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According to the reporter, prior to use, the device was not working. when they were about to use the device, it did not show green l ight. another device was used and worked fine.There was no patient involvement.
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New information has been received pertaining to the event.This event has been reassessed and the reportability has been determined to be a malfunction.Evaluation summary: medtronic conducted an investigation based upon all information received.The device and a photo were available for evaluation.Visual inspection noted the device had been soiled, indicating that it had been used.The tip of the waveguide had fractured and disengaged.The broken piece was not returned.Functional testing found the assembled device returned a green light and produced a welcome tone and immediately alarmed when activated.The waveguide was inspected under magnification and the origin of the crack was identified.No defects or damage were observed in the packaging returned that could have contributed to the reported condition.It was reported that the device received a red light and would not activate prior to use.The reported issue could not be confirmed.The most likely cause could not be established from the information available.The evaluation detected an unreported condition: the waveguide was found to be broken.The product analysis noted evidence that the device was not used as intended.This issue may have occurred due from continued use after it may have come in contact with a metallic object.The crack propagated until the waveguide fractured.Another unreported condition was identified: the unit had an adhesive failure.The most likely cause was determined to be manufacturing related.The instructions included with this device provide the following guidance: contact between the active blade and other metal objects (hemostats, clips, staples, retractors, etc.) may result in unintended damage to tissue and/or device failure." medtronic is submitting this report to comply with fda reporting regulations under 21 cfr parts 4 and 803.This report is based upon information obtained by medtronic, which the company may not have been able to fully investigate or verify prior to the date the report was required by the fda.Medtronic has made reasonable efforts to obtain more complete information and has provided as much relevant information as is available to the company as of the submission date of this report.This report does not constitute an admission or a conclusion by fda, medtronic, or its employees that the device, medtronic, or its employee caused or contributed to the event described in the report.In particular, this report does not constitute an admission by anyone that the product described in this report has any ¿defects¿ or has ¿malfunctioned¿.These words are included in the fda 3500a form and are fixed items for selection created by the fda to categorize the type of event solely for the purpose of regulatory reporting.Medtronic objects to the use of these words and others like them because of the lack of definition and the connotations implied by these terms.This statement should be included with any information or report disclosed to the public under the freedom of information act.Any required fields that are unpopulated are blank because the information is currently unknown or unavailable.A good faith effort will be made to obtain the applicable information relevant to the report.If information is provided in the future, a supplemental report will be issued.
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