Nerve Protecting Dissection Device with Real-Time Feedback
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Solution Overview
Problem
Current energy-based dissection devices and nerve monitoring systems do not effectively integrate to prevent nerve damage during surgery, as they lack real-time communication and control mechanisms to ensure safe operation, leading to potential human error and unintended nerve damage.
Innovation Solution
A system that connects energy-based dissection devices with nerve integrity monitoring technology, allowing for real-time communication and control to adjust or shut off energy delivery based on nerve integrity readings, providing a graphical display of nerve location and size to prevent damage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If energy-based dissection devices are used for surgical cutting, then dissection efficiency and speed are improved, but the risk of nerve damage increases due to lack of real-time nerve monitoring integration
Solution Approach 1:
The system continuously monitors nerve integrity through electrical stimulation and EMG signals, providing real-time feedback to the energy-based dissection device. When nerve damage is detected, the system automatically adjusts or shuts off energy delivery, creating a closed-loop safety mechanism that maintains high dissection efficiency while preventing nerve damage through active feedback control
Solution Approach 2:
A nerve monitoring system acts as an intermediary between the energy-based dissection device and the nerve tissue. This intermediary system includes electrical stimulation electrodes and EMG sensors that detect nerve status, serving as a buffer that alerts the operator or automatically intervenes when nerve damage is imminent, thus protecting nerves while allowing efficient dissection to continue
2Object-affected harmful factors
If real-time nerve monitoring is integrated with energy-based dissection devices, then nerve damage is prevented, but device complexity increases
Solution Approach 1:
The nerve monitoring system is merged with the energy-based dissection device into a single integrated unit. The monitoring components, including electrical stimulation electrodes and EMG sensors, are combined with the dissection device housing and control electronics, allowing real-time nerve monitoring and automatic safety shutdown functionality without requiring separate complex external systems
Solution Approach 2:
The integrated device performs multiple functions within a single system: it provides energy-based dissection cutting, electrical nerve stimulation for monitoring, EMG signal detection, and automatic safety control. This multi-functional design consolidates what would otherwise be separate devices into one unified instrument, reducing overall system complexity while maintaining comprehensive nerve protection capabilities
3Reliability
If automatic safety shutdown is implemented based on nerve monitoring, then human error is reduced, but reaction time requirements are eliminated which may lead to over-restriction of surgical freedom
Solution Approach 1:
The system provides continuous real-time feedback to the operator through visual or audible alerts when nerve damage is detected, allowing the surgeon to maintain control and adjust the dissection process as needed. This feedback mechanism enhances safety by alerting the operator to potential nerve damage while preserving surgical freedom, as the operator can choose to continue, modify, or stop the procedure based on the feedback and surgical judgment
Solution Approach 2:
The system automatically monitors nerve integrity and activates safety shutdown without requiring constant operator intervention. The automatic monitoring and response to nerve damage creates a self-regulating system that protects nerves while allowing the operator to maintain surgical freedom through manual override capabilities, balancing automated safety with operator control
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 integration reduces human error and reaction time issues, ensuring safe and accurate dissection by automatically adjusting or shutting off energy delivery when nerve integrity is compromised, thereby minimizing the risk of nerve damage during surgical procedures.
Implementation Method 1
A stimulator is configured to generate an electrical stimulus to be applied to the first aspect of the bone
Implementation Method 2
A monitor is configured to electrically monitor a muscle myotome associated with the spinal nerve to detect if an onset neuro-muscular response occurs
Implementation Method 3
The HARMONIC ACE® shears employ an adaptive tissue technology enabling the generator to actively monitor the instrument during use, allowing the system to respond intelligently to varying tissue conditions. Electrical energy is converted to mechanical energy.
Data Source
AI summary
The present invention provides an energy based dissection device that automatically provides a nerve protection function. Specifically, the present invention operatively connects nerve monitoring technology and energy based dissection technology to provide a device that provides energy based dissection functionality that cannot operate, or operates differently, upon receipt of real time information from the nerve monitoring functionality that nerve damage may be imminent in the absence of such safety shutdown. The present invention also creates a real-time graphical display of the nerve, including size and location relative to the energy based dissection device to enable the operator to safely and accurately avoid damaging the nerve. Accordingly, the present invention provides a surgical device that removes human error and reaction time issues which prevent unintended dissection and concomitant nerve damage.