Device report from synthes reports an event in china as follows: this report is being filed after the review of the following journal article: cheng h,m et al (2017) fusion with pedicle screw fixation effect analysis of treating lumbar spinal stenosis, chinese journal of general practice, september, vol.15, no.9., pages 1-7 (china).This prospective study aims to discuss the treatment of lumbar spondylosis with fusion combined with pedicle screw internal fixation.From august 2011 to february 2015, 130 patients with spinal stenosis were divided into treatment groups according to a random number table.The control group and treatment group consisted of 65 patients each.The treatment group had 35 males and 30 females aged 54.56 ± 5.78 years while the control group with 36 males and 29 females aged 54.12 ± 6.13 years.Treatment group: give fusion device combined with pedicle screw internal fixation, select fule brand fj series spinal internal fixation system and johnson & johnson brand posterior spinal interbody cage fusion device, under general anesthesia, the patient is placed in the prone position, select posterior midline incision, implant pedicle screw assisted by c-arm x-ray machine.Complications reported : there was 1 case, 0 cases, 1 case, and 1 case of infection, incision infection, instability, and vascular injury, respectively.4 fair result.This report is for an unknown depuy spine interbody cage fusion device.This is report 1 of 1 for (b)(4).
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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.This report is for an unknown cage/spacer/unknown lot.Part and lot numbers are unknown; udi number is unknown.Device available for evaluation: 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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