MAUDE Adverse Event Report: GLAUKOS CORPORATION ISTENT INFINITE TRABECULAR MICRO-BYPASS SYSTEM; AQUEOUS SHUNT

Model Number	IS3-US
Medical Device Problem Code	Malposition of Device (2616)
Health Effect - Clinical Code	Foreign Body In Patient (2687)
Date of Event	07/15/2024
Type of Reportable Event	Malfunction
Additional Manufacturer Narrative
Additional information: the device remains in the patient; therefore, product testing on the actual device could not be performed.The device history record review of the manufacturing lot was performed and there were no non-conformities found to be related to the reported event.A review of the device labeling was completed.Malpositioned stent is identified in the labeling as a known inherent risk of trabecular micro-bypass stent procedure.The ifu adequately provides instructions for stent implantation, precautions, and warnings for the proper use and handling of the device.An adverse event appears to have occurred, but does not appear to have been a problem with the device or the way it was used.Malpositioned stent is an established risk associated with use of the device, which is clearly specified in the product's labeling.Based on the information received, the root cause of the reported event could not be conclusively identified.Mfr# reference: (b)(4).
Event or Problem Description
It was reported that following a left eye (os) cataract surgery, the first stent (of three (3) stents) from a trabecular microbypass stent system fell below the iris and behind the pseudophacic lens during attempt to implant the stent.Per report, the other two (2) stents were successfully implanted in the trabecular meshwork (tm), however the surgeon was unable to intraoperatively retrieve the mispositioned stent.Reportedly, the patient is being monitored and is doing well with the intraocular pressure down eight (8) points as of postop day one (1), and the mispositioned stent on the posterior part of the intraocular lens haptic.Additional information has been requested.

• Brand Name: ISTENT INFINITE TRABECULAR MICRO-BYPASS SYSTEM
• Common Device Name: AQUEOUS SHUNT
• Manufacturer (Section D): GLAUKOS CORPORATION; 229 avenida fabricante; san clemente CA 92672
• Manufacturer (Section G): GLAUKOS CORPORATION; 229 avenida fabricante; san clemente CA 92672
• Manufacturer Contact: brittany massey ; 229 avenida fabricante; san clemente, CA 92672 ; 949367960
• MDR Report Key: 19829348
• Report Number: 2032546-2024-00084
• Device Sequence Number: 17985527
• Product Code: KYF
• UDI-Device Identifier: 00853704002449
• UDI-Public: 0100853704002449
• Combination Product (Y/N): N
• Initial Reporter State: CA
• Initial Reporter Country: US
• PMA/510(K) Number: K220032
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2024
• Serviced by Third Party (Y/N): Unknown
• Reporter Type: Manufacturer
• Report Source: Company Representative
• Initial Reporter Occupation: Physician
• Type of Report: Initial
• Report Date (Section B): 07/25/2024

1 Device was Involved in the Event

1 Patient was Involved in the Event

• Is this an Adverse Event Report?: No
• Is this a Product Problem Report?: Yes
• Operator of Device: Health Professional
• Device Expiration Date: 03/31/2026
• Device Model Number: IS3-US
• Device Lot Number: 318528
• Was Device Available for Evaluation?: No
• Is the Reporter a Health Professional?: Yes
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 07/15/2024
• Initial Report FDA Received Date: 07/25/2024
• Was Device Evaluated by Manufacturer? (Y/N): No
• Date Device Manufactured: 05/20/2024
• Is the Device Labeled for Single Use? (Y/N): Yes
• Is This a Single-Use Device that was Reprocessed and Reused on a Patient? (Y/N): No
• Usage of Device: Initial
• Patient Sequence Number: 1
• Patient Age: 80 YR
• Patient Sex: Female