Patent ID: 6010482
Filing Date: 2000-01-04
Classification: A61M,G01P

Abstract:
A device for use in infusing medicinal fluid into a patient at a controlled rate comprising:(a) a base;(b) stored energy means for forming, in conjunction with said base a fluid reservoir having an outlet, said energy storage means comprising at least one generally planar, distendable member having a peripheral portion affixed to said base, said member being distendable as a result of pressure imparted by the fluids to be infused, to establish internal stresses, said stresses tending to move said member toward a less distended configuration;(c) an outlet port in communication with said outlet of said fluid reservoir for dispensing fluids from the device; and(d) fluid actuated indicator means disposed intermediate said fluid outlet of said reservoir and said outlet port for visually indicating fluid flow from said fluid reservoir.