Medical Flow Systems (MFS) is a medical technology company focusing mainly on developing medical devices to improve continuous postoperative acute pain therapy. MFS emphasizes the versatility of devices to enable anesthesiologists to improve postoperative pain management by setting the therapy parameters to best address individual patient pain needs. MFS has developed an elastomeric pump with a flow regulator. Its elastomeric pumps can be partially filled, refilled, and converted to dual catheter or dual flow rate pumps. The company's MultiBolus II presents a significantly improved simulation of manual injection when compared with other PCA devices.