FDA Adverse Event Injury Summary report: N

PROSTHESIS, INTERVERTEBRAL DISC

MDR report key: 4770994 · Received May 14, 2015

Report

Report Number
2530088-2015-10195
Event Type
Injury
Date Received
May 14, 2015
Report Date
April 28, 2015
Manufacturer
SYNTHES BRANDYWINE
Product Code
MJO
PMA / PMN Number
PP050010
Adverse Event
Yes
Report Source
Manufacturer report
Reporter Location
SZ
Reporter Occupation
PHYSICIAN

Narratives

Additional Manufacturer Narrative · 1

ADDITIONAL NARRATIVE: (B)(4). THIS REPORT IS FOR 1 UNKNOWN PRODISC-L INFERIOR ENDPLATE / UNKNOWN LOT. UDI: UNKNOWN PART NUMBER, UDI IS UNAVAILABLE. (B)(6). THE INVESTIGATION COULD NOT BE COMPLETED AND NO CONCLUSION COULD BE DRAWN, AS NO DEVICE WAS RETURNED AND NO LOT NUMBER OR PART NUMBER WAS PROVIDED. IF INFORMATION IS OBTAINED THAT WAS NOT AVAILABLE FOR THE INITIAL MEDWATCH, A FOLLOW-UP MEDWATCH WILL BE FILED AS APPROPRIATE.

Description of Event or Problem · 1

LITERATURE ARTICLE RECEIVED: ¿THIS REPORT IS BEING FILED AFTER THE SUBSEQUENT REVIEW OF THE FOLLOWING LITERATURE ARTICLE: REFERENCE: LEBEL, D. (2012). IN VIVO FUNCTIONAL PERFORMANCE OF FAILED PRODISC-L DEVICES. SPINE. VOLUME 37, PP E1209-E1217. USA.¿ THIS ARTICLE DISCUSSES A RETRIEVAL ANALYSIS OF WEAR MODES AND FIXATION OF LUMBAR TOTAL DISC REPLACEMENTS (TDRS). EXPLANTED PRODISC-L TDRS WERE PROSPECTIVELY COLLECTED DURING A 7-YEAR PERIOD BETWEEN 2005 AND 2011 AND ANALYZED. THE PURPOSE OF THE STUDY WAS TO ASSESS THE IN VIVO MODES OF WEAR AND FIXATION OF LUMBAR TDR WITH THE PRODISC-L DEVICE. NINETEEN PRODISC-L DEVICES FROM 18 PATIENTS WERE EXPLANTED FOR PAIN, PROTHESIS SUBLUXATION/MIGRATION, END PLATE COLLAPSE/SUBSIDENCE, POLYETHYLENE DISLODGEMENT, AND UNKNOWN CAUSES. THIS REPORT IS FOR DEVICE 4. DEVICE 4 WAS EXPLANTED FROM A 33 YEAR OLD FEMALE PATIENT. DEVICE 4 WAS IMPLANTED AT LEVEL L4-L5, THE IMPLANT SIZE WAS MEDIUM, AND THE POLYETHYLENE SIZE WAS 10MM. THE DEVICE WAS EXPLANTED DUE TO AXIAL PAIN. THE SURGEON-REPORTED PRESENTATION WAS CONTINUED PAIN. ANALYSIS OF THE EXPLANTED DEVICE SHOWED 5% SUPERIOR COMPONENT ONGROWTH AND 10% INFERIOR COMPONENT ONGROWTH. THIS REPORT IS 12 OF 48 FOR (B)(4). THIS REPORT IS FOR AN UNKNOWN PRODISC-L DEVICE, UNKNOWN PART#/LOT#.

Devices

Seq Brand Generic Product Code Manufacturer Model Lot UDI-DI
315124 PROSTHESIS, INTERVERTEBRAL DISC MJO SYNTHES BRANDYWINE

Patients

Seq Age Sex Outcome Treatment
1 33 YR Required Intervention