VERTEX RECONSTRUCTION SYSTEM
Report
- Report Number
- 1030489-2020-00482
- Event Type
- Malfunction
- Date Received
- April 27, 2020
- Report Date
- May 7, 2020
- Manufacturer
- WARSAW ORTHOPEDICS
- Product Code
- KWP
- PMA / PMN Number
- SEE H10
- Adverse Event
- Yes
- Product Problem
- Yes
- Report Source
- Manufacturer report
- Reporter Location
- JA
- Reporter Occupation
- PHYSICIAN
Narratives
ADDITIONAL INFORMATION: B5 MEDTRONIC IS SUBMITTING THIS REPORT TO COMPLY WITH FDA REPORTING REGULATIONS UNDER 21 CFR PARTS 4 AND 803. THIS REPORT IS BASED UPON INFORMATION OBTAINED BY MEDTRONIC, WHICH THE COMPANY MAY NOT HAVE BEEN ABLE TO FULLY INVESTIGATE OR VERIFY PRIOR TO THE DATE THE REPORT WAS REQUIRED BY THE FDA. MEDTRONIC HAS MADE REASONABLE EFFORTS TO OBTAIN MORE COMPLETE INFORMATION AND HAS PROVIDED AS MUCH RELEVANT INFORMATION AS IS AVAILABLE TO THE COMPANY AS OF THE SUBMISSION DATE OF THIS REPORT. THIS REPORT DOES NOT CONSTITUTE AN ADMISSION OR A CONCLUSION BY FDA, MEDTRONIC, OR ITS EMPLOYEES THAT THE DEVICE, MEDTRONIC, OR ITS EMPLOYEE CAUSED OR CONTRIBUTED TO THE EVENT DESCRIBED IN THE REPORT. IN PARTICULAR, THIS REPORT DOES NOT CONSTITUTE AN ADMISSION BY ANYONE THAT THE PRODUCT DESCRIBED IN THIS REPORT HAS ANY ¿DEFECTS¿ OR HAS ¿MALFUNCTIONED¿. THESE WORDS ARE INCLUDED IN THE FDA 3500A FORM AND ARE FIXED ITEMS FOR SELECTION CREATED BY THE FDA TO CATEGORIZE THE TYPE OF EVENT SOLELY FOR THE PURPOSE OF REGULATORY REPORTING. MEDTRONIC OBJECTS TO THE USE OF THESE WORDS AND OTHERS LIKE THEM BECAUSE OF THE LACK OF DEFINITION AND THE CONNOTATIONS IMPLIED BY THESE TERMS. THIS STATEMENT SHOULD BE INCLUDED WITH ANY INFORMATION OR REPORT DISCLOSED TO THE PUBLIC UNDER THE FREEDOM OF INFORMATION ACT. ANY REQUIRED FIELDS THAT ARE UNPOPULATED ARE BLANK BECAUSE THE INFORMATION IS CURRENTLY UNKNOWN OR UNAVAILABLE. A GOOD FAITH EFFORT WILL BE MADE TO OBTAIN THE APPLICABLE INFORMATION RELEVANT TO THE REPORT. IF INFORMATION IS PROVIDED IN THE FUTURE, A SUPPLEMENTAL REPORT WILL BE ISSUED.
THE SURGEON ALSO SUSPECTED THAT SINCE THE PROTRUDING PART OF THE ROD FROM THE CONNECTION PART WITH OC PLATE WAS NOT LONG ENOUGH, THE ROD COULD HAVE COME OFF DUE TO ROTATION.
THIS PART IS NOT APPROVED FOR USE IN THE UNITED STATES; HOWEVER A LIKE DEVICE CATALOG #: 7750015, 510K #: K070742 AND UDI #: (B)(4) WAS CLEARED IN THE UNITED STATES. NEITHER THE DEVICE NOR FILMS OF APPLICABLE IMAGING STUDIES WERE RETURNED TO THE MANUFACTURER FOR EVALUATION. THEREFORE, WE ARE UNABLE TO DETERMINE THE DEFINITIVE CAUSE OF THE REPORTED EVENT. IF INFORMATION IS PROVIDED IN THE FUTURE, A SUPPLEMENTAL REPORT WILL BE ISSUED.
IT WAS REPORTED THAT THE PATIENT PRESENTED WITH PSEUDO-TUMOR; AND UNDERWENT CERVICAL POSTERIOR FIXATION FROM OCCIPITAL TO C4. ON AN UNKNOWN DATE, POST-OP, THE ROD ON THE CAUDAL SIDE OF OCCIPITO-CERVICAL (OC) PLATE BACKED OUT. THE ROD WAS FOUND TO HAVE COME OFF FROM UNDER THE RIGHT OCCIPITAL PLATE. IT WAS CONSIDERED THAT SINCE A CROSSLINK HAD NOT BEEN USED, THE SET SCREW LOOSENED DUE TO THE MOVEMENT OF ROTATION, AND THE ROD CAME OFF. THERE WAS A PROLONGATION OF HOSPITALIZATION AS A RESULT OF ROD BACK-OUT. THE PATIENT UNDERWENT A REVISION SURGERY ON (B)(6) 2020, WHICH WAS COMPLETED WITHOUT ANY PROBLEMS. THE EXPLANTED SET SCREW WAS DISCARDED.
Devices
| Seq | Brand | Generic | Product Code | Manufacturer | Model | Lot | UDI-DI |
|---|---|---|---|---|---|---|---|
| 465416 | VERTEX RECONSTRUCTION SYSTEM | APPLIANCE, FIXATION, SPINAL INTERLAMINAL | KWP | WARSAW ORTHOPEDICS | NA | 0761435W |
Patients
| Seq | Age | Sex | Outcome | Treatment |
|---|---|---|---|---|
| 1 | Hospitalization| R | SET SCREW |