Analyte sensor

Abstract

The present invention relates generally to systems and methods for measuring an analyte in a host. More particularly, the present invention relates to systems and methods for transcutaneous measurement of glucose in a host.

What is claimed is: 
     
         1 . A continuous analyte monitoring assembly adapted to assist in determining an analyte level of a fluid, the continuous analyte monitoring assembly comprising:
 a housing having a bottom, the bottom forming a recess;   electronics located within the housing, the electronics being adapted to assist in determining an analyte level of a fluid sample;   an implantable sensor being adapted to move from a retracted position whereat the implantable sensor is at least partially curved and stowed at least partially inside the housing, to an inserted position, whereat the implantable sensor extends at least partially out of the housing, the implantable sensor being adapted to move through the recess; and   a cannula being adapted to assist in placing the implantable sensor.   
     
     
         2 . The assembly of  claim 1 , wherein the electronics is a printed circuit. 
     
     
         3 . The assembly of  claim 1 , further including a removable adhesive liner, the adhesive liner adapted to attach to skin. 
     
     
         4 . The assembly of  claim 1 , wherein the housing includes a disposable housing and a reusable housing, the reusable housing being adapted to contain the electronics. 
     
     
         5 . The assembly of  claim 4 , wherein the disposable housing includes the implantable sensor, the cannula and an adhesive liner. 
     
     
         6 . The assembly of  claim 1 , wherein the implantable sensor is a wire that includes a reagent. 
     
     
         7 . The assembly of  claim 1 , wherein the implantable sensor is an electrochemical sensor. 
     
     
         8 . The assembly of  claim 1 , wherein the implantable sensor is moved from the retracted position to the inserted position by rotating at least a portion of the housing. 
     
     
         9 . The assembly of  claim 1 , wherein the area of the continuous analyte monitoring assembly is less than 0.25 in 2 .