Patent ID: 9114207
Filing Date: 2015-08-25
Classification: A61M,Y10T

Abstract:
1. A method for capturing syringe plungers of different sizes at a plunger driver, each syringe plunger having a plunger piston, a plunger flange, and a plunger stem interconnecting the piston with the flange, wherein each syringe plunger forms a part of a syringe, each syringe having a barrel in which the syringe plunger moves, each plunger flange having an inner side facing the syringe barrel and an outer side, the plunger driver adapted to move the syringe plunger into the syringe barrel in an operation mode, the method comprising the steps of: rotating a rotation knob, connected with first and second asymmetric arms mounted to the plunger driver, to a first rotation position, at which the knob moves the first and second arms outward into a syringe plunger non-engagement position to permit coupling of a plunger flange to the plunger driver, wherein the first and second asymmetric arms rotate within a plane parallel to the plunger flange; and coupling a syringe plunger and the plunger driver by rotating the first and second arms inward toward each other to capture the plunger flange between the first and second arms.