MAUDE Adverse Event Report: STRYKER ORTHOPAEDICS-MAHWAH TRIDENT 0 DEG INSERT 40MM; PROSTHESIS, HIP, SEMI-CONSTRAINED, METAL/POLYMER, POROUS UNCEMENTED

Model Number	623-00-40E
Medical Device Problem Codes	Degraded (1153); Naturally Worn (2988)
Health Effect - Clinical Codes	Inflammation (1932); No Information (3190)
Date of Event	01/28/2019
Type of Reportable Event	Serious Injury
Additional Manufacturer Narrative
It was noted that the device is not available for evaluation.If additional information is received, it will be provided in a supplemental report upon completion of the investigation.Review of the device history records indicate devices were manufactured and accepted into final stock with no reported discrepancies.There have been no other events for the lot referenced.Device evaluated by manufacturer? not returned.
Event or Problem Description
It was reported that the patient's right hip was revised due to trunnionosis.
Additional Manufacturer Narrative
Reported event: an event regarding wear involving a trident liner 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 was not returned.-clinician review: a review of the provided medical records by a clinical consultant stated the following comment: re pi which represents a male patient, described as 185 cm tall and weighing 83.9 kg whose date of implantation is listed as (b)(6) 2008 and explantation (b)(6) 2019.The event description states: ".Right hip was revised due to trunnionosis." on (b)(6) 2019 x-rays: ap pelvis, lat.Right hip - uncemented tha, reduced, nominal, skin staples in situ.On (b)(6) 2018 pre-revision clinic note: ".Right tha in 2008.Pain several months.Right hip full rom with some discomfort with internal rotation.X-ray right hip.Some eccentric wear.On the polyethylene.Plan revision." on (b)(6) 2008 op report right tha for osteoarthritis.Ant-lat approach, uncomplicated surgery.On (b)(6) 2019 op report revision right tha - change head and liner.Post-op diagnosis: "trunnionosis" "black residue around the trunnion" changed to mdm with 28/0 ceramic head.Uncomplicated surgery.On (b)(6) 2019 post-op office visit: "doing fairly well" on (b)(6) 2019 office visit: ".Functioning well.X-ray: good alignment.No loosening or subsidence." no clinical or pmh, no dated serial x-rays or pre-revision studies to review, no examination of explanted components, no lab or surgical pathology reports.Based upon the information available for review, neither confirmation of the event description nor preparation of a medical report is possible for this case.-product history review: indicated all 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: the exact cause of the event could not be determined because insufficient information was provided.Further information such as return of the device, lab or surgical pathology reports, dated serial x-rays, pre-revision studies and patient medical history 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.H3 other text : device not available.
Event or Problem Description
It was reported that the patient's right hip was revised due to trunnionosis.No further information was provided at the time of report.

• Brand Name: TRIDENT 0 DEG INSERT 40MM
• Common Device Name: PROSTHESIS, HIP, SEMI-CONSTRAINED, METAL/POLYMER, POROUS UNCEMENTED
• Manufacturer (Section D): STRYKER ORTHOPAEDICS-MAHWAH; 325 corporate drive; mahwah NJ 07430
• MDR Report Key: 11118321
• Report Number: 0002249697-2021-00034
• Device Sequence Number: 4314488
• Product Code: LPH
• UDI-Device Identifier: 07613327025323
• UDI-Public: 07613327025323
• Combination Product (Y/N): N
• Initial Reporter State: MD
• Initial Reporter Country: US
• PMA/510(K) Number: K062419
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2008
• Device Explanted Year: 2019
• Reporter Type: Manufacturer
• Report Source: health professional,other
• Initial Reporter Occupation: Physician
• Type of Report: Initial,Followup
• Report Date (Section B): 02/24/2021

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 Expiration Date: 06/30/2013
• Device Model Number: 623-00-40E
• Device Catalogue Number: 623-00-40E
• Device Lot Number: N2DMJE
• Was Device Available for Evaluation?: No
• Initial Date Received by Manufacturer: 12/11/2020
• Supplement Date Received by Manufacturer: 01/29/2021
• Initial Report FDA Received Date: 01/05/2021
• Supplement Report FDA Received Date: 02/24/2021
• Is This a Single-Use Device that was Reprocessed and Reused on a Patient? (Y/N): No
• Patient Sequence Number: 1
• Outcome Attributed to Adverse Event: Hospitalization; Required Intervention