MAUDE Adverse Event Report: SYNTHES GMBH NUT FOR REAMER COMPONENT OF THE 03.168.004; INSTRUMENT, SURGICAL, ORTHOPEDIC, AC-POWERED MOTOR AND ACCESSORY/ATTACHMENT

Catalog Number	03.168.007
Medical Device Problem Code	Device Slipped (1584)
Health Effect - Clinical Code	Unspecified Tissue Injury (4559)
Date of Event	06/12/2023
Type of Reportable Event	Serious Injury
Additional Manufacturer Narrative
Depuy synthese is submitting this report pursuant to the provisions of 21 cfr, part 803.This report may be based on information which depuy synthese has not been able to investigate or verify prior to the required reporting date.This report does not reflect a conclusion by fda, depuy synthese or its employees that the report constitutes an admission that the device, depuy synthese, 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: d1, d2, d3, d4, g4 ¿ 510k: this report is for an unknown nut/unknown lot.Part and lot numbers are unknown; udi number is unknown.D9: complainant part is expected to be returned for manufacturer review/investigation but has yet to be received.E3: reporter is a j&j employee.H3, h4, h6: 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 or Problem Description
Device report from synthese reports an event in japan as follows: it was reported that on (b)(6) 2023, the patient underwent a fixation with fns implants.The primary surgeon was a first-year surgeon.During surgery, the nut loosened, and the reamer perforated the bone head.During reaming for the bolt, the pushing force was too strong, resulting in perforation of the bone head.Possible causes of this event were as follows: during the image intensifier check, the reamer part was hidden by the protection sleeve, and the surgeon did not notice that the reamer part was loose until later.The surgeon was so focused on checking the lateral skin cut contact at the base of the reamer that the surgeon was late in noticing the reamer was advancing reaming.After consulting with a surgeon who is an expert in treatment of lower extremity, it was determined that although the bone head was perforated, it was not a major perforation, and the surgery was completed by fixing with fns implants as it was planned.The surgery was completed successfully within 30 minutes delay.The primary surgeon commented that the event was caused by the surgeon¿s technical error and that a reamer should be changed to structure that prevents loosening.The patient status/ outcome: stable no further information is available.Concomitant device reported: unk - guides/sleeves/aiming: sleeve(part# unknown; lot# unknown; quantity: unknown) this report is for one (1)unk - nuts this is report 2 of 2 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.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.
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.Additional narrative: the subject device has been received, the investigation is in progress, no conclusion could be drawn at the time of filing this report.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.
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.Additional narrative: a manufacturing record evaluation was performed for the finished article lot and no non-conformances were identified.Part:03.168.007 lot no: f-24184 release to warehouse date: 08 jun, 2018 manufacturing site: werk selzach supplier: (b)(4) the product was returned to depuy synthes for evaluation.The depuy synthes team conducted a visual inspection of the returned device.Visual analysis of the returned sample revealed that there was no damage or defects with the nut f/reamer.A dimensional inspection was not performed as it is not applicable to the complaint condition.A functional test was performed according to surgical technique guide, the returned devices can be assembled and worked correctly.No signals of loose or difficult to drilling were observed along the test.The complaint condition was not able to be replicated.The overall complaint was not confirmed as the nut f/reamer [03.168.007/f-24184] was found to have no damage or defects.No definitive root cause could 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.As part of depuy synthes quality process, all devices are manufactured, inspected, and released to approved specifications.If information is obtained that was not available for this medwatch, a follow-up medwatch will be filed as appropriate.

• Brand Name: NUT FOR REAMER COMPONENT OF THE 03.168.004
• Common Device Name: INSTRUMENT, SURGICAL, ORTHOPEDIC, AC-POWERED MOTOR AND ACCESSORY/ATTACHMENT
• Manufacturer (Section D): SYNTHES GMBH; eimattstrasse 3; oberdorf 4436 ; SZ 4436
• Manufacturer (Section G): SYNTHES SELZACH; bohackerweg 5; selzach 2545 ; SZ 2545
• Manufacturer Contact: kate karberg ; 1302 wright lane east; west chester, PA ; 3035526892
• MDR Report Key: 17251112
• Report Number: 8030965-2023-08289
• Device Sequence Number: 17027765
• Product Code: HWE
• UDI-Device Identifier: 07611819657335
• UDI-Public: (01)07611819657335
• Combination Product (Y/N): N
• Initial Reporter Country: JA
• PMA/510(K) Number: EXEMPT
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Serviced by Third Party (Y/N): Unknown
• Reporter Type: Manufacturer
• Report Source: Foreign,Health Professional,Company Representative
• Initial Reporter Occupation: Other Health Care Professional
• Type of Report: Initial,Followup,Followup,Followup,Followup
• 2 Devices were Involved in the Event: 1 2

1 Patient was Involved in the Event

• Is this an Adverse Event Report?: Yes
• Is this a Product Problem Report?: Yes
• Operator of Device: Health Professional
• Device Catalogue Number: 03.168.007
• Device Lot Number: F-24184
• Was Device Available for Evaluation?: Device Returned to Manufacturer
• Is the Reporter a Health Professional?: Yes
• Type of Report(Section G): Initial
• Initial Date Received by Manufacturer: 06/11/2023
• Supplement Date Received by Manufacturer: 07/03/2023; 07/06/2023; 07/27/2023; 08/11/2023
• Initial Report FDA Received Date: 07/03/2023
• Supplement Report FDA Received Date: 07/05/2023; 07/25/2023; 08/10/2023; 08/23/2023
• Was Device Evaluated by Manufacturer? (Y/N): Yes
• Date Device Manufactured: 06/08/2018
• Is the Device Labeled for Single Use? (Y/N): No
• Is This a Single-Use Device that was Reprocessed and Reused on a Patient? (Y/N): No
• Usage of Device: Unknown
• Patient Sequence Number: 1
• Concomitant Medical Products and Therapy/Usage Dates: DRILL BIT Ø10.2 CANN L251; REAMER CPL; REAMER CPL; REAMER Ø12.5; UNK - GUIDES/SLEEVES/AIMING: SLEEVE; UNK - GUIDES/SLEEVES/AIMING: SLEEVE
• Outcome Attributed to Adverse Event: Required Intervention
• Patient Sex: Female