Detecting and positioning device for tumor structures in subcutaneous tissue

A detecting and positioning device for tumor structures in a subcutaneous tissue is disclosed. The device has a bag body with an inlet. One side of the bag body having a cover set. The bag body is filled with liquid; and the inlet is sealed by high frequency supersonic sticking way. In operation, hands of a user inserts into the cover set for operating the bag body. The cover set is formed by a cambered cover set and two cambered cover units. The cambered cover set has a plurality of sub-cambered cover units. Moreover, in another application of the present invention, the cover set has only one chamber with an opening, thereby, one hand of the user inserts into the cover set from the opening.