Mobile Locking Element for Electrostimulation Device Safety
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Solution Overview
Problem
Elastomeric composites for damping applications face challenges in maintaining consistent performance across varying temperatures and frequencies due to the limitations of current filler materials.
Innovation Solution
Incorporating hybrid fillers such as carbon nanotubes and microballoons into the elastomeric matrix to enhance thermal stability and frequency response, while also improving mechanical properties.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a housing comprises both a charger plug and stimulation plugs simultaneously available, then the device can be charged and used for stimulation, but the user may be directly linked to mains voltage through faulty chargers causing mortal hazard
Solution Approach 1:
The patent implements a mobile locking element that dynamically changes the state of plug availability. The locking element can be in different positions to either lock the charger plug or lock the stimulation plugs, creating a dynamic safety mechanism that prevents simultaneous availability and eliminates the electrical shock hazard while maintaining device versatility when needed
2Reliability
If a single plug operates alternately as charger or stimulation plug, then safety is improved, but the solution is not suited to housings with multiple stimulation plugs and the dual-function plug is complicated to produce
Solution Approach 1:
The patent divides the safety function into separate dedicated plugs (charger plug and stimulation plugs) rather than using a single dual-function plug. The mobile locking element segments the availability control, allowing each plug type to have its own dedicated interface while the locking mechanism provides the safety function. This reduces design complexity compared to creating a single plug that must perform multiple functions
3Ease of operation
If connectors can be inserted into both charger and stimulation plugs simultaneously, then ease of operation is improved, but the risk of direct mains linkage and cardiac fibrillation increases
Solution Approach 1:
The patent applies preliminary anti-action by using the mobile locking element to prevent the harmful state before it can occur. The locking element is positioned to lock either the charger plug or stimulation plugs in advance, preventing the scenario where both are simultaneously available. This preliminary prevention eliminates the risk of cardiac fibrillation while allowing ease of operation when the device is in its intended safe state
Data Source
AI summary
A housing for an electrostimulation device comprising a charger plug and a stimulation plug, designed to receive respectively a connector linked to a charger and a connector linked to a stimulation electrode, characterized in that it comprises a mobile locking element designed to alternately lock the charger plug or the stimulation plug.