Smart Blister Card Sensor System for Medication Adherence
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Solution Overview
Problem
Medication noncompliance, particularly with oral contraceptive pills (OCP), leads to significant health and financial issues due to poor adherence, resulting in unintended pregnancies and increased healthcare costs.
Innovation Solution
A smart packaging system that tracks adherence to drug regimens using connected blister cards with sensors to monitor tablet dispensing events, alerting users and caregivers of non-compliance, and providing reminders and guidance through a mobile app.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If manual tracking of medication intake is used, then device complexity is low, but medication adherence is poor
Solution Approach 1:
The packaging system automatically monitors and tracks medication dispensing events without requiring user intervention. Sensors detect when tablets are removed from the blister card and automatically record the data, eliminating the need for manual tracking while maintaining simplicity for the end user.
Solution Approach 2:
The patent replaces manual mechanical tracking with electronic sensing technology. Capacitive or optical sensors automatically detect tablet dispensing events, substituting human memory and manual recording with automated electronic monitoring systems.
2Reliability
If automated sensor tracking is implemented, then medication adherence is improved, but device complexity increases
Solution Approach 1:
The packaging system is divided into independent sensor units, each monitoring specific blister compartments. This segmentation allows the system to scale complexity only where needed while keeping other portions simple, and enables modular manufacturing and maintenance.
Solution Approach 2:
The sensor system performs multiple functions: detecting tablet dispensing, tracking adherence patterns, triggering alerts, and providing user feedback. This multi-functionality consolidates what would otherwise require separate systems into a single integrated solution, reducing overall complexity.
3Reliability
If real-time monitoring and alerts are provided, then medication adherence is improved, but loss of time for system setup and configuration increases
Solution Approach 1:
The system is pre-configured during manufacturing with sensor positions, alert thresholds, and communication protocols already established. This preliminary setup eliminates the need for complex configuration by end users, reducing setup time while maintaining full monitoring capabilities.
Solution Approach 2:
The system automatically configures itself upon first use by detecting the blister card layout and sensor positions, then sets appropriate monitoring parameters without user intervention. This self-configuration capability eliminates manual setup time while providing personalized monitoring.
Data Source
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AI summary
A method and apparatus for monitoring drug-regimen compliance is disclosed. Systems in accordance with the present invention enable automatic monitoring of the state of medicine content of a blister card. Each tablet location on the blister card is operatively coupled with a different sensor that detects whether the tablet location is occupied and/or a dispensing event at a tablet location. In some embodiments, capacitive sensing is employed, where the capacitance of each sensor is based on the physical state of a dispensing region of the lidding film of the blister pack, which is located at the tablet location being monitored. Alternative sensing approaches are based on optical, acoustic, and tactile sensors that interrogate either the dispensing region at each tablet location or the tablets themselves to determine whether tablets have been dispensed. The sensors interface with a mobile app that provides the user instructions to help improve drug-regimen compliance.