MAUDE Adverse Event Report: ORTHALIGN, INC. ORTHALIGN PLUS SYSTEM; SURGICAL NAVIGATION SYSTEM

Model Number	403001-08
Medical Device Problem Code	Incorrect, Inadequate or Imprecise Result or Readings (1535)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	01/17/2023
Type of Reportable Event	Malfunction
Event or Problem Description
It was reported that during total knee arthroplasty the user put the orthalign plus unit and reference sensor on the femoral microblock.Did the femoral move to locate hip center.A "normal" looking cut read 20 degrees of f/e.When they adjusted the cutting block so the screen read 0 degrees the cut looked to be about -20 degrees in f/e.They took the unit/sensor off and powered down to re-pair.After that the move registration would not work.
Additional Manufacturer Narrative
At this time the product has not been returned for investigation.Once the product is returned an investigation into the alleged accuracy issue will be performed.With an abundance of caution this report is being filed with the understanding of the potential patient harm that could be caused to the patient by an inaccurate device measurement.

• Brand Name: ORTHALIGN PLUS SYSTEM
• Common Device Name: SURGICAL NAVIGATION SYSTEM
• Manufacturer (Section D): ORTHALIGN, INC.; 120 columbia; suite 500; aliso viejo CA 92656
• Manufacturer (Section G): ORTHALIGN, INC.; 120 columbia; suite 500; aliso viejo CA 92656
• Manufacturer Contact: karyl haskell ; 120 columbia; suite 500; aliso viejo, CA 92656
• MDR Report Key: 16392070
• Report Number: 3007521480-2023-00001
• Device Sequence Number: 5592819
• Product Code: OLO
• UDI-Device Identifier: 00810832031369
• UDI-Public: 00810832031369
• Combination Product (Y/N): N
• Initial Reporter State: CO
• Initial Reporter Country: US
• PMA/510(K) Number: K172462
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Serviced by Third Party (Y/N): Unknown
• Reporter Type: Manufacturer
• Report Source: Health Professional,User Facility
• Initial Reporter Occupation: Physician
• Type of Report: Initial
• Report Date (Section B): 02/16/2023

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: 403001-08
• Device Catalogue Number: 403001-08
• Device Lot Number: 221116057LS
• Was Device Available for Evaluation?: No
• Is the Reporter a Health Professional?: Yes
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 01/17/2023
• Initial Report FDA Received Date: 02/16/2023
• Was Device Evaluated by Manufacturer? (Y/N): Device Not Returned to Manufacturer
• 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