Patent ID: 6126642
Filing Date: 2000-10-03
Classification: A61M

Abstract:
A patient controlled infusion device for the sequential delivery of discrete doses of fluid to a delivery site comprising:(a) a device housing having a fluid outlet adapted to be in communication with the delivery site;(b) a fluid reservoir disposed within said device housing for containing the fluid to be delivered, said fluid reservoir having an outlet in communication with said fluid outlet of said housing;(c) dispensing means for sequentially dispensing first and second doses of fluid from said outlet of said fluid reservoir; and(d) an operating and control means operably associated with said dispensing means for controlling the dispensing of fluid from said fluid reservoir, said operating and control means comprising:(i) dose interval control means for controlling the interval of time between the dispensing of the discrete doses of fluid to the delivery site, said dose interval control means comprising an adjustable dose interval control member carried by said device housing, said dose interval control means further comprising a fluid containing cellular mass, a compressible member operably associated with said fluid containing cellular mass and a fluid flow control means operably associated with said fluid containing cellular mass for controlling fluid flow therefrom; and(ii) dose volume control means for controlling of the volume of said discrete doses of fluid, said dose volume control means comprising an adjustable dose volume control member carried by said device housing.