They are intended for the introduction of drug solutions into the blood (or blood collection in these or other purposes - for example, for detoxification) and installed cherezskozhno. As the name implies, peripheral catheters installed in the superficial veins (most commonly the veins of limbs: basilica, cephalica, femoralis, as well as veins hands, feet, babies - the superficial veins of the head), and central - in the large veins (subclavia, jugularis). There is a technique of catheterization of the central peripheral veins of access - are also used very long catheters. All catheters require fixation. Almost always done fixing the catheter to the skin patch, with special braces or suture material. It is also used in the oral fixation of the catheter by changing its shape after the introduction (this applies to non-vascular abdominal catheters): Inflatable balloon system loop (pigtail, a closed loop, a mini-pigtail), the system Malecot, system Petzer, etc.
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