VIPER 186715745Recalls & reported problems
Medos International Sàrl · VIPER SYSTEM CANNULATED POLYAXIAL SCREW 5.5 x 7 x 45mm · Class 2 · Implant
All models of VIPER (121)
Data updated Oct 16, 2026 from official FDA records · Editorial policy
- Adverse event reports
- 6
- Deaths reported
- 0
- Injuries reported
- 4
- Recalls naming it
- 0
Summary
The FDA's MAUDE database contains 6 adverse event reports that list this exact device (DI 10705034122526), received between Nov 10, 2020 and Dec 5, 2023 — classified as 4 injuries, 2 malfunctions.
The most frequently reported specific device problem is “Material Twisted/Bent” (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
Most reported problems
Device problems
- Adverse Event Without Identified Device or Use Problem4
- Material Twisted/Bent2
- Device-Device Incompatibility1
Patient problems
- Hypersensitivity/Allergic reaction4
- No Code Available4
- Insufficient Information1
- No Clinical Signs, Symptoms or Conditions1
Recent adverse event reports
The 6 most recent of 6 reports, in the reporter's own words as published by the FDA.
MalfunctionDec 5, 2023Device-Device Incompatibility; Material Twisted/Bent; Device-Device Incompatibility; Material Twisted/Bent
DEVICE REPORT FROM TAIWAN REPORTS AN EVENT AS FOLLOWS: IT WAS REPORTED THAT DURING AN OPERATION ON 13-NOVEMBER-2023, THE NAIL SCREW IN QUESTION COULD NOT BE TIGHTENED SUCCESSFULLY. THE SURGEON NEEDED TO TAKE ALL IMPLANTED HARDWARE OUT AND REPLACE THE NAIL SCREW. THE PROCEDURE WAS COMPLETED SUCCESSFULLY WITH AN UNKNOWN SURGICAL DELAY. THERE WAS NO REPORTED ADVERSE PATIENT IMPACT. NO FURTHER INFORMATION IS AVAILABLE. THIS REPORT IS FOR A VIPER SYSTEM CANNULATED POLYAXIAL SCREW 5.5 X 7 X 45MM. THIS IS REPORT 1 OF 1 FOR (B)(4).
Patient problems: Insufficient Information
MAUDE report 18266837 ↗MalfunctionMar 29, 2023Material Twisted/Bent; Material Twisted/Bent
DEVICE REPORT FROM SYNTHES REPORTS AN EVENT IN SOUTH KOREA AS FOLLOWS: IT WAS REPORTED THAT ON (B)(6) 2023, THE SCREW HEAD THREAD WORE OUT UPON CAP CLOSING. THE SURGERY WAS DELAYED BY 5 MINUTES DUE TO THE EVENT, BUT WAS SUCCESSFULLY COMPLETED. THERE WAS NO PATIENT CONSEQUENCE. THIS REPORT INVOLVES ONE VIPER SYSTEM CANNULATED POLYAXIAL SCREW 5.5 X 7 X 45MM. THIS IS REPORT 1 OF 1 FOR (B)(4).
Patient problems: No Clinical Signs, Symptoms or Conditions
MAUDE report 16639619 ↗InjuryNov 10, 2020Adverse Event Without Identified Device or Use Problem; Adverse Event Without Identified Device or Use Problem
DEVICE REPORT FROM SYNTHES REPORTS AN EVENT IN (B)(6) AS FOLLOWS: IT WAS REPORTED THAT THE PATIENT UNDERWENT MIS TRANSFORAMINAL LUMBAR INTERBODY FUSION (TLIF) PROCEDURE ON (B)(6) 2019. AFTER TEN (10) DAYS, THE PATIENT DEVELOPED RASHES AND ITCHING ON HIS FULL BODY. THE PATIENT IS STILL EXPERIENCING THE RASH AND ITCHING AFTER CONSULTING WITH RHEUMATOLOGIST, IMMUNOLOGIST, GASTROENTEROLOGIST, GENERAL MEDICINE, AT VARIOUS HOSPITALS. THERE IS NO FURTHER INFORMATION AVAILABLE. THIS REPORT IS FOR ONE (1) MIS CANN POLY SCW 7 X 45MM,TI. THIS IS REPORT 6 OF 10 FOR (B)(4).
Patient problems: Hypersensitivity/Allergic reaction; No Code Available
MAUDE report 10820290 ↗InjuryNov 10, 2020Adverse Event Without Identified Device or Use Problem; Adverse Event Without Identified Device or Use Problem
DEVICE REPORT FROM SYNTHES REPORTS AN EVENT IN (B)(6) AS FOLLOWS: IT WAS REPORTED THAT THE PATIENT UNDERWENT MINIMALLY INVASIVE SURGICAL (MIS) TRANSFORAMINAL LUMBAR INTERBODY FUSION (TLIF) PROCEDURE ON (B)(6) 2019. AFTER 10 DAYS PATIENT DEVELOPED RASHES AND ITCHING ON HIS FULL BODY. EVEN AFTER CONSULTING SPECIALIST LIKE RHEUMATOLOGIST, IMMUNOLOGIST, GASTROENTEROLOGIST, GENERAL MEDICINE, AT VARIOUS HOSPITALS, PATIENT IS STILL SUFFERING THE SAME. AT PRESENT, THE PATIENT WANTS TO CONFIRM WITH THE COMPANY THAT IT IS NOT BECAUSE OF THE MATERIALS IMPLANTED. CURRENTLY THERE IS NO PLAN FOR ANY REVISION SURGERY. NO FURTHER INFORMATION PROVIDED THIS REPORT IS FOR ONE (1) MIS CANN POLY SCW 7X45MM,TI. THIS IS REPORT 4 OF 4 FOR COMPLAINT (B)(4). ADDITIONAL DEVICES ARE REPORTED UNDER RELATED COMPLAINT (B)(4) AND (B)(4).
