MAUDE Adverse Event Report: HOYA CORPORATION PENTAX TOKYO OFFICE PENTAX; LINEAR ULTRASOUND VIDEO GASTROSCOPE 3.8C

Model Number	EG-3870UTK
Medical Device Problem Code	Optical Obstruction (3002)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	11/18/2025
Type of Reportable Event	Malfunction
Event or Problem Description
The time of event is unknown.There was no report of patient harm.Video image failure(shadow in image).
Additional Manufacturer Narrative
The product was returned to pentax medical for repair.Our technician checked the returned unit and confirmed that the ccd module with drive pcb shadow in image.Based on the result, we concluded that it was caused due to the excessive force applied on the ccd module with drive pcb.In addition, our technician confirmed that the us connector cable (long) buckled, the us connector cable (long) crushed, the deflector washing socket deformed, and the warning/caution label worn out; however, these defects are not the main cause, and/or irrelevant to the alleged complaint.Based on the technical report ""hr-rpt-0586(image failure)"" and/or the risk analysis results, it was evaluated to submit mdr.

• Brand Name: PENTAX
• Common Device Name: LINEAR ULTRASOUND VIDEO GASTROSCOPE 3.8C
• Manufacturer (Section D): HOYA CORPORATION PENTAX TOKYO OFFICE; tsutsujigaoka 1-1-110; akishima-shi, tokyo 196-0 012; JA 196-0012
• Manufacturer (Section G): HOYA CORPORATION PENTAX TOKYO OFFICE; tsutsujigaoka 1-1-110; akishima-shi, tokyo 196-0 012; JA 196-0012
• Manufacturer Contact: gurvinder nanda ; 3 paragon drive; montvale, NJ 07645 ; 2015712318
• MDR Report Key: 23739336
• Report Number: 9610877-2025-54235
• Device Sequence Number: 8449540
• Product Code: ODG
• UDI-Device Identifier: 04961333135899
• UDI-Public: (01)04961333135899(11)190326
• Combination Product (Y/N): N
• Initial Reporter State: MI
• Initial Reporter Country: US
• PMA/510(K) Number: K182004
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Serviced by Third Party (Y/N): Unknown
• Reporter Type: Manufacturer
• Report Source: Health Professional
• Initial Reporter Occupation: Physician
• Type of Report: Initial
• Report Date (Section B): 12/08/2025

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 Model Number: EG-3870UTK
• Was Device Available for Evaluation?: Device Returned to Manufacturer
• Date Returned to Manufacturer: 11/18/2025
• Is the Reporter a Health Professional?: Yes
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 11/18/2025
• Initial Report FDA Received Date: 12/08/2025
• Was Device Evaluated by Manufacturer? (Y/N): Yes
• Date Device Manufactured: 03/26/2019
• Is the Device Labeled for Single Use? (Y/N): No
• Is This a Single-Use Device that was Reprocessed and Reused on a Patient? (Y/N): No
• Patient Sequence Number: 1
• Patient Sex: Unknown