MAUDE Adverse Event Report: STRYKER ORTHOPAEDICS-MAHWAH EXETER V40 STEM 37.5MM NO 0; PROSTHESIS, HIP, SEMI-CONSTRAINED, METAL/POLYMER, POROUS UNCEMENTED

Catalog Number	0580-1-352
Medical Device Problem Codes	Mechanical Problem (1384); Adverse Event Without Identified Device or Use Problem (2993)
Health Effect - Clinical Code	Unequal Limb Length (4534)
Date of Event	02/27/2025
Type of Reportable Event	Serious Injury
Additional Manufacturer Narrative
An evaluation of the device cannot be performed as the device was not returned to the manufacturer.Should additional information become available it will be reported in a supplemental report upon completion of the investigation.
Event or Problem Description
Surgeon advised pt experiencing leg length discrepancy, needs revision of exeter stem.Primary surgery performed; revision planned.1 month till planned surgery date.
Event or Problem Description
Surgeon advised pt experiencing leg length discrepancy, needs revision of exeter stem.Primary surgery performed, revision planned.1 month till planned surgery date update: revision surgery performed on (b)(6) 2025.
Additional Manufacturer Narrative
Reported event: an event regarding limb length discrepancy involving an exeter stem was reported.The event was not confirmed.Method & results: product evaluation and results: visual inspection of the returned device indicated damage consistent with time spent implanted and explantation.Clinician review: no medical records were received for review with a clinical consultant.Product history review: review of the device history records indicate 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 leg length discrepancy.The exact cause of the event could not be determined because insufficient information was provided.Further information such as pathology reports, pre- and post-operative x-rays and the revision operative report 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 additional information become available to indicate further evaluation is warranted, this record will be reopened.

• Brand Name: EXETER V40 STEM 37.5MM NO 0
• Common Device Name: PROSTHESIS, HIP, SEMI-CONSTRAINED, METAL/POLYMER, POROUS UNCEMENTED
• 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: sanjana talathi ; 325 corporate drive; mahwah, NJ 07430 ; 2018315000
• MDR Report Key: 21676630
• Report Number: 0002249697-2025-00322
• Device Sequence Number: 18195431
• Product Code: LPH
• UDI-Device Identifier: 04546540153241
• UDI-Public: 04546540153241
• Combination Product (Y/N): N
• Initial Reporter Country: AS
• PMA/510(K) Number: K121308
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2023
• Device Explanted Year: 2025
• Reporter Type: Manufacturer
• Report Source: Health Professional
• Initial Reporter Occupation: Physician
• Type of Report: Initial,Followup
• Report Date (Section B): 07/24/2025

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 Catalogue Number: 0580-1-352
• Device Lot Number: G8386917
• 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: 02/27/2025
• Supplement Date Received by Manufacturer: 06/26/2025
• Initial Report FDA Received Date: 03/24/2025
• Supplement Report FDA Received Date: 07/24/2025
• Was Device Evaluated by Manufacturer? (Y/N): Yes
• Date Device Manufactured: 03/15/2023
• 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: 88 YR
• Patient Sex: Female