Evaluation: VueTek Scientific Veinsite Near-Infrared Vein Finder
May 23, 2018 | Evaluations & Guidance
- The Veinsite uses near-infrared (NIR) light to image subcutaneous blood vessels, blood flowing through the vessels, and blood within the interstitial space such as a hematoma. It allows the clinician to locate veins used for vascular access that cannot be identified using conventional visualization and palpation methods. The device is also used to assess veins—both those that can and those that cannot be identified using conventional methods—to identify which ones are suitable for venipuncture to obtain blood samples or for IV infusion of medications. The Veinsite can also be used for sclerotherapy and to identify veins to avoid during cosmetic injection procedures.
- The major device components are: a) A head-worn device, referred to as a headbasket, that projects invisible 850 nm wavelength NIR light onto the patient's skin at the desired venous access site.
- The headbasket is 35 × 20.8 × 15 cm (13.8 × 7.9 × 5.9 in) in size and weighs 1 kg (2.2 lb). The headbasket permits hands-free use of the device during procedures and allows the clinician to choose between viewing real-time NIR images on two small grayscale LCD video screens in the headbasket or directly visualizing the access site (see Figure 2).
- The optimal operating distance from the patient's skin surface is 25 to 50 cm (10 to 20 in).
- The headbasket size can be adjusted to fit the clinician using two adjustment knobs.
- The headbasket has the power control button and a display contrast control button on the right side.
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