Summation Health Ventures, a fund backed by two healthcare systems, was among the investors in a round that will support commercialisation of Gauss's blood loss monitoring system.

Gauss Surgical, the US-based developer of a system that monitors blood loss during surgery, has closed a $12m series A round featuring corporate-backed venture capital fund Summation Health Ventures.

Summation, formed by healthcare providers MemorialCare Health System and Cedars-Sinai Health System, was joined by Promus Ventures, which led the round, and LifeForce Ventures

Gauss plans to use the cash to accelerate commercialisation of its Triton System, a platform that uses a tablet camera to scan surgical sponges and canisters, sending…