Cervical Impedance Neural Modulation Timing Control
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Solution Overview
Problem
Current neural stimulation therapies for conditions like heart failure and hypertension lack precise timing and modulation based on real-time physiological parameters, leading to suboptimal treatment outcomes.
Innovation Solution
An implantable apparatus that uses cervical impedance measurements to determine pulsatile information, allowing for the identification of optimal timing and adjustment of neural modulation therapy parameters to coordinate with natural physiological cycles, thereby enhancing the effectiveness of neural stimulation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If neural stimulation therapy is provided without real-time physiological parameter guidance, then the therapy delivery system is simpler and more reliable, but the timing precision and treatment effectiveness deteriorate
Solution Approach 1:
The system continuously monitors cervical impedance as a physiological parameter and uses this feedback to dynamically adjust neural stimulation timing. The impedance sensor detects changes in the cervical region, and the controller synchronizes therapy delivery with these physiological cycles, achieving precise timing without requiring complex external monitoring equipment.
Solution Approach 2:
The system uses the patient's own physiological signals (cervical impedance) to automatically control the therapy timing. The body's natural impedance variations serve as the timing reference, eliminating the need for external physiological monitors or complex synchronization systems while achieving precise, adaptive therapy delivery.
2Adaptability or versatility
If neural modulation therapy is not coordinated with physiological cycles, then the device operation is simpler, but the adaptability to individual patient rhythms deteriorates
Solution Approach 1:
The system automatically detects and synchronizes with the patient's natural physiological cycles through continuous cervical impedance monitoring. The controller adapts therapy timing to match individual patient rhythms without requiring manual programming or complex user input, maintaining ease of operation while achieving high adaptability.
Solution Approach 2:
The therapy delivery system dynamically adjusts timing parameters based on real-time cervical impedance changes. The controller continuously adapts the neural stimulation schedule to match the patient's evolving physiological state, enabling the system to handle individual variations in rhythm and responsiveness automatically.
3Reliability
If continuous neural stimulation is provided without physiological synchronization, then the therapy delivery is more reliable and simpler, but the treatment effectiveness and responsiveness deteriorate
Solution Approach 1:
The system delivers neural stimulation in a periodic manner synchronized with the patient's physiological cycles rather than continuously. The controller identifies periodic impedance variations corresponding to physiological rhythms and times therapy delivery to coincide with these natural cycles, enhancing treatment effectiveness while maintaining reliable delivery through rhythmic coordination.
Solution Approach 2:
The system uses real-time cervical impedance feedback to dynamically control therapy delivery timing. This feedback mechanism ensures that stimulation is provided at optimal moments within physiological cycles, improving treatment effectiveness while maintaining reliability through adaptive synchronization rather than continuous operation.
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
This approach enables more precise and responsive neural modulation therapies, improving patient outcomes by aligning treatment with natural physiological rhythms, potentially leading to better management of heart failure and hypertension.
Implementation Method 1
The detector circuit can be configured to use the electrical test signal to detect cervical impedance or to generate a cervical impedance signal representing fluctuations in the detected cervical impedance over time
Data Source
AI summary
An implantable apparatus can comprise an electrical test energy delivery circuit configured to provide an electrical test signal to a cervical location in a patient body. A detector circuit can use the electrical test signal to detect cervical impedance and generate a cervical impedance signal representing fluctuations in the detected cervical impedance. The implantable apparatus can comprise a therapy delivery circuit, such as configured to provide electrical neural modulation therapy using a neural modulation timing parameter, and a processor circuit that can be coupled to the electrical test energy delivery circuit, the detector circuit, and the therapy delivery circuit. The processor circuit can be configured to determine a pulsatile signal or pulse pressure signal, such as using the cervical impedance signal, identify a characteristic of the pulsatile signal or pulse pressure signal, and control a neural modulation therapy using the timing parameter and the identified pulse pressure signal characteristic.