Modular Electrode System with Flexible Connectors for ERP Detection
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Solution Overview
Problem
Existing electrode systems for testing Evoked Response Potentials (ERPs) lack a modular and comfortable design that allows for flexible arrangement and secure attachment of electrode modules to a headset, limiting their effectiveness in detecting neurological signals.
Innovation Solution
A headset system with removably coupled electrode modules secured by resilient straps and snap fittings, featuring flexible connectors and a control box for signal processing, which includes active sensing circuitry and removable sensors with electrolytic hydrogel for comfortable and effective signal detection.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If electrode systems use fixed non-modular design, then structural stability is improved, but adaptability and flexibility are worsened
Solution Approach 1:
The electrode system is divided into modular electrode modules that can be independently attached and removed from the headset. Each module contains discrete components (electrode, connector, housing) that can be separately manufactured and assembled, enabling flexible configuration while maintaining structural integrity through standardized coupling mechanisms.
2Reliability
If electrode systems use secure attachment mechanisms, then reliability of signal detection is improved, but comfort and ease of removal are worsened
Solution Approach 1:
The attachment mechanism transitions from permanent fixation to dynamic removable coupling. Snap fittings and resilient straps provide secure attachment during use while allowing quick removal when needed. The system adapts its state between securely fixed and easily removable based on operational requirements.
3Measurement precision
If electrode systems use complex signal processing circuitry, then measurement precision is improved, but device complexity is worsened
Solution Approach 1:
Flexible connectors serve as intermediaries between the electrode modules and the control box. These connectors transmit electrical signals while isolating the complexity of signal processing circuitry within the control box, allowing precise measurements without increasing the apparent complexity of individual electrode components.
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 provides a modular and comfortable means to detect ERPs, allowing for flexible electrode arrangements and secure attachment, enhancing the accuracy and comfort of neurological signal detection.
Implementation Method 1
removable sensors with electrolytic hydrogel for comfortable and effective signal detection
Data Source
AI summary
An electrode system comprises electrode modules, flexible connectors, and sensors. Each electrode module defines a substantially central opening and has circuitry that includes an amplifier. A conductive ring is exposed in the opening of each electrode module. The flexible connectors include flexible circuitry coupled with the circuitry of the electrode modules. Each sensor includes an electrolytic hydrogel portion that is configured to contact a test subject and outwardly extending tabs that are in communication with the hydrogel portion. The tabs are configured to contact the conductive ring of an electrode module with the sensor is inserted in the opening of the electrode module. The system may thus sense evoked response potentials (ERPs) from the test subject through the electrolytic hydrogel portions, amplify those potentials, and communicate the amplified potentials through the circuitry of the flexible connectors. A control box may initiate ERP testing and store the test results.