Scalpel AI, a London-based medtech transforming the management of surgical tools and implants using computer vision, has raised £3.8m ($4.8m) in a funding round led by Mercia Ventures, with participation from Tensor Ventures and private investors.  The investment will enable Scalpel AI to scale its global operations and roll out its technology with major players in the healthcare supply chain, including sterile services, hospitals, and prominent third-party logistics (3PL) services such as GlobalMed Logistix (GMLx).