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NA 04.045.781SRecalls & reported problems

Synthes GmbH · NUT Ø 14MM STERILE · Class 2 · Implant

Data updated Oct 18, 2026 from official FDA records · Editorial policy

Adverse event reports
9
Deaths reported
0
Injuries reported
9
Recalls naming it
0

Summary

The FDA's MAUDE database contains 9 adverse event reports that list this exact device (DI 10886982295934), received between Feb 24, 2022 and May 26, 2025 — classified as 9 injuries.

The most frequently reported specific device problem is “Migration” (5 reports).

2 other recalls cover devices cleared under the same FDA submission (K201346); they may or may not involve this specific model.

Reports come from manufacturers, hospitals and patients and are not verified by the FDA. A report does not prove the device caused the event, and counts can't be used to compare devices or estimate failure rates. What reports can and can't tell you · How this data works · Data updated Oct 18, 2026.

Reports received per month

Nov 2023: 3 reportsDec 2023: 0 reportsJan 2024: 0 reportsFeb 2024: 0 reportsMar 2024: 0 reportsApr 2024: 0 reportsMay 2024: 0 reportsJun 2024: 0 reportsJul 2024: 0 reportsAug 2024: 0 reportsSep 2024: 0 reportsOct 2024: 0 reportsNov 2024: 0 reportsDec 2024: 0 reportsJan 2025: 0 reportsFeb 2025: 0 reportsMar 2025: 0 reportsApr 2025: 1 reportsMay 2025: 1 reportsJun 2025: 0 reportsJul 2025: 0 reportsAug 2025: 0 reportsSep 2025: 0 reportsOct 2025: 0 reportsNov 2025: 0 reportsDec 2025: 0 reportsJan 2026: 0 reportsFeb 2026: 0 reportsMar 2026: 0 reportsApr 2026: 0 reportsMay 2026: 0 reportsJun 2026: 0 reportsJul 2026: 0 reportsAug 2026: 0 reportsSep 2026: 0 reportsOct 2026: 0 reports2024202520263
Last 36 months. The most recent month may be incomplete.

Most reported problems

Device problems

  • Migration5
  • Adverse Event Without Identified Device or Use Problem3
  • Device Slipped2

Patient problems

  • Insufficient Information5
  • Appropriate Clinical Signs, Symptoms and Conditions Term/Code Not Available2
  • Nonunion/Delayed-union Bone Fracture2
  • Pain2
  • Unspecified Infection2

Recent adverse event reports

The 9 most recent of 9 reports, in the reporter's own words as published by the FDA.

  • InjuryMay 26, 2025Migration; Migration

    IT WAS REPORTED THAT THE PATIENT WAS IMPLANTED WITH A RETROGRADE FEMORAL NAIL ADVANCED (RFNA) ON (B)(6) 2025. AN OPEN REDUCTION AND RETROGRADE INTRAMEDULLARY NAILING OF THE LEFT FEMUR SURGERY OCCURRED ON (B)(6) 2025. POST-OPERATIVELY X-RAYS SHOWED SIGNIFICANT BACK-OUT AND THE SCREW WAS PROMINENT. THE PATIENT HAD LIMITED FRACTURE HEALING AT THAT POINT, SO THE PATIENT UNDERWENT A REVISION PROCEDURE ON (B)(6) 2025, FOR SCREW EXCHANGE AND PLACEMENT OF A LOCKING NUT THAT THREADS ONTO THE SCREW. LATER IT WAS DISCOVERED THAT THE LOCKING NUT AND SCREW WERE DISENGAGED, AND THE SCREW WAS PARTIALLY BACKED OUT. ON (B)(6) 2025, ANOTHER SURGERY WAS PERFORMED FOR LEFT FEMUR REMOVAL OF HARDWARE, REVISION OF IM NAILING. POST-OPERATIVE FOLLOW-UP INDICATE THAT THE PATIENT APPEARS STABLE, AND IMAGING SHOWED NO LOOSENING OR FAILURES AT THE PRESENT TIME; THE FRACTURE ALIGNMENT REMAINS STABLE. THIS REPORT CAPTURES THE SECOND REMOVAL EVENT THAT OCCURRED ON (B)(6) 2025. THE FIRST REMOVAL EVENT THAT OCCURRED ON (B)(6) 2025, IS CAPTURED ON RELATED COMPLAINT (B)(4). THE THIRD REMOVAL EVENT THAT OCCURRED ON (B)(6) 2025, IS CAPTURED ON RELATED COMPLAINT (B)(4).

    Patient problems: Insufficient Information

    MAUDE report 22084217 ↗
  • InjuryApr 21, 2025Device Slipped; Migration; Device Slipped; Migration

    IT WAS REPORTED THAT PATIENT UNDERWENT A REVISION SURGERY ON (B)(6) 2025. THAT REVISION FAILED AND PATIENT UNDERWENT A SECOND REVISION SURGERY ON (B)(6) 2025. THIS IS THE SECOND FAILURE IN THE SAME MANNER FOR THIS PATIENT. THE REPLACEMENT SCREW, WASHER, AND LOCKING NUT HAVE BECOME LOOSE AND BEGUN TO BACK OUT. PATIENT WAS REVISED WITH A COMBINATION OF A COMPETITOR RETROGRADE NATURAL NAIL AND DEPUY SYNTHES 4.5 VALCP CURVED CONDYLAR PLATE.

