But so far there has been little word of real-world fire situations involving the device.
The company declined to say how many lawsuits involving the device had been filed or whether it had settled any of them.
Dr. Leon is currently the national co-lead investigator for a major clinical trial involving the device, which was that company's main product.
An estimated 5,000 lawsuits involving the device are pending, including some from patients crippled by tiny particles of metallic debris shed by the implants.
For Amazon, it has obvious benefits, since the whole concept involves the device listening for and processing voice queries from users.
As it turned out, those two groups appear most prone to failures involving the devices.
Ms. Cummings said that the failures on Dec. 12 and 13 involved the pantograph, the device that picks up electric power from the overhead lines, not the tilting mechanism.
To show a large amount of data and various services involved, the smart devices that are most often used in a household were selected from the smart appliance category.
Instrumentation of the device involved the application of strain gauges and the selection of materials that would survive standard autoclave sterilization.
Initial techniques involved the development of devices to concentrate MSCs from large volumes of ICBM aspirate by centrifugation [10]— and such devices are available in the clinic.
