MAUDE Adverse Event Report: STRYKER ORTHOPAEDICS-MAHWAH EXETER V40 STEM 35.5MM; PROSTHESIS, HIP, SEMI-CONSTRAINED, METAL/POLYMER, CEMENTED

Model Number	0580-1-351
Medical Device Problem Codes	Detachment of Device or Device Component (2907); Device Dislodged or Dislocated (2923)
Health Effect - Clinical Code	Pain (1994)
Date of Event	12/28/2022
Type of Reportable Event	Serious Injury
Event or Problem Description
Patient undergoing arthroscopic review due to loosening of the metallic head of the nail cone.
Additional Manufacturer Narrative
It was noted that the device is not available for evaluation.Should additional information become available, it will be provided in a supplemental report upon completion of the investigation.
Additional Manufacturer Narrative
Reported event: an event regarding disassociation involving an exeter stem was reported.The event was not confirmed.Method & results: product evaluation and results: material analysis, visual, functional and dimensional inspections could not be performed as the device remains implanted.Clinician review: a review of the provided medical information by a clinical consultant indicated: "removal of a dhs hip screw followed by a hybrid tha with a press fit acetabulum and cemented exeter stem is confirmed.As is intra-operative greater trochanteric avulsion fracture.The root cause of the reason for hardware removal, conversion to tha and intra-operative fracture cannot be determined limited amount of documentation provided." product history review: review of the device history records indicate the devices were manufactured and accepted into final stock with no relevant reported discrepancies.Complaint history review: there have been no other similar events for the lot referenced.Conclusions: it was reported that the patient was revised due to loosening of the metallic head of the nail cone.A review of the provided medical records by a clinician did not confirm the event.Further information such as return of the device, pathology reports, additional pre- and post-operative x-rays as well as patient history and follow-up notes are needed to complete the investigation for determining root cause.No further investigation for this event is possible at this time.If devices and/or additional information become available to indicate further evaluation is warranted, this record will be reopened.
Event or Problem Description
Patient undergoing arthroscopic review due to loosening of the metallic head of the nail cone.

• Brand Name: EXETER V40 STEM 35.5MM
• Common Device Name: PROSTHESIS, HIP, SEMI-CONSTRAINED, METAL/POLYMER, CEMENTED
• Manufacturer (Section D): STRYKER ORTHOPAEDICS-MAHWAH; 325 corporate drive; mahwah NJ 07430
• Manufacturer (Section G): STRYKER ORTHOPAEDICS-CORK; ida industrial estate; carrigtwohill NA ; EI NA
• Manufacturer Contact: anna ryan ; raheen business park; limerick NA ; EI NA ; 61498200
• MDR Report Key: 16261371
• Report Number: 0002249697-2023-00084
• Device Sequence Number: 20524721
• Product Code: JDI
• UDI-Device Identifier: 04546540153234
• UDI-Public: 04546540153234
• Combination Product (Y/N): N
• Initial Reporter Country: BR
• PMA/510(K) Number: K173499
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2022
• Device Explanted Year: 2022
• Reporter Type: Manufacturer
• Report Source: Distributor
• Initial Reporter Occupation: Other
• Type of Report: Initial,Followup
• Report Date (Section B): 04/07/2023

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 Model Number: 0580-1-351
• Device Catalogue Number: 0580-1-351
• Device Lot Number: G8336601
• Was Device Available for Evaluation?: No
• Is the Reporter a Health Professional?: No
• Type of Report(Section G): Initial
• Initial Date Received by Manufacturer: 01/05/2023
• Supplement Date Received by Manufacturer: 03/10/2023
• Initial Report FDA Received Date: 01/28/2023
• Supplement Report FDA Received Date: 04/07/2023
• Was Device Evaluated by Manufacturer? (Y/N): Device Not Returned to Manufacturer
• Date Device Manufactured: 01/18/2022
• 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
• Outcome Attributed to Adverse Event: Hospitalization; Required Intervention
• Patient Age: 79 YR
• Patient Sex: Female
• Patient Weight: 50 KG