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VIPER 186715650Recalls & reported problems

Medos International Sàrl · VIPER SYSTEM CANNULATED POLYAXIAL SCREW 5.5 x 6 x 50mm · Class 2 · Implant

All models of VIPER (121)

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

Adverse event reports
7
Deaths reported
0
Injuries reported
3
Recalls naming it
0

Summary

The FDA's MAUDE database contains 7 adverse event reports that list this exact device (DI 10705034122366), received between Oct 26, 2017 and Jan 5, 2024 — classified as 3 injuries, 4 malfunctions.

The most frequently reported specific device problem is “Detachment of Device or Device Component” (2 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: 1 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: 0 reportsMay 2025: 0 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 reports2024202520261
Last 36 months. The most recent month may be incomplete.

Most reported problems

Device problems

  • Detachment of Device or Device Component2
  • Loose or Intermittent Connection2
  • Material Deformation1
  • Material Split, Cut or Torn1
  • Migration1

Patient problems

  • No Code Available2
  • No Consequences Or Impact To Patient2
  • Unspecified Infection2
  • Insufficient Information1
  • Joint Laxity1
  • Nerve Damage1
  • No Clinical Signs, Symptoms or Conditions1
  • No Known Impact Or Consequence To Patient1

Recent adverse event reports

The 7 most recent of 7 reports, in the reporter's own words as published by the FDA.

  • InjuryJan 5, 2024Migration; Migration

    THIS REPORT IS BEING FILED AFTER THE REVIEW OF A CLINICAL EVALUATION REPORT (CER) FROM A DATABASE RELATED RESEARCH ACTIVITY (DRRA): SPINE TANGO SOA REPORT - TLIF. THE FOLLOWING COMPLICATIONS HAVE BEEN IDENTIFIED: IMPLANT FAILURE, IMPLANT MALPOSITION, INSTABILITY, NEUROCOMPRESSION, OTHER COMPLICATION TIME/INTERVENTION REPEAT SURGERY. THIS REPORT IS FOR ONE (1) MIS CANN POLY SCW 6X50MM,TI . THIS IS REPORT 1 OF 4 FOR COMPLAINT (B)(4).

    Patient problems: Insufficient Information; Joint Laxity; Nerve Damage

    MAUDE report 18450386 ↗
  • MalfunctionJun 2, 2023Material Deformation; Material Deformation

    THE PROCEDURE WAS COMPLETED SUCCESSFULLY WITH NO SURGICAL DELAY. THERE WAS NO ADVERSE PATIENT IMPACT.

    Patient problems: No Clinical Signs, Symptoms or Conditions

    MAUDE report 17049795 ↗
  • MalfunctionApr 9, 2020Detachment of Device or Device Component; Detachment of Device or Device Component

    DEVICE REPORT FROM SYNTHES REPORTS AN EVENT IN (B)(6) AS FOLLOWS: IT WAS REPORTED THAT ON (B)(6) 2020, THERE WAS A LOSS OF THE SCREW HEAD WHILE JOLLYING INTO THE PEDICLE. THE PEDICLE WAS SCLEROTIC. THERE WAS A SURGICAL DELAY OF FIFTEEN (15) MINUTES. NO ADVERSE PATIENT HARM WAS REPORTED. THIS REPORT IS FOR ONE (1) VIPER SYSTEM CANNULATED POLYAXIAL SCREW 5.5 X 6 X 50MM. THIS IS REPORT 1 OF 1 FOR (B)(4).

    Patient problems: No Consequences Or Impact To Patient

    MAUDE report 9943604 ↗
  • MalfunctionOct 30, 2019Material Split, Cut or Torn; Material Split, Cut or Torn

    4 NUTS BROKE, WHEN WERE SCREWING INTO THE SCREW IN TURN. THEN THE SCREW WAS UNSCREWED AND A THREAD DEFECT WAS DETECTED ON ITSELF.

