Outpatient therapy often relies on mobile drug pumps for various applications, such as pain therapy, oncology, parenteral nutrition as well as metabolic disorders. Mobility not only improves the quality of life, it also reduces therapy costs as the patients do not require treatment at the hospital. Conventional mobile drug pumps have limitations when it comes to flexibility, size, weight, and reliability. Recent advances in drive systems, based on piezo ceramic motors, can help overcome these limitations and open up new opportunities for medical device manufacturers and patients as well.
The concept of compact, mobile drug delivery, often involves balloon pumps. But they show significant inconsistencies in the medication delivery rate and lack the ability to document the exact injection amounts. Since “mobile” patients are usually not in the hospital, there is no trained personal to precisely monitor the course of therapy. The physician needs accurate information for a successful treatment. Therefore, a pump system is required which also allows for exact traceability of medication quantities vs time outside the hospital. For such cases, peristaltic pumps are currently the best solution.
However, due to their considerable weight and size, these pumps severely restrict the patient’s mobility. They do, however, allow for a precise dosage and programmable, timing and volume flows. The peristaltic pumps are suitable for various medications, as they deliver a continuous flow (basal rate), but even special injections (bolus rates) are also easy to dose and can be scheduled in any manner. In addition, all procedures can be documented to evaluate specified drug quantities and the course of therapy and to submit relevant data to insurance providers.