MAUDE Adverse Event Report: MEDTRONIC PUERTO RICO OPERATIONS CO., HU INFINITY; APPLIANCE, FIXATION, SPINAL INTERLAMINAL

Model Number	3604522
Medical Device Problem Code	No Apparent Adverse Event (3189)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Type of Reportable Event	Malfunction
Event or Problem Description
Information was received from healthcare provider (hcp) via a manufacturer representative regarding a patient having spinal therapy.It was reported that, the rod and set screw was loosened at t1 level post-operatively.Patient experienced neck pain, and could hear squeaking when moving neck.Squeaking sensation up to her skull.There were no patient symptoms reported.No further complications reported regarding the event.Additional information received stating procedure performed was c4 - t1 posterior extension of fusion.Mas were intact, no failure associated with mas screws.
Additional Manufacturer Narrative
H6: product analysis # 3604522; lot# h5888779.Visual and microscopic inspection confirmed the set screw has some deformation on the node of the screws.There is some smearing/damaged to the nodes and the screw saddles from what appears to be the rods moving between the saddles and set screw.The threads of the set screws have been damaged.Medtronic submits this report to comply with fda regulations 21 cfr parts 4 and 803.Medtronic has made reasonable efforts to provide 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.Medtronic will submit a supplemental report if additional relevant information becomes known.

• Brand Name: INFINITY
• Common Device Name: APPLIANCE, FIXATION, SPINAL INTERLAMINAL
• Manufacturer (Section D): MEDTRONIC PUERTO RICO OPERATIONS CO., HU; road 909, km. 0.4; humacao,pr
• Manufacturer (Section G): MEDTRONIC PUERTO RICO OPERATIONS CO., HU; road 909, km. 0.4; humacao,pr
• Manufacturer Contact: justin ellis ; 1800 pyramid place; memphis, TN 38132 ; 7635265677
• MDR Report Key: 25688650
• Report Number: 2647346-2026-00356
• Device Sequence Number: 4720177
• Product Code: KWP
• UDI-Device Identifier: 00643169541801
• UDI-Public: (01)00643169541801(11)230829(10)H5888779
• Combination Product (Y/N): N
• Initial Reporter State: AZ
• Initial Reporter Country: US
• PMA/510(K) Number: K163375
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2026
• Device Explanted Year: 2026
• Serviced by Third Party (Y/N): N
• Reporter Type: Manufacturer
• Report Source: Health Professional
• Initial Reporter Occupation: Physician
• Type of Report: Initial
• Report Date (Section B): 07/02/2026

1 Device was Involved in the Event

1 Patient was Involved in the Event

• Is this an Adverse Event Report?: No
• Is this a Product Problem Report?: Yes
• Operator of Device: Health Professional
• Device Model Number: 3604522
• Device Catalogue Number: 3604522
• Device Lot Number: H5888779
• Was Device Available for Evaluation?: Device Returned to Manufacturer
• Date Returned to Manufacturer: 05/28/2026
• Is the Reporter a Health Professional?: Yes
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 06/08/2026
• Initial Report FDA Received Date: 07/02/2026
• Was Device Evaluated by Manufacturer? (Y/N): Yes
• Date Device Manufactured: 08/29/2023
• Is the Device Labeled for Single Use? (Y/N): Yes
• Is This a Single-Use Device that was Reprocessed and Reused on a Patient? (Y/N): No
• Usage of Device: Initial
• Patient Sequence Number: 1
• Patient Sex: Female
• Patient Weight: 160 LB