MAUDE Adverse Event Report: SI-BONE, INC. IFUSE IMPLANT SYSTEM; ORTHOPEDIC ROD

Model Number	7050M
Medical Device Problem Code	Malposition of Device (2616)
Health Effect - Clinical Code	Undesired Nerve Stimulation (1980)
Date of Event	09/30/2021
Type of Reportable Event	Serious Injury
Additional Manufacturer Narrative
Based on the information provided, review of the surgical technique manual, ifu, certificates of conformance and fmea, there is no indication of device failure and no indication that the device was out of specification.The most probable root cause is user error: using too long of an implant or installing the implant too deep.Additionally, per the surgical technique manual, the surgeon is instructed as follows: "prior to closure, always obtain final fluoroscopic images in the lateral, inlet, and outlet views to confirm no cortical wall breach, foramen breach, or other malposition.".
Event or Problem Description
The patient had right side si joint arthrodesis in (b)(6) 2017 where three implants were installed.The surgeon performed an additional procedure to add an implant of the same type in a more inferior position and a bone implant in (b)(6) 2020 to help fixate the joint.The patient later reported right side radicular pain.The surgeon believed that the metallic implant added in (b)(6) 2020 may have been impinging on the neuroforamen.In (b)(6) 2021, the surgeon performed a revision where he removed the inferior positioned implant using chisels as it was solidly fixed in bone.No additional hardware was added.None of the other preexisting implants were adjusted or removed.The surgeon performed an l5-s1 laminectomy concurrently with revision.The status of the patient following the revision procedure is not known.

• Brand Name: IFUSE IMPLANT SYSTEM
• Common Device Name: ORTHOPEDIC ROD
• Manufacturer (Section D): SI-BONE, INC.; 471 el camino real; suite 101; santa clara CA 95050 4482
• MDR Report Key: 12713088
• Report Number: 3007700286-2021-00113
• Device Sequence Number: 20063713
• Product Code: OUR
• UDI-Device Identifier: 00851085007367
• UDI-Public: 00851085007367
• Combination Product (Y/N): N
• Initial Reporter State: CA
• Initial Reporter Country: US
• PMA/510(K) Number: K193524
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2020
• Device Explanted Year: 2021
• Serviced by Third Party (Y/N): Unknown
• Reporter Type: Manufacturer
• Report Source: company representative
• Initial Reporter Occupation: Physician
• Type of Report: Initial
• Report Date (Section B): 10/27/2021

1 Device was Involved in the Event

1 Patient was Involved in the Event

• Is this an Adverse Event Report?: Yes
• Is this a Product Problem Report?: No
• Operator of Device: Health Professional
• Device Expiration Date: 02/12/2024
• Device Model Number: 7050M
• Device Lot Number: 2666561
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 09/30/2021
• Initial Report FDA Received Date: 10/28/2021
• Is This a Single-Use Device that was Reprocessed and Reused on a Patient? (Y/N): No
• Patient Sequence Number: 1
• Outcome Attributed to Adverse Event: Required Intervention
• Patient Age: 76 YR