DEVICE FOR ASPIRATING BONE MARROW AND BONE BIOPSY IN A SINGLE INTERVENTION WITH A HOLLOW STYLUS AND THREE-STAGE MECHANISM.

摘要

Presented is a device for aspirating bone marrow liquid and bone biopsy in a single intervention with a hollow stylus and three-stage mechanism, which replaces specialized and exclusive needles for the obtention of bone marrow and exclusive needles for bone biopsy. The device comprises a stylus assembly, a cannula, a lock, a joint, a connector, a barrel and a handle, which allow a liquid sample of bone marrow to be taken as well as a solid sample from the bone without puncturing the patient with two needles, thus reducing the trauma for the patient and the work for the physician.