JP4955437B2 - Biochemical measuring instrument stand that can display the status of the biochemical measuring instrument - Google Patents

Description

  The present invention relates to a biochemical measuring instrument stand that can display a state of a biochemical measuring instrument that detects a liquid component using a biochemical sensor.

As represented by diabetes, when the body's metabolic function for sugar decreases, the sugar concentration in blood and urine increases. Conventionally, for diabetes treatment and prevention thereof, a blood glucose meter that measures the sugar concentration (blood glucose level) in blood at the time of collection from blood taken from a subject (for example, Patent Document 5 and Patent Document 6 below, Patent Document 7), or a urine sugar meter that measures urine sugar concentration (urine sugar value) at the time of excretion from urine excreted from the subject (for example, Patent Document 1, Patent Document 2, and Patent below) The blood glucose level or urine sugar level is measured after a certain period of time after eating using the literature 3, the patent literature 4, and the patent literature 8), and the body metabolic function for the sugar is determined from the magnitude of the blood glucose level or the urine sugar value at the time of the measurement. Confirmation is made or not. Here, the measurement is performed after the elapse of a certain time after the meal, in order to evaluate the body metabolic function with respect to the sugar based on the peak value of the blood glucose level or the urine sugar value after the elapse of the certain time after the meal.
JP-A-9-297120 JP-A-9-297134 JP-A-10-170513 Japanese Patent Laid-Open No. 2002-214186 JP 2003-302406 A JP 2003-334180 A JP 2004-233294 A JP 2006-153849 A

  Since each principle and structure of sugar concentration measurement are described in detail in the above-mentioned patent document, the above-mentioned patent document is cited here, and detailed description thereof is omitted. As an example of a biochemical measuring instrument, for example, a urine sugar meter disclosed in Patent Document 8 that detects urine components (such as urine sugar) using the action of an enzyme will be briefly described below. 1 and 2 are external views, FIG. 3 is a block diagram showing an electrical configuration, and FIG. 4 is a partially enlarged view showing a display form of a display unit.

  As shown in FIG. 1, the urine sugar meter 1 shown in FIG. 1 performs a sensor cartridge 11 for electrochemically detecting urinary sugar, and measures and displays the urinary sugar concentration based on detection by the sensor cartridge 11. In this case, the urine sugar meter main body 21 is a part that holds the urine sugar meter. The sensor cartridge 11 and the urine sugar meter main body 21 can be separated from each other as shown in FIG. 1 and can be connected to each other as shown in FIG. 2 so that the sensor cartridge 11 can be replaced. The illustrated urine sugar meter 1 can be stored by being inserted into a stand 41 having a magnet 42 when not in use, as shown in FIG. Furthermore, as shown by a dotted line in FIG.

As shown in the block diagram of FIG. 3, the sensor cartridge 11 accommodates the urine sugar sensor 13, the thermistor 14, the stand detection reed switch 15, the connector 16 and the connector connection detection circuit 17 in the housing 12 shown in FIG. Yes. The urine sugar meter main body 21 includes a power source 23, operation buttons 24 (24a, 24b), a D / A conversion device 25, a sensor drive circuit 26, an A / D conversion device 27, a buzzer 28, an LCD display device 29, an external input. The output interface terminal 30, the connector 31, and the microcomputer 32 are accommodated in the housing 22 shown in FIG.
The urine sugar sensor 13 has a lifetime, and when the usage limit is reached, the LCD display 29 displays that the sensor should be replaced. In this case, the user removes the sensor cartridge 11 from the urine sugar meter main body 21 and attaches a new sensor cartridge 11 to the urine sugar meter main body 21. Since the sensor cartridge 11 and the urine sugar meter main body 21 are electrically connected, it is preferable that the connector 16 of the sensor cartridge 11 can be easily connected to the connector 31 of the urine sugar meter main body 21 at the time of replacement. Further, since urine or washing water is applied to the sensor cartridge 11, the space between the sensor cartridge 11 and the urine sugar meter main body 21 must be excellent in waterproofness. Even so, it needs to be maintained at all times.

  Further, when the battery built in the urine sugar meter main body 21 has reached the end of its life, it is necessary to replace it with a new battery. However, it is desirable to consider that the battery can be easily replaced by the user. That is, it is preferable that the battery can be easily taken out from the urine sugar meter main body 21 and a new battery can be easily attached to the urine sugar meter main body 21.

The urine sugar sensor 13 detects the urinary sugar concentration over a wide range of low, medium and high while eliminating the influence of contaminants in the urine. The urine sugar sensor 13 is an enzyme configured as a sensor for detecting urine components.
The thermistor 14 detects the temperature of urine at the time of measurement and corrects the temperature characteristics of the urine sugar sensor 13.

  When the urine sugar meter 1 is housed in the stand 41, the stand detection reed switch 15 is turned off, for example, due to the magnetic field by the magnet 42. The microcomputer 32 recognizes the off state of the stand detection reed switch 15 and The LCD display device 29 is turned off so as to reduce power consumption as much as possible, while the microcomputer 32 itself is put into a sleep state except for the counting function and the monitoring function for the stand detection reed switch 15. When the urine sugar meter 1 is taken out from the stand 41, the stand detection reed switch 15 is released from the influence of the magnetic field by the magnet 42 and is turned on. The microcomputer 32 recognizes the on state of the stand detection reed switch 15 and All functions of the urine sugar meter are restored to enable mode setting, calibration, measurement of urine sugar concentration, and the like.

The power source 23 is a battery and supplies power to each part of the electrical system of the urine sugar meter 1.
The operation buttons 24 (24a, 24b) are used to detect that the button has been pressed, select a mode and meal content, register settings, and calibrate.
The D / A converter 25 converts the digital signal (drive signal) from the microcomputer 32 into an analog signal (drive signal) and outputs the analog signal (drive signal).
The sensor drive circuit 26 supplies a drive signal to the urine sugar sensor 13 based on the drive signal from the D / A converter 25 and receives the detection signal detected by the urine sugar sensor 13 to receive the A / D converter. 27.

The A / D conversion device 27 converts an analog signal (detection signal) from the sensor drive circuit 26 into a digital signal (detection signal) and outputs it.
Based on the signal from the microcomputer 32, the buzzer 28 generates a buzzer sound for notifying that urine sugar measurement is to be performed.
On the basis of the signal from the microcomputer 32, the LCD display device 29 determines the calibration status, measurement status, sensor replacement notification, battery replacement notification, selection mode status, notification of the next measurement, urine sugar measurement result Display notifications and notifications of judgment results.

