implantable insulin pump
An implanted insulin pump is a pump which remains inside the body at all times. An implanted insulin pump is able to deliver insulin into the peritoneal cavity which has a rich supply of blood vessels and can therefore absorb insulin very efficiently.
Users of implanted insulin pumps have reported an improved sense of well being but there are a number practical disadvantages including the need for users to have their pumps refilled.
Implanted insulin pumps are rare and only a small number of patients worldwide use this kind of insulin pump.