In open surgery preparation, dissection and hemostasis are easy to perform compared with endoscopic surgery. In open surgery, the surgeon is able to use a variety of instruments and methods. In endoscopic surgery, scalpels cannot be used and the freedom of manipulation of instruments such as scissors and forceps is limited. Hence, endoscopic surgery depends on the availability of special methods, instruments, and equipments for different endoscopic operations. High-frequency surgery offers different methods and instruments for preparation, dissection, and hemostasis for endoscopic interventions.
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