US2016051173A1PendingUtilityA1

Transcutaneous analyte sensor

69
Assignee: DEXCOM INCPriority: Jul 13, 2004Filed: Oct 27, 2015Published: Feb 25, 2016
Est. expiryJul 13, 2024(expired)· nominal 20-yr term from priority
Inventors:Mark C. BristerPaul V. NealeJames R. PetisceJames Patrick ThrowerSean SaintJohn Nolting
A61B 5/1486A61B 5/145A61B 5/6801A61B 5/14735A61B 5/6849A61B 5/1411A61B 5/14532A61B 5/0002A61B 5/1473A61M 2005/1585A61B 5/14507A61B 5/150022A61B 17/3468A61B 5/0004A61B 5/14865A61B 5/72A61B 5/14546A61B 2560/0223A61B 5/1495A61B 5/68335A61B 5/6833A61M 5/1723A61B 2560/045A61B 5/14514A61B 5/6848A61B 2017/3492A61M 5/14244A61B 5/1468A61B 2562/18A61B 5/05A61B 5/14503A61B 5/14A61B 2560/063A61B 5/1451A61B 5/0031Y02A90/10
69
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Claims

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.

Claims

exact text as granted — not AI-modified
1 - 20 . (canceled) 
     
     
         21 . An assembly, comprising:
 a sensor;   a mounting unit for placement on a skin of a host;   a sensor introducer coupled to the sensor and to the mounting unit, the sensor introducer configured to transcutaneously introduce a portion of the sensor through the skin of the host to an insertion position relative to the mounting unit, the sensor configured to be covered by a needle while in the insertion position;   a data processing unit configured to be coupled to the mounting unit by the host or a caretaker, the data processing unit displacing the sensor to a sensing position relative to the mounting unit upon coupling to the mounting unit, the sensor configured to not be covered by the needle while in the sensing position.   
     
     
         22 . The assembly of  claim 21  wherein in the insertion position, a portion of the sensor is closer to the mounting unit of the host than in the sensing position. 
     
     
         23 . The assembly of  claim 21  wherein the sensor includes an engagement portion configured to couple to a housing of the data processing unit, such that the portion of the sensor is displaced with the movement of the data processing unit when coupling to the mounting unit. 
     
     
         24 . The assembly of  claim 21  wherein the data processing unit is configured to be in electrical contact with the sensor to receive one or more signals associated with an analyte of the host. 
     
     
         25 . The assembly of  claim 24  wherein the data processing unit is coupled to the mounting unit when in electrical contact with the sensor. 
     
     
         26 . The assembly of  claim 24  wherein the data processing unit transmits data associated with the one or more signals associated with the analyte. 
     
     
         27 . The assembly of  claim 26  wherein the data processing unit wirelessly transmits the data to a remote location. 
     
     
         28 . The assembly of  claim 27  wherein the transmitted data are output at the remote location. 
     
     
         29 . The assembly of  claim 21  wherein the sensor includes a glucose sensor. 
     
     
         30 . The assembly of  claim 21  wherein the sensor introducer includes a deployment mechanism to transcutaneously introduce the portion of the sensor. 
     
     
         31 . The assembly of  claim 30  wherein the deployment mechanism is actuated to transcutaneously introduce the portion of the sensor. 
     
     
         32 . The assembly of  claim 30  wherein the deployment mechanism includes a manual deployment mechanism. 
     
     
         33 . The assembly of  claim 30  wherein the deployment mechanism includes a spring biased deployment mechanism. 
     
     
         34 . The assembly of  claim 21  wherein the sensor is positioned at the insertion position prior to being positioned at the sensing position. 
     
     
         35 . The assembly of  claim 21  wherein the sensor is maintained at the sensing position during the sensing time period. 
     
     
         36 . The assembly of  claim 35  wherein the sensing time period includes one of approximately three days, approximately five days, or approximately seven days. 
     
     
         37 . The assembly of  claim 21  wherein the sensor includes a working electrode formed with one or more of carbon, gold, metal alloy or a conductive polymer. 
     
