Integrated Cannula and Sensor Insertion for Single-Site Infusion
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Solution Overview
Problem
Existing medical systems require separate insertion sites for insulin delivery and glucose monitoring, leading to inconvenience and increased discomfort for users.
Innovation Solution
An infusion device that integrates a cannula for insulin delivery and a sensor for glucose monitoring, allowing concurrent implantation and secure engagement of both components, with a mechanism for simultaneous insertion and withdrawal to minimize discomfort and reduce the need for multiple insertion sites.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If separate insertion sites are used for insulin delivery and glucose monitoring, then each function can be performed reliably, but user discomfort increases and convenience decreases
Solution Approach 1:
The patent combines the insulin infusion device and glucose sensor into a single integrated system that uses one insertion site for both functions. The infusion pump and sensor are merged into one device that simultaneously delivers insulin and monitors glucose levels through a single subcutaneous insertion, eliminating the need for separate insertion sites while maintaining functional reliability of both insulin delivery and glucose monitoring
2Reliability
If multiple insertion sites are used, then functional reliability is maintained, but the number of insertion procedures increases
Solution Approach 1:
The integrated device performs both insulin infusion and glucose sensing through a single insertion procedure. The device includes an infusion pump with a cannula for insulin delivery and a glucose sensor that are both inserted simultaneously at one site, reducing the total insertion time and procedural steps compared to using separate devices
3Reliability
If separate devices are used for insulin delivery and glucose monitoring, then each device can be optimized for its specific function, but device complexity increases
Solution Approach 1:
The patent integrates the infusion pump, cannula, and glucose sensor into a single device system. This merger reduces the overall number of separate components and connections needed, simplifying the system architecture while maintaining the functional optimization of both insulin delivery and glucose monitoring through shared housing and coordinated operation
Solution Approach 2:
The integrated device performs multiple functions including insulin infusion, glucose sensing, and data processing within a single system. The device includes a pump for insulin delivery, a sensor for glucose measurement, and processing circuitry that combines these functions, allowing one device to replace multiple specialized devices and reduce system complexity
Data Source
AI summary
An infusion device configured to implant a cannula and a sensor in a user. The infusion device includes a first unit defining a first housing and a second unit defining a second housing. The second housing is configured to engage the first housing. The infusion device includes a first insertion needle configured to implant the cannula in the user and a second insertion needle configured to implant the sensor in the user when the second unit engages the first unit. The infusion device includes processing circuitry in electrical communication with the sensor and a fluid reservoir in fluid communication with the cannula. In examples, the first unit and the second unit are configured to engage using an inserter.