between the cable 7 and the human body placing part 2, or the connector at the middle part of the cable 7, and the position of the connector insertion port 9 The number is not limited in the present invention.

Here, the hand electrodes 3a and 3b are wound around and fixed to the grip portion 4 with a conductive metal material. 3a is the other end of the electrode of the constant current power supply unit 10a configured as a pair, and 3b is the other end of the electrode of the human body resistance potential detection unit 10b configured as a pair. As shown in FIG. 3, the person to be measured 11 grips the grip portion 4 and gets on the human body placing portion 2 with bare feet. At this time, the hand electrodes 3a and 3b are in contact with the palm of the person to be measured 11, and the foot electrodes 1a, 1b, 1c and 1d are in contact with the sole of the person to be measured 11.

As shown in FIG. 2, the foot electrodes 1 a, 1 b, 1 c, 1 d and the hand electrodes 3 a, 3 b are connected to the impedance measuring means 10 . The impedance measuring means 10 uses a four-terminal method to pass a constant current between the short-circuited foot electrodes 1a and 1b and the hand electrode 3a by the constant current power supply unit 10a, and the other electrode of the foot electrode 1 and the hand electrode 3 The impedance is measured by measuring the voltage between the other electrodes by the human body resistance potential detector 10b. In this embodiment, a weak current that is not felt by a human body of 50 kHz and 500 μA is used. The measured impedance is input to the microcomputer 12 as calculation means. The key group 5 and the liquid crystal display 6 described above are connected to the microcomputer 12.

The foot electrodes 1a, 1b, 1c, and 1d in the embodiment have been described as being short-circuited. However, only 1a and 1c are configured without 1b and 1d, or 1a and 1c are not provided, and only 1b and 1d are configured. However, it is possible to measure the impedance between the hand and foot, and does not depart from the scope of the present invention. In addition, the electrodes of the constant current power supply unit 10a in the impedance measuring means 10 are 1a, 1b and 3a, and the electrodes of the human body resistance potential detection unit 10b are 1c, 1d and 3b, but the electrodes of the constant current power supply unit 10a are 1c. It is possible to measure the impedance between the hand and the foot even if the electrodes 1a and 1b and 3a are 1a and 1b, and the electrodes of the human body resistance potential detection unit 10b are 1a and 1b, and do not depart from the scope of the present invention (the description will be simplified hereinafter) Therefore, the foot electrodes 1a, 1b, 1c, and 1d are collectively referred to as the foot electrode 1, and the hand electrodes 3a and 3b are collectively referred to as the hand electrode 3).

  Next, the operation and action will be described. Prior to measurement, the person to be measured 11 operates the key group 5 and inputs height, weight, and sex as information on the person to be measured. Since the key group 5 is connected to the microcomputer 12, it is stored in advance in the storage means 13 provided in the microcomputer 12.

  Next, the person to be measured 11 is connected to one of the plurality of connector insertion ports 9 provided in the human body placing unit 2. In this case, the storage means 13 associates the person-to-be-measured information inputted in advance with the connected connector insertion port 9. Thereby, when the same person 11 to be measured next time measures biometric information, when connected to the connector insertion port 9 used last time, the person 11 to be measured is determined from the position and stored in the storage means 13. Since the person-to-be-measured information is automatically called, the person-to-be-measured 11 can easily measure the biological information without operating the key group 5.

  Here, it is assumed that the operation does not change even when the operation of inputting the measurement subject information and the operation of connecting to the connector insertion port 9 are reversed. That is, even if the person to be measured 11 inputs the person-to-be-measured information after the connection to the connector insertion port 9, the storage unit 13 associates the connector insertion port 9 connected to the person-to-be-measured information. In the next measurement, the person to be measured is determined at the time of connection.

