MAUDE Adverse Event Report: ALCON GRIESHABER AG GRIESHABER REVOLUTION DSP FORCEPS; FORCEPS, OPHTHALMIC

Catalog Number	705.44P
Medical Device Problem Code	Activation Problem (4042)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	09/17/2025
Type of Reportable Event	Malfunction
Event or Problem Description
A customer reported that, during vitrectomy surgery an ophthalmic forceps did not work correctly.The surgery was completed on the same day by opening new forceps without any patient harm.
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 was provided in sections d.9, h.3, h.6 and h.11.The returned instrument was received in its outer blister, covered by the tyvek foil lid, shows the lot information.The inner blister which protects the instrument during the shipment was not used.The product shows macroscopic sign of damage, namely that the forceps arms are significant bent.There are no surgery residues.The instrument was visually inspected with the aid of a photomicroscope with various magnifications.The visual inspection shows the bent arms in detail.The level of damage as well as the missing inner blister suggest that the deformation was caused during the shipping process from the complainant to the investigation site.However, the point in time when the described damage occurred can no longer be determined conclusively nor can the situation that led to it be reconstructed.The customer¿s complaint is confirmed as the returned device is damaged, but a root cause for the reported issue cannot be determined.A review of the device history record traceable to the reported lot numbers, indicates that the reported product was processed and released according to the reported product¿s acceptance criteria.Non-conformance report provided by originator.A non-conformance-based review of the lot number was performed and did not reveal any potential contributing factors to the reported complaint it cannot be determined how or where the damage to the sample occurred.Therefore, the root cause for the customer's reported event could not be determined.As the root cause and its origin are inconclusive, further investigative or manufacturing actions are not warranted at this time.Receipt of additional relevant information or supporting materials will prompt a re-evaluation of the complaint investigation.Complaint data for all manufacturer products is reviewed monthly to monitor for adverse trends.During the last review, no adverse trends were observed for the reported product and event combination.The complaint data will continue to be monitored for evidence of adverse trending and further action will be taken, as appropriate.No further action warranted at this time.The manufacturer internal reference number is: (b)(4).

• Brand Name: GRIESHABER REVOLUTION DSP FORCEPS
• Common Device Name: FORCEPS, OPHTHALMIC
• Manufacturer (Section D): ALCON GRIESHABER AG; winkelriedstrasse 52; schaffhausen 8203 ; SZ 8203
• Manufacturer (Section G): ALCON GRIESHABER AG; winkelriedstrasse 52; schaffhausen 8203 ; SZ 8203
• Manufacturer Contact: jonathan schlech ; 6201 south freeway; mail stop ab2-6; fort worth, TX 76134 ; 8007579780
• MDR Report Key: 23323671
• Report Number: 3003398873-2025-00391
• Device Sequence Number: 13415008
• Product Code: HNR
• UDI-Device Identifier: 07612717070622
• UDI-Public: (01)07612717070622(17)280331(11)250417(10)17D1F5
• Combination Product (Y/N): N
• Initial Reporter State: WI
• 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
• Report Date (Section B): 11/20/2025

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: 705.44P
• Device Lot Number: 17D1F5
• Was Device Available for Evaluation?: Device Returned to Manufacturer
• Type of Report(Section G): Follow-Up
• Initial Date Received by Manufacturer: 09/24/2025
• Supplement Date Received by Manufacturer: 10/29/2025
• Initial Report FDA Received Date: 10/17/2025
• Supplement Report FDA Received Date: 11/20/2025
• Was Device Evaluated by Manufacturer? (Y/N): Yes
• Date Device Manufactured: 04/17/2025
• 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