MAUDE Adverse Event Report: STRYKER ORTHOPAEDICS-MAHWAH SIMPLEX P WITH TOBRAMYCIN 1 PACK; BONE CEMENT, ANTIBIOTIC

Model Number 6197-9-001

Device Problems Loss of Osseointegration (2408); Patient Device Interaction Problem (4001)

Patient Problems Foreign Body Reaction (1868); Pain (1994); Inadequate Osseointegration (2646)

Event Date 01/09/2023

Event Type  Injury  

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.The following devices were also listed in this report: cat# 09390110; exeter 2.5 i m plug 10mm; lot# l6281; cat# 0580-1-351; exeter v40 stem 35.5mm; lot# g3583485.It cannot be determined which, if any of these devices may have caused or contributed to the patient's experience.

Event Description

It was reported that the patient's left hip was revised.Office visit notes report patient complaint of pain with 'profound bone loss around the femoral cement mantle.' surgeon reported suspicion of patient reaction to cement (it is unclear if this is attributed to the simplex cement or the cement bone plug, but lesions of the femur were noted to be higher up/ further away from the bone plug).The cement, plug, stem, head and liner were revised.Rep confirmed there are no allegations against the revised head and liner.

Manufacturer Narrative

An event regarding loosening involving simplex cement mix was reported.The event was confirmed via clinician review of the provided medical records.Method & results: -device 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 indicated: a review of the provided medical records by a clinical consultant indicated: the operative note describes an uneventful hybrid total hip arthroplasty with a cemented femur and press fit acetabulum.The x-rays dated (b)(6) 2022 show this arthroplasty in anatomic position.They also demonstrate significant bone loss particularly posteriorly and medially with marked thinning of the cortex.The (b)(6) 2022 office note states the patient did quite well for many years after her initial surgery however, over the prior 6 months she had developed increasingly severe pain to the point she had difficulty bearing weight on the extremity.The surgeon reviewed her physical examination and x-rays and described the bone loss and likely loss of fixation.He reviewed his findings in detail with the and recommended a revision total hip arthroplasty with removal of the femoral stem and cement as well as exchange of the head and liner.No records related to this revision surgery were provided.A patient who had a hybrid total hip in 2013 developing severe pain related to profound bone loss and prosthetic loss of fixation necessitating revision surgery is confirmed.The root cause of this bone loss and loosening cannot be determined by the information provided.Product history review: not performed as no lot information was provided.Complaint history review: not performed as no lot information was provided.Conclusion: a review of the provided medical records by a clinical consultant indicated: a review of the provided medical records by a clinical consultant indicated: the operative note describes an uneventful hybrid total hip arthroplasty with a cemented femur and press fit acetabulum.The x-rays dated 12/6/22 show this arthroplasty in anatomic position.They also demonstrate significant bone loss particularly posteriorly and medially with marked thinning of the cortex.The 12/6/22 office note states the patient did quite well for many years after her initial surgery however, over the prior 6 months she had developed increasingly severe pain to the point she had difficulty bearing weight on the extremity.The surgeon reviewed her physical examination and x-rays and described the bone loss and likely loss of fixation.He reviewed his findings in detail with the and recommended a revision total hip arthroplasty with removal of the femoral stem and cement as well as exchange of the head and liner.No records related to this revision surgery were provided.A patient who had a hybrid total hip in 2013 developing severe pain related to profound bone loss and prosthetic loss of fixation necessitating revision surgery is confirmed.The root cause of this bone loss and loosening cannot be determined by the information provided.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.

Event Description

It was reported that the patient's left hip was revised.Office visit notes report patient complaint of pain with 'profound bone loss around the femoral cement mantle.' surgeon reported suspicion of patient reaction to cement (it is unclear if this is attributed to the simplex cement or the cement bone plug, but lesions of the femur were noted to be higher up/ further away from the bone plug).The cement, plug, stem, head and liner were revised.Rep confirmed there are no allegations against the revised head and liner.

• Brand Name: SIMPLEX P WITH TOBRAMYCIN 1 PACK
• Type of Device: BONE CEMENT, ANTIBIOTIC
• Manufacturer (Section D): STRYKER ORTHOPAEDICS-MAHWAH; 325 corporate drive; mahwah NJ 07430
• Manufacturer (Section G): STRYKER ORTHOPAEDICS-LIMERICK; raheen business park; limerick NA ; EI NA
• Manufacturer Contact: joann ripoli ; 325 corporate drive; mahwah, NJ 07430 ; 2018315000
• MDR Report Key: 16271179
• MDR Text Key: 308455979
• Report Number: 0002249697-2023-00094
• Device Sequence Number: 1
• Product Code: MBB
• UDI-Device Identifier: 07613327128420
• UDI-Public: 07613327128420
• Combination Product (y/n): N
• Reporter Country Code: US
• PMA/PMN Number: K014199
• Number of Events Reported: 1
• Summary Report (Y/N): N
• Report Source: Manufacturer
• Source Type: Other,Health Professional
• Reporter Occupation: Physician
• Type of Report: Initial,Followup
• Report Date: 04/04/2023

1 Device was Involved in the Event

1 Patient was Involved in the Event

• Date FDA Received: 01/31/2023
• Is this an Adverse Event Report?: Yes
• Is this a Product Problem Report?: No
• Device Operator: Health Professional
• Device Model Number: 6197-9-001
• Device Catalogue Number: 6197-9-001
• Device Lot Number: UNKNOWN
• Was Device Available for Evaluation?: No
• Is the Reporter a Health Professional?: Yes
• Date Manufacturer Received: 03/08/2023
• 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): Hospitalization; Required Intervention
• Patient Age: 73 YR
• Patient Sex: Female
• Patient Weight: 49 KG