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It was reported that during a cryo ablation procedure, noise was heard coming from two electrodes on the mapping catheter.The mapping catheter cable was replaced without resolution.Subsequently, the mapping catheter was replaced which resolved the issue. the case was completed with cryo. no patient complications have been reported as a result of this event.
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Product event summary: the 990063-015 mapping catheter with lot 224571488 was returned and analyzed.Visual inspection of the shaft segment area showed that the shaft was kinked approximately 5.5 inches from the lemo connector.Functional testing was then performed.The mapping catheter was connected to the diagnostic computer (prucka) using the test cable.The channel pairs 2-3 and 3-4 were displaying noise.The rest of the channels were normal.Dissection of the suspected electrode related to the noise showed the electrode wire was connected properly to the electrode and it is intact with no issues.Dissection of lemo connector assembly showed broken electrical wire inside lemo connector.In conclusion, the mapping catheter tested out of specification and failed the returned product analysis due to a shaft kink.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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