Positive flow valve

A loop system, without needle, the upper valve mobile mechanism, comprising a limit cavity body comprises a. The main near is an opening; the opening enough to a a medical device ANSI adjusting head of. The valve comprises a plastic; the sealing device the elastic silicon, the sealing device has a gap in sealing cover is connected with the cavity of the opening and. The compression in sealing cover of gaps cutting and down of the decompression and. The medical device head is sealed to the cavity, the sealing cover is a opening. A cover further - comprising a cavity body, is convenient for the liquid flows between the medical device and a sleeve pipe head. When the medical device is cavity, the cavity of automatic valve and an reversiblily, wherein the extraction the medical device, so the extraction medical equipment, comprising realized by the valve is when the pipe head; a on the lock buckle medical equipment of the valve prevented the blood flow to the catheter of the patient.