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Now, we have designed a device named “Easy Pull Out” to solve this problem. After inserting the needle into the hand, the nurse just need to press this device on the needle and fix it on the patient’s hand. The absorbent cotton in the device can attach on the pinprick for protection, instead of the traditional tape and cotton to fix the needle. After transfusing, the patient should press the button. The absorbent cotton will be pressed on the pinprick tightly and the needle will be pulled out quickly. All the steps can be finished by single hand of the patient.