Next, the person under measurement 11 grips the grip portion 4 and gets on the human body placement portion 2. At this time, the hand electrode 3 is in contact with the palm of the person to be measured 11, and the foot electrode 1 is in contact with the sole of the person to be measured 11. The hand electrode 3 and the foot electrode 1 are connected to the impedance measuring means 10 and measure the impedance between the limbs of the person to be measured 11 . When the impedance from the impedance measuring means 10 is input to the microcomputer 12, the microcomputer 12 calculates the body fat percentage from the impedance and the measured person information by a program and outputs the result to the liquid crystal display 6. Various formulas for obtaining the body fat percentage are known, but in this embodiment, Brozec's formula obtained from the body density (reports of Brozec et al., Reports J. Brozec, F. Grande, JT Anderson and “AnNY Acad.sci 110 (1963) 113-40). This formula is for example for males: body density = 1.1544-0.0841 × weight × impedance / height squared body fat. Rate (%) = (4.95 / body density−4.5) × 100
It is requested from. Note that this equation is an equation for men, but it can also be applied to women by changing the coefficient of each part, so the equations are switched based on the gender included in the measured person information. In addition, many other formulas for calculating the body fat percentage have been reported, but any formula can be used as long as the formula is used for obtaining the body fat percentage from the impedance. Not what you want.

  In this embodiment, the body fat percentage obtained from the impedance is displayed as it is, but the body fat weight, the slow fat weight, the slow fat percentage, etc. obtained from the body fat percentage may be displayed. . Further, the key group 5 based on the combination of the up / down switch and the input switch is used as the input means. However, if the target person information can be inputted, for example, an input means using 10 keys, a rotary encoder, or the like is used. Even a rotary input means or the like that does not depart from the scope of the present invention.

  In addition, although a liquid crystal display is used as the notification means, other notification means, for example, a device using a light emitting diode, or a notification by voice is included in the scope. Moreover, the frequency and the magnitude of the current can be arbitrarily changed as long as the constant current is in a range that is not felt by the human body. Further, in this embodiment, the impedance is measured between the right hand and both feet, but if the impedance between the limbs can be measured, the left hand and both feet, the right hand and the right foot, the right hand and the left foot, the left hand and the right foot, and the left hand and the left foot. In the meantime, the combination is free. Also, the gripping part is a cylindrical one that can be used with one hand, but there is no limitation on the shape, and the shape is arbitrary as long as it is easy to grip and the hand part electrode can reliably contact the hand .

  According to the above configuration, it is not necessary to call the person-to-be-measured information by pressing a key a plurality of times before measurement, and biometric information can be measured simply by connecting to the same connector insertion port every time, so that the usability can be improved.

(Embodiment 2)
FIG. 4 is a block diagram of the biological information measuring apparatus according to Embodiment 2 of the present invention. An interface is provided so that the biological information of the person to be measured 11 stored in the storage means 13 can be exchanged with the computer 14 or the like. For example, the biometric information of the measurement subject accumulated in the past is transferred to a computer as numerical data and graphed using spreadsheet software, so that changes in the biometric information over time can be confirmed more easily. Can help you effectively manage your health.

  Here, the interface is not limited in the present invention as long as it can move data, such as a memory card or wireless communication that can be used as a storage means, as well as the type and shape of the connector.

(Embodiment 3)
FIG. 5 is an external view of the hand operating unit 15 of the biological information measuring apparatus according to Embodiment 3 of the present invention. The difference from the other embodiments is that a liquid crystal display 6 as a notification means, a key group 5 as an input means, and a grip portion 4 are integrally provided to constitute a hand operation portion 15 . This is because the hand operating unit 15 in which the liquid crystal display 6 and the key group 5 as the input means are integrated with the gripping unit 4 in the present invention is connected to the human body placing unit 2 with the cable 7, and the usability is further improved. It is a thing. Input and reading of measurement results can be performed at a position close to the line of sight of the person being measured, so that measurement results can be read accurately and accurate measurements can be made while simultaneously bending the body. Even those who have difficulty can use it without difficulty.

  In the hand operation unit 15 in the present embodiment, the key group 5 serving as input means is provided below the liquid crystal display 6 serving as notification means. Etc., the shape of the hand control part, etc. are not limited.

(Embodiment 4)
FIG. 6 is a block diagram of a biological information measuring apparatus according to Embodiment 4 of the present invention. The difference from the first embodiment is that weight measuring means 16 for detecting a load on the human body placing unit 2 is provided. The weight measuring means 16 is connected to the microcomputer 12 which is a calculation means. The microcomputer 12 uses the load on the human body placement unit 2 obtained by the weight measuring means 16 as the body weight data of the measured person as a parameter when calculating the body fat percentage. Since the specific method for calculating body fat percentage is the same as that in the first embodiment, a description thereof will be omitted.

