Disposable needle for biopsy on soft tissue with manual guillotine system. The needle has ergonomic handle and internal hollow mandrel designed for atraumatic removal and precise small piece. The cannula tip was biopsy, and centimeters and has sliding stopper for determining the insertion depth. The cannula is cleaned with ultrasound and perfectly smudged electrowinning. The needle is also equipped with a depth stop to carry out biopsies of lesions that require penetration of less than 2 cm.