Patent ID: 9144645
Filing Date: 2015-09-29
Classification: A61M

Abstract:
1. An assembly for the delivery of insulin to a diabetic patient, the assembly comprising: a pump, the pump having a reservoir chamber, a drive piston, and a reservoir chamber opening, the reservoir chamber opening including an O-ring sealing member thereon; and a unitary, one piece fluid reservoir comprising a cylindrical barrel portion having a barrel diameter and having a first end and a second end having shoulders thereon; a male luer fitting integral with the shoulders of the second end of the barrel portion, the male luer fitting having an opening at a removed end thereof, the shoulders of the cylindrical barrel portion supporting and rigidly integral with a cylindrical neck portion, the neck portion including integral outward projecting threads inseparable with the barrel, the neck portion threads dimensioned to engage the threads of the reservoir housing chamber opening, the one piece fluid reservoir further including a smooth walled cylindrical sealing surface inseparable with the barrel and dimensioned to lay laterally adjacent the interior of the reservoir chamber opening of the pump in fluid sealing relation to the O-ring sealing member of the pump, the cylindrical sealing surface joined rigidly, and non-removeably attached and integral to the neck portion, the one piece fluid reservoir further including an open ended cylindrical extension, rigidly and non-removeably attached to and joining the cylindrical sealing surface and extending away from the barrel portion, the cylindrical extension having an outer surface, an inner volume, and an upper perimeter; a plunger dimensioned for slideable receipt into the first end of the cylindrical barrel portion; a conduit including a first end adapted to engage the male luer fitting of the fluid reservoir, the conduit having a second end; and an infusion set for engagement with the second end of the conduit, the infusion set for feeding fluid from the reservoir, through the engaged luer fittings and the conduit into the infusion set and into the person to which the infusion set is engaged.