MAUDE Adverse Event Report: SMITH & NEPHEW ORTHOPAEDICS AG POLARCUP SHELL NON-CEMENTED (TI-PLASMA OR TI/HA); PROSTHESIS, HIP, SEMI-CONSTRAINED, METAL/POLYMER, POROUS UNCEMENTED

Catalog Number UNKNOWN

Device Problem Loss of Osseointegration (2408)

Patient Problems Failure of Implant (1924); Osteolysis (2377); Inadequate Osseointegration (2646)

Event Date 03/10/2020

Event Type  Injury  

Manufacturer Narrative

Internal complaint reference: (b)(4).

Event Description

It was reported that, after a left tha had been performed on (b)(6) 2006, the patient experienced lysis around the acetabular cup, loosening and malalignment of the acetabular cup.A revision surgery was performed on (b)(6) 2020 to treat this adverse event.During this procedure, the acetabular cup was explanted.The patient's health status is unknown.This information was provided by the national joint registry of the united kingdom, as part of a retrospective data collection of patients who underwent either a revision or re-revision surgery where a polarcup shell was part of the hip construct.As such, no further information will be available.

Manufacturer Narrative

A total of 70 revision surgeries involving polarcup devices was reported by the uk national joint registry.104 complaints were opened accordingly.A review of the device history record (dhr), of the complaint history (chr), of the instruction for use (ifu), of the risk management file (rmr) and of past escalation (per) was performed.No relevant supporting clinical information was provided.Based on insufficient information, a thorough clinical assessment cannot be performed at this time.The patient's current condition is unknown and the patient impact beyond the reported events could not be determined.Based on the chr and dhr evaluation performed there is no indication that any failure to meet specification contributed to the reported events.The reported failure modes are outlined in the device instruction for use.The occurrence and severity of the reported issues are in line with the risk plans.The root cause of the reported events was attributed to known inherent risks of the devices.No corrective actions have been initiated.Internal complaint reference number: (b)(4).

• Brand Name: POLARCUP SHELL NON-CEMENTED (TI-PLASMA OR TI/HA)
• Type of Device: PROSTHESIS, HIP, SEMI-CONSTRAINED, METAL/POLYMER, POROUS 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: 15089606
• MDR Text Key: 296461675
• Report Number: 9613369-2022-00427
• Device Sequence Number: 1
• Product Code: LPH
• Combination Product (y/n): N
• Reporter Country Code: UK
• PMA/PMN Number: UNKNOWN
• Number of Events Reported: 1
• Summary Report (Y/N): N
• Report Source: Manufacturer
• Source Type: Other,Foreign,Study,Company Representative
• Reporter Occupation: Other
• Type of Report: Initial,Followup
• Report Date: 08/19/2022

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?: Yes
• Device Operator: Health Professional
• Device Catalogue Number: UNKNOWN
• Device Lot Number: UNKNOWN
• Was Device Available for Evaluation?: No
• Is the Reporter a Health Professional?: No
• Initial Date Manufacturer Received: 06/30/2022
• Initial Date FDA Received: 07/22/2022
• Supplement Dates Manufacturer Received: 07/29/2022
• Supplement Dates FDA Received: 08/19/2022
• Was Device Evaluated by Manufacturer?: No
• 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: UNKNOWN POLARCUP PLASTIC INSERT
• Patient Outcome(s): Required Intervention; Hospitalization
• Patient Age: 81 YR
• Patient Sex: Female
• Patient Weight: 75 KG