Real-Time Action-Capture Link for Closed-Loop Tissue Stimulation
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Solution Overview
Problem
Existing medical treatment methods for body-condition-dependent stimulation lack real-time communication between action and capture modules, leading to unreliable and unsafe stimulation due to delays and interference, particularly in systems using transcranial magnetic stimulation and electroencephalography.
Innovation Solution
A system with a capture module and action module connected via a real-time capable EtherCAT bus for immediate communication, ensuring artifact-free and interference-free stimulation by filtering out interference signals and allowing quick feedback loops for targeted neuromodulation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If a commercially available bus system is used to connect action and capture modules, then device complexity is reduced, but real-time communication capability and reliability deteriorate
Solution Approach 1:
The patent replaces conventional commercial bus systems with a custom real-time communication system using EtherCAT protocol. This substitution enables deterministic real-time data transmission between action and capture modules, eliminating the reliability issues of standard Ethernet-based communication while maintaining system modularity and ease of integration through standardized interfaces.
2Measurement precision
If immediate measurement is performed to correlate stimulus response, then measurement precision is improved, but device complexity and communication requirements worsen
Solution Approach 1:
The patent implements a closed-loop feedback system where bio-signals captured by the capture module are immediately processed and fed back to the action module. This enables real-time adjustment of stimulation parameters based on actual physiological responses, achieving precise stimulus-response correlation while the EtherCAT bus manages the communication complexity through its deterministic real-time capabilities.
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 reliable and safe body-condition-dependent stimulation by ensuring real-time communication and feedback, allowing for precise and timely adjustments based on bio signals, improving the accuracy and effectiveness of neuromodulation techniques.
Implementation Method 1
a capture module (3) for deriving (measuring) bio data or bio signals
Implementation Method 2
an action module (2) for stimulating tissue
Implementation Method 3
the two modules communicate via a communication link (5) that meets hard or at least firm real-time requirements
Data Source
AI summary
The invention relates to a system for body-condition-dependent stimulation by means of function modules, e.g. an action module (2, D/A module) for stimulating tissue and a capture module (3, A/D module) for deriving/measuring bio data or bio signals, characterized in that the two modules communicate via a communication link (5) that meets hard or at least firm real-time requirements. The communication link (5) preferably comprises a real-time-capable bus to which the two modules are connected, above all an EtherCAT bus.