A product sample was received for evaluation.Visual testing was performed.The manufacture and inspection records were reviewed and no related issues were found.The material of the ring collar was never changed all the time, each color scheme has a range requirement, the color of different batch products may be different, but they will be within the color range.The color was qualified.The actions that was taken was color limit samples were set up for the molding process for color controlling.No information has been provided to date.This remediation mdr was generated under protocol (b)(4), as a result of warning letter cms# (b)(4).
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