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Devices designed to immobilize an intravenous catheter and needle placed into the circulatory system. These devices include a variety of shapes and designs; most are based on dedicated dressings or dressing strips but others may consist of a hollow cylinder (i.e., tube-like) holding the needle and catheter that is fixed to the body (usually to a limb) with a bandage, strap, or other security attachment. The devices may also consist of semirigid domes. Catheter-needle immobilizers are intended to keep safe and secure an intravenous line access with less risk of detachment of the catheter, needle, and/or its combination.
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