... CERTIFICATE FULL Automatic disposable Biopsy needle Soft Tissue Biopsy Needle, Trucut Soft Tissue Biopsy NeedleCaution:1, This product is ... video guide percutaneously puncture into a substantive organ or tissue, excising tissue samples, apply to various organ or tissues biopsy, ... a "click" sound indicating the cannula advanced and the tissue has been cut, completing the biopsy process. Press again ...