MAUDE Adverse Event Report: MEDTRONIC SOFAMOR DANEK USA, INC. T2 STRATOSPHERE¿ EXPANDABLE CORPECTOMY SYSTEM; SPINAL VERTEBRAL BODY REPLACEMENT DEVICE

Model Number	436020C
Medical Device Problem Codes	Mechanical Problem (1384); Mechanical Jam (2983)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	12/23/2025
Type of Reportable Event	Malfunction
Additional Manufacturer Narrative
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.Any required fields that are unpopulated are blank because the information is currently unknown or unavailable.Medtronic will submit a supplemental report if additional relevant information becomes known.
Event or Problem Description
Information was received from healthcare provider (hcp) via a manufacturer representative regarding a patient having lumbar corpectomy procedure it was reported that the surgeon impacted the implant into the surgical site.However, during the subsequent attempt to distract the device, the expansion mechanism failed to engage.Despite multiple attempts, the implant remained stuck/jammed and could not be distracted.Consequently, the malfunctioning implant was removed and replaced with a new implant of the same size.The second implant functioned correctly, and the procedure was completed successfully. there was no patient symptom reported.There were no further complications reported regarding the event.
Additional Manufacturer Narrative
H3:product analysis of product no:436020c, lot no:ca23j215 visual and optical inspection of the centerpiece expander did not reveal any damages that would hinder the implant from expanding.Functional inspection with a sample 20/25mm inserter confirmed the implant was able to connect and engage, expand and close without any grinding or restrictions.The implant appears to function as intended.No fault found.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.Any required fields that are unpopulated are blank because the information is currently unknown or unavailable.Medtronic will submit a supplemental report if additional relevant information becomes known.

• Brand Name: T2 STRATOSPHERE¿ EXPANDABLE CORPECTOMY SYSTEM
• Common Device Name: SPINAL VERTEBRAL BODY REPLACEMENT DEVICE
• Manufacturer (Section D): MEDTRONIC SOFAMOR DANEK USA, INC.; 4340 swinea rd; memphis TN 38118
• Manufacturer (Section G): MEDTRONIC SOFAMOR DANEK USA, INC.; 4340 swinea rd; memphis TN 38118
• Manufacturer Contact: justin ellis ; 1800 pyramid place; memphis, TN 38132 ; 7635265677
• MDR Report Key: 24092482
• Report Number: 3003120897-2026-00084
• Device Sequence Number: 18759102
• Product Code: MQP
• UDI-Device Identifier: 00763000856311
• UDI-Public: (01)00763000856311(11)240828(10)CA23J215
• Combination Product (Y/N): N
• Initial Reporter Country: TW
• PMA/510(K) Number: K173125
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2025
• Device Explanted Year: 2025
• Reporter Type: Manufacturer
• Report Source: Foreign,Health Professional,Distributor
• Initial Reporter Occupation: Physician
• Type of Report: Initial,Followup
• Report Date (Section B): 04/08/2026

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: 436020C
• Device Catalogue Number: 436020C
• Device Lot Number: CA23J215
• Was Device Available for Evaluation?: Device Returned to Manufacturer
• Is the Reporter a Health Professional?: Yes
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 12/23/2025
• Supplement Date Received by Manufacturer: 03/18/2026
• Initial Report FDA Received Date: 01/16/2026
• Supplement Report FDA Received Date: 04/08/2026
• Date Device Manufactured: 08/28/2024
• 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: Male