Designed for chronic and acute pain management, the Rythmic™ Evolution is an ambulatory pump that also proves useful for consistent infusion therapies such as primary hypertension, chemotherapy, cystic fibrosis and IVIG. The Rythmic™ Evolution pump is feature rich to include self patient recording of pain level, a protocol library, custom menu without or with dose limit, bolus to eradicate setup errors, easy viewing of patient history owing to the display of graphs and easy to read history menu, preventive maintenance notices, 3 step start process with easy to understand set up menu, capable of printing to a portable printer and connectivity to a GPRS device.