MAUDE Adverse Event Report: ARTHREX, INC. 4.5X24MM PERIPHERAL SCREW, NON-LOCKING; SHOULDER PROSTHESIS, REVERSE CONFIGURATION

Model Number 4.5X24MM PERIPHERAL SCREW, NON-LOCKING

Device Problems Loose or Intermittent Connection (1371); Appropriate Term/Code Not Available (3191)

Patient Problem Insufficient Information (4580)

Event Date 09/16/2020

Event Type  Injury  

Manufacturer Narrative

The contribution of the device to the reported event could not be determined as the device was not returned for evaluation.The root cause of the event could not be determined from the information available and without device evaluation.

Event Description

It was reported through the surgical outcome system that a issue possibly related to an arthrex product took place.Upon further investigation the following was discovered: a patient had undergone a reverse total shoulder arthroplasty (b)(6) 2019.It was diagnosed via x-ray and ct scan (b)(6) 2020 that the patient was experiencing loosening of the implant glenoid side.A revision of glenoid and humeral components with allograft surgery was performed (b)(6) 2020 during which time the following original arthrex implants were explanted: arthrex univers revers mgs peripheral screw nl 4.5x24 mm; lot #170182004; catalog # ar-9562-24nl.Arthrex univers revers mgs peripheral screw 4.5x32 mm; lot #2018001455; catalog # ar-9562-32nl; qty 2.Arthrex central screw modular 30 mm; lot #5652; catalog # ar-9561-30s.Arthrex glenosphere 39 +4 lat/24; lot #18.00656; catalog # ar-9564-2439-lat.Arthrex cup univers revs suture 39mm ntrl +2 left; lot #170074105; catalog # ar-9502f-39lcpc.Arthrex baseplate 24 m modular; lot #5362; catalog # ar-9560-24.After removal of the above devices the surgeon performed a conversion to hemiarthroplasty with glenoid bone graft.

Event Description

Additional information 11/16/20: when the explanted products were returned for evaluation the original humeral insert m/39 +6 to fit in 39 cup, ar-9503m-06 (lot 18.00568) was also returned.It was not included in the original list of explanted products provided.

Manufacturer Narrative

Complaint not confirmed, other than light thread damage and anodization wear, no abnormalities were observed that may have contributed to the event.

• Brand Name: 4.5X24MM PERIPHERAL SCREW, NON-LOCKING
• Type of Device: SHOULDER PROSTHESIS, REVERSE CONFIGURATION
• Manufacturer (Section D): ARTHREX, INC.; 1370 creekside boulevard; naples FL 34108 1945
• MDR Report Key: 10747339
• MDR Text Key: 213678314
• Report Number: 1220246-2020-02273
• Device Sequence Number: 1
• Product Code: PHX
• UDI-Device Identifier: 00888867296671
• UDI-Public: 00888867296671
• Combination Product (y/n): N
• PMA/PMN Number: K173900
• Number of Events Reported: 1
• Summary Report (Y/N): N
• Report Source: Manufacturer
• Source Type: user facility
• Type of Report: Initial,Followup
• Report Date: 11/18/2020

1 Device was Involved in the Event

1 Patient was Involved in the Event

• Date FDA Received: 10/28/2020
• Is this an Adverse Event Report?: Yes
• Is this a Product Problem Report?: No
• Device Operator: Health Professional
• Device Expiration Date: 05/31/2023
• Device Model Number: 4.5X24MM PERIPHERAL SCREW, NON-LOCKING
• Device Catalogue Number: AR-9562-24NL
• Device Lot Number: 170182004
• Was Device Available for Evaluation?: Yes
• Date Manufacturer Received: 10/14/2020
• Is This a Reprocessed and Reused Single-Use Device?: No
• Patient Sequence Number: 1
• Patient Outcome(s): Other