  More specifically, the status of calibration is displayed by lighting the “reference alignment” and the “water drop mark” on the display contents shown in FIG. 4 during calibration. Moreover, the status of measurement is displayed by lighting any of “Preparing”, “Measurement”, “Washing” or “End” during the measurement process. Further, the “sensor replacement” is turned on at the time of replacement of the urine sugar sensor 13 to display a notification of replacement of the sensor cartridge 11. Further, a battery replacement notice is displayed by turning on the “battery mark” at the time of replacement. Further, the status of the selected mode is displayed by lighting the “mode” and the selected one of “1”, “2”, “3”, and “4” next to it at the time of the event. Further, the “next measurement notice” and “after time” and either “1” or “2” between them are lit at the time of the event, thereby displaying the next measurement notice. Furthermore, the “4-digit number” illustrated as “1347” in the center lights the urine sugar change value, the reference urine sugar change value, or the normal urine sugar change value after each measurement, thereby indicating the urine sugar measurement result. Display an announcement. Further, among the three “triangular marks”, the position corresponding to the determination content printed on the housing 22 is turned on after each determination to display the status of the selection mode.

The external input / output interface terminal 30 is used for connecting the external input / output interface 38 in the microcomputer 32 to an external device such as a personal computer. Various data (from the external device) is transmitted between the microcomputer 32 and the external device. Communication data and output data such as urine sugar measurement results / judgment results from the urine sugar meter 1).
The connectors 16 and 31 electrically connect the sensor cartridge 11 and the urine sugar meter main body 21.
The connector connection detection circuit 17 detects whether the connector 16 and the connector 31 are connected.

  The microcomputer 32 calculates various urine sugar values, various availability determinations, and controls various types of control and control devices 33, a ROM 34 that stores control and calculation programs, calculation results, programs read from the outside, etc. RAM 35 for temporarily storing, clock 36 for timing various notifications, auxiliary storage device 37 for storing the selected mode, meal contents, various calculated urine sugar values, determined determination results, etc. until updated Connected to external devices such as personal computers and various data (input data from external devices and output data such as urine sugar measurement results / judgment results from the urine sugar meter 1), connected to each part of the electrical system Provided with ports etc. (not shown), urine sugar value immediately before meal, urine sugar value after meal, reference urine sugar value before meal, reference urine sugar value after meal, normal urine sugar value before meal Notification that normal postprandial urinary glucose should be measured, pre-meal urine sugar, pre-meal urinary glucose, standard pre-meal urinary glucose, pre-meal urinary glucose, standard post-meal urinary glucose, normal pre-meal urine Measurement of sugar level, urine sugar value just before normal meal, urine sugar value after normal meal, urine sugar change value (difference between postprandial urine sugar value and urine sugar value just before meal), reference urine sugar change value (reference postprandial urine sugar value and Difference between the urine sugar value immediately before the standard meal), normal urine sugar change value (difference between the normal postprandial urine sugar value and the normal urine sugar value immediately before the normal meal), and the differential urine sugar change value (the normal urine sugar change value and the reference urine sugar (Difference with change value), determination of whether or not the amount of sugar in the body can be changed based on the urine sugar change value, determination on whether or not normal meal contents are available based on the food difference urine sugar change value, and these calculations / determinations Processing such as control related to output of results is performed.

  In the urine sugar meter 1 described above, a glucose sensor composed of a glucose oxidase and a hydrogen peroxide electrode may be used as a method for easily and accurately measuring the urine sugar value. In general, when this glucose sensor is used, the urine sugar sensor 13 is immersed in a buffer solution in a stand 41 in which a buffer solution (preservation solution) is stored during non-measurement in order to keep the detection part of the sensor at a constant activity. The urine sugar meter 1 is stored in a state of being allowed to enter. It is possible to measure the sample several times by taking it out from the buffer solution, applying urine directly, measuring it, washing it, and immersing it in the buffer solution. However, the waiting time until the output (baseline) becomes stable and constant Calibration every period is required (Patent Document 1, Patent Document 2).

  Furthermore, the conventional urine sugar meter as disclosed in Patent Document 1 cannot be measured unless it is calibrated with a reference solution or the like. In addition, since the sensitivity of the measuring instrument changes depending on the elapsed time and environment, it is necessary to perform calibration every certain period or when a sudden temperature change is detected. In the storage state, it is difficult to know when and how many days the next calibration timing will come.

  The above procedure is shown in a flowchart in FIG. When the urine sugar meter 1 is stored in a state where the urine sugar sensor 13 is immersed in the buffer solution in the stand 41 containing the buffer solution, as described above, the LCD display device 29 is maintained in the off state. The microcomputer 32 is also kept in the sleep state, and the consumption of the power source 23 (battery) is minimized.

  When the urine sugar meter 1 is stored in the stand 41, when the urine sugar meter 1 is taken out, the stand detecting reed switch 15 detects that the urine sugar meter 1 has been taken out. Then, the microcomputer 32 of the measuring instrument main body 21 in the sleep state is operated, and first, whether or not the urine sugar sensor 13, that is, the sensor cartridge 11 is within the usable range (the elapsed time since the sensor cartridge 11 was replaced) It is determined whether or not the replacement time has been reached and whether or not the number of measurements since the replacement of the sensor cartridge 11 has reached the upper limit number). As a result, if it is out of the usable range, “sensor replacement” is displayed. In that case, the urine sugar meter 1 is returned to the stand 41 after replacing the sensor cartridge 11.

  On the other hand, if it is within the usable range, whether the waiting time has passed since the urine sugar sensor 13 has been replaced and the output (baseline) is stabilized after being immersed in the buffer solution, or from the previous calibration. If the number of subsequent measurements has reached the specified limit or the elapsed time since the last calibration has reached the specified limit, etc. To be displayed. In that case, after calibrating by measuring the reference solution, the urine sugar meter 1 is returned to the stand 41.

If it is within the allowable range, a measurable indication is displayed. In that case, if the urine is applied to the urine sugar sensor 13, the measured value is automatically displayed on the LCD display device 29.
After the measurement, the urine sugar sensor 13 is washed and returned to the stand 41 as shown in FIG. Usually, the buffer solution of the urine sugar sensor 13 is held in the stand 41. When the urine sugar meter 1 is inserted into the stand 41, the urine sugar sensor 13 is immersed in the buffer solution, and the urine sugar sensor 13 (that is, an enzyme). Is maintained stably.

  However, the above can be understood only after the urine sugar meter 1 is removed from the stand 41. The reason for this is that a very small battery such as a button battery is used as the power source of the urine sugar meter main body of the urine sugar meter 1 and the power capacity is small. This is because, as described above, the LCD display device 29 is maintained in the OFF state while the microcomputer 32 is also maintained in the sleep state so as to minimize power consumption. That is, no information is displayed on the LCD display device 29 while the urine sugar meter 1 is standing on the stand 41. Further, when the cap 43 is put on, it is not visible at all if the cap 43 is opaque, and it is difficult to see even if the cap 43 is translucent. Further, even if the power consumption is ignored and the microcomputer 32 and the LCD display device 29 are maintained in an operating state, it is difficult to display all the information desired to be known due to the size limit of the LCD display device.

