MAUDE Adverse Event Report: GLAUKOS CORPORATION ISTENT INJECT W TRABECULAR MICRO BYPASS SYSTEM; INTRAOCULAR PRESSURE LOWERING IMPLANT

Model Number	G2-W-US
Medical Device Problem Code	Obstruction of Flow (2423)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	11/05/2021
Type of Reportable Event	Malfunction
Additional Manufacturer Narrative
Additional information: the device was not available; therefore, product testing on the actual device could not be performed.The device history record review of the manufacturing lot, including relevant sterilization records, was performed and there were no non-conformities found to be related to the reported event.A review of the device labeling was completed.Stent obstruction 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.The reported events are established risks 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 right eye (od) cataract plus trabecular microbypass stent system procedure, the patient presented approximately one (1) week postop with stent obstruction described as "mild and non-serious" with "the iris pulled into the stent lumen", observed during a slit lamp examination.Per report, there was no intervention performed and the event was noted as ongoing.The most recent patient status was described as "intraocular pressure (iop) remains satisfactory with the stent visible in the original implant location" as of the one (1) year postop follow-up examination.Additional information is being requested.

• Brand Name: ISTENT INJECT W TRABECULAR MICRO BYPASS SYSTEM
• Common Device Name: INTRAOCULAR PRESSURE LOWERING IMPLANT
• 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: 17638417
• Report Number: 2032546-2023-00090
• Device Sequence Number: 7816239
• Product Code: OGO
• UDI-Device Identifier: 00853704002319
• UDI-Public: 0100853704002319
• Combination Product (Y/N): N
• Initial Reporter State: ND
• Initial Reporter Country: US
• PMA/510(K) Number: P170043
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2021
• Serviced by Third Party (Y/N): Unknown
• Reporter Type: Manufacturer
• Report Source: Study,Health Professional,Company Representative
• Initial Reporter Occupation: Physician
• Type of Report: Initial
• Report Date (Section B): 08/28/2023

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: 06/30/2024
• Device Model Number: G2-W-US
• Device Lot Number: 110884
• 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: Not provided
• Initial Report FDA Received Date: 08/28/2023
• Was Device Evaluated by Manufacturer? (Y/N): Device Not Returned to Manufacturer
• Date Device Manufactured: 08/26/2021
• 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: 60 YR
• Patient Sex: Female