Other, other text: this remediation mdr was generated under protocol (b)(4), as a result of warning letter cms#(b)(4).No problem or issues were identified during the device history record review.A sample was received for evaluation.The sample was received in used condition, without original packaging and with its certificate of safe handling.The sample was visually inspected under normal lighting to received unit.During visual inspection, condition reported in complaint is visible; however, this does not assure us that there is still a failure of the process, since mishandling by the user by not adjusting the tracheostomy device correctly could cause the rupture.Based on this, the failure mode cannot be confirmed.Based on the tests performed to replicate the failure mode, where it could not be reproduced using the tools from assembly process, the most probable root cause is that damaged occurred after the product left manufacturer.No corrective actions were taken.D4 and g5 are unknown.
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