The UK’s PureTech and US biotech Nektar have ended discussions about a potential merger which analysts did not see coming, but a deal could still happen and other companies may also make a move.

John Farquhar, who served as HeartFlow’s COO since August 2021, will now lead the cardiac imaging company as CEO. The move comes just weeks after HeartFlow terminated plans to go public through a merger with a special purpose acquisition company.

The impact of the Delta variant of COVID-19 on procedure volumes remains a major concern for transcatheter valve makers, Abbott launches a new PFO closure device, and more highlights from the cardiovascular technology market in early October.

In this roundup feature focusing on the developments in digital health, we highlight the key news and announcements from July.