Patent ID: 8231575
Filing Date: 2012-07-31
Classification: A61M

Abstract:
1. A dispensing apparatus for dispensing fluids to a patient comprising: (a) an outer housing having a first, second and third portions; (b) an inner, expandable housing disposed within said outer housing, said inner expandable housing having a fluid reservoir provided with an inlet for permitting fluid flow into said fluid reservoir; (c) stored energy means disposed within said second portion of said outer housing for acting upon said inner expandable housing to cause the fluid contained within said fluid reservoir to controllably flow outwardly toward the patient, said stored energy means comprising a compressively deformable, substantially continuous, semisolid member carried within said second portion of said outer housing, said semisolid member being expandable to cause fluid flow from said fluid reservoir; (d) fill means carried by said outer housing for filling said reservoir with the fluid to be dispensed; (e) flow control means connected to said first portion of said outer housing for controlling fluid flow from said reservoir, said flow control means comprising a flow control assembly including: (f) volume indicator means carried by said outer housing for indicating the volume of fluid remaining in said fluid reservoir.