Sensor unit for continuous blood glucose measurement

Abstract

The present disclosure relates to a sensor member for continuous blood glucose measurement, wherein a first electrode layer and a second electrode layer are laminated to be misaligned from each other in the process of forming an electrode layer of the sensor member for continuous blood glucose measurement, so that an electrical contact phenomenon between the first electrode layer and the second electrode layer, which may occur in the process of cutting both side surfaces of the sensor member in the widthwise direction, is prevented, and accordingly, product defects are prevented and the stability of the sensor performance is improved.

1 . A sensor unit for continuous glucose measurement having one end portion formed to extend in one direction to be inserted into a body for the continuous glucose measurement, the sensor unit comprising:
 a substrate, wherein one end portion of the substrate is formed to extend in one direction to be inserted into the body;   a first electrode layer stacked on an upper surface of the one end portion of the substrate;   a first insulation layer stacked to cover an upper surface of the first electrode layer;   a second electrode layer stacked on an upper surface of the first insulation layer; and   a second insulation layer stacked to cover an upper surface of the second electrode layer,   wherein the first electrode layer and the second electrode layer are disposed in opposite directions to each other so that one of the first electrode layer and the second electrode layer is exposed at one side surface of both side surfaces of the one end portion of the sensor unit and an other of the first electrode layer and the second electrode layer is exposed at an other side surface of the both side surfaces of the one end portion of the sensor unit.   
     
     
         2 . The sensor unit for the continuous glucose measurement of  claim 1 , wherein the first insulation layer is stacked on the substrate and the first electrode layer, and covers the upper surface and a side surface of the first electrode layer. 
     
     
         3 . The sensor unit for the continuous glucose measurement of  claim 2 , wherein the second insulation layer is stacked on the first insulation layer and the second electrode layer, and covers the upper surface and a side surface of the second electrode layer. 
     
     
         4 . The sensor unit for the continuous glucose measurement of  claim 3 , wherein:
 the substrate, the first electrode layer, the first insulation layer and the second insulation layer are stacked sequentially and are exposed at the one side surface of the both side surfaces of the one end portion of the sensor unit; and   the substrate, the first insulation layer, the second electrode layer and the second insulation layer are stacked sequentially and are exposed at the other side surface of the both side surfaces of the one end portion of the sensor unit.   
     
     
         5 . The sensor unit for the continuous glucose measurement of  claim 1 , further comprising:
 a third electrode layer stacked on a lower surface of the end portion of the substrate; and   a third insulation layer stacked on the substrate and the third electrode layer to cover a lower surface of the third electrode layer.   
     
     
         6 . The sensor unit for the continuous glucose measurement of  claim 1 , wherein the sensor unit comprises:
 a sensor body unit configured to be contactable with an electrical contact point; and   a sensor probe unit bent from one side of the sensor body unit and extending in one direction to be inserted into the body,   wherein the sensor probe unit comprises the substrate, the first electrode layer, the first insulation layer, the second electrode layer and the second insulation layer, which are stacked sequentially, and the sensor probe unit has a shape cut at both side surfaces of the sensor probe unit so that the first electrode layer and the second electrode layer are stacked to be exposed at the both side surfaces of the sensor probe unit, respectively.   
     
     
         7 . The sensor unit for the continuous glucose measurement of  claim 6 , wherein the first electrode layer and the second electrode layer are formed to extend to the sensor body unit to be contacted with the electrical contact point. 
     
     
         8 . The sensor unit for the continuous glucose measurement of  claim 2 , further comprising:
 a third electrode layer stacked on a lower surface of the end portion of the substrate; and   a third insulation layer stacked on the substrate and the third electrode layer to cover a lower surface of the third electrode layer.   
     
     
         9 . The sensor unit for the continuous glucose measurement of  claim 3 , further comprising:
 a third electrode layer stacked on a lower surface of the end portion of the substrate; and   a third insulation layer stacked on the substrate and the third electrode layer to cover a lower surface of the third electrode layer.   
     
     
         10 . The sensor unit for the continuous glucose measurement of  claim 4 , further comprising:
 a third electrode layer stacked on a lower surface of the end portion of the substrate; and   a third insulation layer stacked on the substrate and the third electrode layer to cover a lower surface of the third electrode layer.   
     
     
         11 . The sensor unit for the continuous glucose measurement of  claim 2 , wherein the sensor unit comprises:
 a sensor body unit configured to be contactable with an electrical contact point; and   a sensor probe unit bent from one side of the sensor body unit and extending in one direction to be inserted into the body,   wherein the sensor probe unit comprises the substrate, the first electrode layer, the first insulation layer, the second electrode layer and the second insulation layer, which are stacked sequentially, and the sensor probe unit has a shape cut at both side surfaces of the sensor probe unit so that the first electrode layer and the second electrode layer are stacked to be exposed at the both side surfaces of the sensor probe unit, respectively.   
     
     
         12 . The sensor unit for the continuous glucose measurement of  claim 3 , wherein the sensor unit comprises:
 a sensor body unit configured to be contactable with an electrical contact point; and   a sensor probe unit bent from one side of the sensor body unit and extending in one direction to be inserted into the body,   wherein the sensor probe unit comprises the substrate, the first electrode layer, the first insulation layer, the second electrode layer and the second insulation layer, which are stacked sequentially, and the sensor probe unit has a shape cut at both side surfaces of the sensor probe unit so that the first electrode layer and the second electrode layer are stacked to be exposed at the both side surfaces of the sensor probe unit, respectively.   
     
     
         13 . The sensor unit for the continuous glucose measurement of  claim 4 , wherein the sensor unit comprises:
 a sensor body unit configured to be contactable with an electrical contact point; and   a sensor probe unit bent from one side of the sensor body unit and extending in one direction to be inserted into the body,   wherein the sensor probe unit comprises the substrate, the first electrode layer, the first insulation layer, the second electrode layer and the second insulation layer, which are stacked sequentially, and the sensor probe unit has a shape cut at both side surfaces of the sensor probe unit so that the first electrode layer and the second electrode layer are stacked to be exposed at the both side surfaces of the sensor probe unit, respectively.