High frequency tungsten needle electric knife is a medical surgical instrument, which may be composed of a tungsten needle rod, a tungsten needle tip, a non-slip groove and a mounting hole. For example, some researchers have proposed such an anti-shedding tungsten needle electric knife. And it is reported that such an electric knife can meet the needs of safe surgery.
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According to the experts, the high frequency tungsten needle electric knife has a non-slip groove and a mounting hole on the tungsten needle. After the tungsten needle is inserted into the mounting hole, the inner wall of the mounting hole at the position of the non-slip groove is pressed into the non-slip groove by external force, making it an integrated structure. Because the inner wall of the mounting groove is pressed into the non-slip groove of the mounting part of the tungsten needle by external force, the tungsten needle rod and the tungsten needle tip are integrated, so it is not easy to fall off.
