A tissue ablation system according to an embodiment of the present invention includes a tissue ablation device having a resection part having a resectable structure of a human tissue and an optical signal transfer module installed to be movable back and forth along the length direction of the resection part, A light source for providing an optical signal to the transmission module; and an optical interference optical system for receiving the optical signal reflected from the human body tissue from the optical signal transmission module, A video output unit for outputting a video signal; Wherein the optical signal transmission module provides optical signals reflected from the human tissue to the optical interference optical system while moving back and forth along the longitudinal direction while irradiating the human tissue with an optical signal from the light source, Scanning; Wherein the optical interference optical system generates the optical imaging signal by interfering with an optical signal provided according to line scanning of the optical signal transmission module; And the image calculation unit images the inside of the human body tissue using the optical image signal.
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