Upper urinary tract stones are becoming more prevalent in pet cats. Surgery to address obstructing stones has poor outcomes and medical therapies are rarely effective. Our team at the University of Washington developed burst wave lithotripsy (BWL), a non-invasive, ultrasound-guided, handheld focused ultrasound technology to disintegrate urinary stones, which is now undergoing human clinical trials. We designed a scaled version of the system for use on pet cats, accounting for differences in anatomic scale and stone size. This proposal is to test a BWL system adapted for use on twelve pet cats in a veterinary clinical trial.
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