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GAMMA 8160-0105SRecalls & reported problems

Stryker GmbH · Lag Screw · Class 2 · Implant

All models of GAMMA (249)

Data updated Oct 16, 2026 from official FDA records · Editorial policy

Adverse event reports
5
Deaths reported
0
Injuries reported
4
Recalls naming it
0

Summary

The FDA's MAUDE database contains 5 adverse event reports that list this exact device (DI 07613327511048), received between Jun 21, 2024 and Jul 10, 2026 — classified as 4 injuries, 1 malfunction.

The most frequently reported specific device problem is “Migration” (4 reports).

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 16, 2026.

Reports received per month

Nov 2023: 0 reportsDec 2023: 0 reportsJan 2024: 0 reportsFeb 2024: 0 reportsMar 2024: 0 reportsApr 2024: 0 reportsMay 2024: 0 reportsJun 2024: 1 reportsJul 2024: 1 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: 0 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: 1 reportsMay 2026: 0 reportsJun 2026: 0 reportsJul 2026: 1 reportsAug 2026: 0 reportsSep 2026: 0 reportsOct 2026: 0 reports2024202520261
Last 36 months. The most recent month may be incomplete.

Most reported problems

Device problems

  • Migration4
  • Malposition of Device2
  • Adverse Event Without Identified Device or Use Problem1
  • Patient Device Interaction Problem1
  • Positioning Failure1

Patient problems

  • Failure of Implant2
  • Implant Pain2
  • Insufficient Information2
  • Discomfort1
  • Pain1

Recent adverse event reports

The 5 most recent of 5 reports, in the reporter's own words as published by the FDA.

  • InjuryJul 10, 2026Malposition of Device; Migration

    THE FOLLOWING INFORMATION WAS REPORTED: MEDIAL MIGRATING LAG SCREW OF THE GAMMA4.

    Patient problems: Insufficient Information

    MAUDE report 25780771 ↗
  • MalfunctionApr 3, 2026Migration

    AS REPORTED: "LONG GAMMA WAS IMPLANTED FOR INTERTROCHANTERIC FRACTURE OF RIGHT HIP, ABNORMAL LAG SCREW BACK OUT WAS SEEN AT 2 WEEK POST OP X RAY(TIME FRAME OF LAG SCREW BACK OUT AS WELL AS THE AMOUNT OF BACK OUT".

    Patient problems: Insufficient Information

    MAUDE report 24778626 ↗
  • InjuryMay 9, 2025Adverse Event Without Identified Device or Use Problem; Patient Device Interaction Problem; Adverse Event Without Identified Device or Use Problem; Patient Device Interaction Problem

    AS REPORTED: "SUBJECT: (B)(6). STRYKER PEGASUS STUDY. PAIN: PATIENT HAS SOME SORENESS LATERALLY CONSISTENT WITH IRRITATION FROM THE LAG SCREW AFTER THE FRACTURE HEAD COMPRESSED AND HEALED."

    Patient problems: Discomfort; Implant Pain; Pain

    MAUDE report 21993225 ↗
  • InjuryJul 15, 2024Malposition of Device; Migration; Malposition of Device; Migration

    AS REPORTED: "A GAMMA 4 LAG SCREW BACK OUT. THIS CASE WAS REVISED WITH NEW NAIL AND SCREWS."

    Patient problems: Failure of Implant

    MAUDE report 19741444 ↗
  • InjuryJun 21, 2024Positioning Failure; Migration; Positioning Failure; Migration

    IT WAS REPORTED THAT A PATIENT WAS REVISED BECAUSE OF A MIGRATION OF THE GAMMA 4 LAG SCREW. PATIENT HAD PAIN 3 DAYS BEFORE THE REVISION SURGERY AND CAME IN FOR AN X-RAY WHERE THEY NOTICED THE LAG SCREW MIGRATED.

    Patient problems: Failure of Implant; Implant Pain

    MAUDE report 19588835 ↗

Other ROD, FIXATION, INTRAMEDULLARY AND ACCESSORIES devices

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Sources and updates

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