Aspects of the present disclosure include embodiments of a positioning device and a method for using the same. The method may comprise applying pressure during an ultrasound examination. Embodiments of the disclosed positioning device include an arch configuration and an arm configuration to span across a gurney and over a patient on the gurney, the arch including a track that spans at least part of a length the arch, and an instrument attachment attached to the track of the arch, or an arm with multiple joints with an instrument attachment attached to the distal end of the arm, which serves to assist the motions of the user. The instrument attachment is configured to hold an instrument, such as an ultrasound transducer, and may extend the instrument toward the patient, such as to apply pressure to the patient during an ultrasound examination.