Electrosurgical Tool Monopolar Bipolar Mode Switching
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Solution Overview
Problem
Current electro-surgical systems lack the ability to seamlessly switch between monopolar and bipolar modes without requiring tool removal or additional components, limiting their versatility and efficiency in surgical procedures.
Innovation Solution
A modular electro-surgical system with a surgical mechanical arm that includes a motor unit and actuators, allowing for operation in both monopolar and bipolar modes, with a tool configuration that includes a monopolar tip and bipolar surfaces that can be brought into contact to apply electrical charge, enabling efficient switching between modes without tool removal.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a single electrosurgical tool is designed to support both monopolar and bipolar modes, then versatility and efficiency are improved, but device complexity increases due to the need for multiple electrodes and switching mechanisms
Solution Approach 1:
The electrosurgical tool is designed with a universal structure that supports both monopolar and bipolar modes of operation. The tool includes a first electrode and a second electrode that can function in different configurations: in monopolar mode, the first electrode serves as the active electrode while the second electrode remains inactive; in bipolar mode, both electrodes serve as active electrodes. This multi-functional design allows a single tool to replace what would traditionally require separate monopolar and bipolar tools, improving versatility without requiring multiple distinct devices.
Solution Approach 2:
The electrosurgical tool incorporates dynamic switching capability that allows transition between monopolar and bipolar modes during surgical procedures. The system includes switching circuitry and control mechanisms that enable the operator to change the operational mode by selectively activating or deactivating electrodes. This dynamic reconfiguration allows the tool to adapt its electrical circuit configuration in real-time, providing flexibility and reducing the need for tool removal or replacement during surgery.
2Device complexity
If separate monopolar and bipolar tools are used, then device complexity is reduced, but loss of time increases due to tool removal and replacement
Solution Approach 1:
The electrosurgical tool is designed with a universal structure that supports both monopolar and bipolar modes of operation. The tool includes a first electrode and a second electrode that can function in different configurations: in monopolar mode, the first electrode serves as the active electrode while the second electrode remains inactive; in bipolar mode, both electrodes serve as active electrodes. This multi-functional design allows a single tool to replace what would traditionally require separate monopolar and bipolar tools, improving versatility without requiring multiple distinct devices.
Solution Approach 2:
The electrosurgical tool enables continuous surgical action by eliminating the need to remove or replace tools when switching between monopolar and bipolar modes. The dynamic switching capability allows the operator to transition between modes while the tool remains in place, maintaining continuity of the surgical procedure. This avoids the time loss associated with withdrawing, replacing, or reconfiguring separate tools, thereby improving surgical efficiency and workflow.
3Adaptability or versatility
If additional switching mechanisms are added to enable mode switching, then adaptability is improved, but device complexity and potential harmful factors increase
Solution Approach 1:
The electrosurgical tool incorporates an insulating element positioned between the first electrode and the second electrode. This insulating element acts as an intermediary that prevents unintended electrical coupling between the electrodes when they are in close proximity. By providing this physical and electrical isolation, the insulating element ensures that when the tool is configured for monopolar mode with the first electrode active, the second electrode remains electrically isolated and does not create unintended current paths. This mediator component enhances safety while enabling the adaptability of mode switching.
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 efficient and versatile surgical procedures by allowing seamless switching between monopolar and bipolar modes, improving surgical precision and reducing the need for multiple tools, while maintaining electrical isolation and safety.
Implementation Method 1
a first elongated element electrically coupled to at least a part of said first tool portion which is electrically isolated from said second tool portion
Implementation Method 2
a second elongated element electrically coupled to at least a part of said first tool portion and mechanically coupled to and configured to actuate one or both of said tool portions
Implementation Method 3
bipolar surfaces that can be brought into contact to apply electrical charge
Data Source
AI summary
A surgical mechanical arm comprising: an electrosurgical tool comprising: a first tool portion comprising a first surface; a second tool portion comprising a second surface, where said tool portions are mechanically coupled and configured to move relative to each other to change a separation between said first and second surfaces; a first elongated element electrically coupled to at least a part of said first tool portion which is electrically isolated from said second tool portion; and a second elongated element electrically coupled to at least a part of said first tool portion and mechanically coupled to and configured to actuate one or both of said tool portions to change said separation between said first and second surfaces.