MAUDE Adverse Event Report: MEDOS INTERNATIONAL SÃ RL CH SI POLYAXL SCREW 7 X 35MM; ORTHOSIS, SPINAL PEDICLE FIXATION, FOR DDD

Model Number 179712735

Device Problem Break (1069)

Patient Problem Unspecified Tissue Injury (4559)

Event Type  Injury  

Manufacturer Narrative

Additional procode: kwp;kwq;mnh;mni;osh.Complainant part is not expected to be returned for manufacturer review/investigation.Without a lot number the device history records review could not be completed.Product was not returned.Based on the information available, it has been determined that no corrective and/or preventative action is proposed.This complaint will be accounted for and monitored via post market surveillance activities.If additional information is made available, the investigation will be updated as applicable.Device was used for treatment, not diagnosis.If information is obtained that was not available for the initial medwatch, a follow-up medwatch will be filed as appropriate.

Event Description

Device report from synthes reports an event in (b)(6) as follows: it was reported that the patient underwent revision spinal fusion surgery on (b)(6) 2021 due to broken screws at s1.There were no obvious fragments and two (2) si polyaxial screws were removed.The original surgery for high grade spondylolisthesis took place on (b)(6) 2017.Concomitant device reported: unknown rod (part# unknown, lot# unknown, quantity 2); unknown screw (part# unknown, lot# unknown, quantity 4); unknown setscrew (part# unknown, lot# unknown, quantity 6).This report is for one (1) si polyaxl screw 7 x 35mm.This is report 1 of 2 for (b)(4).

Manufacturer Narrative

Depuy synthes is submitting this report pursuant to the provisions of 21 cfr, part 803.This report may be based on information which depuy synthes has not been able to investigate or verify prior to the required reporting date.This report does not reflect a conclusion by fda, depuy synthes or its employees that the report constitutes an admission that the device, depuy synthes, or its employees caused or contributed to the potential event described in this report.If the information is unknown, not available or does not apply, the section/field of the form is left blank.H10 additional narrative: investigation summary: customer quality investigation: the implant(s) was not returned, and the investigation will be completed based on the supplied image(s).The image(s) was reviewed, and the complaint condition of broken was confirmed as the image(s) showed the screw broke just below the tulip head.As the implant(s) was not returned and as received, dimensional, material or drawing reviews are not applicable.A manufacturing record evaluation could not be performed as the lot number could not be determined from the image.There is no indication that a design or manufacturing issue contributed to the complaint as the circumstances during the time of the event are unknown.No new malfunctions were observed during this investigation (based on the images) that may have contributed to the complaint condition.Additional monitoring for any potential safety signals will be conducted through complaint trending and other post market safety surveillance activities.Based on the investigation findings, it has been determined that no corrective and/or preventative action is proposed.Device history review: a manufacturing record evaluation could not be performed as the lot number could not be determined from the image.Device was used for treatment, not diagnosis.If information is obtained that was not available for the initial medwatch, a follow-up medwatch will be filed as appropriate.

• Brand Name: SI POLYAXL SCREW 7 X 35MM
• Type of Device: ORTHOSIS, SPINAL PEDICLE FIXATION, FOR DDD
• Manufacturer (Section D): MEDOS INTERNATIONAL SÃ RL CH; chemin-blanc 38; le locle 02400 ; SZ 02400
• MDR Report Key: 11376818
• MDR Text Key: 233585540
• Report Number: 1526439-2021-00355
• Device Sequence Number: 1
• Product Code: NKB
• UDI-Device Identifier: 10705034067889
• UDI-Public: 10705034067889
• Combination Product (y/n): N
• PMA/PMN Number: K160904
• Number of Events Reported: 1
• Summary Report (Y/N): N
• Report Source: Manufacturer
• Source Type: company representative,foreig
• Type of Report: Initial,Followup
• Report Date: 02/02/2021

1 Device was Involved in the Event

1 Patient was Involved in the Event

• Date FDA Received: 02/24/2021
• Is this an Adverse Event Report?: Yes
• Is this a Product Problem Report?: Yes
• Device Operator: Health Professional
• Device Model Number: 179712735
• Device Catalogue Number: 179712735
• Was Device Available for Evaluation?: No
• Date Manufacturer Received: 03/04/2021
• Patient Sequence Number: 1
• Treatment: SI POLYAXL SCREW 7 X 35MM; UNKNOWN LOCKING/SET SCREWS; UNKNOWN RODS; UNKNOWN SCREWS; SI POLYAXL SCREW 7 X 35MM; UNKNOWN LOCKING/SET SCREWS; UNKNOWN RODS; UNKNOWN SCREWS
• Patient Outcome(s): Required Intervention