On-Body Analyte Sensor Applicator for Low-Pain Reliable Insertion
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Solution Overview
Problem
Existing in vivo analyte monitoring systems face challenges in ease of use, reliability, and user inconvenience during sensor insertion, as well as pain minimization for diabetes management.
Innovation Solution
The development of an applicator system that includes a sensor assembly, electronics assembly, and an insertion sharp, designed for easy assembly and insertion of a sensor beneath the skin, with features like alignment indicators, sterile packaging, and compatible sterilization methods to ensure reliability and minimize user discomfort.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If conventional in vitro blood glucose monitoring methods are used, then measurement capability is provided, but user convenience and comfort deteriorate due to invasive blood sampling procedures
Solution Approach 1:
The patent introduces an intermediary device (the sensor system with applicator) that mediates between the user and the glucose monitoring process. Instead of direct blood sampling, the system uses an interstitial fluid sensor that is inserted via a controlled applicator mechanism, transforming the direct invasive procedure into an indirect, less painful measurement process while maintaining monitoring capability
Solution Approach 2:
The patent replaces the manual mechanical blood sampling process with an automated applicator system that uses controlled mechanical insertion followed by wireless or wired data transmission. The applicator mechanism substitutes the manual lancet insertion and blood collection process with a more precise, less painful insertion method that automatically positions the sensor
2Reliability
If in vivo sensor insertion is implemented, then continuous monitoring capability is improved, but device complexity and assembly difficulty increase
Solution Approach 1:
The patent divides the monitoring system into distinct modular segments: the sensor assembly, the applicator mechanism, and the electronics/component assembly. Each segment can be manufactured, tested, and assembled separately, reducing overall device complexity while enabling continuous monitoring through the integrated sensor component that remains implanted after applicator removal
Solution Approach 2:
The patent incorporates preliminary assembly features where the sensor is pre-loaded into the applicator in a controlled environment, and the applicator is pre-configured with insertion guides and positioning features. This preliminary preparation simplifies the actual insertion procedure and reduces assembly complexity during the critical implantation moment
3Ease of operation
If user-friendly packaging and loading systems are developed, then ease of use is improved, but manufacturing and packaging complexity increase
Solution Approach 1:
The patent merges the packaging function with the loading function by designing a packaging system that automatically loads the sensor into the applicator during the packaging process. This integration eliminates separate packaging and loading steps, making the system easier to use while the automated nature of the combined process manages manufacturing complexity through standardization
Data Source
AI summary
Devices associated with on-body analyte sensor units are disclosed. These devices include any of packaging and/or loading systems, applicators and elements of the on-body sensor units themselves. Also, various approaches to connecting electrochemical analyte sensors to and/or within associated on-body analyte sensor units are disclosed. The connector approaches variously involve the use of unique sensor and ancillary element arrangements to facilitate assembly of separate electronics assemblies and sensor elements that are kept apart until the end user brings them together.