Caveat Inventor

Oklahoma insurance broker Michael Grant plunged into the world of inventing four years ago, when his 6-year-old daughter was being treated for leukemia. In the hospital, he noticed that when the girl was given intravenous medication, the nurses taped a piece of cardboard to her arm to keep her wrist from bending, then wrapped more tape around a small cup over the needle. Whenever the nurses had to inspect the site, they had to unwrap everything. Grant reckoned that a board with adjustable straps would be more practical. After showing a sketch to hospital staffers, he was convinced he was onto something.

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