Motorized Sealed Medication Crusher for Direct Enteral Transfer
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Solution Overview
Problem
Existing medication crushing systems for enteral administration suffer from issues such as airborne particulate exposure, medication loss, underdosing, clogging of enteral tubes, cross-contamination, and labor-intensive manual effort, compromising safety and efficiency in healthcare settings.
Innovation Solution
A sealed, motorized medication crushing and delivery system with a crusher assembly, motor-driven mechanism, and direct enteral tube connection, ensuring containment, uniform pulverization, and precise dosing without intermediate transfers.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If manual medication crushing methods are used, then the device complexity is low, but airborne particulate exposure and cross-contamination risks increase
Solution Approach 1:
The crushing device is divided into separate functional components: a crushing chamber for pulverization, a sealed containment structure, and a discharge mechanism. This segmentation allows the harmful particulate generation to be isolated within the crushing chamber while the sealed structure prevents its release, resolving the contradiction between functionality and harm prevention.
Solution Approach 2:
A sealed containment chamber acts as an intermediary between the crushing mechanism and the external environment. This intermediary structure captures airborne particulates generated during crushing and prevents their dispersion, thereby eliminating harmful effects without requiring complex external containment systems.
2Loss of substance
If traditional crushing devices are used, then the device complexity is low, but medication loss and underdosing occur
Solution Approach 1:
The crushing chamber, mixing chamber, and discharge mechanism are merged into a single integrated sealed system. This eliminates the need for multiple transfers between separate containers, preventing medication loss through adhesion to container walls and reducing underdosing risks. The integration maintains simplicity while solving the medication loss problem.
Solution Approach 2:
The sealed system enables continuous processing from crushing through mixing to discharge without interruption or transfer. This continuity ensures that all pulverized medication is captured and delivered, eliminating the discontinuities in traditional methods where medication adheres to surfaces during transfer operations.
3Productivity
If manual crushing methods are used, then the device complexity is low, but labor intensity and time consumption increase
Solution Approach 1:
The device incorporates a motorized crushing mechanism that automatically pulverizes medication without requiring manual grinding effort. The system performs the crushing action itself through powered blades or impactors, dramatically reducing labor intensity while maintaining a relatively simple overall device structure.
Solution Approach 2:
Manual mechanical crushing effort is replaced with an electric motor-driven crushing mechanism. This substitution eliminates the need for caregivers to exert physical force for extended periods, significantly improving productivity while the motorized system remains compact and simple in design.
4Object-affected harmful factors
If non-uniform particle size is produced, then the device complexity is low, but enteral tube clogging occurs
Solution Approach 1:
The crushing mechanism is designed with specifically configured crushing elements (blades, impactors, or grinders) that create uniformly fine particles suitable for enteral administration. The local design of the crushing zone ensures consistent particle size reduction, preventing clogging without requiring complex post-crushing processing systems.
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 prevents airborne particulate exposure, reduces medication loss, ensures uniform particle size, and enhances safety and efficiency by minimizing manual effort and cross-contamination, making it suitable for clinical and home healthcare environments.
Implementation Method 1
a motor assembly configured to engage with the crusher assembly and provide rotational power for the crushing mechanism
Implementation Method 2
The crusher body, lid, and base together form a sealed containment system, preventing the release of airborne particulates during the crushing process
Data Source
AI summary
In the present invention, a sealed medication crushing and delivery system for enteral administration is disclosed. The system includes a crusher assembly with a lid, syringe-connectable inlet, enteral tube-connectable discharge outlet, sealed crushing chamber, and motor-driven crushing mechanism. A motor assembly provides controlled rotational power, ensuring efficient pulverization of solid medications into fine particles for enteral delivery. The sealed system prevents airborne particulate release, reducing medication loss and contamination risks. A fluid coupling system allows liquid introduction while maintaining a closed environment, ensuring complete dissolution and uniform mixing. A safety interlock mechanism prevents accidental activation by ensuring proper system engagement. The discharge outlet directly connects to an enteral syringe or tube, eliminating manual transfers. An embodiment includes a manually operable plunger for precise medication expulsion. The system may also feature a vented lid, LED status indicator, and filtering mechanism, ensuring safe and efficient medication preparation.