MAUDE Adverse Event Report: DEPUY ORTHOPAEDICS INC US PFCSIG +/-2FEMOFFSET STMBLT; SIGMA REVISION IMPLANT : KNEE FEMORAL ACCESSORY

Catalog Number	960771
Medical Device Problem Code	Fracture (1260)
Health Effect - Clinical Codes	Pocket Erosion (2013); Unspecified Tissue Injury (4559); Insufficient Information (4580); Bone Notching (4890)
Date of Event	11/06/2024
Type of Reportable Event	Serious Injury
Additional Manufacturer Narrative
Product complaint # (b)(4).This report is being submitted pursuant to the provisions of 21 cfr, part 803 (and/or part 4, as applicable).This report may be based on information which has not been investigated or verified prior to the required reporting date.This report does not reflect a conclusion by depuy synthes, or its employees that the report constitutes an admission that the product, depuy synthes, or its employees caused or contributed to the potential event described in this report.If information is obtained that was not available for the initial report, a follow-up report will be filed as appropriate.H11 additional narrative: d4: udi: as the catalog/model number was not provided, the (01) gtin is not available.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
It was reported that in a partially coupled, cemented revision prosthesis, a fracture of the femoral stem and the connecting screw occurred without trauma in the connection area to the femoral shield.
Event or Problem Description
Additional information received describes a revision procedure requiring extensive debridement.Extensive bone erosion was noted on the medial and lateral femoral condyles as well as along the medial tibial plateau requiring bone grafting to correct.Granulation tissue indicative of loosening was noted.The femoral and tibial sides were noted to be loose - interface not identified.The patella was removed and underneath small cysts were identified and removed before replacing.This is the right side.The date of operation for the first implantation was on (b)(6) 2008, without complications.The revision went smoothly.The connecting screw between the femoral shield and the femoral shaft is affected.
Additional Manufacturer Narrative
Product complaint #(b)(4).This report is being submitted pursuant to the provisions of 21 cfr, part 803.This report may be based on information which has not been investigated or verified prior to the required reporting date.This report does not reflect a conclusion by depuy synthes joint reconstruction, or its employees that the report constitutes an admission that the product, depuy synthes joint reconstruction, or its employees caused or contributed to the potential event described in this report.H11 additional narrative: added: b5, d6a, d10, g4, h4 and h6 (health effect - clinical code).Corrected: d1, d2, d4 (lot, catalog, expiration date, udi).If information is obtained that was not available for the initial report, a follow-up report will be filed as appropriate.
Additional Manufacturer Narrative
Product complaint #(b)(4).Investigation summary: user report received bfarm case 1652/25 in the above-mentioned partially coupled, cemented revision prosthesis, a fracture of the femoral stem and the connecting screw occurred without trauma.Femoral stem and the connecting screw in the connection area to the femoral shield the product was not returned to j&j medtech orthopaedics; however, photos were provided for review.The photo investigation revealed that the distal threaded portion of the pfcsig +/-2femoffset stmblt has fractured.A manufacturing record evaluation was performed for the finished device [960771/ 4570771d], and no non-conformances or manufacturing irregularities were identified.Although a definitive cause for device fracture is not established, one contributing factor appears to be loosening at the interface between the cement and bone.The specific manufacturer of the cement remains unknown; however, it is evident that an excess amount of cement was used to fill bone voids in the anterior portion of the distal femoral head.This likely resulted in inadequate fixation between the cement and the bone.Insufficient fixation can lead to micromotion, which may increase stress at the junction of the stem bolt and the stem.This can result in fatigue cracks and ultimately catastrophic failure.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.The overall complaint was confirmed as the observed condition of the pfcsig +/-2femoffset stmblt would have contributed to the complained device issue.Based on the investigation findings, it has been determined that no corrective and/or preventative action is proposed.There is no indication that a design or manufacturing issue has caused the reported complaint condition.As part of j&j medtech orthopaedics quality process, all devices are manufactured, inspected, and released to approved specifications.Additional monitoring for any potential safety signals will be conducted through complaint trending and other post-market safety surveillance activities.Device history lot : 1) quantity manufactured: (b)(4).2) date of manufacture: 7-dec-2008.3) any anomalies or deviations identified in dhr: none.4) expiry date: 30-nov-2012.5) ifu reference: ifu-0902-00-252.Device history review : a manufacturing record evaluation was performed for the finished device [960771 / 4570771d], and no non-conformances or manufacturing irregularities were identified.Corrected: d4 (expiry date, primary udi number), h4, h6.

• Brand Name: PFCSIG +/-2FEMOFFSET STMBLT
• Common Device Name: SIGMA REVISION IMPLANT : KNEE FEMORAL ACCESSORY
• Manufacturer (Section D): DEPUY ORTHOPAEDICS INC US; 700 orthopaedic drive; warsaw IN 46581 0988
• Manufacturer (Section G): JTE WARSAW MFG SITE; 700 orthopaedic drive; warsaw IN 46582
• Manufacturer Contact: kate karberg ; 700 orthopaedic dr.; warsaw, IN 46581 ; 3035526892
• MDR Report Key: 21302617
• Report Number: 1818910-2025-02010
• Device Sequence Number: 12987559
• Product Code: JWH
• UDI-Device Identifier: 10603295233909
• UDI-Public: (01)10603295233909(17)121130(10)4570771D
• Combination Product (Y/N): N
• Initial Reporter Country: GM
• PMA/510(K) Number: K952830
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2008
• 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

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?: Yes
• Operator of Device: Health Professional
• Device Expiration Date: 11/30/2012
• Device Catalogue Number: 960771
• Device Lot Number: 4570771D
• Was Device Available for Evaluation?: No
• Is the Reporter a Health Professional?: Yes
• Type of Report(Section G): Initial
• Initial Date Received by Manufacturer: 01/20/2025
• Supplement Date Received by Manufacturer: 02/14/2025; 06/18/2025
• Initial Report FDA Received Date: 02/04/2025
• Supplement Report FDA Received Date: 02/27/2025; 06/19/2025
• Was Device Evaluated by Manufacturer? (Y/N): No
• Date Device Manufactured: 12/07/2008
• Is the Device Labeled for Single Use? (Y/N): Yes
• Is This a Single-Use Device that was Reprocessed and Reused on a Patient? (Y/N): No
• Usage of Device: Initial
• Patient Sequence Number: 1
• Concomitant Medical Products and Therapy/Usage Dates: BIOSTOP G CEM RESTR 12MM; PFC SIGMA FEM POST AUG SZ3 4MM; PFC SIGMA TIB TRAY CEM SZ3; PFC*SIGMA DIS AUG 4MM,SZ3,RGHT; PFC*SIGMA DIS AUG 4MM,SZ3,RGHT; PFC*SIGMA TC3 FEM RT SZ3; PFC*SIGMA TC3 INS 22.5MM, SZ 3; PFC*SIGMA/OV/DOME PAT 3PEG,38; PFCSIG +/-2FEMOFFSET STMBLT; PFCSIG CEM FEM STEM 5DG13X90MM; SIG TIB CEM STM 13X60 2/2.5/3
• Outcome Attributed to Adverse Event: Required Intervention
• Patient Sex: Female