RF tag on test strips, test strip vials and boxes
A glucose monitoring system, includes a glucose sensor strip or package of strips. The strip includes a substrate and a glucose monitoring circuit that has electrodes and a bodily fluid application portion of selected chemical composition. An antenna is integrated with the glucose sensor strip. A RFID sensor chip is coupled with the glucose sensor strip and the antenna. The chip has a memory containing digitally-encoded data representing calibration and/or expiration date information for the strip.
1. A glucose monitoring device, comprising:
a housing;
an output unit coupled to the housing for outputting information related to a monitored analyte level;
an antenna coupled to the housing; and
a radio frequency identification (RFID) reader component coupled to the housing and the antenna, the RFID reader component configured to transmit a radio frequency (RF) signal and to detect a backscattering radio wave including digitally encoded data representing the analyte level determined by an analyte sensor.
2. The device of claim 1 including a data communication unit for communicating data related to the monitored analyte level.
3. The device of claim 2 , where in the data communication unit includes a universal serial bus (USB) connection.
4. The device of claim 3 , wherein the USB connection includes a USB connector coupled to the housing.
5. The device of claim 1 , wherein the antenna comprises one of a loop antenna or a dipole antenna.
6. The device of claim 5 , wherein the loop antenna comprises a conducting loop.
7. The device of claim 1 , wherein the housing includes a strip port configured to receive an in vitro glucose test strip.
8. The device of claim 1 , further including a memory coupled to the RFID reader component, the memory configured to store data representing one or more of a lot information associated with the analyte sensor, a calibration code associated with the analyte sensor, or an analyte sensor expiration information.
9. The device of claim 1 , wherein the RFID reader component detects the backscattering radio wave based on the transmitted RF signal.
10. The device of claim 9 , wherein the transmitted RF signal includes an RF power signal.
11. The device of claim 1 , wherein RFID reader component is configured to operate in an ultra high frequency (UHF) frequency band.
12. The device of claim 1 , wherein the output unit includes a display for displaying an indication related to the determined analyte level.
13. The device of claim 12 , wherein the displayed indication includes a numerical value of a glucose measurement.
14. The device of claim 1 , wherein the digitally encoded data representing the determined analyte level includes a current analyte level data and one or more prior analyte level data determined by the analyte sensor.
15. The device of claim 1 , wherein the detected backscattering radio wave includes digitally encoded data representing expiration date information of one or more in vitro test strips in a container.
16. The device of claim 15 , wherein the container includes one of a package container or a vial container having an RFID tag.
17. The device of claim 16 , wherein the digitally encoded data is stored in the RFID tag.
18. The device of claim 16 , wherein the RFID tag is mounted within the container.
19. The device of claim 16 , wherein the RFID tag includes one of an active tag or a passive tag.
20. The device of claim 15 , wherein the digitally encoded data further includes data representing one or more of a lot number of the test strip, a manufacture date of the test strip, a type of test strip, a calibration code associated with the test strip, a calibration data associated with the test strip, or one or more combinations thereof.
21. A method, comprising:
providing a housing including an output unit;
coupling an antenna to the housing;
coupling a radio frequency identification (RFID) reader component to the housing and the antenna;
transmitting a radio frequency (RF) signal from the RFID reader component and detecting with the RFID reader component a backscattering radio wave including digitally encoded data representing the analyte level determined by an analyte sensor; and
outputting information related to a monitored analyte level to the output unit.
22. The method of claim 21 further including communicating data related to the monitored analyte level.
23. The method of claim 21 , further including coupling a memory to the RFID reader component for storing data representing one or more of a lot information associated with the analyte sensor, a calibration code associated with the analyte sensor, or an analyte sensor expiration information.
24. The method of claim 21 , wherein the backscattering radio wave is detected in response to the transmitted RF signal.
25. The method of claim 24 , wherein the transmitted RF signal includes an RF power signal.