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According to the reporter, during enterotomy in a gastric bypass, the device made an error sound and the tip of the blade broke off into the patients cavity.They were able to retrieve the blade.They finished the procedure using a different kind of device.There was no patient injury.
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Additional information: evaluation summary: one device was returned for evaluation.The returned product did not meet specification as received.Visual inspection of the disposable device revealed that the tip of the waveguide was broken off.The broken piece was returned.Witness marks indicate that the device had been used.The reported condition was confirmed.The device was returned with a fractured waveguide.The device was not functional.Investigation personnel concluded that the titanium waveguide cracked from continued use after becoming damaged, and may have come in contact with any of the following; hemostats, clips, staples, retractors, etc.During use.The broken piece was returned.The investigation identified the cause of the reported event to be user error.The device instructions for use currently contain a warning against contact between the dissector tip and metal objects (hemostats, clips, staples, retractors, etc.) during activation.Contact with metal objects during use will cause the active blade to crack and may eventually break off.This issue is specific to ultrasonic dissectors.The instructions for use (ifu) advises device users to visually inspect all system components for breaks, cracks, nicks, or other damages prior to use.Ifu also states: do not use damaged components.Use of damaged components may result in injury to the patient or user.If information is provided in the future, a supplemental report will be issued.
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