A Hydrophillic Closed System Intermittent Catheter comes sealed sterile inside a transparent bag. Urethral insertion and extraction is performed without removing the catheter. Sterility is maintained throughout catheterization as the user does not touch the catheter with bear hands. Coloplast Conveen Surecath, Medicath hi-slip, Rochester Medical Magic3, and Teleflex Closed System are examples of the largest online portfolio.