Indication: Bone marrow punctures under MRI control with specially developed LOCK WIRE technology for the 100 % secure safeguarding of the biopsy specimen inside the cannula. Advantages include MR compatible system with specially developed LOCK WIRE technology, Light penetration of the cortical bone through a tapered Tip with extremely sharp diamond cut (trocar), Optimal pressure and absolutely secure handling thanks to an ergonomically shaped handle and a cannula made of cobalt-chrome alloy, Vacuum-assisted biopsy specimen extraction by means of Luer Lock adapter for syringe connection, Avoidance of blood loss from the proximal end of the syringe through a second closure cap, Function for measuring the size of the biopsy specimen, Simplified handling through LOCK WIRE technology, 100 % safeguarding of the biopsy specimen inside the cannula, Maximal protection of the specimen material, and Minimal discomfort and strain for the patient.