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The mentor failure analysis lab has received the device for evaluation.The analysis has begun but is not complete at this time.When the investigational analysis has been completed, a supplemental report will be submitted.A manufacturing record evaluation (mre) was performed, and no anomalies were found related to this complaint.In addition, the mre verifies that the device was manufactured in accordance with documented specification and procedures.Reason for device explant and/or reoperation: n/a.Manufacturer¿s reference number: (b)(4).
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On 14-apr-2020, mentor completed the investigation on the suspect medical device.Device evaluation summary: according to the reported information, a demo tissue expander was leaking when a demonstration of the buffer zone was made.During visual inspection of the device no apparent damage could be observed.Blue liquid was noted in the device.Multiple attempts have been made to obtain a clarification of it.However, no additional information has been provided.Leak testing revealed there were two (2) tears (a, b) located at the anterior view, measuring approximately less than 0.1 cm (a) and less than 0.1 cm (b).During the microscope examination striations were detected in the edges of the ruptures consistent with a rupture with a sharp instrument perforating silicone material.As stated in the product insert data sheet, do not allow cautery devices or sharp instruments, such as scalpels, suture needles, hypodermic needles, hemostats, adson forceps or scissors to contact the device during surgical procedures as this can result in rupture.The manufacturing records were reviewed, and the manufacturing criteria were met prior to the release of this lot.As stated in the product insert data sheet, is contraindicated to place drugs or substances inside the tissue expanders other than sterile saline for injection since this could compromise the product integrity.It should be noted that as part of our quality process, each device is visually inspected during manufacturing to ensure the device meets the required specifications prior to shipment.Complaint information will be included in complaint trending that is reviewed and monitor by quality assurance on a regular basis to determine if further action is necessary.Manufacturer¿s reference number: (b)(4).
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