A Review on Subcutaneous Veins Localization Using Imaging Techniques
Aamir Saeed Malik,
Mohamad Naufal Mohamad Saad,
In daily medical practices intravenous (IV) catheterization is performed on the majority of patients to inject
medication or to get blood samples. Patients whose veins are not visible require multiple attempts in order to insert the
catheter accurately. Different techniques have been proposed and a few are in use at present to localize the veins in order
to avoid the wrong catheterization and reduce the number of attempts. In literature, numerous imaging techniques can be
found for subcutaneous veins localization. These techniques have dissimilar methods and applications. The aim of this
paper is to present a review on the most commonly used techniques amongst all of them; these are Transillumination,
Photoacoustic and near infrared (NIR) imaging. The basic working principle along with evolution of these techniques has
been stated from the current state-of-the-art. Advantages and limitations are underlined in terms of effectiveness, simplicity
in usage, portability and cost effectiveness.
Keywords: Intravenous catheterization, subcutaneous veins, imaging, near infrared (NIR), transillumination, photoacoustic.
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