Bone marrow biopsy needle core can be used to biopsy various organ and be equipped with various needles for a variety of soft tissue biopsies, such as liver, kidney, mammary glands, spleen, lungs or lymph nodes. Small and light weight designing, for easy handling.Two available puncture depths, 10mm(location”1″) and 18mm(location”2″), provide convenient clinical choice.The external needle could be took down, then equipped with the core needle portable for convenient orientation and multiple sampling.