Remote Evaluation of a Wireless Ultrasound Probe

Abstract

Objective: To determine whether an evaluation of a wireless ultrasound transducer could be completed remotely. Materials and Methods: Video conferencing was used for communication between a sonographer and a minimally trained operator to allow evaluation of a flat linear array transducer that communicated via Wi-Fi with a smartphone and the probe vendor’s software. A tissue-mimicking phantom was used for quantitative testing, while scanning human models allowed qualitative assessments. Video conferencing using a tablet camera directed at the smartphone screen or transducer allowed the sonographer to view images, and guide the operator on probe positioning, and image optimization techniques. Results: All tests were completed during three 60-minute video conferences. Assessments of models were more challenging than tests using the phantom. The glare from ambient lighting sometimes made it difficult to view the smartphone screen. A connectivity limitation, which has since been resolved, prevented simultaneous use of video conferencing and the transducer software on the smartphone. Conclusion: This study confirmed that an evaluation of a wireless ultrasound transducer can be successfully performed remotely.