ANALYTE SENSOR
First Claim
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1. A method of detecting an analyte in a host, comprising:
- a) inserting a sensor through a host'"'"'s skin and into the host, wherein the sensor is a component of an analyte sensing device configured for transcutaneous insertion into the host, wherein the sensor has an architecture with at least one dimension less than about 1 mm, and wherein a biointerface covers at least a portion of the sensor, whereby fluid flows into the biointerface upon insertion of the sensor into the host;
b) detecting from the sensor a signal indicative of a presence or a concentration of the analyte in the host; and
c) removing the sensor from the host.
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Abstract
The present invention relates generally to biointerface membranes utilized with implantable devices, such as devices for the detection of analyte concentrations in a biological sample. More particularly, the invention relates to novel biointerface membranes, to devices and implantable devices including these membranes, methods for forming the biointerface membranes on or around the implantable devices, and to methods for monitoring glucose levels in a biological fluid sample using an implantable analyte detection device.
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Citations
21 Claims
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1. A method of detecting an analyte in a host, comprising:
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a) inserting a sensor through a host'"'"'s skin and into the host, wherein the sensor is a component of an analyte sensing device configured for transcutaneous insertion into the host, wherein the sensor has an architecture with at least one dimension less than about 1 mm, and wherein a biointerface covers at least a portion of the sensor, whereby fluid flows into the biointerface upon insertion of the sensor into the host; b) detecting from the sensor a signal indicative of a presence or a concentration of the analyte in the host; and c) removing the sensor from the host. - View Dependent Claims (2, 3, 4)
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5. A method for fabricating an analyte sensor configured for insertion into a host'"'"'s soft tissue, the method comprising:
forming a biointerface having a plurality of passageways and a solid portion on at least a sensing portion of a sensor, wherein the sensor is configured to measure an analyte in the host, and wherein the sensor has an architecture with at least one dimension less than about 1 mm. - View Dependent Claims (6, 7, 8, 9, 10, 11)
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12. A method for fabricating an analyte sensor configured to be wholly implanted in a host'"'"'s soft tissue, the method comprising:
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providing a sensor configured to measure an analyte in the host, wherein the sensor has an architecture with at least one dimension less than about 1 mm; and coating a biointerface onto the sensor, the biointerface comprising a plurality of cavities and a solid portion. - View Dependent Claims (13, 14, 15, 16, 17)
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18. A method for making an analyte sensor configured for insertion into a host'"'"'s soft tissue, the method comprising:
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providing a sensor configured to measure an analyte in a host, wherein the sensor has an architecture with at least one dimension less than about 1 mm; and directly writing a porous biointerface, wherein the porous biointerface is written based on a predefined pattern stored in a computer system. - View Dependent Claims (19, 20, 21)
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Specification