medical devices
Ultrasound opens the brain’s barrier to Alzheimer’s drugs in tiny trials
About 260 people with Alzheimer’s have had the procedure across 27 studies, none of them randomized, and the most striking result so far comes…
A review of 141 histotripsy studies tallies what has gone wrong
Serious complications turned up in about 6% of clinical liver treatments, and the authors say longer follow-up and open reporting have to catch up…
Gentle brain ultrasound reaches deep targets but has not yet proved it helps
A critical review in Frontiers in Neuroscience counts 177 registered trials worldwide, finds most human studies under 20 people, and says no indication is…
Hong Kong will test sound-wave histotripsy on kidney tumors in 30 patients
The Li Ka Shing Foundation is paying for 30 trial places at three private hospitals, billed as Asia’s first kidney trials of the technique.
A chip reads each cell’s electrical signature, then sorts it with sound
Engineers in Singapore and Macau used a brief pulse of focused sound to push chosen cells aside, reaching 98% purity without any chemical labels.
Light-made ultrasound tracked blood pressure at the wrist in two volunteers
Technion engineers used laser pulses to make an artery send out ultrasound, then read its width with one tiny detector, within about 4 mmHg…
FDA authorizes focused ultrasound that closes varicose veins through the skin
Theraclion’s Sonovein won a De Novo authorization on November 4, backed by a 70-patient, single-arm trial that reported 96.8% of treated veins closed at…
Shockwave therapy probably eases frozen shoulder pain, but only short term
A BMJ review of 189 trials and 12,988 adults found pulses of sound cut early pain by about two points out of ten, with…
A 366-patient trial tests ultrasound that helps chemotherapy reach pancreatic tumors
The Korean company IMGT enrolled its first US patient at the University of Virginia this month, after a 30-patient pilot too small to settle…
Histotripsy shrank month-old vein blockages by 59% in three pigs
A Chicago and Michigan team built scarred, collagen-heavy clots in pig leg veins, then broke them up with focused sound, in a six-animal pilot.
A US trial of a fully implanted cochlear implant passes six months
All 56 people in Envoy Medical’s pivotal Acclaim trial have reached six months, and the first 10 went from 15% to 53% word recognition,…
A bandage-sized ultrasound implant watches the injured spinal cord
Johns Hopkins engineers tested the device in pigs and human cadavers, and in healthy pigs its focused ultrasound changed how fast blood moved in…