The deflation button
In six cases it was noticed that the operator accidentally pressed the
deflation button. Each time this occurred, the cuff was reinflated
immediately. All operators agreed that the design of the deflation
button should be altered to reduce the risk of inadvertent activation
(Figure S2):
O3: ‘Operator accidentally pressed the deflation button ‘oh,
whoops that was my fault, I’ll just re-inflate’.’