In order to reveal the effects of insertion speed with hydrogel coatings on tissue injury, comparative experiments were carried out with the naked neural probes (as the reference) and probes with PVA-H coatings based on tissue injury evaluation system. It was found that the coatings of the neural probes would cause more serious tissue injury during the insertion process. And the insertion speed could alleviate the negative effects on the tissue injury caused by implantation of neural probes.
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