Integrated Analyte Sensor and Introducer Assembly
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Solution Overview
Problem
Existing analyte monitoring systems require a separate deployment mechanism with a sharp needle that needs careful handling and disposal, and there is a need for accurate and secure sensor positioning to minimize data errors during continuous monitoring.
Innovation Solution
An integrated analyte sensor and data processing unit with a flexible base layer and a dome-shaped spring-biased sensor introducer mechanism that positions the sensor under the skin and retains the introducer until the base layer is removed, eliminating the need for separate handling and providing a low-profile on-body component for comfort.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a separate sensor inserter with a sharp needle is used to insert the sensor through the skin, then the sensor can be positioned in fluid contact with the patient's analyte fluids, but the inserter requires careful handling and disposal to avoid damaging other parts of the patient's skin and creates safety hazards
Solution Approach 1:
The patent combines the sensor inserter mechanism with the sensor itself, integrating the sharp needle and sensor into a single unit. This merging eliminates the need for separate handling of the inserter, reducing safety hazards while maintaining accurate sensor positioning through the integrated design
Solution Approach 2:
The sensor is pre-loaded into the inserter mechanism before use, with the sharp needle already positioned to guide the sensor through the skin. This preliminary preparation ensures accurate positioning while minimizing the time the sharp needle is exposed and requires careful handling
2Reliability
If multiple separate components (sensor, inserter, transmitter) are used in the analyte monitoring system, then each component can be optimized for its specific function, but the number of components and steps required for proper sensor insertion and retention increases
Solution Approach 1:
The patent merges the sensor, inserter mechanism, and retention features into an integrated assembly. The sensor is pre-loaded with the inserter, and the base layer with adhesive is designed to retain both the sensor and introducer assembly, reducing the number of separate components while maintaining functional optimization
Solution Approach 2:
The base layer serves multiple functions: it provides adhesive retention for the sensor and introducer assembly, supports the sensor during insertion, and maintains the sensor in proper position during the monitoring period. This multi-functionality reduces the need for separate retention mechanisms
3Loss of time
If the sensor and introducer are used as separate components, then the introducer can be discarded after insertion, but the patient must handle and dispose of the sharp inserter which requires particular precautions
Solution Approach 1:
By integrating the sensor with the introducer assembly, the patent creates a single unit that is inserted together and retained together. This eliminates the need for separate handling and disposal of the sharp inserter, as the entire assembly remains on the base layer under the skin
Solution Approach 2:
The base layer with adhesive acts as an intermediary that retains both the sensor and introducer assembly together. This intermediary mechanism allows the sharp inserter to be discarded as part of the sealed base layer package, eliminating the need for separate handling precautions
Data Source
AI summary
Method and apparatus for integrated sensor and data processing assembly is provided.