It drew up with the process which obstructs the colonization of the bacterium in that medical device process, and the above-mentioned package which position the fixed medical device in process and the above-mentioned package which position the resource of the fixed anti-bacterial medicine in the fixed package which includes the fixed inner surface, resource and the medical device of the anti-bacterial medicine the time when it is sufficient in order in that medical device from resource of that anti-bacterial medicine to move the anti-bacterial medicine of the fixed effective quantity in state of the steam, with temperature and placing under condition of pressure, substantially the medical device which is packaged.一定の内表面部を含む一定のパッケージの中に一定の抗菌剤の供給源を位置決めする工程、上記パッケージの中に一定の医療装置を位置決めする工程、および上記パッケージ、抗菌剤の供給源および医療装置をその医療装置にその抗菌剤の供給源から一定の有効量の抗菌剤を蒸気の状態で移動するために十分な時間、温度および圧力の条件下に置くことにより、その医療装置における細菌のコロニー形成を実質的に阻害する工程により作成したパッケージ化した医療装置。