MEDTRONIC NAVIGATION, INC FUSION ENT NAVIGATION SYSTEM; EAR, NOSE AND THROAT STEREOTAXIC INSTRUMENT
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Model Number 9733560XOM |
Device Problem
Imprecision (1307)
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Patient Problem
No Known Impact Or Consequence To Patient (2692)
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Event Date 09/16/2020 |
Event Type
malfunction
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Manufacturer Narrative
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The system was serviced in the field and passed all tests.No failures were found.No registration data was available on the archive sent in.Multiple patient trackers and all the registration types were tried, but no registration data appeared.Troubleshooting was done.The em interface showed no fault and the emitter shows tracking on all coils.The representative (rep) was able to test in an or setting and was able to successfully verify all four instrument trays.Likely cause for inaccuracy was user error or poor scan quality.If information is provided in the future, a supplemental report will be issued.
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Event Description
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Medtronic received information regarding a navigation device being used intra/peri-operatively of a functional endoscopic sinus surgery (fess) procedure.It was reported that, while navigating, the surgeon felt inaccurate.The surgeon registered 4 times hoping to increase accuracy without any success.Each time the registration appeared to be accurate on the surface, the surgeon felt inaccurate with the instrument.The site felt off with all the instrument and decided to abandon navigation.There was a 10-minute delay to the procedure.Additional information was received.It was reported that the likely cause for the inaccuracy was user error or poor scan quality.The inaccuracy was approximately 10mm.
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Manufacturer Narrative
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H3: a software analysis was initiated.However, the software evaluation found that a probable cause was unable to be determined.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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