Patient problems: Hypersensitivity/Allergic reaction; No Code Available
MAUDE report 10819523 ↗InjuryNov 10, 2020Adverse Event Without Identified Device or Use Problem; Adverse Event Without Identified Device or Use Problem
DEVICE REPORT FROM SYNTHES REPORTS AN EVENT IN (B)(6) AS FOLLOWS: IT WAS REPORTED THAT THE PATIENT UNDERWENT MINIMALLY INVASIVE SURGICAL (MIS) TRANSFORAMINAL LUMBAR INTERBODY FUSION (TLIF) PROCEDURE ON (B)(6) 2019. AFTER 10 DAYS PATIENT DEVELOPED RASHES AND ITCHING ON HIS FULL BODY. EVEN AFTER CONSULTING SPECIALIST LIKE RHEUMATOLOGIST, IMMUNOLOGIST, GASTROENTEROLOGIST, GENERAL MEDICINE, AT VARIOUS HOSPITALS, PATIENT IS STILL SUFFERING THE SAME. AT PRESENT, THE PATIENT WANTS TO CONFIRM WITH THE COMPANY THAT IT IS NOT BECAUSE OF THE MATERIALS IMPLANTED. CURRENTLY THERE IS NO PLAN FOR ANY REVISION SURGERY. NO FURTHER INFORMATION PROVIDED. THIS REPORT IS FOR ONE (1) MIS CANN POLY SCW 7X45MM,TI. THIS IS REPORT 3 OF 4 FOR COMPLAINT (B)(4). ADDITIONAL DEVICES ARE REPORTED UNDER RELATED COMPLAINT (B)(4) AND (B)(4).
Patient problems: Hypersensitivity/Allergic reaction; No Code Available
MAUDE report 10819514 ↗InjuryNov 10, 2020Adverse Event Without Identified Device or Use Problem; Adverse Event Without Identified Device or Use Problem
DEVICE REPORT FROM SYNTHES REPORTS AN EVENT IN (B)(6) AS FOLLOWS: IT WAS REPORTED THAT THE PATIENT UNDERWENT MINIMALLY INVASIVE SURGICAL (MIS) TRANSFORAMINAL LUMBAR INTERBODY FUSION (TLIF) PROCEDURE ON (B)(6) 2019. AFTER 10 DAYS PATIENT DEVELOPED RASHES AND ITCHING ON HIS FULL BODY. EVEN AFTER CONSULTING SPECIALIST LIKE RHEUMATOLOGIST, IMMUNOLOGIST, GASTROENTEROLOGIST, GENERAL MEDICINE, AT VARIOUS HOSPITALS, PATIENT IS STILL SUFFERING THE SAME. AT PRESENT, THE PATIENT WANTS TO CONFIRM WITH THE COMPANY THAT IT IS NOT BECAUSE OF THE MATERIALS IMPLANTED. CURRENTLY THERE IS NO PLAN FOR ANY REVISION SURGERY. NO FURTHER INFORMATION PROVIDED THIS REPORT IS FOR ONE (1) MIS CANN POLY SCW 7X45MM,TI. THIS IS REPORT 2 OF 4 FOR COMPLAINT (B)(4). ADDITIONAL DEVICES ARE REPORTED UNDER RELATED COMPLAINT (B)(4) AND (B)(4).
Patient problems: Hypersensitivity/Allergic reaction; No Code Available
MAUDE report 10819500 ↗
Other Orthosis, spondylolisthesis spinal fixation devices
- CD HORIZON® Spinal System 7540020Medtronic Sofamor Danek, Inc. · Orthosis, spondylolisthesis spinal fixation257 reports
- MANTIS Redux 48289999Stryker Corporation · Orthosis, spondylolisthesis spinal fixation76 reports
- EXPEDIUM TOP NOTCH 179771555Depuy Spine, LLC · Orthosis, spondylolisthesis spinal fixation41 reports
- EXPEDIUM 179712650Medos International Sàrl · Orthosis, spondylolisthesis spinal fixation31 reports
- EXPEDIUM VERSE 199721530Medos International Sàrl · Orthosis, spondylolisthesis spinal fixation29 reports
- XIA 4 5 48130000Stryker Corporation · Orthosis, spondylolisthesis spinal fixation29 reports
- XIA 4.5 System - XIA CT 48850000Stryker Corporation · Orthosis, spondylolisthesis spinal fixation27 reports
- CD HORIZON® Spinal System 7576545Medtronic Sofamor Danek, Inc. · Orthosis, spondylolisthesis spinal fixation26 reports
Sources and updates
- Device record: FDA GUDID, file dated Oct 13, 2026 · View this device in AccessGUDID ↗
- Adverse event reports: FDA MAUDE, file dated Oct 14, 2026 · each report above links to its original FDA record
- Recalls: FDA Medical Device Recalls, file dated Oct 16, 2026
- Page last rebuilt: Oct 16, 2026. Data downloaded through openFDA, which notes it is not validated for clinical or regulatory use.
How reports and recalls are matched · Editorial policy · Report an error on this page