Patent ID: 7850620
Filing Date: 2010-12-14
Classification: A61B

Abstract:
1. A method of obtaining a bone marrow specimen from a bone marrow cavity disposed within a bone comprising: engaging one end of a drive shaft extending from a powered driver with one end of a coupler assembly by inserting the drive shaft into an opening formed in the one end of coupler assembly to releasably engage the drive shaft with an omega-shaped latch without rotation of the coupler assembly and drive shaft; releasably engaging one end of a biopsy needle set to an opposite end of the coupler assembly by inserting the one end of the biopsy needle set into an opening formed in the opposite end of the coupler assembly; rotating the powered driver and coupler assembly in one direction at a relatively constant speed while inserting another end of the biopsy needle through the bone and into adjacent bone marrow; and obtaining a bone marrow specimen using the biopsy needle set.