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

Catalog Number	8065992747
Medical Device Problem Code	Dull, Blunt (2407)
Health Effect - Clinical Code	Insufficient Information (4580)
Date of Event	09/27/2024
Type of Reportable Event	Malfunction
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).
Event or Problem Description
A nurse reported that before cataract surgery an ophthalmic cutting blades were very blunt and could not make incisions.Patient impact was not reported.
Additional Manufacturer Narrative
Additional information is provided in sections d.9, h.3, h.6 and h.11.One opened 2.75mm clearcut slit knife, in sheathing, in blister was received for the report of knife blade very blunt, could not make incisions on patient.Sample was visually inspected and was found to be nonconforming with damaged cutting edge and damaged tip.Penetration testing could not be performed due to the damage of the sample.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 exact root cause could not be determined from the investigation performed.The returned sample is visually non-conforming with the blade had damaged cutting edge and damaged tip therefore, a blunt knife.The damage to the returned sample is consistent with damage that can occur when the blade contacts a hard surface such as the protective blade tray when product is improperly removed or inserted after use, or improper handling, or contact with another instrument during surgery or set-up.The damage seen on the returned complaint samples could have contributed to the customers reported issue of dull knife.The exact root cause for the damaged knife sample 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.Any nonconformance, such as the damaged tip and damaged cutting edge exhibited on the returned opened samples, is removed from the lot and scrapped.Functional penetration testing is performed and monitored during the finishing process to ensure the sharpness of the product.Complaints are reviewed and monitored at regular intervals for any significant adverse trends.The manufacturer internal reference number is: (b)(4).

• Brand Name: CLEARCUT 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: 20540319
• Report Number: 2523835-2024-02250
• Device Sequence Number: 20493389
• Product Code: HNN
• UDI-Device Identifier: 00380659927478
• UDI-Public: (01)00380659927478(17)290131(11)240208(10)16J9AU
• Combination Product (Y/N): N
• Initial Reporter Country: CH
• 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: Nurse
• Type of Report: Initial,Followup
• Report Date (Section B): 01/20/2025

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: 8065992747
• Device Lot Number: 16J9AU
• Was Device Available for Evaluation?: Device Returned to Manufacturer
• Is the Reporter a Health Professional?: Yes
• Type of Report(Section G): Initial
• Initial Date Received by Manufacturer: 09/29/2024
• Supplement Date Received by Manufacturer: 12/30/2024
• Initial Report FDA Received Date: 10/26/2024
• Supplement Report FDA Received Date: 01/20/2025
• Date Device Manufactured: 02/08/2024
• 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