Barium tungsten electrodes are primarily used in high-precision electrosurgical equipment in the medical field, valued for their excellent conductivity, high-temperature resistance, and chemical stability. Below is an overview of their main application scenarios:
1. Electrosurgical Procedures:
Barium tungsten electrodes are widely utilized in electrosurgical micro-cutting devices (e.g., radiofrequency micro-cutters). By connecting the electrosurgical pen to the electrosurgical unit, they enable precise dissection and cutting of soft tissues. Featuring a 3 mm tungsten active needle tip (with a practical length of 20-170 mm), these electrodes significantly reduce intraoperative bleeding, shorten surgical duration, and promote rapid wound healing. Applicable fields include:
Cosmetic surgery (e.g., delicate facial contouring)
Plastic surgery (e.g., tissue repair)
Maxillofacial surgery (e.g., jaw correction)
Minimally invasive neurosurgery (e.g., brain tissue dissection)
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ENT (ear, nose, and throat) surgery (e.g., sinus procedures)
2. Optimized Welding Performance:
Barium tungsten electrodes, enhanced by the addition of rare earth oxides (e.g., cerium oxide, lanthanum oxide, or zirconium oxide) to the tungsten matrix, exhibit improved electron work function, leading to superior arc initiation, arc stability, and resistance to burn-off. These properties make them ideal for high-precision welding in medical device manufacturing, such as TIG (tungsten inert gas) welding processes used to produce precision medical instruments or surgical tools, ensuring high reliability of the equipment.
3. Other Potential Applications:
Tungsten-based materials, known for their high melting point, corrosion resistance, and mechanical strength, are often used in alloy components for medical devices. For instance, the material properties of barium tungsten electrodes offer potential applications in high-precision imaging equipment (e.g., X-ray devices) or the production of implantable medical devices. Furthermore, tungsten-based materials in micro-sensors or electrical stimulation devices open new possibilities for barium tungsten electrodes, particularly in neuromodulation and cardiovascular treatment fields.
