It was reported that during a total laparoscopic hysterectomy procedure, the surgeon was using the device and the power went off.After starting the machine, he was activating the probe outside the patient body.During this process the active blade was broken.It is unknown how the procedure was completed.There were no adverse consequences for the patient reported.
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(b)(4).Information asked for but unknown or not provided during initial contact.Information anticipated, but unavailable at this time.No device received for analysis at time of submission of 3500a.Device evaluation - no device received for analysis at time of submission of 3500a.When additional information is received and/or the device analysis has been completed, a supplemental medwatch will be sent.
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(b)(4).Should the information be provided later, a supplemental medwatch will be sent.The device was returned with the distal tip of the blade broken off and not returned.The remaining blade portion was scratched, evidence of contact with metal in or out of the operative field.The device was functionally tested with a generator.During functional testing on gen11 an alert screen was displayed.A probable cause of the device stop activating and display an alert screen is blade damage.Probable causes of blade damage, including breakage, are external contact during pre-op or general use, blade contact with other devices, staples or clips during the procedure or using any means other than the blade wrench to attach or detach the blade.Once minor blade damage has occurred, subsequent activations may increase damage severity and result in alert screens, such as ¿tighten assembly¿, ¿blade error detected¿ or "relaxed pressure on blade" followed by a ¿replace instrument¿ screen later in the procedure.
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