Today, in lieu of injecting with a needle or pen, some patients carry an insulin pump loaded with the shorter-acting insulin.

CNN: Is it harmful to estimate extra insulin before a meal?

The Barry family in Denver wants TSA agents trained so everyone with a medical device or condition can make it through security checkpoints safely, said Sandra Barry, whose daughter's insulin pump was replaced after its ill-fated trip through Salt Lake City's airport.

CNN: How much do we really hate the TSA?