  As a result, it is not necessary to input weight data, which is one of the parameters necessary for calculating the body fat percentage, and the operation can be reduced. In addition, since the weight of a human body is generally changed by 1 kg or more due to actions such as eating, exercising, and defecation even within a day, measurement of body weight is important for managing body fat percentage. Since it is an indispensable factor for the fat percentage measurement, the body fat percentage can always be accurately calculated by measuring the body weight through a series of body fat percentage measurement operations.

(Embodiment 5)
FIG. 7 is an explanatory diagram when using the biological information measuring device according to the fifth embodiment of the present invention. However, the figure is shown in a simplified manner. The difference from the other embodiments is that the cable 7 that electrically connects the hand operating unit 15 and the human body placing unit 2 is formed in a spiral shape to form a curled cord having flexibility in expansion and contraction. . In this way, while keeping the distance between the hand operating unit 15 and the human body placing unit 2 at the time of measurement in the extended state, the entire length can be shortened and easily stored in the contracted state when curled. is there.

  In addition, the curl cord 17 is always stretched between the human body placing unit 2 and the hand operating unit 15 at the time of measurement, and does not hang down. There is no fear that the weight of the hand operating part 15 including the curl cord 17 weight changes, and even when the human body weight is calculated by subtracting the weight of the hand operating part 15, the influence of the weight change in the state of the curl cord 17 should be ignored. Can do.

As described above, the biological information measuring apparatus according to the present invention can be used while a plurality of persons to be measured is self-managing personal information, and therefore, a single device is often used by a plurality of users. In addition, the present invention can also be applied to a device that needs to be set according to the user and needs to store personal data of the user, for example, a device related to physical strength measurement.

1 is an external view of a biological information measuring device according to Embodiment 1 of the present invention. 1 is a block diagram of a biological information measuring device according to Embodiment 1 of the present invention. Explanatory drawing at the time of measurement in Embodiment 1 of the present invention Block diagram in Embodiment 2 of the present invention External view of the hand operation part of the biological information measuring device in Embodiment 3 of this invention Block diagram of biological information measuring apparatus according to Embodiment 4 of the present invention Explanatory drawing at the time of use of biological information measuring device in Embodiment 5 of the present invention External view of conventional biological information measuring device

DESCRIPTION OF SYMBOLS 1 Foot electrode 2 Human body mounting part 3 Hand electrode 4 Gripping part 5 Key group (input means)
6 liquid crystal display (notification means)
7 Cable 8 Connector 9 Connector insertion port 10 Impedance measuring means 10a Constant current power supply part 10b Human body resistance potential detecting part 11 Measured person 12 Microcomputer (calculating means)
13 Storage Unit 14 Computer 15 Hand Control Unit 16 Weight Measurement Unit 17 Curl Code

Claims (7)

A foot electrode that comes into contact with the foot of the person being measured, a human body placing portion that includes the foot electrode and on which the subject is placed during measurement, a hand electrode that contacts the hand of the person being measured, and the hand electrode. A measurement unit that measures the impedance between the foot electrode and the hand electrode, and information on the measurement person that represents the physical characteristics of the measurement subject. An input means for inputting information, a calculation means for calculating information on the living body of the measurement subject from the impedance between the foot electrode and the hand electrode and the measurement subject information, and a calculation result by the calculation means is displayed. It has a notifying means and a storage means that is provided in the human body placing section and stores at least measured person information inputted by the input means, and electrically connects the gripping section and the human body placing section. Connect with a detachable cable to , Said human body mounting portion connector insertion port for connecting a connector provided in the cable is more established, and connected to said connector receptacle and input in advance to keep the subject information of the connector A biological information measuring device configured to discriminate a person to be measured by performing association in the storage means . Before term memory means biological information measurement device according to claim 1 capable of storing data of the calculation result or the like measured in the subject information and the past. The biological information measuring device according to claim 2, wherein accumulated data such as calculation results measured in the past can be called by inserting a connector. The biological information measuring device according to claim 1, wherein the cable has an interface capable of exchanging data with a computer or the like. The biological information measuring device according to any one of claims 1 to 4, further comprising a hand operation unit configured integrally with an input unit, a notification unit, and a gripping unit. The human body placing part has weight measuring means on the human body placing part, and performs calculation of information on the living body of the subject using the result of the weight measuring means as a part of the subject information. The biological information measuring device according to any one of the above. The biological information measuring device according to any one of claims 1 to 6, wherein the cable is a curled cord formed in a spiral shape and having a degree of freedom in expansion and contraction.

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