Monopolar Return Pad Electrode for Patient Position Detection
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Solution Overview
Problem
Current surgical systems lack effective means to determine patient position and situational awareness, which is crucial for precise control of electrosurgical instruments and energy delivery during procedures, leading to potential inefficiencies and safety risks.
Innovation Solution
A surgical system that includes a monopolar return pad and a surgical hub communicatively coupled to it, allowing the hub to determine patient position and adjust power supplied to electrosurgical instruments based on situational awareness, ensuring optimal energy delivery and safety.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If the surgical system uses traditional electrosurgical instruments without situational awareness, then the device complexity is low, but the measurement precision of patient position and contact is insufficient
Solution Approach 1:
The monopolar return pad electrode is designed to perform multiple functions: it serves as both the return path for electrosurgical current and as a sensing element for detecting patient position and contact. The control circuit processes both therapeutic and sensing signals through the same electrode, eliminating the need for separate sensing devices and reducing overall system complexity while enabling precise patient position detection.
2Reliability
If the surgical system lacks situational awareness of electrosurgical instruments, then the device complexity is low, but the reliability of energy delivery control is insufficient
Solution Approach 1:
The control circuit continuously monitors the electrical characteristics of the monopolar return pad electrode and provides feedback to adjust the electrosurgical energy delivery. This feedback mechanism enables real-time control of power supplied to electrosurgical instruments based on detected patient position and contact, ensuring reliable and safe energy delivery while maintaining manageable system complexity through integrated control.
3Object-affected harmful factors
If the surgical system does not monitor patient position, then the ease of operation is high, but the safety during electrosurgical procedures is compromised
Solution Approach 1:
The monopolar return pad electrode performs self-diagnosis by monitoring its own electrical characteristics to detect patient position and contact status. This self-service capability provides safety monitoring without requiring additional external sensing devices or complex monitoring systems, thereby improving surgical safety while keeping the monitoring system complexity low.
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
The system enhances precision and safety by accurately determining patient position and adjusting power to electrosurgical instruments, maintaining peak applied power and preventing nerve detection issues, thus improving surgical outcomes.
Implementation Method 1
determine a presence and a position of a patient on the monopolar return pad according to data received from the monopolar return pad
Implementation Method 2
modulate a nerve detection waveform and/or power supplied by the generator to the electrosurgical instrument based on situational awareness
Data Source
AI summary
A surgical system is disclosed. The surgical system includes a monopolar return pad and a surgical hub wirelessly coupled to the monopolar return pad. The surgical hub includes a control circuit configured to determined a presence and a position of a patient on the monopolar return pad according to data received from the monopolar return pad.