Outpatient Parenteral Antibiotic Therapy (OPAT): Continuous Elastomeric Infusion Pump Download PDF, 1.92 MB, PDF A continuous elastomeric infusion pump is used when you need a continuous administration of drugs, for example, antibiotics. It is a disposable infusion system and it delivers your medication continuously at a fixed flow rate into your vein. Read on to find out more about the steps you can take to take care and change your continuous elastomeric infusion pump. [Please download the PDF file if you are unable to view the image below.] This video will teach you how to change the continuous elastomeric infusion pump after each infusion is completed.