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Shockwave Medical launches U.S. pivotal for coronary lithotripsy
Shockwave Medical said today that it launched a U.S. pivotal trial for its coronary lithotripsy device, which is designed to prepare heavily calcified coronary lesions for stenting.
The technology uses sonic pressure waves to fracture intimal and medial calcium without damaging arterial tissue, Santa Clara, Calif.-based Shockwave said. Last April the Shockwave S4 catheter, designed to similarly treat peripheral arteries, won CE Mark approval in the European Union. The company raised $35 million in October 2017.
The two-year, 392-patient Disrupt CAD III study is designed to evaluate the safety and effectiveness of the ...
Source: Mass Device - January 14, 2019 Category: Medical Devices Authors: Brad Perriello Tags: Cardiovascular Clinical Trials Featured Shockwave Medical Source Type: news
Sodium Alginate Ultrasound Phantom for Medical Education
In this study, I show that adding ethanol to the precursors used to fabricate the phantom reduces the speckle pattern. The ultrasound propagation velocity and attenuation coefficient of the phantom were 1561 ± 8 m/s and 0.54 ± 0.18 dB/cm/MHz, respectively (mean ± standard deviation), which are within the ranges of those in human soft tissues (1530-1600 m/s and 0.3-1.0 dB/cm/MHz, respectively). This phantom is easy to fabricate without special equipment, is inexpensive, and is suitable for elementary training on ultrasound diagnosis, operation of ultrasound-guided needles, and blind catheter insertion.PMID:34036871 | DOI...
Source: Ultrasonic Imaging - May 26, 2021 Category: Radiology Authors: Minoru Aoyagi Source Type: research
