MAUDE Adverse Event Report: STRYKER GMBH GAMMA4 - TROCHANTERIC NAIL 170MM D10X170MM X 130DEG; ROD, FIXATION, INTRAMEDULLARY AND ACCESSORIES

Catalog Number	81300170S
Medical Device Problem Code	Fracture (1260)
Health Effect - Clinical Code	Nonunion/Delayed-union Bone Fracture (2369)
Date of Event	11/13/2025
Type of Reportable Event	Serious Injury
Additional Manufacturer Narrative
Additional information has been requested and if received, will be provided in the supplemental report.
Event or Problem Description
As reported: "a patient who underwent open reduction and internal fixation (orif) for a trochanteric fracture of the femur on (b)(6) 2025.A lag screw fractured at the screw hole site, necessitating revision surgery on (b)(6) 2025.The surgeon determined the cause to be a crack in the lateral wall of the proximal femur and inadequate reduction.The nail fracture was detected during a postoperative follow-up outpatient visit.The patient reported no pain or other symptoms.Although bone union had not occurred, no further fractures related to the nail fracture were identified.Update november 17, 2025 "only the nail broke.It broke at the screw hole where the lag screw is inserted.".
Additional Manufacturer Narrative
The reported event could not be confirmed since the device was not returned for evaluation and no other evidences were provided.A review of the device history for the reported lot did not indicate any abnormalities.No corrective actions are required at this time.A review of the labeling did not indicate any abnormalities.No indications of material, manufacturing or design related problems were found during the investigation.More detailed information about the complaint event as well as the affected device must be available in order to determine the root cause of the complaint event.Based on the available information it cannot be defined what role the reported crack in the lateral wall of the proximal femur and the inadequate reduction did play.If more information is provided, the case will be reassessed.
Event or Problem Description
As reported: "a patient who underwent open reduction and internal fixation (orif) for a trochanteric fracture of the femur on (b)(6) 2025.A lag screw fractured at the screw hole site, necessitating revision surgery on (b)(6) 2025.The surgeon determined the cause to be a crack in the lateral wall of the proximal femur and inadequate reduction.The nail fracture was detected during a postoperative follow-up outpatient visit.The patient reported no pain or other symptoms.Although bone union had not occurred, no further fractures related to the nail fracture were identified.Update november 17, 2025."only the nail broke.It broke at the screw hole where the lag screw is inserted.".

• Brand Name: GAMMA4 - TROCHANTERIC NAIL 170MM D10X170MM X 130DEG
• Common Device Name: ROD, FIXATION, INTRAMEDULLARY AND ACCESSORIES
• Manufacturer (Section D): STRYKER GMBH; bohnackerweg 1; postfach; selzach 2545 ; SZ 2545
• Manufacturer (Section G): STRYKER TRAUMA KIEL; prof. kuentscher-strasse 1-5; schoenkirchen/kiel D-242 32; GM D-24232
• Manufacturer Contact: dannielle stap ; 325 corporate drive; mahwah, NJ 07430 ; 2018315000
• MDR Report Key: 23790273
• Report Number: 0008031020-2025-02150
• Device Sequence Number: 10453645
• Product Code: HSB
• UDI-Device Identifier: 07613327479744
• UDI-Public: (01)07613327479744(17)340930(10)K1D7E67
• Combination Product (Y/N): N
• Initial Reporter Country: JA
• PMA/510(K) Number: K213328
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2025
• Device Explanted Year: 2025
• Reporter Type: Manufacturer
• Report Source: Health Professional
• Initial Reporter Occupation: Physician
• Type of Report: Initial,Followup
• Report Date (Section B): 02/17/2026

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: 81300170S
• Device Lot Number: K1D7E67
• Was Device Available for Evaluation?: No
• Is the Reporter a Health Professional?: Yes
• Type of Report(Section G): Follow-Up
• Initial Date Received by Manufacturer: 11/13/2025
• Supplement Date Received by Manufacturer: 01/22/2026
• Initial Report FDA Received Date: 12/12/2025
• Supplement Report FDA Received Date: 02/17/2026
• Was Device Evaluated by Manufacturer? (Y/N): No
• Date Device Manufactured: 10/01/2024
• 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 Sex: Unknown