Pumps and Automated Systems
Reviewed by CDE Mehandi Sharma · Updated
An insulin pump is a small device that delivers rapid-acting insulin continuously through a thin tube under the skin, replacing separate background injections. You still tell it about meals.
An automated or closed-loop system goes further: a pump and a continuous glucose monitor talk to each other, and the pump adjusts background insulin on its own in response to your readings. These are sometimes called artificial pancreas systems.
What they offer is finer control and fewer injections, with the automated systems taking real work off you overnight — which is where a lot of Type 1 difficulty lives.
What they ask for is honest to state. You are attached to a device. Infusion sites need changing and can fail, and a failed site means no insulin at all, so ketones can rise quickly. You still need to count carbohydrate. And you need to understand your own regimen well enough to notice when the device is wrong.
In India there is also cost, both for the pump and for ongoing consumables and sensors, generally paid out of pocket.
A pump is not a step up from injections in every case. Well-managed injections beat a poorly supported pump, and the right choice depends on you.