Patent ID: 6537268
Filing Date: 2003-03-25
Classification: A61M

Abstract:
An infusion pump for delivering a fluid from a reservoir to a body of a patient, the infusion pump comprising:a pumping mechanism located along a fluid path for supplying fluid to the body of a patient; and a source of compliance located outside of the reservoir and in communication with fluid along said fluid path for providing a source of compliance for fluid in proximity to the pumping mechanism or for fluid exiting the pumping mechanism, wherein the source of compliance comprises a structure selected from the group of (a) a compressible structure, (b) an expandable structure, (c) a non-permeable structure, and (d) a structure located within a flow path defined by a substantially non-compliant material, wherein the structure is a hollow structure having an inside surface and an outside surface, and wherein, in use, the outside surface of the structure is in communication with the fluid in the fluid path and the inside surface is not in communication with the fluid in the fluid path.