game changing

rare

simple concepts

focused

inexpensive

intuitive

safe

specificity or sensitivity

treat important problems

patient related

address a specific need

stand the test of time

eg MET call system

ccu

icu

aspirin

penicillin

safe vaccines that have stood the test of time and don’t produce monetary profit

cath labs

anaesthesia

hand washing

x-rays

insulin rx

iv canulas

iv fluid

oxygen

bag valve mask