HEARTWARE, INC. HEARTWARE VENTRICULAR ASSIST SYSTEM - PUMP; VENTRICULAR (ASSISST) BYPASS
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Model Number 1104 |
Device Problems
Increase in Suction (1604); Pumping Problem (3016)
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Patient Problem
No Clinical Signs, Symptoms or Conditions (4582)
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Event Date 04/26/2022 |
Event Type
malfunction
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Event Description
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It was reported that the ventricular assist device (vad) exhibited multiple suction and low flow alarms.The vad remains in use.No patient complications have been reported as a result of this event.
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Manufacturer Narrative
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Investigation of this event is pending and a supplemental report will be sent upon its completion.Additional information has been requested regarding the cause of the suction & low flow alarms and if any interventions were performed and the vad implant date of the event, but it was not available at the time of this report.If additional information is received, the event will be updated and a supplemental report will be sent.If information is provided in the future, a supplemental report will be issued.
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Manufacturer Narrative
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### a supplemental report is being submitted for additional event details and vad implanted date.Investigation of this event is pending and a supplemental report will be sent upon its completion.### 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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Event Description
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It was further reported that the cause of the alarms was unknown, and no further actions were taken.
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Manufacturer Narrative
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A supplemental report is being submitted for device evaluation and investigation completion.Product event summary: the ventricular assist device (vad) was not returned for evaluation.The reported suction and low flow events were confirmed through log file analysis which revealed 11 low flow alarms and 34 suction alarms logged since on (b)(6) 2022.Based on the available information, the device may have caused or contributed to the reported event.Based on the risk documentation, possible causes of the reported suction and low flow events may be attributed to multiple factors including but not limited to thrombus at the inflow cannula/outflow graft, constriction at the outflow graft, poor vad filling, and/or inappropriate pump rotational speed.Investigation of this event is completed and the file will be closed.If new information is received, the file will be re-opened and a supplemental will be submitted.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.
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