     
         38 . The assembly of  claim 21  wherein the portion of the sensor is transcutaneously introduced through the skin to the insertion position at a first angle relative to a surface of the skin, and further, wherein the transcutaneously introduced sensor is displaced to the sensing position at a second angle relative to the surface of the skin. 
     
     
         39 . The assembly of  claim 38  wherein the first angle and the second angle are the same. 
     
     
         40 . The assembly of  claim 38  wherein one or more of the first angle and the second angle are approximately 90 degrees or less. 
     
     
         41 . An assembly, comprising:
 a sensor;   a mounting unit for placement on a skin of a host;   a sensor introducer coupled to the sensor and to the mounting unit, the sensor introducer configured to transcutaneously introduce a portion of the sensor through the skin of the host to a first position relative to the mounting unit, the sensor introducer comprising a needle;   a data processing unit configured to be coupled to the mounting unit by the host or a caretaker, the data processing unit displacing an ex vivo portion of the sensor to a second position relative to the mounting unit upon coupling to the mounting unit.   
     
     
         42 . The assembly of  claim 41  wherein in the first position, a portion of the sensor is closer to the mounting unit of the host than in the second position. 
     
     
         43 . The assembly of  claim 41  wherein the sensor includes an engagement portion configured to couple to a housing of the data processing unit, such that the portion of the sensor is displaced with the movement of the data processing unit when coupling to the mounting unit. 
     
     
         44 . The assembly of  claim 41  wherein the data processing unit is configured to be in electrical contact with the sensor to receive one or more signals associated with an analyte of the host. 
     
     
         45 . The assembly of  claim 44  wherein the data processing unit is coupled to the mounting unit when in electrical contact with the sensor. 
     
     
         46 . The assembly of  claim 44  wherein the data processing unit transmits data associated with the one or more signals associated with the analyte. 
     
     
         47 . The assembly of  claim 46  wherein the data processing unit wirelessly transmits the data to a remote location. 
     
     
         48 . The assembly of  claim 47  wherein the transmitted data are output at the remote location. 
     
     
         49 . The assembly of  claim 41  wherein the sensor includes a glucose sensor. 
     
     
         50 . The assembly of  claim 41  wherein the sensor introducer includes a deployment mechanism to transcutaneously introduce the portion of the sensor. 
     
     
         51 . The assembly of  claim 50  wherein the deployment mechanism is actuated to transcutaneously introduce the portion of the sensor. 
     
     
         52 . The assembly of  claim 50  wherein the deployment mechanism includes a manual deployment mechanism. 
     
     
         53 . The assembly of  claim 50  wherein the deployment mechanism includes a spring biased deployment mechanism. 
     
     
         54 . The assembly of  claim 41  wherein the sensor is positioned at the first position prior to being positioned at the second position. 
     
     
         55 . The assembly of  claim 41  wherein the sensor is maintained at the second position during the sensing time period. 
     
     
         56 . The assembly of  claim 55  wherein the sensing time period includes one of approximately three days, approximately five days, or approximately seven days. 
     
     
         57 . The assembly of  claim 41  wherein the sensor includes a working electrode formed with one or more of carbon, gold, metal alloy or a conductive polymer. 
     
     
         58 . The assembly of  claim 41  wherein the portion of the sensor is transcutaneously introduced through the skin to the first position at a first angle relative to a surface of the skin, and further, wherein the transcutaneously introduced sensor is displaced to the second position at a second angle relative to the surface of the skin. 
     
     
         59 . The assembly of  claim 58  wherein the first angle and the second angle are the same. 
     
     
         60 . The assembly of  claim 58  wherein one or more of the first angle and the second angle are approximately 90 degrees or less. 
     
     
         61 . An assembly, comprising:
 a sensor;   a mounting unit for placement on a skin of a host;   a sensor introducer releasably coupled to the sensor and to the mounting unit, the sensor introducer configured to transcutaneously introduce a portion of the sensor through the skin of the host to an insertion position relative to the mounting unit; and   a data processing unit configured to be coupled to the mounting unit by the host or a caretaker after the sensor introducer is released from the mounting unit and the sensor, the data processing unit displacing the sensor to a sensing position relative to the mounting unit upon coupling to the mounting unit.

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