    Patient problems: Insufficient Information

    MAUDE report 21872508 ↗
  • InjuryNov 27, 2023Migration; Migration

    DEVICE REPORT FROM JAPAN REPORTS AN EVENT AS FOLLOWS: IT WAS REPORTED THAT ON (B)(6) 2023, THE PATIENT UNDERWENT THE ORIF WITH THE NUT AND THE SCREW FOR THE DISTAL FEMORAL FRACTURE. THE SURGERY WAS COMPLETED SUCCESSFULLY WITHOUT ANY SURGICAL DELAY. AFTER SURGERY, FIXATION STRENGTH WAS CONFIRMED BY X-RAY. ON 02-NOVEMBER-2023, X-RAY SHOWED THAT THE TWO NUTS HAD DISLOCATED FROM THE SCREW ON THE MEDIAL SIDE AND THE SCREW WAS IN THE PROCESS OF DISLOCATING FROM THE NUT ON THE LATERAL SIDE. A REVISION SURGERY WAS SCHEDULED AND PERFORMED ON (B)(6) 2023, RFNA+SLP AND LCP WERE USED FOR IMPLANTS. THE SIDE LOCKING PLATES AND SCREW INSERTION WERE PERFORMED AS AN ADDITIONAL PROCEDURE. NO FURTHER INFORMATION IS AVAILABLE. THIS REPORT IS FOR A NUT Ø 14MM STERILE. THIS IS REPORT 5 OF 5 FOR (B)(4).

    Patient problems: Insufficient Information

    MAUDE report 18210160 ↗
  • InjuryNov 27, 2023Migration; Migration

    DEVICE REPORT FROM JAPAN REPORTS AN EVENT AS FOLLOWS: IT WAS REPORTED THAT ON (B)(6) 2023, THE PATIENT UNDERWENT THE ORIF WITH THE NUT AND THE SCREW FOR THE DISTAL FEMORAL FRACTURE. THE SURGERY WAS COMPLETED SUCCESSFULLY WITHOUT ANY SURGICAL DELAY. AFTER SURGERY, FIXATION STRENGTH WAS CONFIRMED BY X-RAY. ON (B)(6) 2023, X-RAY SHOWED THAT THE TWO NUTS HAD DISLOCATED FROM THE SCREW ON THE MEDIAL SIDE AND THE SCREW WAS IN THE PROCESS OF DISLOCATING FROM THE NUT ON THE LATERAL SIDE. A REVISION SURGERY WAS SCHEDULED AND PERFORMED ON (B)(6) 2023, RFNA+SLP AND LCP WERE USED FOR IMPLANTS. THE SIDE LOCKING PLATES AND SCREW INSERTION WERE PERFORMED AS AN ADDITIONAL PROCEDURE. NO FURTHER INFORMATION IS AVAILABLE. THIS REPORT IS FOR A NUT Ø 14MM STERILE. THIS IS REPORT 2 OF 5 FOR (B)(4).

    Patient problems: Insufficient Information

    MAUDE report 18210151 ↗
  • InjuryNov 27, 2023Migration; Migration

    DEVICE REPORT FROM JAPAN REPORTS AN EVENT AS FOLLOWS: IT WAS REPORTED THAT ON (B)(6) 2023, THE PATIENT UNDERWENT THE ORIF WITH THE NUT AND THE SCREW FOR THE DISTAL FEMORAL FRACTURE. THE SURGERY WAS COMPLETED SUCCESSFULLY WITHOUT ANY SURGICAL DELAY. AFTER SURGERY, FIXATION STRENGTH WAS CONFIRMED BY X-RAY. ON (B)(6) 2023, X-RAY SHOWED THAT THE TWO NUTS HAD DISLOCATED FROM THE SCREW ON THE MEDIAL SIDE AND THE SCREW WAS IN THE PROCESS OF DISLOCATING FROM THE NUT ON THE LATERAL SIDE. A REVISION SURGERY WAS SCHEDULED AND PERFORMED ON (B)(6) 2023, RFNA+SLP AND LCP WERE USED FOR IMPLANTS. THE SIDE LOCKING PLATES AND SCREW INSERTION WERE PERFORMED AS AN ADDITIONAL PROCEDURE. NO FURTHER INFORMATION IS AVAILABLE. THIS REPORT IS FOR A NUT Ø 14MM STERILE. THIS IS REPORT 1 OF 5 FOR (B)(4) .

