MAUDE Adverse Event Report: ALCON RESEARCH, LLC - ALCON PRECISION DEVICE A-OK OPHTHALMIC KNIVES; KNIFE, OPHTHALMIC

Catalog Number	8065992761
Medical Device Problem Code	Dull, Blunt (2407)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Type of Reportable Event	Malfunction
Event or Problem Description
The physician reported that seven ophthalmic knives from same lot were not sharp enough.The procedure was completed by replacing the knife.No patient harm was reported.Additional information has been requested but none received till date.
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).
Additional Manufacturer Narrative
Additional information is provided in sections h.6 and h.11.A sample was not received at the manufacturing site for evaluation for the report of knife not sharp enough; therefore, the condition of the product could not be verified.A review of the device history record traceable to the reported lot number, indicates that the reported product was processed and released according to the reported product¿s acceptance criteria.The photo attached to the parent complaint was reviewed by the manufacturing site.The photo is of a constellation screen, the reported product complaint could not be confirmed from the photo.A sample was not received at the manufacturing site and the device history record review of the lot number provided indicated the product was processed and released according to the product¿s acceptable criteria, therefore; the root cause for the customer complaint issue cannot be determined.The exact root cause for this complaint is unknown, therefore, specific action with regards to this complaint cannot be taken.All knives are 100% inspected by trained operators using a minimum of 10x magnification during manufacturing.Complaints are reviewed and monitored at regular intervals for any significant adverse trends.No adverse trends have been observed associated with the reported product and event.No additional action is required at this time.The manufacturer internal reference number is: (b)(4).

• Brand Name: A-OK OPHTHALMIC KNIVES
• Common Device Name: KNIFE, OPHTHALMIC
• 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: 21511496
• Report Number: 2523835-2025-00227
• Device Sequence Number: 19981165
• Product Code: HNN
• UDI-Device Identifier: 00380659927614
• UDI-Public: (01)00380659927614(17)290131(11)240229(10)16KT21
• Combination Product (Y/N): N
• Initial Reporter Country: MO
• PMA/510(K) Number: EXEMPT
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Reporter Type: Manufacturer
• Report Source: Foreign,Health Professional,Company Representative
• Initial Reporter Occupation: Physician
• Type of Report: Initial,Followup
• Report Date (Section B): 05/07/2025

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: 8065992761
• Device Lot Number: 16KT21
• Was Device Available for Evaluation?: No
• Is the Reporter a Health Professional?: Yes
• Type of Report(Section G): Initial
• Initial Date Received by Manufacturer: 02/12/2025
• Supplement Date Received by Manufacturer: 05/02/2025
• Initial Report FDA Received Date: 03/03/2025
• Supplement Report FDA Received Date: 05/07/2025
• Date Device Manufactured: 02/29/2024
• 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