Hide the needle under the disc to reduce children's fear of the needle when collecting blood. The cartoon OK tension attached to the disc can be used as a placebo to attract children's attention after blood collection. The transparent design enables the cartoon image to be displayed only after being torn off, and will not allow children to have a visual and psychological connection with the blood collection disc. Participants: Xu Zhewei, Liu Na, Zhang Xuewen
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What a thick needle
Fear
Then there was a fear of pushpins.
Great little idea