Reversible Peripheral Nerve Conduction Block via Chemical Agent
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Solution Overview
Problem
Current methods for modulating neural activity in peripheral neural structures lack the ability to reversibly block conduction in a controlled manner, particularly in response to specific activity states, leading to undesired effects such as numbness, discomfort, or interference with autonomic functions.
Innovation Solution
A method and system that utilize a chemical blocking agent to produce a reversible conduction block in peripheral neural structures during a first activity state, and reverse the block during a second activity state, using a signal processing system to control the delivery of the agent and potentially a reversing stimulus to counteract the block, allowing for controlled modulation of neural activity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a chemical blocking agent is applied to block nerve conduction, then neural activity modulation is achieved, but numbness and discomfort occur as harmful effects
Solution Approach 1:
The patent applies periodic action by delivering the chemical blocking agent in pulsed intervals rather than continuously. The agent is delivered during periods when neural block is desired and withheld when block is not needed, allowing nerve function to recover between pulses. This periodic delivery pattern reduces cumulative harmful effects like numbness and discomfort while maintaining effective neural activity modulation during treatment periods.
Solution Approach 2:
The patent implements discarding and recovering by allowing the chemical blocking agent to be eliminated from the system between delivery pulses. The reversible nature of the block enables nerve function to recover naturally once the agent concentration decreases, discarding the harmful blocking effect while preserving the therapeutic benefit during active treatment periods.
2Reliability
If a chemical blocking agent is used to block conduction, then neural modulation is achieved, but autonomic functions may be interfered with
Solution Approach 1:
The patent applies local quality by targeting the chemical blocking agent to specific peripheral neural structures rather than applying it systemically. By localizing the agent delivery to the specific nerve or neural structure requiring modulation, the treatment achieves effective neural modulation at the target site while minimizing exposure to and interference with other neural pathways that control autonomic functions.
Solution Approach 2:
The periodic delivery pattern allows autonomic functions to proceed normally during intervals when the blocking agent is not present in sufficient concentrations. This intermittent approach prevents continuous interference with autonomic neural pathways while maintaining therapeutic effectiveness during active treatment windows.
3Adaptability or versatility
If reversible conduction block is produced, then controlled modulation is achieved, but the system complexity increases
Solution Approach 1:
The patent applies self-service by utilizing the inherent reversible properties of the chemical blocking agent and the natural recovery processes of the nervous system. The system leverages the agent's pharmacokinetic profile and the nerve's natural ability to recover function, reducing the need for complex external control mechanisms while achieving controlled and reversible modulation through the agent's intrinsic characteristics.
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 desired effects like modulation of immune or inflammatory responses while minimizing inconvenience and discomfort by synchronizing blocking stimuli with activity states, thus providing a controlled and reversible neural conduction block.
Implementation Method 1
producing a reversible conduction block in a peripheral neural structure of a subject with a chemical blocking agent
Data Source
AI summary
Methods and related systems for modulating neural activity by cyclical blocking of conduction in peripheral neural structures are disclosed. Neural activity may blocked cyclically by blocking stimuli delivered via various types of blocking stimulus sources. In an aspect, a conduction block is produced in a sensory nerve. Neural modulation may be used, for example, to modulate an undesired sensation, such as pain, or an immune or inflammatory response or process. Delivery of blocking stimuli may be controlled in part in response to an input from a user input device.