    Patient problems: No Consequences Or Impact To Patient

    MAUDE report 9255164 ↗
  • InjuryOct 3, 2019Loose or Intermittent Connection; Loose or Intermittent Connection

    IT WAS REPORTED ON AN UNKNOWN DATE, PATIENT WAS IN AN ACCIDENT IN (B)(6) AND TAKEN TO A (B)(6) TRAUMA CENTER FOR A T12 COMPRESSION FRACTURE. PATIENT WAS INSTRUMENTED PERCUTANEOUSLY FROM T10-L2 USING DSS VIPER SYSTEM LAST (B)(6) 2019. UPON RETURN TO THE US, PATIENT WAS BENDING AND HEARD/FELT A POP. HE CAME TO THE ER AND IMAGES REVEALED THE HARDWARE HAD DISASSEMBLED. SEVERAL SET SCREWS WERE DISPLACED AND THE ROD HAD COME OUT OF THE SCREW SADDLE. DURING THE REVISION SURGERY, ON (B)(6) 2019, IT WAS FOUND THAT ALL OF THE SET SCREWS WERE LOOSE AND SOME WERE SITTING EXTREMELY PROUD IN THE SCREW SADDLE. HARDWARE WAS REMOVED, REPLACED, AND SUFFICIENTLY LOCKED. THERE WAS A HARDWARE FAILURE AND INFECTION. THERE WAS A PATIENT CONSEQUENCE. PROCEDURE OUTCOME IS UNKNOWN. CONCOMITANT DEVICE REPORTED: VIPER2 STRAIGHT ROD-160MM (PART# 186789160, LOT# UNKNOWN, QUANTITY 1), VIPER2 STRAIGHT ROD-180MM (PART# 186789180, LOT# UNKNOWN, QUANTITY 1). THIS COMPLAINT INVOLVES SIXTEEN (16) DEVICES.

    Patient problems: No Code Available; Unspecified Infection

    MAUDE report 9153327 ↗
  • InjuryOct 3, 2019Loose or Intermittent Connection; Loose or Intermittent Connection

    IT WAS REPORTED ON AN UNKNOWN DATE, PATIENT WAS IN AN ACCIDENT IN (B)(6) AND TAKEN TO A SWISS TRAUMA CENTER FOR A T12 COMPRESSION FRACTURE. PATIENT WAS INSTRUMENTED PERCUTANEOUSLY FROM T10-L2 USING DSS VIPER SYSTEM LAST (B)(6) 2019. UPON RETURN TO THE US, PATIENT WAS BENDING AND HEARD/FELT A POP. HE CAME TO THE ER AND IMAGES REVEALED THE HARDWARE HAD DISASSEMBLED. SEVERAL SET SCREWS WERE DISPLACED AND THE ROD HAD COME OUT OF THE SCREW SADDLE. DURING THE REVISION SURGERY, ON (B)(6) 2019, IT WAS FOUND THAT ALL OF THE SET SCREWS WERE LOOSE AND SOME WERE SITTING EXTREMELY PROUD IN THE SCREW SADDLE. HARDWARE WAS REMOVED, REPLACED, AND SUFFICIENTLY LOCKED. THERE WAS A HARDWARE FAILURE AND INFECTION. THERE WAS A PATIENT CONSEQUENCE. PROCEDURE OUTCOME IS UNKNOWN. CONCOMITANT DEVICE REPORTED: VIPER2 STRAIGHT ROD-160MM (PART# 186789160, LOT# UNKNOWN, QUANTITY 1), VIPER2 STRAIGHT ROD-180MM (PART# 186789180, LOT# UNKNOWN, QUANTITY 1). THIS COMPLAINT INVOLVES SIXTEEN (16) DEVICES.

    Patient problems: No Code Available; Unspecified Infection

    MAUDE report 9152166 ↗
  • MalfunctionOct 26, 2017Detachment of Device or Device Component; Detachment of Device or Device Component

    THE SCREW HEAD WAS LOOSE FROM THE SCREW BODY. THE SCREW HAS NEVER BEEN USED BEFORE.

    Patient problems: No Known Impact Or Consequence To Patient

    MAUDE report 6980968 ↗

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Sources and updates

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