Glucose measurement device and methods using rfid

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. An 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.

What is claimed is: 
     
         1 . An analyte sensing device for use in diabetes management, comprising:
 a partially or fully implantable in vivo analyte sensor including an analyte monitoring circuit having a plurality of electrodes;   a radio frequency identification (RFID) sensor associated with the partially or fully implantable in vivo analyte sensor, the RFID sensor comprising a memory in which digitally encoded diabetes information of the in vivo analyte sensor can be stored, wherein the RFID sensor is adapted to send a first radio wave, containing the diabetes information, after receipt of a second radio wave.   
     
     
         2 . The analyte sensing device of  claim 1 , wherein the RFID sensor is a passive RFID sensor. 
     
     
         3 . The analyte sensing device of  claim 2 , wherein the first radio wave is a backscattered radio wave and the second radio wave is an interrogation signal, and wherein the RFID sensor is adapted to send the first radio wave in response to impingement of the second radio wave on an antenna of the RFID sensor. 
     
     
         4 . The analyte sensing device of  claim 2 , wherein the RFID sensor is adapted to use power from the second radio wave. 
     
     
         5 . The analyte sensing device of  claim 2 , wherein the passive RFID sensor does not comprise a battery. 
     
     
         6 . The analyte sensing device of  claim 1 , wherein the RFID sensor is an active RFID sensor. 
     
     
         7 . The analyte sensing device of  claim 1 , wherein the RFID sensor is part of an RFID tag. 
     
     
         8 . The analyte sensing device of  claim 1 , wherein the RFID sensor is a chip mounted on a PCB substrate. 
     
     
         9 . The analyte sensing device of  claim 1 , wherein the RFID sensor comprises a transponder that is adapted to receive the second radio wave and send the first radio wave, containing the diabetes information, after receipt of the second radio wave. 
     
     
         10 . The analyte sensing device of  claim 1 , wherein the diabetes information includes calibration information, expiration information, data representing a lot number, data representing a manufacture date, or data representing a sensor type. 
     
     
         11 . The analyte sensing device of  claim 1 , further comprising an antenna. 
     
     
         12 . The analyte sensing device of  claim 11 , wherein the antenna is a loop antenna. 
     
     
         13 . The analyte sensing device of  claim 11 , wherein the antenna is a dipole antenna. 
     
     
         14 . The analyte sensing device of  claim 1 , wherein the antenna is integrated with the in vivo analyte sensor. 
     
     
         15 . The analyte sensing device of  claim 14 , wherein the in vivo analyte sensor comprises a substrate, and wherein the antenna comprises a conducting loop extending around substantially a perimeter of the substrate and has two ends coupled with the RFID sensor. 
     
     
         16 . The analyte sensing device of  claim 1 , wherein the plurality of electrodes include a working electrode and a counter electrode. 
     
     
         17 . The analyte sensing device of  claim 16 , wherein the plurality of electrodes includes a reference electrode. 
     
     
         18 . The analyte sensing device of  claim 1 , configured to perform electrolysis on a bodily fluid. 
     
     
         19 . The analyte sensing device of  claim 1 , wherein the analyte monitoring circuit comprises a bodily fluid application portion. 
     
     
         20 . The analyte sensing device of  claim 1 , wherein the analyte is glucose. 
     
     
         21 . The analyte sensing device of  claim 20 , wherein the RFID sensor is adapted to receive a third radio wave from the RFID reader and write information from the third radio wave into the memory. 
     
     
         22 . The analyte sensing device of  claim 1 , wherein the first radio wave is in a frequency band around 13.56 MHz. 
     
     
         23 . The analyte sensing device of  claim 1 , wherein the first radio wave is in a frequency band around 2.45 GHz. 
     
     
         24 . A glucose sensing device for use in diabetes management, comprising:
 a partially or fully implantable in vivo glucose sensor including a glucose monitoring circuit having a plurality of electrodes;   a radio frequency identification (RFID) sensor associated with the partially or fully implantable in vivo glucose sensor, the RFID sensor comprising a memory in which digitally encoded diabetes information of the in vivo glucose sensor can be stored, wherein the RFID sensor is adapted to send a first radio wave, containing the diabetes information, after receipt of a second radio wave.   
     
     
         25 . The glucose sensing device of  claim 24 , wherein the RFID sensor is a passive RFID sensor. 
     
     
         26 . The glucose sensing device of  claim 25 , wherein the first radio wave is a backscattered radio wave and the second radio wave is an interrogation signal, and wherein the RFID sensor is adapted to send the first radio wave in response to impingement of the second radio wave on an antenna of the RFID sensor. 
     
     
         27 . The glucose sensing device of  claim 25 , wherein the RFID sensor is adapted to use power from the second radio wave. 
     
     
         28 . The glucose sensing device of  claim 25 , wherein the passive RFID sensor does not comprise a battery. 
     
     
         29 . The glucose sensing device of  claim 24 , wherein the RFID sensor is an active RFID sensor. 
     
     
         30 . The glucose sensing device of  claim 24 , wherein the RFID sensor is part of an RFID tag. 
     
     
         31 . The glucose sensing device of  claim 24 , wherein the RFID sensor is a chip mounted on a PCB substrate. 
     
     
         32 . The glucose sensing device of  claim 24 , wherein the RFID sensor comprises a transponder that is adapted to receive the second radio wave and send the first radio wave, containing the diabetes information, after receipt of a second radio wave. 
     
     
         33 . The glucose sensing device of  claim 24 , wherein the diabetes information includes calibration information, expiration information, data representing a lot number, data representing a manufacture date, or data representing a sensor type. 
     
     
         34 . The glucose sensing device of  claim 24 , further comprising an antenna. 
     
     
         35 . The glucose sensing device of  claim 34 , wherein the antenna is a loop antenna. 
     
     
         36 . The glucose sensing device of  claim 34 , wherein the antenna is a dipole antenna. 
     
     
         37 . The glucose sensing device of  claim 24 , wherein the antenna is integrated with the in vivo glucose sensor. 
     
     
         38 . The glucose sensing device of  claim 37 , wherein the in vivo glucose sensor comprises a substrate, and wherein the antenna comprises a conducting loop extending around substantially a perimeter of the substrate and has two ends coupled with the RFID sensor. 
     
     
         39 . The glucose sensing device of  claim 24 , wherein the plurality of electrodes include a working electrode and a counter electrode. 
     
     
         40 . The glucose sensing device of  claim 39 , wherein the plurality of electrodes includes a reference electrode. 
     
     
         41 . The glucose sensing device of  claim 24 , configured to perform electrolysis on a bodily fluid. 
     
     
         42 . The glucose sensing device of  claim 24 , wherein the glucose monitoring circuit comprises a bodily fluid application portion. 
     
     
         43 . The glucose sensing device of  claim 24 , wherein the RFID sensor is adapted to receive a third radio wave from the RFID reader and write information from the third radio wave into the memory. 
     
     
         44 . The glucose sensing device of  claim 22 , wherein the first radio wave is in a frequency band around 13.56 MHz. 
     
     
         45 . The glucose sensing device of  claim 22 , wherein the first radio wave is in a frequency band around 2.45 GHz.