Radiotranslucent EEG Cap for Concurrent Imaging
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Solution Overview
Problem
Existing EEG monitoring systems are cumbersome and time-consuming to set up, especially in emergency situations like strokes, where rapid monitoring is critical but traditional setups require trained staff and extensive time.
Innovation Solution
A signal acquisition cap with a soft support structure and clip-on electrode units made of radiotranslucent materials, allowing for quick setup and integration with a computer system that generates real-time EEG features and brain health indicia, while being radiotranslucent to avoid obstructing radiographic imaging.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional EEG monitoring systems are used, then reliable brain activity detection is achieved, but setup time is excessive and requires trained staff
Solution Approach 1:
The EEG system is segmented into modular components: a flexible cap with integrated electrodes, pre-positioned sensors, and separate processing units. This segmentation allows for rapid assembly and deployment by non-specialists while maintaining detection reliability through standardized interfaces and pre-configured electrode positions.
Solution Approach 2:
Electrodes and sensors are pre-positioned on the flexible cap during manufacturing, with conductive pathways and contact points predetermined. This preliminary action eliminates the need for complex on-site electrode placement and calibration, reducing setup time while ensuring consistent, reliable brain activity detection.
2Measurement precision
If traditional EEG electrodes are used, then adequate signal acquisition is achieved, but radiographic imaging is obstructed
Solution Approach 1:
The electrode design implements local quality differentiation: electrode contacts and signal acquisition regions use conductive materials for optimal EEG signal detection, while the cap body and surrounding structures use radiotranslucent materials. This localized material selection ensures measurement precision at electrode sites while eliminating radiographic obstruction in imaging regions.
Solution Approach 2:
The EEG cap employs composite materials combining radiotranslucent polymers or ceramics for the cap structure with conductive materials for electrode contacts. This composite construction allows simultaneous achievement of adequate EEG signal acquisition through conductive elements and unobstructed radiographic imaging through radiotranslucent structural materials.
3Productivity
If comprehensive EEG monitoring is implemented, then real-time brain activity visualization is achieved, but system complexity increases
Solution Approach 1:
The EEG system is designed with multi-functional capabilities: the same flexible cap and electrode array serve both EEG signal acquisition and radiographic imaging compatibility, while integrated processing units handle signal amplification, filtering, and real-time visualization. This universality reduces overall system complexity by eliminating separate dedicated components for each function.
Solution Approach 2:
Multiple system functions are merged into integrated units: signal acquisition, amplification, filtering, and visualization processing are combined in a unified processing system. The flexible cap itself serves as both structural support and electrode carrier. This merging reduces the number of separate components and simplifies system operation while maintaining real-time monitoring productivity.
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
Enables rapid and effective EEG monitoring in emergency situations, reducing setup time and allowing for real-time visual guidance of brain activity during surgeries, thereby improving patient outcomes and reducing healthcare costs.
Implementation Method 1
The electrode cap may be effectively radiotranslucent in a radiographic image
Implementation Method 2
an electroencephalogram (EEG) is a noninvasive tool that records the electrical activity of the brain
Data Source
AI summary
Apparatus and associated methods relate to assisting gait impaired patients. In an illustrative example, a gait assisting apparatus may be wearable by a user including a sensor module and an actuator. The sensor module may be configured to generate a sensor measurement from measured data associated with the user. For example, a controller operably coupled to the sensor module may include a local classification model configured to classify a gait situation based on a classification input received from the sensor module. In some implementations, an activation module of the controller may generate an activation level to control the actuator. In operation, the activation module may apply the local classification model to the classification input to determine the activation level of the actuator to generate a vibration gait assistance and/or illumination guidance. Various embodiments may advantageously provide a gait assistant function to prevent gait impairment injuries.