Exogenous Neurostimulation Burst Waveform Delivery
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Solution Overview
Problem
Implantable neurostimulation systems require invasive procedures for implantation, which is undesirable, and existing non-invasive systems like TENS are limited in treating chronic pain effectively due to tonic pulse delivery and habituation issues.
Innovation Solution
An exogenous neurostimulation system with a plurality of electrodes applied to the skin and a pulse generator capable of generating burst waveforms, providing non-invasive therapy similar to implanted systems without the need for invasive procedures.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If implantable neurostimulation systems are used, then effective pain therapy is achieved, but invasive procedures are required
Solution Approach 1:
The patent uses the skin and subcutaneous tissue as an intermediary medium to transmit neural signals from externally applied electrodes to deeper neural structures. This mediator approach allows non-invasive electrodes to achieve effects similar to implanted electrodes by utilizing the body's own tissues as signal pathways.
Solution Approach 2:
The patent replaces the mechanical implantation system with an external application system. Instead of surgically implanting electrodes into the body, the system uses externally applied electrodes that deliver electrical signals through the skin, substituting a non-invasive mechanical approach for the invasive surgical approach.
2Ease of operation
If traditional TENS systems are used, then non-invasive operation is achieved, but habituation and unwanted sensations occur
Solution Approach 1:
The patent employs periodic burst waveforms consisting of multiple pulses delivered in sequences with inter-burst intervals. This periodic action pattern prevents habituation by varying the stimulation delivery, allowing neural adaptation to occur between bursts while maintaining therapeutic effect during active stimulation periods.
Solution Approach 2:
The patent utilizes complex burst waveforms with variable parameters including pulse amplitude, pulse width, frequency, and burst duration. By dynamically changing these electrical parameters, the system maintains therapeutic effectiveness and prevents habituation that occurs with fixed-parameter traditional TENS systems.
3Device complexity
If simple tonic pulses are delivered, then device complexity is reduced, but habituation and unwanted sensations increase
Solution Approach 1:
The patent implements periodic burst waveforms that alternate between active stimulation phases and inter-burst intervals. This temporal structuring of simple tonic pulses into periodic bursts achieves complex therapeutic effects without requiring complex waveform generation, maintaining device simplicity while improving effectiveness.
Solution Approach 2:
The patent maintains continuous therapeutic effect through overlapping bursts and appropriate inter-burst intervals that prevent complete neural adaptation. The continuous delivery of periodic bursts ensures sustained pain relief without the habituation that occurs with simple continuous or simple intermittent stimulation.
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
Delivers effective pain therapy with reduced habituation and unwanted sensations, targeting superficial nerves with complex waveforms, offering superior pain management compared to traditional TENS systems.
Implementation Method 1
a pulse generator communicatively coupled to the electrode pad, the pulse generator operable to generate burst waveforms for delivery to the skin of the patient via the electrode pad
Data Source
AI summary
The present disclosure provides systems and methods for exogenous neurostimulation. An exogenous neurostimulation system includes an electrode pad comprising a plurality of electrodes configured to be applied to skin of a patient, and a pulse generator communicatively coupled to the electrode pad, the pulse generator operable to generate burst waveforms for delivery to the skin of the patient via the electrode pad.