METHOD OF MAKING AN ELECTROCHEMICAL SENSOR
First Claim
1. A method of manufacturing one or more small volume in vitro sensors for the determination of the presence and/or level of glucose in a sample, the sensor comprising:
- positioning a substrate in opposition to a fluid ejection printer;
ejecting conductive material from the fluid ejection printer onto the substrate to form a pattern on the substrate, the pattern corresponding to the production one or more sensors; and
cutting, if the pattern corresponds to two or more sensors, the substrate to produce two or more in vitro glucose sensors, each configured to determine the presence and/or level of glucose in a volume sample of about 1 microliter or less.
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Abstract
A process for the manufacture of small sensors with reproducible surfaces, including electrochemical sensors. One process includes forming channels in the surface of a substrate and disposing a conductive material in the channels to form an electrode. The conductive material can also be formed on the substrate by other impact and non-impact methods. In a preferred embodiment, the method includes cutting the substrate to form a sensor having a connector portion and a transcutaneous portion, the two portions having edges that define one continuous straight line.
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Citations
15 Claims
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1. A method of manufacturing one or more small volume in vitro sensors for the determination of the presence and/or level of glucose in a sample, the sensor comprising:
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positioning a substrate in opposition to a fluid ejection printer; ejecting conductive material from the fluid ejection printer onto the substrate to form a pattern on the substrate, the pattern corresponding to the production one or more sensors; and cutting, if the pattern corresponds to two or more sensors, the substrate to produce two or more in vitro glucose sensors, each configured to determine the presence and/or level of glucose in a volume sample of about 1 microliter or less. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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Specification