Patent ID: 8430848
Filing Date: 2013-04-30
Classification: A61M

Abstract:
1. A fluid reservoir and administration device for delivering a dosage of a medicament to a patient, said device comprising: a base unit having a main support, at least one latching member, and at least one needle extending through said main support; a reservoir unit having a housing defining a cavity therein filled with a fluid, at least one ratcheting element located on said housing, a threaded member, and a plunger moveable received in said cavity, said housing further including a base configured to be releasably secured to said main support of said base unit by said latching member of said base unit; and a cap unit having a side wall, a top wall, a defined open bottom configured to receive said reservoir unit therein, a plurality of ratcheting teeth engagable with said ratcheting element of said reservoir unit, and a threaded post threadably engagable with said threaded member of said reservoir unit, said threaded post having a distal end configured to be contact with and move said plunger of said reservoir unit when said cap unit is rotated; wherein said proximal end of said needle of said base unit being in fluid communication with said fluid in said cavity of said reservoir unit when said reservoir unit is fitted to said base unit; wherein said reservoir unit further comprising at least one ramp adjacent said side wall and said main support, said ramp defining a notch configured to receive a protrusion extending from said plunger of said reservoir unit when said plunger is adjacent said main support.