MAUDE Adverse Event Report: ALCON RESEARCH, LLC - ALCON PRECISION DEVICE MONARCH III IOL DELIVERY SYSTEM, INJECTOR; LENS, GUIDE, INTRAOCULAR

Model Number	III
Medical Device Problem Code	Difficult to Advance (2920)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	02/26/2026
Type of Reportable Event	Malfunction
Event or Problem Description
A health care professional reported that during an intraocular lens (iol) implant procedure, in several instances of the screw thread getting caught.The surgery completed without any issue.
Additional Manufacturer Narrative
Investigation including root cause analysis is in progress.A supplemental mdr will be filed as necessary in accordance with 21 cfr 803.56 when additional reportable information becomes available.The manufacturer internal reference number is: (b)(4).

• Brand Name: MONARCH III IOL DELIVERY SYSTEM, INJECTOR
• Common Device Name: LENS, GUIDE, INTRAOCULAR
• Manufacturer (Section D): ALCON RESEARCH, LLC - ALCON PRECISION DEVICE; 714 columbia avenue; sinking spring PA 19608
• Manufacturer (Section G): ALCON RESEARCH, LLC - ALCON PRECISION DEVICE; 714 columbia avenue; sinking spring PA 19608
• Manufacturer Contact: jonathan schlech ; 6201 south freeway; mail stop ab2-6; fort worth, TX 76134 ; 8007579780
• MDR Report Key: 24715433
• Report Number: 2523835-2026-00328
• Device Sequence Number: 20274540
• Product Code: KYB
• UDI-Device Identifier: 00380659777738
• UDI-Public: (01)00380659777738(17)340831(11)240920(10)172JE3
• Combination Product (Y/N): N
• Initial Reporter Country: JA
• PMA/510(K) Number: K063155
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Reporter Type: Manufacturer
• Report Source: Foreign,Health Professional
• Initial Reporter Occupation: Physician
• Type of Report: Initial,Followup
• Report Date (Section B): 07/21/2026

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 Model Number: III
• Device Catalogue Number: 8065977773
• Device Lot Number: 172JE3
• Was Device Available for Evaluation?: Device Returned to Manufacturer
• Is the Reporter a Health Professional?: Yes
• Type of Report(Section G): Follow-Up
• Initial Date Received by Manufacturer: 03/02/2026
• Supplement Date Received by Manufacturer: 06/30/2026
• Initial Report FDA Received Date: 03/30/2026
• Supplement Report FDA Received Date: 07/21/2026
• Was Device Evaluated by Manufacturer? (Y/N): Yes
• Date Device Manufactured: 09/20/2024
• Is This a Single-Use Device that was Reprocessed and Reused on a Patient? (Y/N): Yes
• Usage of Device: Reuse
• Patient Sequence Number: 1
• Concomitant Medical Products and Therapy/Usage Dates: MONARCH III IOL DELIVERY SYSTEM, CARTRIDGE C
• Patient Sex: Unknown