Bioadhesive stamp-sized ultrasound: long-term continuous imaging of heart, lungs, and other internal organs!

 | Post date: 2022/08/1 | 
Ultrasound is widely used for the noninvasive imaging of tissues and organs, but this method requires close contact between the transducer and the target area. This can make it difficult to acquire images over a long period of time, especially if the patient needs to be mobile. Continuous imaging of internal organs over days could provide crucial information about health and diseases and enable insights into developmental biology. Engineers at Massachusetts Institute of Technology report a bioadhesive ultrasound (BAUS) device that consists of a thin and rigid ultrasound probe robustly adhered to the skin via a couplant made of a soft, tough, antidehydrating, and bioadhesive hydrogel-elastomer hybrid. The BAUS device provides 48 hours of continuous imaging of diverse internal organs, including blood vessels, muscle, heart, gastrointestinal tract, diaphragm, and lung. The BAUS device could enable diagnostic and monitoring tools for various diseases.
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