Segmented Ultrapolar Electrosurgery Blade for Cutting and Coagulation
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Solution Overview
Problem
Existing electrosurgery tools require switching between cutting and coagulation modes, leading to inefficiencies and potential tissue damage, especially in monopolar systems, and the need for simultaneous cutting and coagulation capabilities is unmet in bipolar and argon beam coagulation methods.
Innovation Solution
The ultrapolar electrosurgery blade uses monopolar energy in a bipolar mode with separate conductive and non-conductive edges for precise cutting and coagulation, and incorporates argon beam capability for non-contact coagulation, allowing simultaneous cutting and coagulation without mode switching.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If monopolar electrosurgery is used for cutting tissue, then cutting capability is achieved, but excessive heat is generated causing tissue damage and necrosis
Solution Approach 1:
The electrosurgery blade is segmented into two separate conductive members (first and second conductive members) positioned in vertical alignment and spaced apart. This segmentation allows the system to function in bipolar mode where current flows between the two members through the tissue, confining the electrical pathway and reducing lateral heat spread that causes tissue damage.
Solution Approach 2:
The conductive members are selectively coated with non-conductive material at specific locations (cutting edges) while leaving other portions exposed. This local quality differentiation allows the coated portions to prevent unwanted current diversion and the exposed portions to provide sharp cutting edges, simultaneously achieving precise cutting with minimized tissue damage.
2Adaptability or versatility
If electrosurgery tools switch between cutting and coagulation modes, then specialized functions are achieved, but surgical efficiency is reduced and tissue damage risk increases
Solution Approach 1:
The electrosurgery blade is designed to perform multiple functions simultaneously using bipolar energy. The first and second conductive members can work together for cutting, for coagulation, or for enhanced cutting with coagulation, eliminating the need to switch between separate monopolar cutting and coagulation instruments. This multi-functionality improves surgical efficiency while maintaining specialized capabilities.
3Power
If monopolar energy is used in traditional mode, then cutting power is achieved, but current diversion risks occur
Solution Approach 1:
The conductive members are coated with non-conductive material at specific locations to control current flow paths. This selective coating prevents current diversion to surrounding tissues by directing the electrical current through the intended pathway between the first and second conductive members, thereby maintaining reliability while preserving cutting power.
4Object-affected harmful factors
If bipolar mode is used with conventional electrodes, then tissue confinement is achieved, but simultaneous cutting and coagulation capability is lost
Solution Approach 1:
The blade is segmented into two separate conductive members with distinct functions. One member can be optimized for cutting (with sharp exposed edge) while the other provides a larger surface area for coagulation. This segmentation enables simultaneous cutting and coagulation within the bipolar configuration, maintaining tissue confinement while achieving versatile functionality.
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
Enhances surgical efficiency and accuracy by enabling simultaneous cutting and coagulation, reducing tissue damage and eliminating current diversion risks, while providing multiple coagulation methods as needed.
Implementation Method 1
one of the top and bottom thin elongated conductive members functions as an active electrode while the other thin elongated conductive member functions as a return electrode
Implementation Method 2
a non-conductive coating covering both opposing sides of the top and bottom thin elongated conductive members and the space located between the top and bottom thin elongated conductive members
Implementation Method 3
capable of cutting tissue with the sharp conductive cutting ends of the blade without using RF energy
Data Source
AI summary
An ultrapolar electrosurgery blade and an ultrapolar electrosurgery blade assembly and method for making same. The ultrapolar electrosurgery blade includes top and bottom thin elongated conductive members in vertical alignment and spaced apart from one another along their lengths where each of the top and bottom thin elongated conductive members includes opposing planar sides, a sharp cutting end, and an opposite non-cutting end, and a non-conductive coating or housing covering both opposing sides of the top and bottom thin elongated conductive members and the space located between them where the cutting ends of the elongated conductive members and their opposite non-cutting ends remain exposed. The ultrapolar electrosurgery blade assembly of the present invention having argon beam capability further includes a non-conductive tube member having a hollow tubular shaped opening with a slot where the slot is positioned over the top of the ultrapolar electrosurgery blade.