MAUDE Adverse Event Report: DEPUY SPINE INC MMG SENSORS 4 PK W GROUND; STIMULATOR, NERVE

Catalog Number	286202104
Medical Device Problem Code	Adverse Event Without Identified Device or Use Problem (2993)
Health Effect - Clinical Codes	Fatigue (1849); Nerve Damage (1979)
Type of Reportable Event	Serious Injury
Additional Manufacturer Narrative
Additional device product code: pdq.Complainant part is not expected to be returned for manufacturer review/investigation.Product was not returned.Based on the information available, it has been determined that no corrective and 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.A device history record (dhr) review was conducted: a review of the receiving inspection (ri) for mmg sensors 4 pk w ground was conducted identifying that lot number 00021565 was released in a single batch.Batch1: lot units were released on 27 oct 2020 with no discrepancies.As a result, the ri identified no issues during the manufacturing and release of this device that could have contributed to the problem reported by the customer.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 or Problem Description
Device report from synthes reports an event in (b)(6) as follows: it was reported that on an unknown date a patient underwent l4/5 microdiscectomy procedure.Postoperatively the surgeon noted the posterior spine decompressions whereby the patient has developed cauda equina syndrome with bilateral abductor weakness.No further information provided.This report is for one (1) sentio mmg sensors 4 pack with ground.This is report 1 of 5 for complaint (b)(4).
Additional 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.H6: photo investigation: the device was not returned.A photo-investigation was performed on the images provided.Upon inspecting images under notes & attachments section, there were no issues observed with the sentio neuromonitoring which contributes to the adverse event, hence unconfirmed.A manufacturing record evaluation was performed for the finished device lot number, and no non-conformances were identified.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.Conclusion: the complaint condition can't be confirmed during photo/video investigation.During the investigation, no product design issues or discrepancies were observed.No manufacturing issues were noted during investigation.Additional monitoring for any potential safety signals will be conducted through complaint trending and other post market safety surveillance activities.Therefore, it has been determined that no corrective and/or preventive action is proposed.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: MMG SENSORS 4 PK W GROUND
• Common Device Name: STIMULATOR, NERVE
• Manufacturer (Section D): DEPUY SPINE INC; 325 paramount drive; raynham MA 02767
• MDR Report Key: 12281497
• Report Number: 1526439-2021-01611
• Device Sequence Number: 14412925
• Product Code: ETN
• UDI-Device Identifier: 10705034534749
• UDI-Public: (01)10705034534749
• Combination Product (Y/N): N
• Initial Reporter Country: AS
• PMA/510(K) Number: K173526
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Serviced by Third Party (Y/N): Unknown
• Reporter Type: Manufacturer
• Report Source: company representative,foreig
• Initial Reporter Occupation: Physician
• Type of Report: Initial,Followup
• Report Date (Section B): 07/07/2021

1 Device was Involved in the Event

1 Patient was Involved in the Event

• Is this an Adverse Event Report?: Yes
• Is this a Product Problem Report?: No
• Operator of Device: Health Professional
• Device Catalogue Number: 286202104
• Device Lot Number: 21565
• Was Device Available for Evaluation?: No
• Initial Date Received by Manufacturer: 07/07/2021
• Supplement Date Received by Manufacturer: 09/08/2021
• Initial Report FDA Received Date: 08/05/2021
• Supplement Report FDA Received Date: 09/27/2021
• Patient Sequence Number: 1
• Concomitant Medical Products and Therapy/Usage Dates: MMG BALL TIP PFR; MMG CONTROL BOX; MMG POWER SUPPLY; MMG TABLET
• Outcome Attributed to Adverse Event: Required Intervention
• Patient Age: 74 YR