FDA Adverse Event Malfunction Summary report: N

CD HORIZON® SPINAL SYSTEM

MDR report key: 23321955 · Received October 17, 2025

Report

Report Number
2647346-2025-00151
Event Type
Malfunction
Date Received
October 17, 2025
Date of Event
September 15, 2025
Report Date
December 2, 2025
Manufacturer
MEDTRONIC PUERTO RICO OPERATIONS CO., HU
Product Code
KWP
UDI-DI
00643169004344
PMA / PMN Number
K113174
Product Problem
Yes
Report Source
Manufacturer report
Reporter Location
TX, US
Reporter Occupation
PHYSICIAN
Health Professional
Yes

Narratives

Additional Manufacturer Narrative · 0

L2 AND PELVIC SCREWS WERE LOOSE IN THE SAME PATIENT/EVENT. THE SPECIFIC IDENTIFIERS OF THE LOOSE SCREWS COULD NOT BE CONFIRMED. THE FOLLOWING PRODUCT IDS AND LOT NUMBERS WERE PRESENT AT IMPLANT: [LIST ALL OTHER 11]. THE FAILED SCREWS¿ EXACT SERIAL/LOT/UDI-PI REMAIN UNKNOWN. PRODUCT ID:, LOT#:, UDI:, 510(K) 55840007545, H5332527, 643169004344, K113174, 55840007545, 0217834W, 643169004344, K113174, 55840007545, H5326897, 643169004344, K113174, 55840007550, H5753508, 643169004351, K113174, (QTY-2), 25630018580, CA16L048, 643169412620, K153442, 25630018580, CA21M059, 643169412620, K153442, 55840006545, H5648850, 613994971753, K113174, 55840006545, H5659108, 613994971753, K113174, 55840007545, H5233246, 643169004344, K113174, 55840007545, H13G0838, 643169004344, K113174. 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.

Additional Manufacturer Narrative · 0

B5.DESC EVT PROBLEM UPDATED 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.

Additional Manufacturer Narrative · 0

B5.DESC EVT PROBLEM UPDATED. 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.

Description of Event or Problem · 0

INFORMATION WAS RECEIVED FROM HEALTHCARE PROVIDER (HCP) VIA A MANUFACTURER REPRESENTATIVE REGARDING A PATIENT WITH CLINICAL ID: (B)(6). ON (B)(6) 2025, A CT (DIAGNOSTIC) REPORTED ABNORMAL FINDINGS WITH HALOING AROUND THE L2 AND PELVIC SCREWS CONSISTENT WITH SCREW LOOSENING, WITH PELVIS INSTRUMENTATION IN PLACE AND EARLY PARTIAL FUSION NOTED. THE PATIENT HAS A HISTORY OF LUMBAR SURGERY (LAMINECTOMIES IN 1999 AND 2000 AT L4/L5¿L5/S1). THE PRIMARY DIAGNOSTIC INDICATION WAS STENOSIS WITH DOCUMENTED PRE-OPERATIVE INSTABILITY, WITH FOUR CONSECUTIVE LEVELS (L2¿S1) TREATED. SITE ASSESSMENT INDICATED A CAUSAL RELATIONSHIP TO THE INTERBODY FUSION DEVICE, POSTERIOR FIXATION DEVICE, PLF GRAFTING MATERIAL, AND THE SURGICAL CONSTRUCT/PROCEDURE. SPONSOR ASSESSMENT CONCLUDED THE EVENT IS CAUSALLY RELATED TO THE POSTERIOR FIXATION DEVICE AND NOT RELATED TO THE PROCEDURE, PLF GRAFTING MATERIAL, OR THE INTERBODY DEVICE. NO ADDITIONAL CLINICAL SYMPTOMS OR COMPLICATIONS WERE PROVIDED IN THE REPORT.

Description of Event or Problem · 0

2025 OCT 18, UPDATE RECEIVED: THERE WERE NO SYMPTOMS RELATED SCREW LOOSENING- OVERALL PATIENT IS BETTER. 2025 OCT 29, UPDATE RECEIVED: ON (B)(6) 2025, DIAGNOSTIC X-RAY (XR-2) WAS ABNORMAL, SHOWING DEXTROSCOLIOSIS; SPINAL ALIGNMENT AND INSTRUMENTATION WERE ADEQUATE FROM L2 TO THE PELVIS, WITH INSTABILITY NOTED AT L1¿L2.

Description of Event or Problem · 0

2025 NOV 13, UPDATE RECEIVED: CEC ASSESSMENT: CAUSAL RELATED TO THE POSTERIOR FIXATION AND TO THE PROCEDURE AND NOT RELATED TO THE PLF GRAFTING AND TO THE INTERBODY DEVICE.

Devices

Seq Brand Generic Product Code Manufacturer Model Lot UDI-DI
299156 CD HORIZON® SPINAL SYSTEM APPLIANCE, FIXATION, SPINAL INTERLAMINAL KWP MEDTRONIC PUERTO RICO OPERATIONS CO., HU 55840007545 H5746549 00643169004344

Patients

Seq Age Sex Outcome Treatment
1 NA Female