OP-Vent
A different take: without an ambu bag.
Claims: A mechanical ventilator design developed by Dally can be assembled
quickly, using off-the-shelf parts with a total cost of around $400 —
making it an accessible and affordable alternative to traditional,
dedicated ventilators, which can cost $20,000 or more.
Includes just two central components — a solenoid valve and a
microcontroller. The design is called the OP-Vent,
and in the video below you can see how bare-bones it is in terms of
hardware compared to existing alternatives, including some of the other
more complex emergency-use ventilator designs developed in response to
COVID-19.
Has been developed using input from mechanical
engineers and doctors, including Dr. Andrew Moore, a chief resident at
Stanford University and Dr. Bryant Lin, a medical devices expert and
company co-founder.
Can be assembled in as little as five minutes, and
is small enough to fit in a Pelican case for easy transportation and
potability.
It also employs fewer parts and uses less energy than similarly simple designs that adapt the manual breather bags used by paramedics in emergency response.
Next up for the design is getting it cleared by the FDA under the agency’s Emergency Use Authorization program for COVID-19 equipment, and then seeking manufacturing partners to pursue large-scale manufacturing.
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