MAUDE Adverse Event Report: ALPHATEC SPINE, INC. CALIBRATE NANOTEC PSX INTERBODY SYSTEM; INTERVERTEBRAL FUSION DEVICE WITH BONE GRAFT, LUMBAR

Model Number	420-PRO-09103000-S
Medical Device Problem Code	Collapse (1099)
Health Effect - Clinical Codes	Failure of Implant (1924); No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	04/28/2026
Type of Reportable Event	Malfunction
Event or Problem Description
A patient underwent a lumbar intervertebral fusion procedure on (b)(6) 2025.An expandable interbody spacer was implanted and expanded as intended.No intraoperative complications were reported.At the 3-month postoperative visit, radiographic imaging revealed a collapse of the spacer at l5/s1.
Additional Manufacturer Narrative
The spacer has not returned for evaluation as it remains in situ.Radiographic images were provided which confirm the event of a collapsed spacer at l5/s1.A review of the device history records could not be performed as the identifying lot number was not provided.Based on the information provided, the root cause could not be determined.Alphatec spine is submitting this report to comply with the fda regulations 21 cfr 803.Alphatec spine has made reasonable efforts to provide as much relevant information as available.Any field that is left blank was not known at the time of this submission.If additional information is provided, a supplemental report will be submitted.Labeling review: warnings/cautions: potential risks identified with the use of these fusion devices, which may require additional surgery, include device component failure, loss of fixation, pseudarthrosis (i.E., non-union), fracture of the vertebra, neurological injury, and/or vascular or visceral injury.Possible adverse effects: initial or delayed loosening, bending, dislocation, and/or breakage of device components.Postoperative management: the surgeon should instruct the patient regarding the amount and time frame after surgery of any weight bearing activity.The increased risk of bending, dislocation, and/or breakage of the implanted devices, as well as an undesired surgical result are consequences of any type of early or excessive weight bearing, vibratory motion, falls, jolts or other movements preventing proper healing and/or fusion development.Implanted devices should be revised or removed if bent, dislocated, or broken.Immobilization should be considered in order to prevent bending, dislocation, or breakage of the implanted device in case of delayed, malunion, or nonunion of bone.Immobilization should continue until a complete bone fusion mass has developed and been confirmed.

• Brand Name: CALIBRATE NANOTEC PSX INTERBODY SYSTEM
• Common Device Name: INTERVERTEBRAL FUSION DEVICE WITH BONE GRAFT, LUMBAR
• Manufacturer (Section D): ALPHATEC SPINE, INC.; 1950 camino vida roble; carlsbad CA 92008
• Manufacturer (Section G): ALPHATEC SPINE, INC.; 1950 camino vida roble; carlsbad CA 92008
• Manufacturer Contact: michael hendrickson ; 1950 camino vida roble; carlsbad, CA 92008 ; 7603566777
• MDR Report Key: 25256459
• Report Number: 2027467-2026-00102
• Device Sequence Number: 14826742
• Product Code: MAX
• UDI-Device Identifier: 00190376529929
• UDI-Public: (01)00190376529929
• Combination Product (Y/N): N
• Initial Reporter State: OH
• Initial Reporter Country: US
• PMA/510(K) Number: K231438
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2025
• Serviced by Third Party (Y/N): N
• Reporter Type: Manufacturer
• Report Source: Company Representative
• Initial Reporter Occupation: Non-Healthcare Professional
• Type of Report: Initial
• Report Date (Section B): 05/22/2026

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: 420-PRO-09103000-S
• Device Catalogue Number: 420-PRO-09103000-S
• Was Device Available for Evaluation?: No
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 04/28/2026
• Initial Report FDA Received Date: 05/22/2026
• Was Device Evaluated by Manufacturer? (Y/N): No
• 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: Unknown