An illustrative device includes a vacuum source and a nozzle connected to the vacuum source. The vacuum source is configured to draw in a graft with a vacuum pressure. The device also includes a needle assembly configured to receive the graft in a lumen thereof and a hollow pusher body configured to slide over at least a portion of a surface of the needle assembly and at least a portion of the nozzle. The device further includes a pusher member mounted on the hollow pusher body • and configured to slide inside the lumen of the needle assembly. The pusher member is configured to eject the graft out of the needle assembly.