MAUDE Adverse Event Report: SMITH & NEPHEW ORTHOPAEDICS AG POLARSTEM COLLAR LAT. TI/HA 9; PROSTHESIS, HIP, SEMI-CONSTRAINED, METAL/POLYMER, UNCEMENTED

Model Number 75102209

Device Problem Adverse Event Without Identified Device or Use Problem (2993)

Patient Problems Wound Dehiscence (1154); Fall (1848); Unspecified Infection (1930)

Event Date 09/11/2018

Event Type  Injury  

Event Description

It was reported that, after a right tha had been performed on (b)(6) 2018 to address a diagnosis of advanced degeneration of the hip joint, the patient suffered a fall three (3) weeks after the primary surgery.Five (5) days later, the patient sustained a wound dehiscence and developed an infection.A two-stage revision surgery was necessary to treat this complication.During the first procedure conducted on (b)(6) 2018, the patient underwent an incision & drainage, followed by an additional incision & drainage with a girdlestone procedure on (b)(6) 2018 during which the femoral stem was removed.The patient underwent reimplantation of new prosthesis components on (b)(6) 2018 with a redapt revision femoral stem, an oxinium femoral head and an r3 acetabular system.No further information is available.

Manufacturer Narrative

Internal complaint reference: (b)(4).

Manufacturer Narrative

H3, h6: in the study of dr.(b)(6) [1], after a right total hip arthroplasty had been performed on (b)(6) 2018 to address a diagnosis of advanced degeneration of the hip joint, the patient suffered a fall three (3) weeks after the primary surgery.Five (5) days later, the patient sustained a wound dehiscence and developed an infection.A two-stage revision surgery was necessary to treat this complication.During the first procedure conducted on (b)(6) 2018, the patient underwent an incision & drainage, followed by an additional incision & drainage with a girdlestone procedure on (b)(6) 2018 during which the femoral stem was removed.The patient underwent reimplantation of new prosthesis components on (b)(6) 2018 with a redapt revision femoral stem, an oxinium femoral head and an r3 acetabular system.The complaint device, used in treatment, was not received for investigation and a visual inspection could not be performed.The exact part and batch number of the device is not known.Therefore, the batch record review could not be performed and it is not possible to investigate whether the reported device met manufacturing specifications upon release for distribution.A complaint history review was performed.The occurrence of the reported failure mode is within its expected risk level as per risk management.Furthermore, insufficient information was made available to determine the revision of instructions for use applicable to the device at the time of distribution.However, a review of current revision was conducted and the instructions for use (lit.No.12.23 ed 03/21) states infection of the component as a ¿potential adverse device effect¿ in combination with the implantation of a hip prosthesis.A review of the risk management documentation verifies the failure mode, occurrence and severity of the reported issue.Due to insufficient information it is not possible to perform a review of past corrective actions.For the medical investigation, no relevant supporting clinical information could be provided.Therefore, a thorough clinical assessment cannot be performed at this time, however, it cannot be concluded the reported events were associated with a mal performance of the implant or implant failure taking into account that the patient fell down 3 week¿s post implantation with subsequent wound dehiscence, infection, and revision.The patient's current condition is unknown and the patient impact beyond the reported events could not be determined.Based on the performed investigations, a relationship between the reported device and the reported incident cannot be excluded, but the root cause of the problem stays undetermined due to insufficient information.A relationship between the reported event and the device cannot be confirmed.Due to insufficient information it is not possible to speculate about factors which could have contributed to the reported event.To date, no further actions will be taken.Smith and nephew will monitor the device for further similar issues.Should any additional clinical information be provided, this complaint will be re-evaluated.[1]: capture activity on polarstem collared on primary/revision total hip arthroplasty.Performed at atrium health wake forest baptist by dr.John shields.

• Brand Name: POLARSTEM COLLAR LAT. TI/HA 9
• Type of Device: PROSTHESIS, HIP, SEMI-CONSTRAINED, METAL/POLYMER, UNCEMENTED
• Manufacturer (Section D): SMITH & NEPHEW ORTHOPAEDICS AG; schachenallee 29; aarau CH-50 00; SZ CH-5000
• Manufacturer (Section G): SMITH & NEPHEW ORTHOPAEDICS AG; schachenallee 29; aarau CH-50 00; SZ CH-5000
• Manufacturer Contact: holly topping ; 7000 west william cannon drive; austin, TX 78735 ; 5123913905
• MDR Report Key: 15579815
• MDR Text Key: 301552323
• Report Number: 9613369-2022-00571
• Device Sequence Number: 1
• Product Code: LWJ
• UDI-Device Identifier: 07611996152692
• UDI-Public: 07611996152692
• Combination Product (y/n): N
• Reporter Country Code: US
• PMA/PMN Number: K143739
• Number of Events Reported: 1
• Summary Report (Y/N): N
• Report Source: Manufacturer
• Source Type: Study,Health Professional,User Facility,Company Representative
• Reporter Occupation: Physician
• Type of Report: Initial,Followup
• Report Date: 11/09/2022

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
• Device Operator: Health Professional
• Device Model Number: 75102209
• Device Catalogue Number: 75102209
• Device Lot Number: UNKNOWN
• Was Device Available for Evaluation?: No
• Is the Reporter a Health Professional?: Yes
• Initial Date Manufacturer Received: 10/10/2022
• Initial Date FDA Received: 10/11/2022
• Supplement Dates Manufacturer Received: 11/06/2022
• Supplement Dates FDA Received: 11/09/2022
• Is the Device Single Use?: Yes
• Is This a Reprocessed and Reused Single-Use Device?: No
• Type of Device Usage: Initial
• Patient Sequence Number: 1
• Treatment: PN: 71335554 / LOT: UNKNOWN; PN: 71343604 / LOT: UNKNOWN
• Patient Outcome(s): Required Intervention; Hospitalization
• Patient Age: 57 YR
• Patient Sex: Male