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

Catalog Number	8065982865
Medical Device Problem Code	Dull, Blunt (2407)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	09/12/2024
Type of Reportable Event	Malfunction
Event or Problem Description
A customer reported that during cataract surgery, the ophthalmic cutting blades were found to be dull during use.The surgery was completed by using new blade.There was no patient impact reported.
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).H.10 reflects all related report numbers associated with this product event that have been submitted at this time.
Additional Manufacturer Narrative
Corrected information was provided in section d.4.The manufacturer internal reference number is: (b)(4).H.10 reflects all related report numbers associated with this product event that have been submitted at this time.
Additional Manufacturer Narrative
Corrected information is provided in section d.9.Additional information is provided in sections h.3, h.6 and h.11.One opened knife, without sheathing and blade exposed, in a blister was received for the report of dull blades.Sample was visually inspected and found to be nonconforming with damaged cutting edge and bent 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 damaged cutting edge and bent tip; therefore, a bent knife prior to patient contact bent was confirmed; however, how and when the tip of the knife bent could not be determined.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 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 sample, 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).H.10 reflects all related report numbers associated with this product event that have been submitted at this time.

• 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: 20471248
• Report Number: 2523835-2024-02229
• Device Sequence Number: 7519285
• Product Code: HNN
• UDI-Device Identifier: 00380659828652
• UDI-Public: (01)00380659828652(17)290131(11)240208(10)16J9C9(21)NA
• Combination Product (Y/N): N
• Initial Reporter State: MO
• Initial Reporter Country: US
• PMA/510(K) Number: EXEMPT
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Reporter Type: Manufacturer
• Initial Reporter Occupation: Non-Healthcare Professional
• Type of Report: Initial,Followup,Followup
• Report Date (Section B): 12/20/2024

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: 8065982865
• Device Lot Number: 16J9C9
• Was Device Available for Evaluation?: Yes
• Date Returned to Manufacturer: 10/07/2024
• Type of Report(Section G): Follow-Up
• Initial Date Received by Manufacturer: 09/20/2024
• Supplement Date Received by Manufacturer: 10/17/2024; 12/16/2024
• Initial Report FDA Received Date: 10/17/2024
• Supplement Report FDA Received Date: 11/11/2024; 12/20/2024
• Was Device Evaluated by Manufacturer? (Y/N): Yes
• 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