MAUDE Adverse Event Report: K2M, INC. DENALI SPINAL SYSTEM; PEDICLE SCREW SPINAL SYSTEM

Catalog Number	101-10001
Medical Device Problem Code	Migration or Expulsion of Device (1395)
Health Effect - Clinical Code	No Information (3190)
Date of Event	04/01/2015
Type of Reportable Event	Malfunction
Additional Manufacturer Narrative
A comprehensive investigation was immediately initiated on receipt of the complaint.The patient has not been revised and therefore the product was not returned to manufacturer for evaluation, and a thorough investigation could not be completed as no lot number has been identified/confirmed in this case.Since the set screw remains in the patient and no evaluation could be performed, the exact cause of the reported issue could not be ascertained.When more information becomes available manufacturer will file a follow-up report at that time.Remain in patient.
Event or Problem Description
It was reported to k2m, inc.On (b)(6) 2016 that a set screw back out occurred approximately 16 months post-op.
Additional Manufacturer Narrative
A comprehensive investigation was immediately initiated on receipt of the complaint.There are no plans to revise patient and therefore the product is not expected to be returned to manufacturer for evaluation.Since the set screw remains in the patient and no evaluation could be performed, the exact cause of the reported issue could not be ascertained.The screw density was below one screw per level, which may have placed more stress on the set screw and contributed to backing out.However, no root cause(s) could be determined.A general review of the manufacturing and inspection records did not reveal any contributing information/trends.Remain in patient.
Event or Problem Description
It was reported to k2m, inc.On (b)(6) 2016 that a set screw back out occurred approximately 16 months post-op.

• Brand Name: DENALI SPINAL SYSTEM
• Common Device Name: PEDICLE SCREW SPINAL SYSTEM
• Manufacturer (Section D): K2M, INC.; 600 hope parkway se; leesburg VA 20175
• MDR Report Key: 5756185
• Report Number: 3004774118-2016-00041
• Device Sequence Number: 16279119
• Product Code: NKB
• UDI-Device Identifier: 10888857003842
• UDI-Public: 10888857003842
• Combination Product (Y/N): N
• Initial Reporter State: VA
• Initial Reporter Country: US
• PMA/510(K) Number: K153031
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2013
• Reporter Type: Manufacturer
• Report Source: company representative
• Initial Reporter Occupation: Other
• Type of Report: Initial,Followup
• Report Date (Section B): 06/01/2016

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: Physician
• Device Catalogue Number: 101-10001
• Device Lot Number: UNKNOWN
• Was Device Available for Evaluation?: No
• Type of Report(Section G): FDA Requested
• Initial Date Received by Manufacturer: 06/01/2016
• Supplement Date Received by Manufacturer: Not provided
• Initial Report FDA Received Date: 06/28/2016
• Supplement Report FDA Received Date: 07/27/2016
• Is This a Single-Use Device that was Reprocessed and Reused on a Patient? (Y/N): No
• Patient Sequence Number: 1