Sharps Disposal Container with Door Position Sensing
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Solution Overview
Problem
Despite advanced safety features, medical sharps disposal containers continue to pose hazards due to overfilling, leading to injuries as healthcare workers and non-professionals are not always aware when a container is full, causing obstruction of safety mechanisms and potential exposure to sharp objects.
Innovation Solution
A sensing system integrated with the sharps disposal container that detects the position of the door and generates an alarm signal when the container is full, providing auditory and visual warnings to indicate when the container needs to be changed, using proximity elements and sensing units to ensure timely intervention.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional sharps disposal containers are used without sensing systems, then the device complexity is low, but the reliability is poor due to overfilling hazards and lack of full status indication
Solution Approach 1:
The patent replaces mechanical full-status indication methods (such as visual indicators on doors or manual checking) with an electronic sensing system that uses sensors to detect door position and container full status. This substitution provides more reliable and automated detection while reducing the need for complex mechanical indicator mechanisms.
Solution Approach 2:
The sensing system provides feedback about the container's full status to users through alarms or indicators. This feedback mechanism ensures that users are aware when the container is full and needs replacement, preventing overfilling hazards and improving safety without requiring complex manual monitoring systems.
2Reliability
If automatic mechanical full indication is implemented, then the reliability improves, but the device complexity increases due to additional sensing and alarm mechanisms
Solution Approach 1:
The sensing system automatically detects the container's full status and generates alarms without requiring manual intervention or complex user-operated mechanisms. The system serves itself by autonomously monitoring its own state and providing warnings, which improves reliability while keeping the operational complexity manageable.
3Object-affected harmful factors
If the container door is designed to prevent complete access to the interior, then the safety against sharp exposure improves, but the ease of operation deteriorates due to restricted access for disposal
Solution Approach 1:
The door mechanism is segmented into multiple positions: an open position for easy disposal access, a closed position for safety protection, and intermediate positions that allow controlled access. This segmentation enables the door to provide both ease of operation during disposal and safety protection during storage, resolving the contradiction between accessibility and safety.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The system effectively alerts personnel to the full status of the container, preventing injuries by ensuring that overfilled containers are emptied before reuse, thereby enhancing safety in healthcare environments.
Implementation Method 1
A sensing system integrated with the sharps disposal container that detects the position of the door and generates an alarm signal when the container is full
Data Source
AI summary
A disposal system including a container having a door movable between a first position and a second position for introducing material to be disposed into the container, and a sensing system operatively associated with the container to sense the position of the door and to generate an alarm signal in response to a predetermined position of the door.


