Ceramic RF Plasma Electrode Structure to Prevent Head Breakdown
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Solution Overview
Problem
Existing RF plasma surgical electrodes suffer from insulation errors and breakdown risks due to component displacement during assembly or use, leading to reduced safety and a short service life.
Innovation Solution
The electrode design features an integrally formed ceramic head with an electrode wire enclosed within, a negative electrode tube insulated from the electrode plate, and an outer insulation layer, along with a ceramic insulating shell, to enhance insulation and prevent breakdowns.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple components are assembled in the electrode head, then the electrode structure can be more complex and functional, but the risk of component displacement and insulation error increases
Solution Approach 1:
The patent integrates multiple components (electrode wire, insulating shell, negative electrode tube) into a unified electrode head structure where the insulating shell is formed as an integral part of the ceramic head. This merging eliminates the need for separate assembly of these components, preventing displacement and insulation errors while maintaining the complex functional structure.
Solution Approach 2:
The patent employs a nested structure where the electrode wire is enclosed within the insulating shell, which is itself integrated into the ceramic head. The negative electrode tube is positioned within the electrode head but isolated by the insulating shell. This nesting ensures proper positioning and insulation without requiring additional assembly steps.
2Volume of moving object
If the electrode wire and negative electrode tube are closely positioned, then the electrode size can be reduced, but the risk of breakdown due to insulation failure increases
Solution Approach 1:
The patent introduces an insulating shell as an intermediary component between the electrode wire and the negative electrode tube. This insulating shell is formed as an integral part of the ceramic head and provides reliable electrical isolation, preventing breakdown even when the electrode components are closely positioned, thus allowing compact electrode design without compromising safety.
3Ease of manufacture
If traditional insulating materials are used in the electrode head, then the manufacturing process is simpler, but the insulation performance and service life are insufficient
Solution Approach 1:
The patent utilizes ceramic material for the electrode head, which provides superior insulation performance, heat resistance, and mechanical strength compared to traditional insulating materials. The ceramic head is formed as an integral structure that incorporates the insulating shell, maintaining manufacturing feasibility while dramatically improving electrode service life and reliability in the high-temperature plasma environment.
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 design significantly improves insulation performance and safety, preventing electrode breakdowns and extending the electrode's service life by ensuring secure component integration and reliable electrical isolation.
Implementation Method 1
the negative electrode tube is inserted into the ceramic head and insulated from the electrode plate
Implementation Method 2
The plasma sheath includes a large number of charged particles. After being accelerated by the electric field, the charged particles generate sufficient energy and have strong oxidizing properties, breaking molecular bonds that make up the target tissue cells
Implementation Method 3
After being accelerated by the electric field, the charged particles generate sufficient energy
Data Source
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AI summary
The present utility model relates to the technical field of medical appliances, and in particular to an anti-breakdown radiofrequency (RF) plasma surgical electrode. The anti-breakdown RF plasma surgical electrode includes a cutter head and a cutter shank, where the cutter head includes a ceramic head, an electrode plate, and an electrode wire; the ceramic head is integrally formed, and includes a suction tube connection hole, a suction through hole, an electrode wire clamping hole, and a mounting groove; the suction tube connection hole is communicated with the suction through hole; an opening of the suction through hole and an opening of the electrode wire clamping hole penetrate through a front end surface of the ceramic head; the front end surface of the ceramic head is provided with the electrode plate; the electrode wire passes through the electrode wire clamping hole and is conductively connected to the electrode plate; and the cutter shank is insulated from the electrode plate. In the present utility model, the electrode wire of the electrode is completely arranged inside the integrally formed ceramic head, and a negative electrode tube is inserted into the ceramic head and completely isolated from the electrode wire and the electrode plate. Therefore, the present utility model avoids the possibility of electrode head breakdown caused to the existing surgical electrode by component displacement during the assembly of a plurality of components or during use, greatly improving the insulation performance of the electrode and the safety of surgery.