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But this particular doll stands out with a wearable insulin pump on her waist, a glucose monitor on her arm and a phone showing her blood sugar readings, making her the El Segundo-based toy company’s first Barbie with Type 1 diabetes.

The artificial pancreas is made up of an insulin pump, glucose sensor and an advanced algorithm running on an app.

The insulin pump is a small device - around the size of a deck of cards - which supplies a continuous flow of longer-acting insulin through a cannula underneath the skin.

An advantage of the insulin pump is that it allows increased flexibility for people with unpredictable schedules or who require smaller doses of insulin.

A report by the Australian Institute of Health and Welfare in 2011 says that 86% of survey respondents cited that the insulin pump fits in with their lifestyle much better than injections.