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Other, other text: this remediation mdr was generated under protocol (b)(4), as a result of warning letter cms#617147.No problem or issues were identified during the device history record review.No samples were received but two photos were received for evaluation.Based on the images provided, it was observed that there were ink stains inside tube, therefore failure mode can be confirmed.Root cause can be determined as operator mishandling using production equipment.A notification awareness to operators were issued in order to notify all personnel about issue reported with ink stains on manometer surface, a quality alert was implemented at manometer production line notifying about issue reported and a poka-yoke implementation in fixture at machine that will avoid starting the operation without adding a manometer tube.
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