  Therefore, it is necessary for the user to check whether or not the measurement is possible by using the LCD display device 29 of the urine sugar meter main body, but it is the present situation that the user must first calibrate when taking out and measuring. Since this measurement cannot be performed without performing calibration and calibration, the user cannot measure immediately even though he wants to measure.

  An object of the present invention is to provide a method and an apparatus for notifying the calibration timing of a biochemical measuring instrument that solve the above-described problems.

In order to achieve the above-described object of the present invention, according to the present invention, a biochemical measuring device that detects a liquid component using a biochemical sensor and a biochemical measuring device stand that stores the biochemical measuring device are provided. A biochemical measuring instrument set comprising: the biochemical measuring instrument connected to a biochemical sensor, a first display device, a power source, the biochemical sensor, the first display device, and the power source. A first microcomputer, a first communication means connected to the first microcomputer, and a detecting means for detecting that the biochemical measuring instrument is stored in the biochemical measuring instrument stand. The first microcomputer controls the measurement by the biochemical sensor, processes the measurement data, displays the measurement result on the first display device, and further displays the measurement result. When the detecting means detects that the biochemical measuring instrument is stored in the biochemical measuring instrument stand, the computer outputs information relating to the state of the biochemical sensor via the first communication means. ,
The biochemical measuring instrument stand is capable of communicating with a second display device, a second microcomputer connected to the second display device, and the first communication means connected to the second microcomputer. Second communication means, and the second microcomputer is output via the first communication means when the biochemical measuring instrument is stored in the biochemical measuring instrument stand. The information related to the state of the biochemical sensor is received via the second communication means, and the information related to the state of the biochemical sensor is displayed on the second display device, and the biochemical sensor A biochemical measuring instrument set is provided, wherein information relating to the passage of time in the information relating to the state is updated and displayed with the passage of time.

  The first microcomputer may turn off the first display device after outputting information relating to the state of the biochemical sensor via the first communication means.

  For example, the first communication means is a first plurality of contacts disposed on a housing surface of the biochemical measuring device, and the second communication means is configured such that the biochemical measuring device is a biochemical measuring device stand. And a plurality of second contacts arranged at positions where the first plurality of contacts come into contact with the first plurality of contacts.

  Alternatively, the first communication means is a wireless tag arranged in a housing of the biochemical measuring device, and the second communication means is configured such that the biochemical measuring device is stored in the biochemical measuring device stand. And a wireless tag reader / writer that can communicate with the wireless tag.

  In a preferred embodiment of the present invention, the biochemical measuring device is a urine sugar meter using a glucose sensor, and the information related to the state of the biochemical sensor includes the number of measurements and the elapsed time since sensor replacement, and the latest information. And the number of measurements since the calibration and the elapsed time.

Furthermore, according to the present invention, there is provided a biochemical measuring instrument stand for storing a biochemical measuring instrument for detecting a liquid component using a biochemical sensor,
The biochemical measuring instrument stand includes a display device, a microcomputer connected to the display device, and communication means connected to the microcomputer and capable of communicating with the biochemical measuring device. Receives the information related to the state of the biochemical sensor output from the biochemical measuring device when the biochemical measuring device is stored in the biochemical measuring device stand via the communication means, and Biochemistry characterized in that the information related to the state of the chemical sensor is displayed on the display device, and information related to the passage of time in the information related to the state of the biochemical sensor is updated and displayed over time. An instrument stand is provided.

  For example, the communication means is a plurality of contacts arranged at positions where the biochemical measuring instrument comes into contact with the plurality of contacts of the biochemical measuring instrument when stored in the biochemical measuring instrument stand.

  Alternatively, the communication means is a wireless tag reader / writer that can communicate with a wireless tag of the biochemical measuring device when the biochemical measuring device is stored in a biochemical measuring device stand.

  In a preferred embodiment of the present invention, the biochemical measuring device is a urine sugar meter using a glucose sensor, and the information related to the state of the biochemical sensor includes the number of measurements and the elapsed time since sensor replacement, and the latest information. The microcomputer can measure the display device based on the number of measurements and elapsed time since sensor replacement and the number of measurements and elapsed time since the last calibration. Whether or not to display at least.

In addition, or according to the present invention, a biochemical measuring device that detects a liquid component using a biochemical sensor,
The biochemical measuring instrument includes a biochemical sensor, a display device, a power source, a microcomputer connected to the biochemical sensor, the display device, and the power source, and a communication unit connected to the microcomputer. Detecting means for detecting that the biochemical measuring instrument is stored in the biochemical measuring instrument stand, and the microcomputer controls measurement by the biochemical sensor and processes measurement data. The measurement result is displayed on the display device, and the microcomputer further sets the state of the biochemical sensor when the detecting means detects that the biochemical measuring device is stored in the biochemical measuring device stand. A biochemical measuring device is provided, which outputs such information via the communication means.

  The microcomputer can also turn off the display device after outputting information related to the state of the biochemical sensor via the communication means.

  For example, the communication means is a plurality of contacts arranged on the surface of the biochemical measuring device housing, and a plurality of contacts arranged on the stand when the biochemical measuring device is stored in a biochemical measuring device stand. It is designed to come into contact with contacts.

  Alternatively, the communication means is a wireless tag disposed in a housing of the biochemical measuring device, and the wireless tag is connected to the biochemical measuring device when the biochemical measuring device is stored in the biochemical measuring device stand. It can communicate with the RFID tag reader / writer of the measuring instrument stand.

  In a preferred embodiment of the present invention, the biochemical measuring device is a urine sugar meter using a glucose sensor, and the information related to the state of the biochemical sensor includes the number of measurements and the elapsed time since sensor replacement, and the latest information. Includes the number of measurements and elapsed time since the calibration.

As is clear from the above, according to the present invention, the calibration timing and state can be known without complicating the LCD display device of the biochemical measuring instrument main body such as the urine sugar meter main body.
As a display method, for example, depending on lighting, blinking, and color change of an LED, a measurement waiting state, a measurable state, and a calibration state are classified. In addition, a counter for the number of times until calibration and the number of times of measurement and an LCD display device may be attached to the stand.

  According to the present invention, the state of the biochemical measuring instrument main body such as the urine sugar meter main body can be obtained by taking out the biochemical measuring instrument main body such as the urine sugar meter main body from the stand by the LED or the counter provided on the stand. Is displayed. In addition, since the power supply device can be provided in the stand, there is no limit on the power consumption due to the continuous lighting of the LED or LCD.

Furthermore, when the collected data is taken into a personal computer or transmitted through a communication line, the collected data can be used for more advanced management.
Since the state of the urine sugar meter main body can be grasped in advance by using an LED, a counter or the like provided on the stand, it is possible to avoid a situation in which it cannot be used at the time of taking out.

