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

Model Number	7050M-90
Medical Device Problem Code	Malposition of Device (2616)
Health Effect - Clinical Code	Arthralgia (2355)
Date of Event	04/06/2021
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 devices were out of specification.The most probable root cause is user error: implant malpositioning.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
In (b)(6) 2020, the patient had right si joint arthrodesis where three implants were installed.The patient later reported a recurrence of pain symptoms.The surgeon initially thought that there may have been slight lucency around the distal end of the superior positioned implant.The implant may also have been malpositioned slightly too anterior.In (b)(6) 2021, the surgeon performed a revision procedure where superior positioned implant using chisels as it was solidly fixed in bone.The explant showed significant good bone growth along its entire length and was not loose.He filled the explant void with bone graft.No other preexisting implants were adjusted or removed.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: 11767312
• Report Number: 3007700286-2021-00036
• Device Sequence Number: 14334416
• 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): 05/03/2021

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: 03/22/2023
• Device Model Number: 7050M-90
• Device Lot Number: 2631431
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 04/06/2021
• Initial Report FDA Received Date: 05/03/2021
• 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: Other
• Patient Age: 25 YR