    Patient problems: Insufficient Information

    MAUDE report 18210150 ↗
  • InjuryAug 15, 2023Adverse Event Without Identified Device or Use Problem; Adverse Event Without Identified Device or Use Problem

    ON (B)(6) 2022 THE PATIENT SUSTAINED INJURIES AS A RESULT OF TRIP AND FALL OVER A SECURITY BAND ON THE EXTERIOR SIDEWALK PREMISES OF THE STORE. AFTER A MECHANICAL FALL FROM STANDING, IMAGING SHOWED RIGHT DISTAL FEMUR FRACTURE AND LEFT PROXIMAL HUMERUS FRACTURE. ON (B)(6) 2022 THE PATIENT UNDERWENT IMN OF RIGHT FEMUR. OPEN REDUCTION INTERNAL FIXATION (ORIF) OF LEFT HUMERUS FRACTURE ON (B)(6) 2022. HE WAS DISCHARGED TO FOR ACUTE REHAB ON (B)(6) 2022. ON (B)(6) 2023 THE PATIENT WAS ADMITTED FOR RIGHT FEMUR NONUNION REVISION, WITH WORSENING RIGHT THIGH PAIN AND IMPAIRED MOBILITY. THE PATIENT HAD ANTIBIOTIC MANAGEMENT OF RIGHT FEMORAL OSTEOMYELITIS. THIS REPORT IS FOR A NUT Ø 14MM STERILE FOR (B)(4).

    Patient problems: Nonunion/Delayed-union Bone Fracture; Pain; Unspecified Infection

    MAUDE report 17549342 ↗
  • InjuryAug 15, 2023Adverse Event Without Identified Device or Use Problem; Adverse Event Without Identified Device or Use Problem

    ON (B)(6) 2022 THE PATIENT SUSTAINED INJURIES AS A RESULT OF TRIP AND FALL OVER A SECURITY BAND ON THE EXTERIOR SIDEWALK PREMISES OF THE STORE. AFTER A MECHANICAL FALL FROM STANDING, IMAGING SHOWED RIGHT DISTAL FEMUR FRACTURE AND LEFT PROXIMAL HUMERUS FRACTURE. ON (B)(6) 2022 THE PATIENT UNDERWENT IMN OF RIGHT FEMUR. OPEN REDUCTION INTERNAL FIXATION (ORIF) OF LEFT HUMERUS FRACTURE ON (B)(6) 2022. HE WAS DISCHARGED TO FOR ACUTE REHAB ON (B)(6) 2022. ON (B)(6) 2023 THE PATIENT WAS ADMITTED FOR RIGHT FEMUR NONUNION REVISION, WITH WORSENING RIGHT THIGH PAIN AND IMPAIRED MOBILITY. THE PATIENT HAD ANTIBIOTIC MANAGEMENT OF RIGHT FEMORAL OSTEOMYELITIS. THIS REPORT IS FOR A NUT 14MM STERILE FOR (B)(4).

    Patient problems: Nonunion/Delayed-union Bone Fracture; Pain; Unspecified Infection

    MAUDE report 17548725 ↗
  • InjuryMar 10, 2022Device Slipped

    IT WAS REPORTED THAT ON UNKNOWN DATE, THE PATIENT UNDERWENT REMOVAL SURGERY DUE TO THE SCREW AND NUT THAT BACKED OUT. THE SCREW WAS REMOVED 6 MONTHS AFTER THE INITIAL SURGERY BECAUSE IT WAS PROMINENT. NO FURTHER INFORMATION PROVIDED. THIS REPORT IS FOR ONE (1) NUT 14MM STERILE. THIS IS REPORT 2 OF 2 FOR (B)(4).

    Patient problems: Appropriate Clinical Signs, Symptoms and Conditions Term/Code Not Available

    MAUDE report 13720108 ↗
  • InjuryFeb 24, 2022Adverse Event Without Identified Device or Use Problem; Adverse Event Without Identified Device or Use Problem

    IT WAS REPORTED THAT ON (B)(6) 2022, THE SURGEON REMOVED THE UNKNOWN DISTAL LOCKING SCREW AND UNKNOWN NUT FOR AN UNKNOWN REASON. THE PROCEDURE AND PATIENT OUTCOME ARE UNKNOWN. THIS REPORT IS FOR ONE (1) UNK - NUTS THIS IS REPORT 2 OF 2 FOR (B)(4).

    Patient problems: Appropriate Clinical Signs, Symptoms and Conditions Term/Code Not Available

    MAUDE report 13591790 ↗

Recalls under the same FDA submission

These recalls involve devices cleared under K201346. One submission often covers many models, so check the product and lot details in each record.

  • Z-0228-2026 · Sep 26, 2025 · Open, Classified
    LOW PROF LCKNG SCREW, F/IM NAIL 5.0MM / L, 46MM / XL25/ STER. Product Code: 04.045.346TS. Used in RFN-ADVANCEDTM Retrograde Femoral Nailing (RFNA) System and the Tibial Nail A
  • Z-0229-2026 · Sep 26, 2025 · Open, Classified
    LOW PROF LCKNG SCREW, F/IM NAIL 5.0MM / L, 42MM / XL25/ STER. Product Code: 04.045.342TS. Used in RFN-ADVANCEDTM Retrograde Femoral Nailing (RFNA) System and the Tibial Nail A

Other Screw, fixation, bone devices

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Sources and updates

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