Patent ID: 8177749
Filing Date: 2012-05-15
Classification: A61M

Abstract:
1. A system for injecting a fluid medicament into a patient, the system comprising: a drive mechanism; a hypodermic syringe pre-filled with the fluid medicament; and a cassette for receiving and holding the hypodermic syringe; wherein the drive mechanism comprises a cradle, a first motor, and a second motor; wherein the syringe comprises a needle, and a stopper for expelling the medicament from the syringe through the needle; wherein the first motor of the drive mechanism is for moving the syringe in the cassette between a first position and a second position when the cassette is mounted in the cradle of the drive mechanism, the first position being a proximal position for hiding the syringe needle inside the cassette, and the second position being a distal position where the needle extends from the cassette for injection of the medicament; wherein the second motor is for pushing the stopper to expel the medicament from the syringe while the syringe is in the distal position; and wherein the cassette comprises: