MAUDE Adverse Event Report: TORNIER INC ASCEND HUMERAL STEM SIZE 1C BOM; PROSTHESIS, SHOULDER, SEMI-CONSTRAINED, METAL/POLYMER CEMENTED

Catalog Number	503301C
Medical Device Problem Codes	Material Erosion (1214); Adverse Event Without Identified Device or Use Problem (2993)
Health Effect - Clinical Codes	Erosion (1750); Joint Dislocation (2374); Subluxation (4525)
Date of Event	09/16/2024
Type of Reportable Event	Serious Injury
Additional Manufacturer Narrative
The reported event that one patient required revision surgery could not be confirmed, since the device was not returned for evaluation, and no other additional information was received from the national joint registry.More detailed information about the patient's medical history, the event details and the involved device(s) must be available to determine the root cause.If any additional information becomes available, the investigation will be reopened and re-evaluated accordingly.Please note, that reports received from the national joint registry are not published reports and therefore web link is not available.
Event or Problem Description
The manufacturer received a report from the national joint registry that contains unpublished collected data on the usage and the outcomes of the shoulder replacement.The report details analysis provided for revision procedures performed until (b)(6) 2025.During the review of the report, it was identified that on (b)(6) 2024 a patient required revision surgery due to native glenoid surface erosion with dislocation and subluxation which was not previously reported to the manufacturer.Revision procedure type: revision stemless hemiarthroplasty.

• Brand Name: ASCEND HUMERAL STEM SIZE 1C BOM
• Common Device Name: PROSTHESIS, SHOULDER, SEMI-CONSTRAINED, METAL/POLYMER CEMENTED
• Manufacturer (Section D): TORNIER INC; 10801 nesbitt avenue s; bloomington MN 55437
• Manufacturer (Section G): WRIGHT MEDICAL CORK (TORNIER ORTHOPEDICS IRELAND LTD); harnetts cross; macroom, co. cork NA ; EI NA
• Manufacturer Contact: anna jusinski ; 325 corporate drive; mahwah, NJ 07430 ; 2018315000
• MDR Report Key: 21469189
• Report Number: 0001649390-2025-00112
• Device Sequence Number: 14347610
• Product Code: KWS
• UDI-Device Identifier: 00846832004416
• UDI-Public: 00846832004416
• Combination Product (Y/N): N
• Initial Reporter Country: UK
• PMA/510(K) Number: K150583
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2016
• Device Explanted Year: 2024
• Reporter Type: Manufacturer
• Report Source: Other
• Initial Reporter Occupation: Other
• Type of Report: Initial
• Report Date (Section B): 02/26/2025

1 Device was Involved in the Event

1 Patient was Involved in the Event

• Is this an Adverse Event Report?: Yes
• Is this a Product Problem Report?: Yes
• Operator of Device: Lay User/Patient
• Device Catalogue Number: 503301C
• Device Lot Number: 3548AO
• Was Device Available for Evaluation?: No
• Type of Report(Section G): Initial
• Initial Date Received by Manufacturer: 01/27/2025
• Initial Report FDA Received Date: 02/26/2025
• Was Device Evaluated by Manufacturer? (Y/N): No
• Is the Device Labeled for Single Use? (Y/N): Yes
• 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
• Outcome Attributed to Adverse Event: Required Intervention
• Patient Age: 62 YR
• Patient Sex: Male