Monopolar Electrosurgery Blade with Argon Beam Capability
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current electrosurgery tools require surgeons to switch between cutting and coagulation modes during surgery, leading to inefficiencies, tissue damage, and smoke inhalation risks, as they cannot perform both functions simultaneously.
Innovation Solution
A monopolar electrosurgery blade with a non-conductive planar member and a conductive layer adjacent to a sharp cutting edge, capable of functioning at low power levels, combined with an electrosurgery blade assembly that includes a non-conductive tube for inert gas supply to create an ionized gas for simultaneous cutting and coagulation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If traditional electrosurgery tools are used for cutting, then cutting function is achieved, but lateral tissue damage and necrosis increase due to heat generation
Solution Approach 1:
The electrosurgery blade is segmented into distinct functional zones: a sharp non-conductive cutting edge for mechanical cutting, and separate conductive regions for coagulation. This segmentation allows the cutting edge to operate without RF energy, eliminating heat-related lateral tissue damage, while coagulation is performed by the conductive portions when RF energy is applied.
Solution Approach 2:
Different portions of the blade have different properties: the cutting edge is non-conductive and sharp for clean cutting, while specific regions have conductive coatings for coagulation. This local differentiation of properties allows simultaneous optimization of cutting precision and coagulation capability without compromising either function.
2Adaptability or versatility
If surgeons switch between cutting and coagulation modes during surgery, then both functions can be performed, but surgical efficiency decreases and time is lost
Solution Approach 1:
The electrosurgery blade is designed as a universal tool that integrates both cutting and coagulation functions in a single instrument. The blade features a sharp non-conductive edge for cutting and conductive regions for coagulation, allowing surgeons to perform both functions without switching between separate tools, thereby improving surgical efficiency and continuity.
Solution Approach 2:
The cutting edge and coagulation electrodes are merged into a single blade structure. The non-conductive planar member with sharp cutting edge is combined with conductive layers or coatings on the same blade body, creating an integrated tool that can seamlessly transition between cutting and coagulation modes during surgical procedures.
3Ease of manufacture
If argon beam coagulation is used, then coagulation function is achieved, but smoke production increases causing inhalation risks
Solution Approach 1:
The patent extracts the gas flow component from the coagulation process. By providing gas flow across the conductive portion of the blade during RF-powered coagulation, smoke and debris are actively removed from the surgical site, reducing inhalation risks while maintaining effective coagulation function.
4Speed
If high power RF energy is used for cutting, then cutting speed increases, but tissue vaporization and lateral damage increase
Solution Approach 1:
The blade is segmented into a non-conductive sharp cutting edge that operates mechanically without RF energy, and separate conductive regions for coagulation. This allows cutting to be performed at high speed with minimal heat generation, eliminating tissue vaporization and lateral damage associated with high-power RF cutting.
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 accurate simultaneous tissue cutting and coagulation with reduced tissue damage and smoke production, improving surgical efficiency and safety by eliminating the need to switch between modes.
Implementation Method 1
an inert gas supplied through the hollow tubular shaped opening will come in contact with at least a portion of the conductive layer of the electrosurgery blade thereby creating an ionized gas
Implementation Method 2
When the electrosurgery pencil is activated, the RF energy circulates from the active electrode to the return electrode through the patient's body
Implementation Method 3
a non-conductive planar member having opposite planar sides with a bottom angled sharp cutting edge
Implementation Method 4
For cutting, heat generated from continuous RF high voltage conduction can create a vapor pocket
Data Source
AI summary
Electrosurgery blades including electrosurgery blade assemblies having argon beam capability. The electrosurgery blade includes a non-conductive planar member having opposite planar sides with a bottom angled sharp cutting edge, and a conductive layer located on one or both of the opposing planar sides of the non-conductive planar member where the conductive layer lies adjacent to the angled sharp cutting edge of the non-conductive planar member without covering the angled sharp cutting edge. In embodiments of the electrosurgery blade assemblies having argon beam capability, the electrosurgery blade assembly includes a non-conductive tube member having a hollow tubular shaped opening and a slot where at least a portion of the conductive layer of the electrosurgery blade is positioned within the slot of the non-conductive tube member.