MAUDE Adverse Event Report: MDT SOFAMOR DANEK PUERTO RICO MFG VERTEX RECONSTRUCTION SYSTEM; APPLIANCE, FIXATION, SPINAL INTERLAMINAL

Model Number G6950315

Device Problems Material Deformation (2976); Scratched Material (3020)

Patient Problem No Clinical Signs, Symptoms or Conditions (4582)

Event Date 06/22/2021

Event Type  malfunction  

Manufacturer Narrative

Radiographic image review result- a lateral xray for ct posterior spinal fusion.No hardware failure seen in this image.This product is not approved in united states.However, similar product: 6950315, uan- (b)(4) and 510 (k)- k052180 is approved in united states.If information is provided in the future, a supplemental report will be issued.

Event Description

Information was received from healthcare professional via field representative regarding patient with symptoms of csr involved in psf (posterior spinal fusion) procedure.Levels implanted: c2-t2.It was reported that right tapered rod was broken.No broken fragments left in the patient's body.There was no delay in overall procedure time.Patient was not hospitalized prolong as a result of this event.Reported they might have removed the nut and rod for performing decompression additionally, and the right rod was broken when preparing.Product was used correctly according to the directions given in the ifu/labeling.Reported event was revision surgery for csr.Initial surgery was performed with non-mdt product.Procedure involved in initial surgery was c3/4: psf for plasty hirayama disease.Additional treatment: foraminotomy c5 /6 /7 left was performed.Additional comments about the event: (b)(6) 2007 hirayama disease.C3/4: psf performed with non-mdt product (b)(6) 2021 csr c2-t2: psf non-mdt product removal could not be performed.The right head came off on one side, and there was no choice but to leave product on the left and hybrid with vs.On (b)(6) 2021, received additional information that, the rod might be removed because the decompression would be performed when the operation started, and it seemed that the rod breakage was noticed during the operation.On (b)(6) 2021, received information that rod edges were separated.Set screw m6 mesh had scratches and deformations on the tip and thread.Both so47 break off set screws were found to be deformed and damaged at tip and scratched at threads.Hex hole of unknown setscrew was found to be stripped.

Manufacturer Narrative

H3: device evaluated summary- visual and optical examination revealed the female hex edges have been rounded/deformed.There were no signs of thread damage on the set screw.The threads appear to be used but no signs of cross threading.Functional evaluation of the returned implant with a sample bone screw confirmed the set screw was able to engage and thread into the head of the bone screw without issue.The damage to the hex appears to be from torsional overload.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.

• Brand Name: VERTEX RECONSTRUCTION SYSTEM
• Type of Device: APPLIANCE, FIXATION, SPINAL INTERLAMINAL
• Manufacturer (Section D): MDT SOFAMOR DANEK PUERTO RICO MFG; barrio marianna rd 909, km0.4; humacao PR 00792
• Manufacturer (Section G): MDT SOFAMOR DANEK PUERTO RICO MFG; barrio marianna rd 909, km0.4; humacao PR 00792
• Manufacturer Contact: david gustafson ; 1800 pyramid place; memphis, TN 38132 ; 7635149628
• MDR Report Key: 12460756
• MDR Text Key: 271093424
• Report Number: 1030489-2021-01153
• Device Sequence Number: 1
• Product Code: KWP
• Combination Product (y/n): N
• Reporter Country Code: JA
• PMA/PMN Number: SEE H10
• Number of Events Reported: 1
• Summary Report (Y/N): N
• Report Source: Manufacturer
• Source Type: Foreign,Health Professional,Company Representative
• Reporter Occupation: Other Health Care Professional
• Type of Report: Initial,Followup
• Report Date: 02/14/2022

1 Device was Involved in the Event

1 Patient was Involved in the Event

• Date FDA Received: 09/13/2021
• Is this an Adverse Event Report?: No
• Is this a Product Problem Report?: Yes
• Device Operator: Health Professional
• Device Model Number: G6950315
• Device Catalogue Number: G6950315
• Device Lot Number: H5535012
• Was Device Available for Evaluation?: Device Returned to Manufacturer
• Date Returned to Manufacturer: 08/16/2021
• Is the Reporter a Health Professional?: Yes
• Date Manufacturer Received: 01/19/2022
• Was Device Evaluated by Manufacturer?: Yes
• Date Device Manufactured: 07/19/2019
• Is the Device Single Use?: Yes
• Is This a Reprocessed and Reused Single-Use Device?: No
• Type of Device Usage: Initial
• Patient Sequence Number: 1
• Patient Age: 46 YR
• Patient Sex: Male
• Patient Weight: 60 KG