About the size of a pager, these computerized devices are usually worn discreetly on a belt or placed in a pocket. Patients adjust the size and timing of these bolus doses according to when and how much they wish to eat. The pump also makes it easier to adjust mealtime bolus doses. Often, therefore, better blood glucose control may be achieved than with standard self-injections. In addition, the pump offers greater convenience and a more flexible meal schedule, which may particularly benefit people who are very active or who travel frequently.
Most people find the pump quite comfortable, even during vigorous activity.
The pump unit is waterproof, or has a waterproof pouch, and so can be worn during bathing. It can also be removed for brief periods, like during exercise or for special occasions. However, pump therapy is only appropriate for people who are highly committed and responsible. Pump therapy is expensive, and may only be a viable option if the costs are covered by your insurance carrier. In the ongoing quest to make daily insulin doses less of a burden for people with diabetes, researchers are working on a variety of new approaches to insulin delivery.