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This is a medical bracelet, Its specialty lies in its showing areas of the blood vessels.When people accept intravenous injection in arms,doctors usually wind a rubber tube around the arm and beat it to show areas of the blood vessels.It not only increases the fears of patients ，but also brings much mental pressure to doctors.Based on principle of venous imaging,this design solves this effeitively.This bracelet uses special materials and structures,thus easy to be worn,playing a important role in outdoor rescue.
Dalian Minzu University