MAUDE Adverse Event Report: PROCEPT BIOROBOTICS CORPORATION HYDROS ROBOTIC SYSTEM; FLUID JET REMOVAL SYSTEM

Catalog Number	HY1000T
Medical Device Problem Code	Appropriate Device Problem Term/Code Not Available (3191)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	11/17/2025
Type of Reportable Event	Malfunction
Additional Manufacturer Narrative
Root cause of the reported event has not yet been established.Investigation by manufacturer is currently in-process.Submission of this report does not constitute an admission that the manufacturer's product caused or contributed to the event.
Event or Problem Description
A male patient underwent aquablation therapy to treat symptomatic benign prostatic hyperplasia (bph).Procept biorobotics corporation was notified that after aquabeam handpiece insertion, the customer heard a cracking sound and received an unspecified error code.The handpiece was removed and observed to be slightly bent.A new handpiece was attached and inserted, but there was resistance when scrolling the scope tip, and the cystoscope image no longer worked.As a result of this event, the surgeon elected to proceed with a transurethral resection of the prostate (turp) instead.There were no adverse health consequences to the patient as a result of this event.
Additional Manufacturer Narrative
The hydros handpiece was not returned for investigation.Three (3) good faith efforts were made by procept to retrieve the product without success.The root cause of the reported event was unable to be established as the device was not returned for investigation.A review of the device history record (dhr) for hy1000/serial number (b)(6) and hydros handpiece/lot number 25c02416 was conducted, which confirmed that there were no non-conformances, failures, discrepancies, or missed steps during the manufacturing process that could be related to the reported failure.The review indicated that the device met all design and manufacturing specifications when released for distribution.The hydros robotic system's treatment log files were reviewed and multiple e917 error codes were encountered during the procedure.The reported event was confirmed.Um0401-00-01 rev c hydros robotic system user manual was reviewed: 17.2: e917 reconnect component.1.Release foot pedal.2.Check status panel for source of issues.3.Reconnect or replace component as needed until status becomes green.4.Click ok to clear alert; may require realignment and replanning if issue persists, call procept biorobotics.Submission of this report does not constitute an admission that the manufacturer's product caused or contributed to the event.

• Brand Name: HYDROS ROBOTIC SYSTEM
• Common Device Name: FLUID JET REMOVAL SYSTEM
• Manufacturer (Section D): PROCEPT BIOROBOTICS CORPORATION; 150 baytech dr; san jose CA 95134
• Manufacturer (Section G): PROCEPT BIOROBOTICS CORPORATION; 150 baytech dr; san jose CA 95134
• Manufacturer Contact: doria esquivel ; 150 baytech dr; san jose, CA 95134 ; 6502327291
• MDR Report Key: 23790795
• Report Number: 3012977056-2025-00300
• Device Sequence Number: 10477272
• Product Code: IYN
• UDI-Device Identifier: 00850055427051
• UDI-Public: 0100850055427051172706301025C02416
• Combination Product (Y/N): N
• Initial Reporter Country: US
• PMA/510(K) Number: K240200
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Serviced by Third Party (Y/N): N
• Reporter Type: Manufacturer
• Report Source: Company Representative
• Initial Reporter Occupation: Physician
• Type of Report: Initial,Followup
• Report Date (Section B): 04/21/2026

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 Catalogue Number: HY1000T
• Was Device Available for Evaluation?: Yes
• Is the Reporter a Health Professional?: Yes
• Type of Report(Section G): Initial
• Initial Date Received by Manufacturer: 11/18/2025
• Supplement Date Received by Manufacturer: 03/26/2026
• Initial Report FDA Received Date: 12/12/2025
• Supplement Report FDA Received Date: 04/21/2026
• Was Device Evaluated by Manufacturer? (Y/N): No
• 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
• Usage of Device: A
• Patient Sequence Number: 1
• Patient Sex: Male