Analyte sensor with multi substrates

By combining prefabricated substrates into a whole using an analyte sensor with multiple substrates, the issues of brittle fracture and signal interference are addressed, resulting in improved detection reliability and accuracy.

WO2025060034A1 Publication Date: 2025-03-27MEDTRUM TECH
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Patent Information

Application Number
PCT/CN2023/120603
Authority / Receiving Office
WO · WO
Patent Type
Applications
Current Assignee / Owner
Filing Date
2023-09-22
Publication Date
2025-03-27

AI Technical Summary

Technical Problem

Existing analyte sensors face issues with brittle fracture due to insufficient curing of substrate materials, leading to insulation failures, crosstalk between electrical signals, and noise in detection signals, which compromises the reliability of sensor detection.

Method used

The development of an analyte sensor with multiple substrates, where each substrate is prefabricated and then combined into a whole by pasting, avoids the insulation failures and crosstalk issues associated with brittle substrates, thereby enhancing detection reliability.

Benefits of technology

This approach improves the detection reliability of the sensor by preventing brittle fracture, reducing signal interference, and enhancing the stability of the detection signal, ultimately leading to more accurate and reliable analyte monitoring.

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Abstract

An analyte sensor (41) comprises: at least one layer of substrate (411), the substrate (411) comprising an in vivo part and an in vitro part; at least two electrodes (4131, 4231, 4331) arranged on the surface of the in vivo part for penetrating into the subcutaneous to obtain analyte parameter information; and at least two PADs (4111, 4211, 4311) arranged on the surface of the in vitro part and electrically connected with the corresponding electrodes (4131, 4231, 4331) through wires (4121, 4221, 4321); wherein, at least two layers of substrate (411) are combined into a whole by pasting after prefabrication.
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