MAUDE Adverse Event Report: STRYKER ORTHOPAEDICS-MAHWAH UNKNOWN_66F RAS SHELL; PROSTHESIS, HIP, SEMI-CONSTRAINED, METAL/POLYMER, POROUS UNCEMENTED

Catalog Number UNK_JR

Device Problem Loss of Osseointegration (2408)

Patient Problems Inadequate Osseointegration (2646); Fibrosis (3167)

Event Date 01/05/2024

Event Type  Injury  

Manufacturer Narrative

Reported event: an event regarding loosening involving an unknown shell 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: insufficient information was provided to support a medical review.Product history review: could not be performed as the device lot details were not provided.Complaint history review: could not be performed as the device lot details were not provided.Conclusions: it was reported that the patient was revised due to loosening of the shell and fibrous ingrowth.Intra-operatively, screws were noted to be broken.The exact cause of the event could not be determined because insufficient information was provided.Further information such as return of the device, 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 devices and/or additional information become available to indicate further evaluation is warranted, this record will be reopened.H3 other text : device not returned to the manufacturer.

Event Description

It was reported that the patient's right hip was revised due to loosening of the shell and fibrous ingrowth.Intra-operatively, screws were noted to be broken.The shell, screws, liner, and head were revised.Rep confirmed there are no allegations against the revised liner and head, and that no further information will be released by the hospital or surgeon.

• Brand Name: UNKNOWN_66F RAS SHELL
• Type of Device: 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-MAHWAH; 325 corporate drive; mahwah NJ 07430
• Manufacturer Contact: sanjana talathi ; 325 corporate drive; mahwah, NJ 07430 ; 2018315000
• MDR Report Key: 18594353
• MDR Text Key: 333898731
• Report Number: 0002249697-2024-00154
• Device Sequence Number: 1
• Product Code: LPH
• Combination Product (y/n): N
• Reporter Country Code: US
• Number of Events Reported: 1
• Summary Report (Y/N): N
• Report Source: Manufacturer
• Source Type: Health Professional
• Reporter Occupation: Physician
• Type of Report: Initial
• Report Date: 01/29/2024

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
• Device Operator: Health Professional
• Device Catalogue Number: UNK_JR
• Device Lot Number: UNKNOWN
• Was Device Available for Evaluation?: No
• Is the Reporter a Health Professional?: Yes
• Initial Date Manufacturer Received: 01/05/2024
• Initial Date FDA Received: 01/29/2024
• Was Device Evaluated by Manufacturer?: Device Not Returned to Manufacturer
• 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
• Patient Outcome(s): Required Intervention; Hospitalization
• Patient Age: 65 YR
• Patient Sex: Male
• Patient Weight: 102 KG