The invention relates to a biopsate holding device for a biopsy cannula to perform transcutaneous biopsies, in particular of hard tissue and bone marrow tissue, by means of a wire that can be inserted into the proximal end of a biopsy cannula and can be pushed in between the inner wall of the biopsy...http://www.google.de/patents/US20060052721?utm_source=gb-gplus-sharePatent US20060052721 - Biopsy holder for a biopsy cannula