MAUDE Adverse Event Report: STRYKER ORTHOPAEDICS-MAHWAH TRIDENT ALUMINA INSERT; PROSTHESIS, HIP, SEMI-CONSTRAINED, METAL/CERAMIC/CERAMIC/METAL, CEMENTED OR UNCE

Model Number	625-0T-32F
Medical Device Problem Code	Insufficient Device Problem Information (3190)
Health Effect - Clinical Codes	Pain (1994); Ambulation or Postural Difficulties (2544)
Date of Event	11/03/2008
Type of Reportable Event	Serious Injury
Additional Manufacturer Narrative
An event regarding patient factors involving trident liner was reported.The event was not confirmed.Method & results: device evaluation and results: not performed as product remains implanted.Clinician review: a review of the provided medical records by a clinical consultant indicated: rejected for medical review: " re (b)(4), which is from (b)(6), and represents a male patient described as 1.77 meters tall and weighing (b)(6) kg with a dob (b)(6).The event description states, "had an abg trident ceramic on ceramic hip in 2008 [pain since.Using crutches.X-ray.Looks ok.Like to know if abg.Recall]." on (b)(6) 2007, cons.Fractured right hip 12 years ago.Increased pain for 2 years.Secondary osteoarthritis.On (b)(6) 2008, plan right tha.On (b)(6) 2008, "right uncemented thr - abg." brief op note #7 right abg2 stem, 32 ceramic on ceramic bearing, 56 shell.Uncomplicated surgery and hospital course.On (b)(6) 2009, "good progress." on (b)(6) 2009, normal gait, very good rom, unable to run with any speed." on (b)(6) 2011,"unhappy, aching, and hip discomfort." x-ray is satisfactory; no change." on (b)(6) 2011, second opinion: "x-ray perfect positioning, impression scar tissue, reassurance." extensive medical records prior to, during the hospitalization, and post op right tha alluding to persistent discomfort with no radiographic, functional, or lab abnormalities noted.X-ray on (b)(6) 2020: ap and lat right hip, uncemented tha reduced, nominal, no pathology noted.A letter from stryker orthopaedics dated 6/18/20 noting product# 27395901 implanted in this patient was involved in a recall.There is no evidence that the vague symptoms that have been described for over 10 years since the right tha in this patient, not associated with radiographic or lab abnormalities, are due to the implants.The history of previous trauma and surgery to the right hip has been suggested as causing soft tissue trauma and scarring, which resulted in the persistent symptoms." device history review: review indicated all devices were manufactured, and accepted into final stock with no 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.Additional information including operative reports, progress notes, x-rays and return of the device are needed to fully investigate the event.If further information becomes available or the product is returned, this investigation will be re-opened.
Event or Problem Description
The caller reported that her husband had an abg trident.Ceramic on ceramic hip implanted in (b)(6) 2008, and has had pain since the implants were put in.The patient is reported to limp, and has also been known to collapse.He is currently using crutches to help his mobility.The surgeon explained that on x-ray, the mechanics of the hip looked ok, and that the reported pain could be the result of scar tissue.The surgeon has prescribed pain relief.The caller would like to know if this particular abg device was affected under a recall.

• Brand Name: TRIDENT ALUMINA INSERT
• Common Device Name: PROSTHESIS, HIP, SEMI-CONSTRAINED, METAL/CERAMIC/CERAMIC/METAL, CEMENTED OR UNCE
• Manufacturer (Section D): STRYKER ORTHOPAEDICS-MAHWAH; 325 corporate drive; mahwah NJ 07430
• MDR Report Key: 10263218
• Report Number: 0002249697-2020-01409
• Device Sequence Number: 11479528
• Product Code: MRA
• UDI-Device Identifier: 04546540516855
• UDI-Public: 04546540516855
• Combination Product (Y/N): N
• Initial Reporter Country: GB
• PMA/510(K) Number: P000013
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2008
• Reporter Type: Manufacturer
• Report Source: consumer,other
• Initial Reporter Occupation: Other
• Type of Report: Initial
• Report Date (Section B): 07/13/2020

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: 625-0T-32F
• Device Catalogue Number: 625-0T-32F
• Device Lot Number: 27250402
• Was Device Available for Evaluation?: No
• Type of Report(Section G): Initial
• Initial Date Received by Manufacturer: 06/16/2020
• Initial Report FDA Received Date: 07/13/2020
• 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
• Patient Age: 40 YR