Fixing bones with a household drill
21 December 2014 Last updated at 02:09 GMT
Being operated on with an ordinary power drill might not sound too appealing.
But an ingenious cover makes hardware store drills safe for surgery - at a tiny fraction of the cost of specialist surgical drills.
In poorer countries, surgeons often have to rely on time-consuming manual drills for bone operations.
By making power drills affordable, the sterile cover allows surgeons to operate faster and help more patients.
Catherine Byaruhanga reports from Uganda.
More stories from Health Check