The second prototype was built in 6 months later provided significantly higher performance and all subsystems designed in house. This unit folded up for compactness and would un-fold for imaging:
Our entire team won Apple Watches from Jonathan for acquiring our first brain image only 24h after he challenged us to do so:
The success of these prototypes enabled a large fund raising round. Over the years since my involvement, more and more sophisticated systems were developed culminating in product release and company IPO. Hyperfine is now listed on the NASDAQ as $HYPR.