(b)(4).Batch: r5aa6r.Investigation summary the ec60a device was received for analysis with no apparent damaged and with an ecr60b cartridge reload loaded on the device.The cartridge reload was received partially fired 1/3 and with damage on cartridge deck.The device was tested for functionality in the articulated position with a test cartridge reload and achieved its complete firing sequence without any difficulties.The staple line and cut line were complete and the staples were noted to have the proper b-form shape.The partially fired is consistent with an incomplete or interrupted cycle.The firing trigger functioned as intended and without any difficulties noted.The damage to the cartridge is consistent with the device being clamped over a hard object.To mitigate the potential for staples getting into the cartridge and interfering with the knife path during device firing, prior to reloading the device, rinse the anvil and cartridge jaw in sterile solution and then wipe the anvil and cartridge jaw to clean any formed but unused staples from the device.Additionally, proper care should be taken when placing the device on the tissue to be stapled, to ensure that no hard obstruction such as a clip is included with the tissue inside the jaws.A manufacturing record evaluation was performed for the finished device batch number, and no non-conformances were identified.
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