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

Example 1
6 is an external view showing the back side of the urine sugar meter according to the present invention, and FIG. 7 is a front perspective view of the stand with the urine sugar meter returned to the stand and further covered with a cap. 8 is a block diagram showing an electrical configuration. The front side of the urine sugar meter is the same as in FIG. 6 to 8, the same reference numerals are given to the same parts as those of the conventional example shown in FIGS. 1 to 5, and the description thereof is omitted. The auxiliary storage device 37 is configured by a non-volatile memory, and stores various state information, which will be described later, related to the urine sugar meter, and further time information as necessary.

  As shown in FIG. 6, four contacts 51, 52, 53, and 54 are provided on the inclined surface of the truncated cone base of the sensor cartridge 11. As shown in FIG. 8, the contacts 53 and 54 are short-circuited, and the contacts 51, 52 and 53 are connected to the external input / output interface 38 of the microcomputer 32 via the connectors 16A and 31A.

  On the other hand, in addition to the magnet 42, a microcomputer 55 (only the input / output interface 56 is shown), a power source 57, a display device drive circuit 58, a display device 59, and a power switch (not shown) are provided inside the housing of the stand 41. ing. Further, the stand 41 is provided with contacts 61, 62, 63 and 64 at positions (not shown) where the urine sugar meter 1 comes into contact with the contacts 51, 52, 53 and 54, respectively, when the urine sugar meter 1 is returned to the stand 41. Yes. The urine sugar meter 1 has an oval cross section, and the cross section of the hole on the stand side into which the urine sugar meter 1 is inserted is also an oval shape, so that the front side of the urine sugar meter 1 (LCD display device) If the urine sugar meter 1 is inserted into the stand, the contact 51, 52, 53, and 54 and the contacts 61, 62, 63, and 64 are connected to the front side of the stand (the front side is shown in FIG. 7). Each can be reliably contacted.

The contacts 61 and 62 are short-circuited, and the contacts 62, 63 and 64 are connected to the external input / output interface 56 of the microcomputer 55. The power source 57 is connected to the microcomputer 55 and the display device driving circuit 58, and the display device driving circuit 58 drives the display device 59 from the power source 57 with electric energy under the control of the microcomputer 55.
For example, as shown in FIG. 7, the display device 58 can include three light emitting diodes 59 </ b> A, 59 </ b> B, and 59 </ b> C arranged in front of the side surface of the stand 41. In the example of FIG. 7, the light emitting diode 59A is a blue light emitting diode that displays “measurable”, and the light emitting diode 59B is a yellow light emitting diode that displays “calibration state” and “waiting for measurement”. The diode 59 </ b> C is a red light emitting diode that displays “sensor replacement” and “waiting for measurement”.

  Since the microcomputer 55 has the same configuration as the microcomputer 32, the description thereof is omitted, and only the external input / output interface 56 described above is shown. On the other hand, the microcomputer 55 and the microcomputer 32 are different from the conventional example in that a program for executing the procedure described below is written in the internal ROM.

The procedure will be described below with reference to the flowcharts of FIGS. 9 and 9A.
When a power switch (not shown) of the stand 41 is turned on, all electronic devices in the stand 41 including the microcomputer 55 are maintained in an operating state. On the other hand, in the urine sugar meter 1 taken out from the stand 41, all the electronic devices in the urine sugar meter 1 are maintained in the operating state.

Step S1:
(1) When the urine sugar meter 1 is stored in such a stand 41, the stand detection reed switch 15 is opened by the magnetic force of the magnet 42. Thereafter, the cap 43 is put on the stand 41. However, the cap 43 may not be put on the stand 41. Conventionally, when the stand detection reed switch 15 is opened, the LCD display device 29 is turned off so as to minimize power consumption. On the other hand, the microcomputer 32 also has a stand detection reed switch monitoring function and a counting function. However, in the present invention, when the stand detection reed switch 15 is opened, the LCD display device 29 is turned off to minimize power consumption, while the microcomputer 32 is The operation state is maintained and the following processing is executed.

  As shown in the flowchart of FIG. 9A showing the details of step S1, the microcomputer 32 detects the state of the stand detection reed switch 15 and determines whether “the urine sugar meter 1 is stored in the stand 41”.

(2) After confirming that the urine sugar meter 1 is stored in the stand 41, the microcomputer 32 detects whether the contacts 51 and 52 are short-circuited. On the other hand, the microcomputer 55 of the stand 41 detects whether the contacts 63 and 64 are short-circuited.

  In a state where the urine sugar meter 1 is stored in the stand 41, the contacts 51, 52, 53 and 54 come into contact with the contacts 61, 62, 63 and 64, respectively. The contacts 51 and 52 are short-circuited via the contacts 61 and 62, and the microcomputer 32 detects that the contacts 51 and 52 are short-circuited, “contacts 51, 52, 53 and 54 are all contacts 61, 62, 63 and 64. , And thus can communicate with the stand 41 side. On the other hand, the contacts 63 and 64 are short-circuited via the contacts 53 and 54, and the microcomputer 55 causes the short-circuit between the contacts 63 and 64 and “the contacts 61, 62, 63 and 64 are all contacts 51, 52, 53. , 54 and 54, respectively, and therefore can communicate with the urine sugar meter 1 side.

(3) If the microcomputer 32 of the urine sugar meter 1 recognizes that “communication with the stand 41 side” is recognized, the counting of the first predetermined time T1 is started, and the first predetermined time T1 is counted. When the counting is completed, the counting of the second predetermined time T2 is started, and “total number of measurements and total elapsed time since replacement of the sensor cartridge 11”, “number of measurements and elapsed time since the last calibration”, etc. Information relating to the state of the urine sugar sensor is transmitted to the stand 41 side via the contacts 52 and 53.

  The first predetermined time T1 described above is a time point when the stand-side microcomputer 55 determines that communication is possible when the microcomputer 32 of the urine sugar meter 1 determines that communication is possible earlier than the stand-side microcomputer 55. And is the first guaranteed time for ensuring that information is received. The second predetermined time T2 is a time obtained by adding the second guaranteed time and the likelihood time to the required transmission time. However, the time required for transmission is not only the time required for one information transmission, but the same information is transmitted a plurality of times within the second predetermined time T2 as the time required for transmitting the same information a plurality of times. May be. The second guaranteed time is the time when the microcomputer 32 of the urine sugar meter 1 judges that communication is possible when the microcomputer 55 on the stand side judges that communication is possible earlier than the microcomputer 32 of the urine sugar meter 1. Is the maximum time difference. Likelihood time is the time to allow various deviations

  The microcomputer 32 of the urine sugar meter 1 puts the microcomputer 32 itself in the sleep state after the second predetermined time T2 has elapsed so as to minimize the power consumption of the power source 23 of the urine sugar meter 1.

(4) On the other hand, if the microcomputer 55 on the stand 41 side recognizes that “communication with the urine sugar meter 1 side” is recognized, the counting of the sum “T1 + T2” of the first and second predetermined times is started. At the same time, reception of information sent from the urine sugar meter 1 side via the contacts 62 and 63 that are in contact with the contacts 52 and 53, respectively, is started, and the received information is stored in the storage device. Counting times such as “total elapsed time since replacement of the cartridge 11” and “elapsed time since the last calibration” are performed independently of the urine sugar meter 1.

