Disposable sets that deliver insulin from the pump into the body. They include tubing and a small cannula placed under the skin and are typically changed every 2–3 days.

The small, flexible tube that sits under the skin and delivers insulin.

Used to secure the infusion set to the skin and help prevent it from coming loose, especially during activity or sweating.

Holds insulin inside the pump. These are filled with insulin and replaced regularly, usually with each infusion set change.

Some pumps use replaceable batteries, while others are rechargeable.