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A US technology company has developed a projection device that can project real-time images of patients' blood vessels onto their skin, thereby greatly improving the success rate of needle injection during intravenous injection, blood sampling and blood transfusion, effectively protecting the upper limb veins of patients and reducing phlebitis. happened.
When you are dripping or drawing blood, many people will be afraid of the needle. In fact, some people often need two or even multiple times to succeed because the veins are too thin or too low. Even for medical professionals, intravenous vascular injection is a challenging process, and improper operation can cause phlebitis, vascular obstruction or other complications.
The projector, called VeinViewer, uses near-infrared light to capture real-time images of the patient's vasculature and project it into the patient's arm in real time through the projection system. The medical staff can visually see the location of the patient's veins, which is very easy to operate.
The device manufacturer, Christie Medical Holdings, Inc., of Memphis, Tennessee, said that VeinViewer has been shown to reduce the use of peripherally inserted central venous catheter (PICC) catheters by 30%. It is understood that the product has already launched the second generation. Compared to earlier products, the second-generation VeinViewer can be used for patients throughout the body without resetting, and has more customization features than the first generation. Clinicians can easily change the projected image, such as image size, color, brightness, etc., and easily save the image as a PNG file if needed. These settings allow doctors to get clearer and clearer images for better diagnosis and treatment.
According to the company, with VeinViewer, doctors can see the blood vessels 15 mm deep under the skin of the patient, and the blood vessels commonly used in the clinic are generally concentrated at a depth of 10 mm under the skin. In addition to the surrounding veins and their branches, doctors can even see the flow of blood vessels and blood. The device can be used with either AC or lithium batteries, and can operate for up to 2 hours in a row.
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