The microcomputer 55 on the stand 41 side determines whether all necessary information has been sent from the urine sugar meter 1 side when the time “T1 + T2” has elapsed. When all necessary information is not sent from the urine sugar meter 1 side, all three light emitting diodes 59A, 59A and 59C are blinked to warn of a user's communication failure. In that case, the user resumes the process from the beginning of the step of FIG. 9A by taking out the urine sugar meter 1 from the stand 41 and storing it again in the stand. In that case, when the urine sugar meter 1 is taken out from the stand 41, the stand detection reed switch 15 goes out of the range of the influence of the magnetic force of the magnet 42. Therefore, the stand detecting reed switch 15 is opened and the stand detecting reed switch 15 is opened. When detected, the microcomputer 32 of the urine sugar meter 1 restores all the functions of the urine sugar meter 1.
If all the necessary information has been sent from the urine sugar meter 1 side, the process proceeds to Step 2.

  Although not shown in the flowchart of FIG. 9A, when all the necessary information is not sent from the urine sugar meter 1 side, all three light emitting diodes 59A, 59A and 59C are blinked to communicate with the user. Instead of warning a failure, a signal sequence having a predetermined pattern can be sent back to the urine sugar meter 1 to request retransmission of information. In that case, the microcomputer 32 on the urine sugar meter 1 side resets the count of the elapsed time until the sleep state is entered, starts counting the elapsed time from zero, and stands for the above-described information relating to the sensor state. Resend to 41 side. When the time “T1 + T2” elapses after the counting is started from zero, the microcomputer 32 is also put in the sleep state.

  On the other hand, the microcomputer 55 on the stand 41 side receives the information for a predetermined time X (T1 + T2) (for example, X is greater than 2), even though the urine sugar meter 1 side requests the retransmission of information. When the (integer) has elapsed, all three light emitting diodes 59A, 59A and 59C can be blinked for the first time to warn of a user's communication failure.

Step S2:
The number of measurements and the elapsed time are determined independently for the microcomputer 55 on the stand 41 side.

  Normally, when the urine sugar meter 1 is returned to the stand 41, it is after urine measurement and necessary washing, and the total number of measurements or total elapsed time since the replacement of the sensor cartridge 11, or the number of measurements or elapsed since calibration. If the time has reached the upper limit, the necessary display is made on the display device 29 of the urine sugar meter 1, so that the user can take the necessary countermeasures, and after taking the necessary countermeasures. The urine sugar meter 1 is returned to the stand 41.

  However, in the present invention, even when the user returns the urine sugar meter 1 to the stand 41 without noticing the warning display on the display device 29 of the urine sugar meter 1, all necessary information is transferred from the urine sugar meter 1 to the stand 41 side. Therefore, the measurement number / elapsed time determination is performed on the stand 41 side. If the total number of measurements or the total elapsed time since the replacement of the sensor cartridge 11 is outside the upper limit range (200 times and 60 days), the process proceeds to step S3, and if it is within the upper limit range, the process proceeds to step S5.

Step S3:
In order to instruct the sensor replacement, the red light emitting diode 59C displaying “sensor replacement” and “measurement waiting” is turned on. Then, it progresses to step S4.

Step S4:
In order to replace the sensor cartridge 11, the urine sugar meter 1 is removed from the stand 41. By removing the short circuit between the contacts 63 and 64, the microcomputer 55 on the stand 41 side recognizes that the urine sugar meter 1 has been removed from the stand 41, and the microcomputer 55 on the stand 41 side stores the stored sensor state. Erase information once.
After attaching a new sensor cartridge 11 to the urine sugar meter 1, the process returns to step S1. That is, the urine sugar meter 1 replaced with a new sensor cartridge 11 is returned to the stand 41.

Step S5:
If the total number of measurements or the total elapsed time since the replacement of the sensor cartridge 11 is within the upper limit, the measurement is waited for stabilization of the output (baseline). Proceed to step S6.

Step S6:
Both the red light emitting diode 59C that displays “sensor replacement” and “waiting for measurement” and the yellow light emitting diode 59B that displays “calibration state” and “waiting for measurement” are lit to indicate that the measurement is waiting. At the same time, the measurement waiting time is counted. Proceed to step S7.

Step S7:
When the measurement waiting time expires, the process proceeds to step S8.

Step S8:
The determination of the number of measurement times and elapsed time is performed again. If the total number of measurements or the total elapsed time since the replacement of the sensor cartridge 11 is outside the upper limit range during the measurement waiting time, the process proceeds to step S3.

  The total number of measurements and the total elapsed time since the replacement of the sensor cartridge 11 are within the upper limit range, but the number of measurements or the elapsed time since the calibration is within a predetermined limit range (24 times if the sensor cartridge 11 is just replaced) After that, if it is out of 48 times and 7 days in any case), the process proceeds to step S9.

  If the total number of measurements and the total elapsed time since the replacement of the sensor cartridge 11 are within the upper limits, and if the number of measurements and the elapsed time since the calibration are within a predetermined range, the process proceeds to step S10.

Step S9:
In order to prompt the user to perform a calibration operation, the yellow light emitting diode 59B displaying “calibration state” and “waiting for measurement” is turned on. Proceed to step Sll. Note that if the user leaves the sensor cartridge 11 without performing calibration work and the total number of measurements or the total elapsed time since the replacement of the sensor cartridge 11 falls outside the upper limit range, the yellow light emitting diode 59B is turned off and the “sensor” The red light-emitting diode 59C displaying “Replacement” and “Waiting for measurement” is turned on.

Step SIO:
In order to display to the user that measurement is possible, the blue light emitting diode 59A that displays “measurable” is turned on. Proceed to step S12. If the user leaves the sensor cartridge 11 without measuring and the total number of measurements or the total elapsed time since the replacement of the sensor cartridge 11 is outside the upper limit range, the blue light emitting diode 59A displaying “measurable” is displayed. It is turned off and the red light emitting diode 59C displaying “sensor replacement” and “waiting for measurement” is turned on. Further, when the number of measurements or elapsed time from the calibration is out of the predetermined limit range, the blue light emitting diode 59A indicating “measurable” is turned off, and “calibration state” and “waiting for measurement” are displayed. The yellow light emitting diode 59B is turned on.

Step S11:
The urine sugar meter 1 is removed from the stand 41, and the process proceeds to step S13.
Step S12:
The urine sugar meter 1 is removed from the stand 41, and the process proceeds to step S14.
Step S13:
The reference solution is measured with the urine sugar meter 1, and the process proceeds to step S15.
Step S14;
Urine measurement is performed with the urine sugar meter 1, and the process proceeds to step S15.
Step S15:
Wash urine sugar meter 1 and return to step S1.

