MEDOS INTERNATIONAL SÃ RL CH VIPER SYSTEM CORTICAL FIX POLYAXIAL SCREW 5.5 6 X 40MM; ORTHOSIS, SPINAL PEDICLE FIXATION, FOR DEGENERATIVE DISC DISEASE
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Model Number 186731640 |
Device Problem
Material Twisted/Bent (2981)
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Patient Problem
No Clinical Signs, Symptoms or Conditions (4582)
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Event Date 07/01/2021 |
Event Type
malfunction
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Manufacturer Narrative
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: complainant part is not expected to be returned for manufacturer review/investigation.The investigation could not be completed; no conclusion could be drawn, as no product was received.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.
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Event Description
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Device report from synthes reports an event in (b)(6) as follows: it was reported that on (b)(6) 2021, during a procedure for tlif in the lumbar spine (5/s1) treating lumbar spondylolisthesis the screw would not tighten at l5 left.The screw threads were stripped.There were no fragment left in the patient¿s body.The procedure was completed with a replacement less than 30-minute surgical delay.This report involves one (1) viper system cortical fix polyaxial screw 5.5 6 x 40mm.This is report 1 of 2 for (b)(4).
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Manufacturer Narrative
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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.H3, h6: the product was returned to us customer quality (cq) for evaluation.The us cq team conducted a visual inspection of the returned device.Visual analysis of the returned sample revealed that 5.5 ti cort fix 6x40mm the threads inside the screw head was warped and distorted.Some of the thread get detached from the head.Scratches were also observed on the screw head.The dimensional inspection was not performed due to the post manufacturing damage.The observed condition of 5.5 ti cort fix 6x40mm in the device was consistent.As part of depuy synthes quality process, all devices are manufactured, inspected, and released to approved specifications.The overall complaint was confirmed as the observed broken condition of the 5.5 ti cort fix 6x40mm.While no definitive root cause could be determined, there is no indication that a design or manufacturing issue has caused the complaint condition and hence the root cause cannot be determined.There was no indication that a design or manufacturing issue contributed to the complaint.Based on the investigation findings, it has been determined that no corrective and/or preventative action is proposed.Additional monitoring for any potential safety signals will be conducted through complaint trending and other post-market safety surveillance activities.Drawing/specifications reviewed: the following drawing reflecting the current and manufacture revision was reviewed: viper ti, cortical fix polyaxial screw, top loading shank; viper cortical fix polyaxial screw shank, ø6 x 25-130, ti; expedium 5.50 rod system polyaxial cap 7.5 mm screw; expedium 5.50 rod system polyaxial head for 7.5 mm screw.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.
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Manufacturer Narrative
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Product complaint # (b)(4).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.H10 additional narrative: h3, h6: investigation summary the photo was returned to us cq for evaluation.The us cq team conducted a visual inspection of the returned device.Visual analysis of the photo revealed that 5.5 ti cort fix 6x40mm the device is deformed.As the device was not returned, an as-received condition could not be assessed, and a dimensional inspection and document/specification review were not completed.As part of depuy synthes quality process, all devices are manufactured, inspected, and released to approved specifications.The overall complaint was confirmed for 5.5 ti cort fix 6x40mm.There is no indication that a design or manufacturing issue has caused the complaint condition and hence the root cause cannot be determined.Based on the investigation findings, it has been determined that no corrective and/or preventative action is proposed.Additional monitoring for any potential safety signals will be conducted through complaint trending and other post-market safety surveillance activities.Device history lot: the dhr of product code: 186731640.Lot : 264379.Was electronically reviewed and no non-conformances.Were observed during the manufacturing process.The product was released on: 11.27.2019.Qty: (b)(4).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.
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