SYNTHES GMBH CANNULATED SCREW 3.5 MM, SELF-DRILLING, LENGTH 40/12 MM, PURE TITANIUM; ORTHOSIS, CERVICAL PEDICLE SCREW SPINAL FIXATION
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Catalog Number 405.440 |
Device Problem
Adverse Event Without Identified Device or Use Problem (2993)
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Patient Problem
Non-union Bone Fracture (2369)
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Event Type
Injury
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Manufacturer Narrative
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Device is not distributed in the united states, but is similar to device marketed in the usa.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.
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Event Description
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This report is being filed after the review of the following journal article: fazzolari b et al.(2020), clinical and radiological outcome after minimally invasive surgical approach for type ii unstable odontoid fractures, neurochirurgie, volume 67, pages 350-357, (italy).The primary endpoint of our study is to evaluate the postoperative results of minimally invasive odontoid screw insertion in terms of outcome, fusion rate, and stability of cranio-cervical junction.The secondary endpoint was to investigate the influence of age or fractures¿ features on outcome and fusion rate.From july 2011 to february 2018, 38 patients (40 procedures) with unstable type ii fractures operated by a minimally invasive odontoid screw insertion technique were included in the study.There were 23 males and 15 females with a mean age of 66.3 years.The synthes dens access system was used in all cases.As the intended k-wire positioning is achieved, a synthes threaded bicortical screw is placed according to usual anatomical landmarks.Complications were reported as follows: 6 patients died of unrelated causes (3 myocardial infarction, 1 als, 1 pulmonary embolism, 1 accidental).Unknown patients had nonunion.2 underwent a second surgery by posterior approach.This report is for a cannulated screw ø 3.5 mm, self-drilling, length 40/12 mm, pure titanium.This is report 4 of 4 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.H10 additional narrative: a2, a3.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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Search Alerts/Recalls
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