halma plc said monday that it has acquired izi medical products a designer manufacturer and distributor of medical consumable devices headquartered in maryland in the us for an initial consideration of 1535 million in cash the ftse 100 safety health and environmentaltechnology group said that it will pay an additional consideration of up to 145 million based on izis growth the company said that izis revenue for the 12 months to march 31 was 329 million while return on sales was substantially above halmas target range of 18 to 22 izis medical consumable devices are mainly used by interventional radiologists and surgeons in a range of acute hospitalbased diagnostic and therapeutic procedures the company said izis growth is supported by the higher incidence of health conditions in ageing populations improved screening and diagnostics enabling earlier treatment of disease and expansion into adjacent applications through innovation chief executive officer andrew williams said