  10, 11, 12, and 13 are modifications of the display device of the stand 41. In the example of FIG. 10, the remaining number of measurable times and the remaining measurable days until the next sensor calibration, and the remaining measurable number of times and the remaining measurable days until the replacement of the sensor cartridge 11 are displayed as numerical values.

In the example of FIG. 11, only the remaining measurable number of times until the sensor calibration after the next replacement is displayed in a bar graph format.
The example of FIG. 12 is a combination of the example of FIG. 7 and the example of FIG.
The example of FIG. 13 is a combination of the example of FIGS. 10 and 7 and the example of FIG. 11 in which the display of the remaining measurable days until the next sensor calibration is omitted.

Example 2
In the embodiment shown in FIGS. 6 to 8, the four contacts 51 to 54 are provided in the sensor cartridge 11, but can be provided in the urine sugar meter main body 21. The electrical configuration in that case is shown in the block diagram of FIG. As can be seen from FIG. 14, it is not necessary to interpose a connector for connecting the sensor cartridge 11 and the urine sugar meter body 21 in the middle of the connection from the external input / output interface 38 to the contacts 51 to 54. May be conventional. On the other hand, when the contacts 51 to 54 are provided on the side surface of the lowermost part of the urine sugar meter main body 21, the stand 41 is raised so that it can be accommodated up to the lowermost part of the urine sugar meter main body 21, and the urine sugar meter The upper part of the hole for receiving the urine sugar is also enlarged to accommodate the urine sugar meter main body 21, and contacts 61 to 64 are provided on the inner surface of the enlarged hole.

Example 3
In the embodiment shown in FIGS. 6 to 8, information is transferred via the contacts 51 to 54 and contacts 61 to 64, but information transfer by wireless communication is also possible. The electrical configuration in such a case is shown in the block diagram of FIG.

  The embodiment of FIG. 15 uses the technology of a readable / writable passive type wireless tag, and a passive type wireless tag 70 is built in the urine sugar meter main body 21 of the urine sugar meter 1. A wireless tag reader / writer 80 and a urine sugar meter sensor 82 for detecting that the urine sugar meter is housed in the stand are incorporated. The passive wireless tag 70 is very small and is easily built in the urine sugar main body 21 of the conventional urine sugar meter 1. Since wireless communication is performed when the urine sugar meter 1 is accommodated in the stand 41, a required communication distance of about 10 cm at the maximum is sufficient. Therefore, if a communication distance of about 10 cm can be secured, the communication frequency of the passive wireless tag can be any frequency from 13.56 MHz in the so-called electromagnetic induction system to 2.45 GHz in the so-called radio system. You can choose from.

  Since the configuration of the passive wireless tag and the reader / writer therefor is already known, detailed description is omitted. In particular, the configuration and function of the reader / writer are the same as in the conventional example. On the other hand, the passive wireless tag 70 is different from a general passive wireless tag in that not only information is exchanged wirelessly with the reader / writer 80 but information is exchanged with the microcomputer 32 by wire. The following description will focus on the differences.

  The passive wireless tag 70 includes an antenna 71, an RF circuit 72, a calculation and control device (CPU) 73, and a nonvolatile memory 74, as in a general passive wireless tag. Further, unlike a general passive wireless tag, it has an external input / output interface 75 for exchanging information with the microcomputer 32 by wire, and the external input / output interface 75 is an external input / output interface of the microcomputer 32. It is connected to the interface 38.

  The operation of the embodiment of FIG. 15 corresponding to step S1 of the operation of the first embodiment shown in FIGS. 6 to 8 shown in the flowchart of FIG. 9A will be described below. Steps S2 to S15 are the same.

(1) When the power switch (not shown) of the stand 41 is turned on, all the electronic devices in the stand 41 including the microcomputer 55 are maintained in an operating state. When the urine sugar meter 1 is stored in such a stand 41, the stand detection reed switch 15 operates by the magnetic force of the magnet 42, and the microcomputer 32 recognizes that “the urine sugar meter 1 is stored in the stand 41”. . Also in this embodiment, at this time, the LCD display device 29 is turned off so as to reduce power consumption as much as possible. However, unlike the prior art, the microcomputer 32 is not put into the sleep state.
On the other hand, when the urine sugar meter sensor 82 of the stand 41 detects the urine sugar meter 1, a detection signal is transmitted to the microcomputer 55, and the microcomputer 55 recognizes that “the urine sugar meter 1 is stored in the stand 41”. .

(2) The microcomputer 55 activates the reader / writer 80 to put it in an operating state, and further transmits a transmission instruction signal on radio waves emitted from the antenna 81 of the reader / writer 80 as energy for driving the wireless tag. The RF circuit 72 that receives the radio wave emitted from the antenna 81 of the reader / writer 80 by the antenna 71 supplies the drive voltage obtained by rectifying and boosting the radio wave to various circuits in the wireless tag 70, and also transmits the transmission instruction signal. Are transmitted to the calculation and control device 73. Receiving the transmission instruction signal, the arithmetic and control unit 73 once clears the nonvolatile memory 74 and transfers the transmission instruction signal to the microcomputer 32 via the input / output interface 75.

The microcomputer 32 that has received the transmission instruction signal transfer via the input / output interface 38, “the total number of measurements and total elapsed time since the replacement of the sensor cartridge 11” and “the number of measurements and elapsed time since the last calibration”. Other sensor state information is transferred to the wireless tag 70 via the input / output interface 38.
The calculation and control device 73 of the wireless tag 70 that has received the sensor information via the input / output interface 75 sends a re-transmission request to the microcomputer 32 via the input / output interface 75 when all necessary sensor information has not been received. send. Receiving the retransmission request, the microcomputer 32 transfers the sensor information to the wireless tag 70 again.

  On the other hand, when the calculation and control device 73 has received all the necessary sensor information, the received necessary sensor information is temporarily stored in the nonvolatile memory 74, and reception confirmation is performed via the input / output interface 75. 32. The microcomputer 32 having received the reception confirmation puts the microcomputer 32 in a sleep state except for the count function and the monitoring function for the stand detection reed switch 15. As a result, the power consumption of the urine sugar meter 1 is kept to a minimum as in the prior art while the wireless tag performs wireless communication to be described later. The calculation and control device 73 sends a reception confirmation to the microcomputer 32, then reads the nonvolatile memory 74, controls the RF circuit 72, and transmits sensor information to the reader / writer 80 via the antenna 71. .

  The reader / writer 80 that has received the sensor information via the antenna 81 transfers the sensor information to the microcomputer 55. The microcomputer 55 determines whether the sensor information is completely prepared. When the sensor information information is not completely prepared, the microcomputer 55 sends a retransmission request to the wireless tag 70 via the reader / writer 80. The calculation and control device 73 of the wireless tag 70 that has received the re-transmission request reads the nonvolatile memory 74 again, controls the RF circuit 72, and re-transmits the sensor information to the reader / writer 80 via the antenna 71. To do.

