Bluesail Medical-backed mechanical heart pump developer Tongxin has collected at least $30.8m of series D funding.

Tongxin Medical, a China-based medical device maker backed by medical protective glove producer Bluesail Medical, has picked up hundreds of millions of yuan (RMB100m = $15.4m) in a series D round, KrAsia has reported.

Venture capital firm Sequoia Capital China led the round investing together with asset managers Lake Bleu Capital and Linden Asset Group, in addition to undisclosed investors.

Founded in 2008, Tongxin is developing ventricular assist devices (VAD) used to support heart function in healthcare patients with compromised…