Patent attributes
Apparatus and methods are provided to penetrate a bone and associated bone marrow using a powered driver. The apparatus may include a housing; a drive shaft comprising a first end disposed within the housing and a second end extending from the housing, the second end of the drive shaft configured to releasably engage the intraosseous device; a motor disposed within the housing and rotatably engaged with the drive shaft; a rechargeable power supply configured to supply power to the motor; an electrical charging circuit configured to recharge the rechargeable power supply; and a visual indicator indicating a status of the rechargeable power supply. The apparatus may also include an electrical power circuit configured to measure one of torque and current flow through the motor.