If the microcomputer 55 determines that the sensor information is complete, the microcomputer 55 stores the received sensor information in a storage device in the microcomputer 55 and sets the reader / writer 80 in an inoperative state. End the transmission of radio waves. After the received sensor state information is stored in the storage device in the microcomputer 55, the process proceeds to step S2.
During the communication between the wireless tag 70 and the stand 41 side, the power of the power source 23 in the urine sugar meter main body 21 is not consumed at all, so that the battery of the power source 23 can be avoided.

Other Embodiments In addition, since the wireless tag only needs to hold the sensor status information while transferring information, that is, while receiving power from the reader / writer 80, the wireless tag is volatile instead of the nonvolatile memory 74. It is also possible to use a volatile memory.
In the embodiment of FIG. 15 described above, in order to minimize the power consumption on the urine sugar meter side, the readable / writable passive wireless tag technology is used, but the power capacity on the urine sugar meter side can be increased. Then, it is possible to use the technology of the active type wireless tag.

  In the above-described embodiment, when the urine sugar meter is returned to the stand, the communication means of the urine sugar meter and the communication means of the stand are operated, and the urine sugar sensor status information stored in the urine sugar meter ("sensor cartridge" 11) “Total number of measurements and total elapsed time since exchange of 11”, “Number of measurements and elapsed time since last calibration” and other information on the state of urine sugar sensor) are transferred to the microcomputer of the stand, The LCD display device 29 is turned off, and the microcomputer 32 itself is put into a sleep state except for the counting function and the monitoring function for the stand detection reed switch 15 so as to minimize the power consumption of the urine sugar meter. . However, after the urine sugar meter is returned to the stand, the urine sugar meter can be completely shut down to completely eliminate the power consumption of the urine sugar meter.

  To that end, as a modification, a power switch (not shown) for turning on / off between the power source 23 and the microcomputer 32 and the like can be added to the urine sugar meter main body 21.

  Also in this modified example, when the urine sugar meter is returned to the stand, the communication means of the urine sugar meter and the communication means of the stand operate, and the urine sugar sensor status information stored in the urine sugar meter (“sensor cartridge” The total number of measurements and the total elapsed time since the exchange of “11”, “the number of measurements and the elapsed time since the last calibration” and other information relating to the state of the urine sugar sensor) are transferred to the microcomputer of the stand, and the sensor cartridge 11 The total number of measurements since the replacement and the total elapsed time are written in the auxiliary storage device 37. After the transfer is completed, the LCD display device 29 in the urine sugar meter, the microcomputer 32 and other electronic devices are put in a sleep state. In this state, if the user does not intentionally turn off the additional power switch, the urine sugar meter is kept in the sleep state and the power consumption is kept to a minimum as in the above-described embodiment.

  However, if the user intentionally turns off the additional power switch that turns on and off between the power source 23 and the microcomputer 32, the urine sugar meter is completely shut down, and the power consumption of the urine sugar meter is completely eliminated. be able to. On the other hand, as described above, the microcomputer of the stand, based on the state information of the urine sugar sensor received from the urine sugar meter, uniquely counts the passage of time, and the urine sugar meter is in a measurement waiting state, a measurable state, The display device displays which state is the calibration state.

  In this case, when the urine sugar meter is used, an additional power switch for turning on / off between the power source 23 and the microcomputer 32 is turned on before the urine sugar meter is taken out from the stand. At this time, in this modification, when the power is turned on, the start program is started. In the start program, not only the sensor cartridge 11 but also the elapsed time since the replacement of the sensor cartridge 11 is checked. If the elapsed time is not zero, the microcomputer 32 sets the stand microcomputer to the stand. Requests the transfer of time lapse information that is uniquely counted. In response to the transfer request, the microcomputer at the stand includes not only time lapse information but also status information indicating whether the urine sugar meter is in a measurement waiting state, a measurable state, or a calibration state. , Transfer to the microcomputer 32 of the urine sugar meter. The microcomputer 32 of the urine sugar meter that has received the transfer stores the state information in the auxiliary storage device 37 and rewrites the time lapse information written in the auxiliary storage device 37 with the transferred time lapse information. Continue the time counting from the elapsed time transferred. After this, the urine sugar meter can be removed from the stand and used.

  Note that the time from when the urine sugar meter is returned to the stand until the additional power switch is turned off, and the time from when the additional power switch is turned on until the urine sugar meter is removed from the stand, is the time between the urine sugar meter and the stand. The user can turn off the additional power switch or take out the urine sugar meter from the stand at the predetermined time in consideration of the communication speed between them. After returning, when the additional power switch can be turned off, and after the additional power switch is turned on, the urine sugar meter can be removed from the stand. It is also possible to indicate or display on the side.

  In the above embodiment, the present invention is applied to a urine sugar meter using a glucose sensor. However, the present invention is not limited to a urine sugar meter using a glucose sensor, And / or the upper limit of the number of times of measurement) and / or the biochemical sensor using the biochemical sensor having the upper limit of the elapsed time after calibration and / or the upper limit of the number of times of measurement. Those skilled in the art will understand that the present invention can be widely applied regardless of whether it is necessary to immerse it in (preservation solution) and store it.

  As can be seen from the embodiments described above, according to the present invention, the state of the urine sugar meter is displayed without taking out the urine sugar meter body from the stand by a display device such as an LED or a counter provided on the stand. The In addition, since the power supply device can be provided in the stand, there is no limit on the power consumption due to continuous driving of a display device such as an LED or LCD.

  Since the state of the urine sugar meter can be grasped in advance by a display device such as an LED or a counter provided on the stand, it is possible to avoid a situation in which it cannot be used at the time of removal.

  In the embodiment described above, only the information for determining whether or not the sensor is immediately available is transferred to the stand side, but the past information stored in the urine sugar meter is stored. Of course, it can also be configured to transfer all measurement data to the stand side. In this case, the collected data can be taken into a personal computer via a stand instead of a urine sugar meter, or transmitted through a communication line, and the collected data can be used for more advanced management.

