MAUDE Adverse Event Report: MAKO SURGICAL CORP. 2.7 DEGREE ANGLED SAGITAL SAW; ORTHOPEDIC STEREOTAXIC INSTRUMENT

Catalog Number	212480
Medical Device Problem Codes	Mechanical Problem (1384); Application Program Problem: Parameter Calculation Error (1449)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	11/27/2025
Type of Reportable Event	Malfunction
Event or Problem Description
The following information was provided: the sagittal attachment from the mako saw vibrates abnormally.Update from mps on (b)(6) 2025: all i can say is that we were able to make the incisions, but the surgeon felt that there was an up-and-down oscillation in addition to the normal oscillation.In addition, it made a different noise than usual.Unfortunately, i can't say any more than that.I hope this has been helpful to you nonetheless.
Additional Manufacturer Narrative
An event regarding mechanical failure involving a mako saw attachment was reported.The event was not confirmed because the product was not available for inspection.Method & results: product evaluation and results: material analysis, visual, functional and dimensional inspections could not be performed as the device was not returned.Clinician review: no medical records were received for review with a clinical consultant.Product history review: review of the device history records indicate devices were manufactured and accepted into final stock with no relevant reported discrepancies.Review of the device history records indicate devices were manufactured and accepted into final stock on with no relevant reported discrepancies.Complaint history review: there have been other complaints with similar event(s) for the lot referenced.Conclusions: the alleged failure mode was not confirmed because the product was not available for inspection.No additional investigation or specific actions are required.If additional information is received then the complaint will be reopened.
Event or Problem Description
No new information.

• Brand Name: 2.7 DEGREE ANGLED SAGITAL SAW
• Common Device Name: ORTHOPEDIC STEREOTAXIC INSTRUMENT
• Manufacturer (Section D): MAKO SURGICAL CORP.; 3365 enterprise ave; weston FL 33331
• Manufacturer (Section G): MAKO SURGICAL CORP.; 3365 enterprise ave; weston FL 33331
• Manufacturer Contact: deepan raju srinivasan ; 325 corporate drive; mahwah, NJ 07430 ; 2018315000
• MDR Report Key: 23825988
• Report Number: 3005985723-2025-00614
• Device Sequence Number: 5031892
• Product Code: OLO
• UDI-Device Identifier: 00848486032128
• UDI-Public: 00848486032128
• Combination Product (Y/N): N
• Initial Reporter Country: SZ
• PMA/510(K) Number: K172219
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Reporter Type: Manufacturer
• Report Source: Health Professional
• Initial Reporter Occupation: Physician
• Type of Report: Initial,Followup
• Report Date (Section B): 04/21/2026

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 Catalogue Number: 212480
• Device Lot Number: 35021021 / 3520367
• Was Device Available for Evaluation?: No
• Is the Reporter a Health Professional?: Yes
• Type of Report(Section G): Initial
• Initial Date Received by Manufacturer: 11/27/2025
• Supplement Date Received by Manufacturer: 03/26/2026
• Initial Report FDA Received Date: 12/17/2025
• Supplement Report FDA Received Date: 04/21/2026
• Was Device Evaluated by Manufacturer? (Y/N): No
• Date Device Manufactured: 05/18/2022
• Is the Device Labeled for Single Use? (Y/N): No
• Is This a Single-Use Device that was Reprocessed and Reused on a Patient? (Y/N): No
• Usage of Device: Reuse
• Patient Sequence Number: 1
• Patient Sex: Male