MAUDE Adverse Event Report: MICRO THERAPEUTICS, INC. DBA EV3 REACT CATHETER; CATHETER, PERCUTANEOUS

Model Number REACT-71

Device Problem Adverse Event Without Identified Device or Use Problem (2993)

Patient Problems Hematoma (1884); Intracranial Hemorrhage (1891); Perforation of Vessels (2135)

Event Date 12/15/2021

Event Type  Injury  

Manufacturer Narrative

Only patient's year of birth was provided.Therefore, in reported patient dob, only year (b)(6) is valid.If information is provided in the future, a supplemental report will be issued.

Event Description

Medtronic received information reporting that post-operatively on (b)(6) 2021, a patient who underwent thrombectomy with a react-71 aspiration catheter had subarachnoid hemorrhage (sah) observed on head computed tomography (ct) without contrast.Blood was observed in the sylvan fissure.Follow-up ct's were performed on (b)(6) 2021 and (b)(6) 2021 showed a greater amount of the blood in the sylvan fissure but the results were not clinically significant.It was noted "sah is a typical adverse event for mechanical thrombectomy procedure, especially in [the] sylvian point region." the event was not life-threatening and did not require additional medical or surgical intervention.The event did not result in prolonged hospitalization or patient disability.Site and study sponsor assessment determined the adverse event had a causal relationship with the procedure possibly related to the aspiration catheter.Sponsor assessment deemed a serious adverse event.There was no reported device malfunction or intra-operative issue.

Event Description

Additional information received reported the patient had nihss of 0 on follow-up and was discharged home on (b)(6) 2022.There were no reported patient symptoms related to the sah.Corelab image review noted evidence of possible perforation in procedural images possible related to the device and the procedure.

Manufacturer Narrative

B5.Updated with additional information received.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

B5.Updated with additional information received.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.

Event Description

Additional information received reported the sah was noted to be resolved on (b)(6) 2022.

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.

Event Description

Additional information received reported that the images from the procedure were carefully reexamined by the site interventional radiologists and there was no sign of vessel perforation.The probable cause of sah was rupture of small perforatory vessels arising from m2-m3 mca.

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.

Event Description

Additional information received reported that the sponsor the sah as caused by the procedure and possibly related to the device.The patient's mrs score was 0.On (b)(6) 2021 head ct imaging showed a parenchymal hematoma ph1 occupying less than 30% of the infarcted area and regression of hematoma.No additional treatment or hospitalization was given, and this was not the result of a device deficiency.The site assessed the hematoma as not related to the disease under study or an underlying condition, caused by the procedure, and possibly related to the device.This sponsor assessed the adverse event as possibly related to the procedure.

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.

Event Description

Additional information received reported that on (b)(6) 2022, cec assessed ae as possible related to index procedure, react and riptide.

• Brand Name: REACT CATHETER
• Type of Device: CATHETER, PERCUTANEOUS
• Manufacturer (Section D): MICRO THERAPEUTICS, INC. DBA EV3; 9775 toledo way; irvine CA 92618
• Manufacturer (Section G): MICRO THERAPEUTICS, INC. DBA EV3; 9775 toledo way; irvine CA 92618
• Manufacturer Contact: glen belmer ; 9775 toledo way; irvine, CA 92618 ; 6122713209
• MDR Report Key: 13694671
• MDR Text Key: 286774829
• Report Number: 2029214-2022-00370
• Device Sequence Number: 1
• Product Code: DQY
• Combination Product (y/n): N
• Reporter Country Code: PL
• PMA/PMN Number: K182097
• Number of Events Reported: 1
• Summary Report (Y/N): N
• Report Source: Manufacturer
• Source Type: Foreign,Study,Health Professional,Company Representative
• Reporter Occupation: Physician
• Type of Report: Initial,Followup,Followup,Followup,Followup
• Report Date: 09/30/2022

1 Device was Involved in the Event

1 Patient was Involved in the Event

• Is this an Adverse Event Report?: Yes
• Is this a Product Problem Report?: No
• Device Operator: Health Professional
• Device Expiration Date: 03/04/2023
• Device Model Number: REACT-71
• Device Catalogue Number: REACT-71
• Device Lot Number: B172733
• Was Device Available for Evaluation?: No
• Is the Reporter a Health Professional?: Yes
• Initial Date Manufacturer Received: 03/01/2022
• Initial Date FDA Received: 03/08/2022
• Supplement Dates Manufacturer Received: 03/18/2022; 04/05/2022; 04/15/2022; 08/25/2022; 09/20/2022
• Supplement Dates FDA Received: 03/28/2022; 04/15/2022; 04/25/2022; 09/07/2022; 10/01/2022
• Date Device Manufactured: 03/09/2021
• 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): Other
• Patient Age: 71 YR
• Patient Sex: Male
• Patient Weight: 81 KG