Bendable RF Plasma Electrode With Dual Cutting and Hemostasis
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Solution Overview
Problem
Existing plasma surgical electrodes face challenges in navigating complex anatomical structures and adjusting energy output for optimal surgical results, particularly in areas obstructed by bones or difficult to reach, limiting surgical efficiency and safety.
Innovation Solution
A radiofrequency (RF) plasma surgical electrode with a dual-mode design featuring a first working electrode for small-area strong cutting and a second working electrode for large-area cutting and hemostasis, combined with a bendable element and loop electrode, allowing for precise adjustment and integration of suction and hemostasis functions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If a single surgical mode is used, then the device structure is simple, but the surgical efficiency is low due to inability to adapt to different trauma intensity requirements
Solution Approach 1:
The surgical electrode is designed with multiple working electrodes (first working electrode, second working electrode, third working electrode) that can be selectively activated to provide different surgical modes (small-area strong cutting, large-area cutting and hemostasis). This multi-functional design allows a single device to perform multiple surgical tasks, improving surgical efficiency without requiring multiple separate instruments
Solution Approach 2:
The electrode structure is divided into multiple independent working electrodes, each with specific functions. The first working electrode is configured for small-area strong cutting, the second working electrode for large-area cutting and hemostasis, and the third working electrode for additional surgical modes. This segmentation allows selective activation of specific electrodes based on surgical requirements, optimizing performance for different trauma intensities
2Adaptability or versatility
If traditional plasma surgical electrodes are used, then the device structure is simple, but the ability to navigate complex anatomical structures is limited
Solution Approach 1:
The surgical electrode incorporates a bendable element that allows the distal cutter head to be flexed and positioned at different angles. This dynamic capability enables the electrode to navigate complex anatomical structures and reach difficult-to-access surgical sites, improving adaptability to various anatomical configurations while maintaining a relatively simple overall device structure
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 precision and efficiency by enabling flexible operation in complex cavities, reducing the need for instrument changes, and improving safety through precise positioning and effective tissue removal.
Implementation Method 1
the RF plasma system generates a plasma sheath at the first working electrode to achieve a small-area strong cutting operation
Implementation Method 2
The operating mechanism of the low-temperature plasma system is based on the advanced electrosurgical technology, which achieves precise surgical intervention with the assistance of physiological saline by precisely regulating the plasma energy transmission process
Data Source
AI summary
A radiofrequency (RF) plasma surgical electrode includes a cable assembly, a proximal handle, a cutter shank and a distal cutter head that are connected in sequence, where the distal cutter head is internally provided with a first working electrode, a second working electrode and a bendable element; the bendable element and the cutter shank form a loop electrode; an RF plasma system, the first working electrode and the loop electrode form a first discharge loop to achieve a small-area strong cutting operation; and the RF plasma system, the second working electrode and the loop electrode form a second discharge loop to achieve a large-area cutting and hemostasis operation. The RF plasma surgical electrode integrates multiple cutting functions and an innovative suck-while-coagulate function, significantly improving surgical efficiency, safety, and operational convenience, providing a more advanced and reliable tool for surgical operations.