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From: Stretchable zipper
Figure 4. Applications in smart wearable systems and medical devices. (A) The hemiplegia rehabilitation wearable system; (B-D) Application in wound closure. (B) Stretchable zipper enables effective wound closure and provides adequate comfort during joint flexion; (C) An untreated wound exhibits low peripheral strain but poor healing due to exposure to air; (D) Non-stretchable zipper may induce a significant sensation of restriction during joint flexion.
