PUMP DEVICE AND ASSOCIATED METHOD

Abstract

A pump device including: a chamber disposed in a body portion; a plunger disposed in the chamber and configured to move within the interior of the chamber to deliver medication in an interior of the body portion through an outlet of the body portion, the plunger including a receiving portion; a retainer disposed within the body portion, which includes a plurality of rod openings; a plurality of rods removably retained within the rod openings; and a button disposed in the body portion, which includes a pushing surface and a protrusion, the button configured, when the pushing surface is pushed, to move within the body portion such that the protrusion of the button contacts a first rod of the plurality of rods in the plurality of rod openings and moves the first rod out of the first rod opening and into the receiving portion of the plunger.

CPC Classifications