MAUDE Adverse Event Report: MEDTRONIC NEUROSURGERY DELTA VALVE, BURR HOLE; SHUNT, CENTRAL NERVOUS SYSTEM AND COMPONENTS

Model Number	42833
Medical Device Problem Code	Break (1069)
Health Effect - Clinical Code	Swelling/ Edema (4577)
Date of Event	12/16/2020
Type of Reportable Event	Serious Injury
Additional Manufacturer Narrative
If information is provided in the future, a supplemental report will be issued.
Event or Problem Description
Medtronic received a report that the patient had a remission of symptoms, so a brain ct scan was performed.A recession of hydrocephalus and swelling of the surgical wound in the posterior region was observed.Following an intraoperative check, a rupture on both sides of the valve mechanism was found.The valve was replaced as a result and everything proceeded smoothly.
Additional Manufacturer Narrative
The returned device was patent.The device passed requirements for leakage, siphon control, reflux, pressure flow and preimplantation testing.The catheter associated with the valves were not returned.The laboratory personnel could not replicate the failure observed in the field.The ifu cautions, ¿improper use of instruments in the handling or implantation of shunt products may result in the cutting, slitting or crushing of components.Such damage may lead to loss of shunt integrity and necessitate premature surgical revision of the shunt system.¿ dhr review of lot # e32794 did not show any defects related to the failure observed in the field.All valves are 100% tested at the time of manufacture.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.
Additional 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 or Problem Description
Additional information received reported that the etiology of the reoperation was the shunt malfunction due to extensive insertion of the ventricular catheter into the brain parenchyma.During the inspection of the cranial flap, there was swelling underneath.The physician opened the flap, and there was cerebrospinal fluid around the valve mechanism.Under the surgical microscope, it was seen a small rupture around the valve mechanism, not in the reservoir.

• Brand Name: DELTA VALVE, BURR HOLE
• Common Device Name: SHUNT, CENTRAL NERVOUS SYSTEM AND COMPONENTS
• Manufacturer (Section D): MEDTRONIC NEUROSURGERY; 5290 california ave; irvine CA 92617
• MDR Report Key: 11400060
• Report Number: 2021898-2021-00046
• Device Sequence Number: 11648864
• Product Code: JXG
• UDI-Device Identifier: 00643169466838
• UDI-Public: 00643169466838
• Combination Product (Y/N): N
• Initial Reporter Country: GR
• PMA/510(K) Number: K934545
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2020
• Device Explanted Year: 2020
• Serviced by Third Party (Y/N): N
• Reporter Type: Manufacturer
• Report Source: company representative,foreig
• Initial Reporter Occupation: Physician
• Type of Report: Initial,Followup,Followup
• Report Date (Section B): 04/23/2021

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?: Yes
• Operator of Device: Health Professional
• Device Expiration Date: 04/30/2022
• Device Model Number: 42833
• Device Catalogue Number: 42833
• Device Lot Number: E32794
• Was Device Available for Evaluation?: Device Returned to Manufacturer
• Date Returned to Manufacturer: 02/25/2021
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 02/09/2021
• Supplement Date Received by Manufacturer: 03/08/2021; 04/18/2021
• Initial Report FDA Received Date: 03/02/2021
• Supplement Report FDA Received Date: 03/17/2021; 04/23/2021
• Is This a Single-Use Device that was Reprocessed and Reused on a Patient? (Y/N): No
• Patient Sequence Number: 1
• Outcome Attributed to Adverse Event: Hospitalization; Required Intervention