Angiography

Utilizing the absorption difference betweeen skin tissue and blood vessles under near infrared light. The acquired infrared image is processed by a series of algorithms to enhance the subcutanneous blood vessels. With a DLP projector, the aligned iamge is finally projected to skin surface which highly coincide to original veins. It can assit the mecial staff to find and locate veins quickly and accurately during venous transfusion. It has a significant help in patients with vascular positioning difficulties.