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The invention is based on a short peripheral infusion catheter with two crucial changes: 1) the cannula is shorter than normal and 2) protrusions are added onto the cannula
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Summary A peripheral infusion catheter with a very short cannula which significantly reduces the occurrence of inflammation and thrombosis in patients. Protuberations on the cannula prevent unwanted release of the catheter while maintaining position in the vein or artery. Short peripheral infusion catheters are the most common intravenous devices being used in today's medical practice. Phlebitis/ Thrombophlebitis, with prevalence of up to 80% of hospitalized population, is the most common complication associated with these devices. Research has shown that the presence of catheters is a major cause of phlebitis in two modalities – first, the constant pressure of the catheter on the vessel wall causes the endothelium to become inflamed. Secondly, the catheter disturbs the blood flow and can cause eddies and recirculation spots which can lead to local build up of unwanted substances at these spots. Thrombophlebitis is a sterile inflammation of the vein wall and appears on average after 3 days of catheterization. It requires additional health care by the medical staff, increases the duration of hospitalization and consequently increases health care costs.