It is an external view which decomposes | disassembles and shows the conventional urine sugar meter. It is an external view which shows the storage state of the conventional urine sugar meter. It is a block diagram which shows the electronic structure of the conventional urine sugar meter. It is a figure which shows the display form of the display part in FIG. It is a flowchart which shows the procedure about handling, operation, and operation | movement of the conventional urine sugar meter. It is an external view which shows the back side of the urine sugar meter concerning this invention. It is an external view which shows the stand which accommodates the urine sugar meter concerning this invention. It is a block diagram which shows the electronic structural example of the urine sugar meter and stand concerning this invention. It is a flowchart which shows the procedure about the handling, operation, and operation | movement of a urine sugar meter and a stand concerning this invention. It is a subroutine flowchart which shows the procedure about the operation | movement immediately after accommodating the urine sugar meter concerning this invention in the stand. It is the schematic which shows another example of a display of the display apparatus of a stand. It is the schematic which shows another example of a display of the display apparatus of a stand. It is the schematic which shows another example of a display of the display apparatus of a stand. It is the schematic which shows another example of a display of the display apparatus of a stand. It is a block diagram which shows another example of an electronic structure of the urine sugar meter and stand concerning this invention. It is a block diagram which shows another example of an electronic structure of the urine sugar meter and stand concerning this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Urine sugar meter 11 Sensor cartridge 12, 22 Housing 13 Urine sugar sensor 14 Thermistor 15 Stand detection reed switch 16, 31 Connector 17 Connector connection detection circuit 21 Main body 23, 57 Power supply 24 (24a, 24b) Operation button 25 D / A conversion Device 26 Sensor drive circuit 27 A / D conversion device 28 Buzzer 29, 59 Display device 30 External input / output interface terminals 32, 55 Microcomputer 33 Arithmetic and control device 34 ROM
35 RAM
36 Clock 37 Auxiliary storage device 38, 56, 75 External input / output interface 41 Stand 42 Magnet 43 Cap 51, 52, 53, 54, 61, 62, 63, 64 Contact 59A, 59A, 59C Light emitting diode 70 Passive wireless tag 71 81 Antenna 72 RF circuit 73 Calculation and control device 74 Non-volatile memory 80 Passive wireless tag reader / writer 82 Urine sugar meter sensor

Claims (13)

In a biochemical measuring instrument set comprising a biochemical measuring instrument that detects a liquid component using a biochemical sensor, and a biochemical measuring instrument stand that stores the biochemical measuring instrument,
The biochemical measuring device includes a biochemical sensor, a first display device, a power source, a first microcomputer connected to the biochemical sensor, the first display device and the power source, and the first 1st communication means connected to one microcomputer, and detection means for detecting that the biochemical measuring instrument is stored in the biochemical measuring instrument stand. Controls the measurement by the biochemical sensor and processes the measurement data to display the measurement result on the first display device. Further, the first microcomputer displays the biochemical measuring instrument on the biochemical measuring instrument stand. When the detection means detects that the chemical measuring instrument has been stored, information relating to the state of the biochemical sensor is output via the first communication means,
The biochemical measuring instrument stand is capable of communicating with a second display device, a second microcomputer connected to the second display device, and the first communication means connected to the second microcomputer. Second communication means, and the second microcomputer is output via the first communication means when the biochemical measuring instrument is stored in the biochemical measuring instrument stand. The information related to the state of the biochemical sensor is received via the second communication means, and the information related to the state of the biochemical sensor is displayed on the second display device, and the biochemical sensor A set of biochemical measuring instruments, characterized in that information relating to the passage of time in the information relating to the state is updated and displayed with the passage of time. 2. The first microcomputer turns off the first display device after outputting information related to the state of the biochemical sensor via the first communication means. The biochemical measuring instrument set described in 1. The first communication means is a first plurality of contacts arranged on the housing surface of the biochemical measuring device, and the second communication means is stored in the biochemical measuring device stand by the biochemical measuring device. The biochemical measuring instrument set according to claim 1, wherein the biochemical measuring instrument set is a plurality of second contacts arranged at positions where the first plurality of contacts come into contact with the first plurality of contacts. The first communication means is a wireless tag arranged in a housing of the biochemical measuring device, and the second communication means is used when the biochemical measuring device is stored in the biochemical measuring device stand. The biochemical measuring instrument set according to claim 1, wherein the set is a wireless tag reader / writer capable of communicating with the wireless tag. The biochemical measuring instrument is a urine sugar meter using a glucose sensor, and the information relating to the state of the biochemical sensor includes the number of measurements and elapsed time since sensor replacement, and the number of measurements and elapsed since the last calibration. The biochemical measuring instrument set according to any one of claims 1 to 4, further comprising a time. A biochemical measuring instrument stand that stores a biochemical measuring instrument that detects a liquid component using a biochemical sensor,
The biochemical measuring instrument stand includes a display device, a microcomputer connected to the display device, and communication means connected to the microcomputer and capable of communicating with the biochemical measuring device. Receives the information related to the state of the biochemical sensor output from the biochemical measuring device when the biochemical measuring device is stored in the biochemical measuring device stand via the communication means, and Biochemistry characterized in that the information related to the state of the chemical sensor is displayed on the display device, and information related to the passage of time in the information related to the state of the biochemical sensor is updated and displayed over time. Measuring instrument stand. The communication means is a plurality of contacts arranged at positions where the biochemical measuring instrument comes into contact with the plurality of contacts of the biochemical measuring instrument when stored in the biochemical measuring instrument stand. The biochemical measuring instrument stand according to claim 6. 8. The wireless tag reader / writer capable of communicating with a wireless tag of the biochemical measuring device when the biochemical measuring device is stored in a biochemical measuring device stand. The biochemical measuring instrument stand described in 1. The biochemical measuring instrument is a urine sugar meter using a glucose sensor, and the information relating to the state of the biochemical sensor includes the number of measurements and elapsed time since sensor replacement, and the number of measurements and elapsed since the last calibration. The microcomputer includes at least whether or not measurement is possible on the display device based on the number of measurements and elapsed time since sensor replacement and the number of measurements and elapsed time since the last calibration. The biochemical measuring instrument stand according to any one of claims 6 to 8, characterized in that A biochemical measuring device that detects a liquid component using a biochemical sensor,
The biochemical measuring instrument includes a biochemical sensor, a display device, a power source, a microcomputer connected to the biochemical sensor, the display device, and the power source, and a communication unit connected to the microcomputer. Detecting means for detecting that the biochemical measuring instrument is stored in a biochemical measuring instrument stand , and the microcomputer controls the measurement by the biochemical sensor and processes measurement data to The measurement result is displayed on a display device, and the microcomputer further relates to the state of the biochemical sensor when the detecting means detects that the biochemical measuring instrument is stored in the biochemical measuring instrument stand. Outputting information via the communication means ;
The biochemical measuring instrument is a urine sugar meter using a glucose sensor, and the information relating to the state of the biochemical sensor includes the number of measurements and elapsed time since sensor replacement, and the number of measurements and elapsed since the last calibration. A biochemical instrument characterized in that it includes time . The biochemical measuring instrument according to claim 10, wherein the microcomputer turns off the display device after outputting information related to the state of the biochemical sensor via the communication means. The communication means is a plurality of contacts disposed on a housing surface of the biochemical meter, and the plurality of contacts disposed on the stand when the biochemical meter is stored in a biochemical meter stand. The biochemical measuring device according to claim 10 or 11, wherein the biochemical measuring device is in contact with each other. The communication means is a wireless tag arranged in a housing of the biochemical measuring device, and the wireless tag is connected to the biochemical measuring device when the biochemical measuring device is stored in the biochemical measuring device stand. The biochemical measuring device according to claim 10 or 11, which is communicable with a wireless tag reader / writer of a stand.

Images