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Blood packs have been successfully flown by drone in a series of beyond visual line of sight BVLOS flights, for the first time in the UK.
In a research study to check the viability of flying blood via drone, run jointly by NHS Blood and Transplant (NHSBT) and medical logistics company Apian, ten units of packed blood cells were transported on a 68 km journey across Northumbria’s skies, while an identical ten packs were transported via road.
The study was the first in a series of NHS trials to ascertain the feasibility and safety of delivering medical supplies via drone, which can be faster and more environmentally friendly than road travel.
Ten identical pairs of packed red blood cells were randomly allocated to transport by drone or ground vehicle and ten separate journeys undertaken between Northumbria Healthcare NHS Foundation Trust’s Wansbeck Hospital and Alnwick Infirmary and back again – five by ground, five by air, with each containing identical blood packs.
Each pack was then analysed to assess factors including concentration of potassium and the percentage of haemolysis (destruction of the blood cells). Results showed that drone delivery did not influence the blood’s quality or longevity and therefore could be used as a safe mode of transport.
It is the first time in the UK that blood packs have been delivered by BVLOS drone operations. The route was carefully planned with the Civil Aviation Authority authorising the airspace used, as a part of a series of safety considerations put in place. The drones travelled at a speed of 68 mph, flying out to the coastline, over the sea and back in-land for each leg. The complete journey covered 68 km and took a total of 61 minutes. The ground vehicle path was 74.6 km long and took 68 minutes. For the purposes of the study, the drone’s travel path was not the most direct possible – distances would be shorter and travel times significantly quicker in a real-world setting.
NHSBT says a similar trial for platelets is being planned.