Patent ID: 8876826

Claim:
An apparatus for penetrating a bone marrow comprising: a housing; a penetrator assembly having a removable inner trocar including a cutting tip and an outer penetrator, the removable inner trocar and the outer penetrator configured to penetrate the bone marrow; a connector configured to releasably attach the penetrator assembly to a drill shaft exiting from the housing; the connector engaging the drill shaft with the removable inner trocar; the drill shaft connected to a gear assembly; the gear assembly configured to rotate the drill shaft; a motor configured to engage the gear assembly and drive the penetrator assembly into the bone marrow by rotation of the drill shaft; a power supply and associated circuitry configured to power the motor; a luer lock connector releasably engaging the removable inner trocar with the outer penetrator; and the luer lock connector configured to connect the outer penetrator with an intravenous tubing.