(b)(4).Batch # k5dn9z.Month and day unknown.Only year (2018) is known.Device evaluation: the analysis results found that the long45a device was received with the handles opened.The device was returned with a tr45w reload loaded in the device.The returned reload was returned fully fired.The firing mechanism was noted to be damaged.No functional test was performed due the condition of the device.While no conclusion could be reach on what cause the firing mechanism to fail, it is possible that the device was attempted to fire on thicker tissue than indicated causing an increase of the internal forces resulting in the component yielding.It should be noted as part of our quality process each device is visually inspected and functionally tested during manufacturing to ensure that the device meets the required specifications prior to shipment.The batch history record was reviewed and no defects, ncr¿s or protocols related to the complaint, were found during the manufacturing process.The following information was requested, but unavailable: can you please clarify what issue occurred with the device? in what type of procedure was the device used? what was the product code of the cartridge reload? on which firing did this event occur (1st, 2nd, 12th, etc.)? did the device deliver any staples? if yes, were the staples formed properly? if yes, was the staple line complete? did the device cut? if yes, was the cut line complete? if yes, was there any issue with the cut line such as jagged, dull knife, irregular, etc? was there any difficulty opening the device? if yes, how was the device removed from the patient? if yes, did the jaws eventually open?.
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