Implantable analyte sensor
First Claim
Patent Images
1. An insertable analyte needle sensor, comprising:
- (a) a set of fine wires positioned together; and
(b) dielectric material covering a substantial portion of said fine wires but defining an opening filled with at least one partially permeable membrane.
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Abstract
An insertable analyte needle sensor, comprising a set of fine wires positioned together and a dielectric material covering a substantial portion of the fine wires but defining an opening filled with at least one partially permeable membrane. The wires may be treated with a gas plasma to facilitate membrane adherence. One membrane layer may comprise sulphonated polyethersulphone coated with silane.
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Citations
19 Claims
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1. An insertable analyte needle sensor, comprising:
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(a) a set of fine wires positioned together; and
(b) dielectric material covering a substantial portion of said fine wires but defining an opening filled with at least one partially permeable membrane. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A method of producing an analyte sensor, comprising the steps of:
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(a) providing a conductive wire, having an exposed surface;
(b) gas plasma treating said exposed surface of said conductive wire to remove oxidation; and
(c) applying a SPES membrane over said exposed surface of said conductive prior to any reformation of a layer of oxidation. - View Dependent Claims (11, 12, 13, 14, 16, 17, 18, 19)
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15. A method of producing an analyte sensor, comprising the steps of:
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(a) providing a conductive wire, having at least one exposed surface;
(b) applying at least one layer of sulphonated polyethersulphone (SPES) over said at least one exposed surface; and
(c) coating the SPES with a solution of silane.
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Specification