Peripheral vein locating techniques

This article summarizes available methods for improving venous prominence and reviews the variety of devices for locating peripheral veins. The technologies underlying these devices, both those in use and under development, are described in terms of the advantages and disadvantages of their physical properties, their success rate in difficult cases and their current market price. The selection of the optimal technology for different conditions is also described. All existing technologies improve the success rate of nurses and paramedics in locating veins, save time and money and increase patient and medical staff satisfaction.