What are the structural characteristics of medical puncture needles?

Rf puncture needle, RF trocar is disposable sterile product, used together with RF temperature control thermal coagulator. Puncture for radiofrequency thermocoagulation of nerve and muscle tissues. Take out rf puncture needle RF trocar under sterile condition. Before use, ensure that the length and diameter of the surgical electrode are suitable for the length of the rf trocar. You can refer to the nominal specifications and sizes of the RF temperature control thermal coagulator manufacturer's instructions. If uncertain, please take out the lining core of the rf thermal coagulation electrode trocar from the needle and insert the electrode into the needle for verification. At this point, if the tip of the electrode just comes out of the needle tube and is in the middle of the bevel of the needle tube end, and the electrode is not obviously loose, then the visual electricity is very suitable. Make sure that the lining core fits properly with the needle. Percutaneous puncture is performed using an RF thermocoagulation trocar until the tip of the needle reaches the target position. Gently remove the liner from the syringe and insert the surgical electrode.

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