A body fluid component measuring system which is capable of continuous measurement and reduces downtime includes a sensor unit which is positionable indwelling in the skin of a subject and which measures a predetermined body fluid component included in the body fluid of the subject; and a transmissi
A body fluid component measuring system which is capable of continuous measurement and reduces downtime includes a sensor unit which is positionable indwelling in the skin of a subject and which measures a predetermined body fluid component included in the body fluid of the subject; and a transmission unit which is detachably attached to the sensor unit and which calculates blood glucose level based on measurement data measured by the sensor unit, and transmits the calculated blood glucose level to a display unit. Identification information for establishing communication between the transmission unit and the display unit is stored in the sensor unit, and the transmission unit, upon activation, uses the identification information read out by the sensor unit to establish communication with the display unit.
대표청구항▼
1. A body fluid component measuring system comprising: a display device;a sensor unit attachable to a body of a subject, the sensor unit comprising: a needle possessing a point configured to be indwelled in skin of the subject when the sensor unit is attached to the body of the subject to obtain a b
1. A body fluid component measuring system comprising: a display device;a sensor unit attachable to a body of a subject, the sensor unit comprising: a needle possessing a point configured to be indwelled in skin of the subject when the sensor unit is attached to the body of the subject to obtain a body fluid sample of the subject; a component measuring section which is connected to the needle to receive the body fluid sample obtained by the needle and which is configured to measure a predetermined body fluid component of the body fluid sample; and a memory which stores calibration information; anda transmitting unit configured to receive the calibration information from the sensor unit in response to sending a measurement instruction to the sensor unit and comprising: a housing detachably attachable to the sensor unit; memory storing a calculating program which calculates a concentration of the predetermined body fluid component included in the body fluid sample based on the predetermined body fluid component of the body fluid sample measured by the component measuring section and the calibration information received from the sensor unit; and a transmitter which is configured to transmit a result of the calculation of the concentration of the predetermined body fluid component and a measurement date and time of the component to the display device which displays the concentration of the predetermined body fluid component and the measurement date and time of the component; whereinthe memory of the sensor unit stores identifying information, the transmitting unit is configured to, when activated, transmit a request to the sensor unit to read the identifying information stored in the memory of the sensor unit, and the transmitting unit is configured to establish communication with the display device using the identifying information read from the memory of the sensor unit,the memory of the sensor unit stores the concentration of the predetermined body fluid component calculated by the calculating program stored in the memory of the transmitting unit and the measurement date and time of the component, andthe system further comprises a second transmitting unit detachably attachable to the sensor unit in place of the transmitting unit and configured to receive from the sensor unit, upon replacing the transmitting unit, the concentration of the predetermined body fluid component calculated by the transmitting unit, the measurement date and time of the component, and the calibration information. 2. The body fluid component measuring system according to claim 1, wherein the memory of the sensor unit is an integrated circuit chip. 3. The body fluid component measuring system according to claim 1, wherein the transmitting unit includes a speaker providing audible notifications. 4. The body fluid component measuring system according to claim 1, wherein the transmitting unit includes a rechargeable battery. 5. A body fluid component measuring system comprising: a sensor unit configured to be at least partially positioned indwelling in skin of a subject, the sensor unit configured to measure a predetermined body fluid component of an actual body fluid of the subject to obtain a measurement signal and to store calibration information; anda transmitting unit comprising a housing detachably attachable to the sensor unit and activated by a user, the transmitting unit configured to receive the measurement signal and the calibration information from the sensor unit in response to sending a measurement instruction to the sensor unit, to perform calculation of a concentration of the body fluid component in a body fluid which is either a same kind as the actual body fluid or a different kind from the actual body fluid, on a basis of the received measurement signal and the received calibration information, and to transmit a result of the calculation to a display device; whereinthe sensor unit stores identifying information for establishing communication between the transmitting unit and the display device and the concentration of the predetermined body fluid component calculated by the transmitting unit and a measurement date and time of the component;the transmitting unit is configured to, when activated, transmit a request to the sensor unit to read the identifying information stored in the sensor unit and to establish communication with the display device using the read identifying information; andthe system further comprises a second transmitting unit detachably attachable to the sensor unit in place of the transmitting unit and configured to receive from the sensor unit, upon replacing the transmitting unit, the concentration of the predetermined body fluid component calculated by the transmitting unit, the measurement date and time of the component, and the calibration information. 6. The body fluid component measuring system according to claim 5, wherein the sensor unit is configured to perform a sampling measurement process to produce measurement data, and to transmit the measurement data to the transmitting unit for calculating the calibration information. 7. The body fluid component measuring system according to claim 6, wherein the transmitting unit is configured, when it has received the measurement data from the sensor unit, to calculate the calibration information using the measurement data received from the sensor unit, and to store the calculated calibration information in the sensor unit. 8. The body fluid component measuring system according to claim 7, wherein the sensor unit is configured to measure the predetermined body fluid component of the body fluid of the subject at predetermined time intervals, and wherein the transmitting unit is configured, when it receives from the sensor unit the measurement signal measured at the predetermined time intervals, to also read the stored calibration information. 9. The body fluid component measuring system according to claim 8, wherein the concentration of the body fluid component is a blood glucose level, and wherein the transmitting unit is configured to calculate the blood glucose level based on the measurement signal and the calibration information received from the sensor unit, and to store the calculated blood glucose level in the sensor unit together with the measurement date and time of the component. 10. The body fluid component measuring system according to claim 9, wherein the transmitting unit is configured to receive an instruction to read blood glucose level data from the display device, and, when it receives the instruction to read the blood glucose level data from the display device, to read the blood glucose level data stored in the sensor unit together with the measurement date and time of the component, and to transmit the blood glucose level data to the display device together with the measurement date and time of the component. 11. The body fluid component measuring system according to claim 5, wherein the transmitting unit operates on a rechargeable battery. 12. A method of measuring a body fluid component comprising: when activated, transmitting a request to read communication identification information stored in a sensor unit with a transmitting unit, the transmitting unit comprising a housing detachably mounted on the sensor unit;verifying, with the transmitting unit, that the communication identification information read from the sensor unit matches communication identification information in a display device to establish communication between the transmitting unit and the display device, the display device including a display which displays information;obtaining a body fluid sample of a subject which contains the body fluid component with a sensor unit;measuring, with the sensor unit, the body fluid component of the body fluid sample and sending, from the sensor unit to the transmitting unit, in response to the transmitting unit sending a measurement instruction to the sensor unit, measurement data indicating the measured body fluid component and calibration information;calculating, with the transmitting unit, a concentration of the body fluid component based on the measurement data from the sensor unit and the calibration information from the sensor unit;transmitting, with the transmitting unit, the calculated concentration of the body fluid component to the sensor unit and a measurement date and time of the component;storing, with the sensor unit, the calculated concentration of the body fluid component and the measurement date and time of the component; anddetachably attaching a second transmitting unit to the sensor unit in place of the transmitting unit which receives from the sensor unit, upon replacing the transmitting unit, the concentration of the predetermined body fluid component calculated by the transmitting unit, the measurement date and time of the component, and the calibration information. 13. The method according to claim 12, further comprising transmitting, with the transmitting unit, the calculated concentration of the body fluid component and the measurement date and time of the component to the display device, and displaying, with the display of the display device, the concentration of the body fluid component and the measurement date and time of the component. 14. The method according to claim 12, wherein the sensor unit measures the body fluid component of the body fluid sample in response to the measurement instruction from the transmitting unit. 15. The method according to claim 12, wherein the sensor unit sends the calibration information to the transmitting unit together with the measurement data.
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