MASSDEVICE ON CALL — Envoy Medical Corp.’s sales of its landmark hearing aid spiked 150 percent as a video of a patient hearing her own voice through the implant for the first time went viral on the internet.
In the short clip 29-year-old Sarah Churman, deaf from birth, cries as a clinician turns on the device for the first time. The video drew nearly 7.8 million views since late last month.