RF tag on test strips, test strip vials and boxes

• US 8,223,021 B2
• Filed: 11/24/2009
• Issued: 07/17/2012
• Est. Priority Date: 02/08/2005
• Status: Active Grant

• Current Assignee: Abbott Diabetes Care Incorporated (Abbott Laboratories Incorporated)
• Original Assignee: Abbott Diabetes Care Incorporated (Abbott Laboratories Incorporated)
• Inventors: Goodnow, Timothy T., He, Lei (Lawrence)
• Primary Examiner(s): La, Anh V
• Application Number:
  US12/625,522
• Publication Number:
  US 20100089750A1
• Time in Patent Office: 966 Days
• Field of Search: 3405721-5729, 340/573.1, 340/573.4, 340/539.12, 340/539.17, 340/568.1, 340/10.41, 600/365, 600/347, 204/403.1, 422/82.01
• US Class Current: 340/572.1
• CPC Class Codes: A61B 2562/0295 Strip shaped analyte sensors for apparatus classified in A61B5/145 or A61B5/157 disposable multilayered or laminated electrodes G01N27/307; details of handling chemical test elements G01N33/4875
• CPC Class Codes: A61B 2562/08 Sensors provided with means for identification, e.g. barcodes or memory chips
• CPC Class Codes: A61B 2562/085 combined with means for recording calibration data
• CPC Class Codes: A61B 5/0004 characterised by the type of physiological signal transmitted
• CPC Class Codes: A61B 5/0022 Monitoring a patient using a global network, e.g. telephone networks, internet
• CPC Class Codes: A61B 5/0026 characterised by the transmission medium
• CPC Class Codes: A61B 5/14503 invasive, e.g. introduced into the body by a catheter or needle or using implanted sensors A61B5/1459, A61B5/1464, A61B5/1473, A61B5/1482, A61B5/14865 take precedence
• CPC Class Codes: A61B 5/14532 for measuring glucose, e.g. by tissue impedance measurement
• CPC Class Codes: A61B 5/1473 invasive, e.g. introduced into the body by a catheter A61B5/1482 takes precedence
• CPC Class Codes: A61B 5/14735 comprising an immobilised reagent
• CPC Class Codes: A61B 5/1486 using enzyme electrodes, e.g. with immobilised oxidase
• CPC Class Codes: A61B 5/1495 Calibrating or testing of in-vivo probes
• CPC Class Codes: A61B 5/150358 Strips for collecting blood, e.g. absorbent optical reagent test strips G01N21/8483; chemical reagent test strips G01N33/4875, G01N33/52
• CPC Class Codes: A61B 5/7275 Determining trends in physiological measurement data; Predicting development of a medical condition based on physiological measurements, e.g. determining a risk factor
• CPC Class Codes: A61B 5/7282 Event detection, e.g. detecting unique waveforms indicative of a medical condition A61B5/4094, A61B5/4818, A61B5/349, A61B5/0823 take precedence
• CPC Class Codes: A61B 5/742 using visual displays A61B5/339 takes precedence
• CPC Class Codes: A61B 90/90 Identification means for patients or instruments, e.g. tags
• CPC Class Codes: A61B 90/98 using electromagnetic means, e.g. transponders
• CPC Class Codes: G01N 33/48771 Coding of information, e.g. calibration data, lot number
• CPC Class Codes: G06K 7/10366 the interrogation device being adapted for miscellaneous applications
• CPC Class Codes: G08C 17/02 : using a radio link

Abstract

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.

Claims

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.