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We have to use our free hand to apply pressure to the puncture point after intravenous injection in order to avoid bleeding.
During that time, it is hard to use a phone or grab something. The concept is to keep one’s hand free. There is an elastic sphere with medical cotton on the tape. When the nurse withdraws the needle and presses the sphere inside the tape, the pressure will be be continuous and need no assistance.
Dalian Polytechnic University
School of Art and Design,