Analyte sensor with double-sided electrical connection

The analyte sensor with a double-sided electrical connection addresses the issue of brittle fracture and crosstalk by combining prefabricated substrates and placing larger PADs on opposite sides, enhancing detection reliability and fault tolerance.

WO2025060033A1 Publication Date: 2025-03-27MEDTRUM TECH
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Patent Information

Application Number
PCT/CN2023/120600
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 a double-sided electrical connection, where the substrates are prefabricated and combined into a whole by pasting, avoids insulation failures and allows for larger PADs on opposite sides of the in vitro part, enhancing fault tolerance and detection reliability.

Benefits of technology

This solution effectively prevents brittle fracture and crosstalk, improving the reliability and fault tolerance of the sensor by utilizing both sides of the substrate for PAD placement and increasing the contact area with analytes.

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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, the PADs (4111, 4211, 4311) are respectively located on the opposite side of the in vitro parts; wherein, at least two layers of substrate (411) are combined into a whole by pasting after prefabrication.
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