MAUDE Adverse Event Report: MEDTRONIC, INC. AORTIC AP; HEART-VALVE, MECHANICAL

Model Number 505DA20

Device Problems Inadequacy of Device Shape and/or Size (1583); Incomplete Coaptation (2507)

Patient Problem Insufficient Information (4580)

Event Date 04/27/2023

Event Type  Injury  

Event Description

Medtronic received information that during the implant of this 20mm aortic mechanical valve, it was explanted and replaced with a 19mm non-medtronic valve.The reason for the replacement was reported as "leaflets did not open and close smoothly".No additional adverse patient effects were reported.

Manufacturer Narrative

Product analysis: no product was returned.Conclusion: without the return of the product, no definitive conclusion can be made regarding the clinical observation.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.If information is provided in the future, a supplemental report will be issued.

Event Description

Medtronic received information that the reason for the replacement was reported as after the valve was implanted and sutured, the valve was found to be stuck.It was reported that one of the valve leaflets did not open and close smoothly.It was stated a valve measuring device was routinely used to measure the valve size and the 20mm was chosen.

Manufacturer Narrative

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.

Manufacturer Narrative

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.

Manufacturer Narrative

Medtronic received additional information that changed the event description and device relatedness of this previously reported event.There is no evidence to suggest the device caused or contributed to a death or serious injury.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.

Event Description

Medtronic received additional information which stated that the leaflet motion was tested with the blue actuator during the implant procedure.It was stated that the valve was rotated within the annulus in an attempt to obtain appropriate leaflet motion.It was noted that the corresponding valve sizer set was used in measurement of the device.It was reported that the physician felt that this was a case of patient prosthesis mismatch.It was mentioned that the physician thought that the size of the valve did not match the size of the patients annulus and resulted in limited valve movement.The valve was replaced with another brand of mechanical valve.No additional adverse patient effects were reported.

Manufacturer Narrative

Product analysis: upon receipt at medtronic's quality laboratory, visual examination revealed that the device was returned loose inside a clear plastic bag.There was evidence of blood contact on the returned device.Dried, bloody host material noted along the edges and surfaces of both leaflets.Both leaflets were received in the closed position.The blue actuator was used to test leaflet motion; resistance was felt during the test.Remnant bloody host material noted on the carbon component.Thin layer of dried bloody host material was found on the inner diameter of the orifice where the leaflets close.A thick remnant of thrombotic appearing host tissue was found on the orifice adjacent to one of the hinge mechanisms.Thrombotic appearing host tissue appeared to contribute to the restriction in leaflet mobility.Remnant bloody host material was found on both hinge mechanisms.The valve leaflets, orifice and hinge mechanisms were cleaned and dried.Both leaflets appeared intact with no evidence of damage such as cracks and/or surface anomalies.Using the blue actuator, both leaflets appeared to move without difficulty.The hinge mechanisms and orifice were intact with no evidence of damages.The carbon subassembly rotated in the sewing ring.The device is being forwarded to the manufacturing site, for serial number verification.Conclusion: the investigation is in progress.A supplemental report will be submitted after completion of the investigation.H3: device evaluated updated, h6: coding updated.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.

Manufacturer Narrative

Conclusion: based on the analysis, it is possible, that the thrombotic tissue contributed to the restricted leaflet mobility.However, this cannot be confirmed, as it is unknown, whether the thrombotic material was present, during leaflet motion testing.Additionally, the physician reported, that the restricted leaflet motion may have been, due to patient prosthesis mismatch.It was mentioned, that the physician though, that the size of the valve did not match the size of the patient's annulus and resulted in limited valve movement.H3: device evaluated updated.H6: coding updated.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.

• Brand Name: AORTIC AP
• Type of Device: HEART-VALVE, MECHANICAL
• Manufacturer (Section D): MEDTRONIC, INC.; 3800 annapolis lane; minneapolis MN 55447
• Manufacturer (Section G): MEDTRONIC, INC.; 3800 annapolis lane; minneapolis MN 55447
• Manufacturer Contact: alison sweeney ; parkmore business park west; galway ; EI ; 091708096
• MDR Report Key: 16903524
• MDR Text Key: 314920612
• Report Number: 3008592544-2023-00055
• Device Sequence Number: 1
• Product Code: LWQ
• Combination Product (y/n): N
• Reporter Country Code: CH
• PMA/PMN Number: P990046
• Number of Events Reported: 1
• Summary Report (Y/N): N
• Report Source: Manufacturer
• Source Type: Health Professional,Company Representative
• Reporter Occupation: Physician
• Type of Report: Initial,Followup,Followup,Followup,Followup
• Report Date: 01/11/2024

1 Device was Involved in the Event

1 Patient was Involved in the Event

• Date FDA Received: 05/10/2023
• Is this an Adverse Event Report?: Yes
• Is this a Product Problem Report?: No
• Device Operator: Health Professional
• Device Model Number: 505DA20
• Device Catalogue Number: 505DA20
• Was Device Available for Evaluation?: Device Returned to Manufacturer
• Is the Reporter a Health Professional?: Yes
• Date Manufacturer Received: 01/10/2024
• Was Device Evaluated by Manufacturer?: Yes
• Date Device Manufactured: 11/22/2021
• Is the Device Single Use?: Yes
• Is This a Reprocessed and Reused Single-Use Device?: No
• Type of Device Usage: Initial
• Patient Sequence Number: 1
• Patient Outcome(s): Required Intervention