Patent ID: 8690828
Filing Date: 2014-04-08
Classification: A61J,A61M

Abstract:
1. A syringe drive device comprising: a cylinder adapter; a cylinder holding section configured to detachably and directly hold a first syringe or the cylinder adapter; a piston operating section configured to detachably engage a piston inserted in a first cylinder of the first syringe or a piston inserted in a second cylinder of a second syringe held by the cylinder adapter; and a piston drive section configured to move the piston operating section along a central axis of the piston to thereby move the piston in a direction in which the piston is pushed into the respective syringe or a direction in which the piston is pulled out from the respective syringe; and wherein the cylinder adapter includes a projection and a recess, a distance between the projection and the recess being equal to a difference between a length from a tip end of the first cylinder to a flange of the first cylinder and a length from a tip end of the second cylinder to a flange of the second cylinder.