| abstract |
This patent is a drug injection device, the device includes a container body with a distal end and a proximal end for accommodating drugs, the container body has an extension flange at the distal end and a flange at the proximal end; A piston at the proximal end of the body body for sealing and replacing the drug; a rod pusher placed in the body body for pushing the piston distally; a connector at the distal end of the body body with an opening for drug delivery . |