MAUDE Adverse Event Report: NATUS MEDICAL INCORPORATED NT821731C, EDS 3, GEN LL, NO CATHETER

Model Number	NT821731C
Medical Device Problem Code	Break (1069)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	03/11/2026
Type of Reportable Event	Malfunction
Additional Manufacturer Narrative
Initial report ref to natus complaint # (b)(4).(b)(4) rev 13 risk analysis spreadsheet - eds 3 external drainage system hazard 4.9 - the stopcock at the bottom of the burette tube fails during the operation (unable to turn the stopcock valve and/or breakage of the valve) effect (harm): over drainage/under drainage of csf residual risk: medium the hazards identified have been reduced as far as possible, and the benefit of use of the entire product outweighs the risks identified.Related to capa005781.Further investigation to be carried out.
Event or Problem Description
Nt821731c -stopcock between burette and patient broke.No injuries.
Event or Problem Description
(b)(6) -stopcock between burette and patient broke.No injuries.
Additional Manufacturer Narrative
Follow up report ref to natus complaint#(b)(4).The lot number of the affected device was not provided by the customer.Risk management review: a review of (b)(4) medical device hazard analysis (rev 13), identifies the hazard situation as "4.9 - the stopcock at the bottom of the burette tube fails during the operation (unable to turn the stopcock valve and/or breakage of the valve)." the risk level is considered moderate.Based on complaint of "broken stopcock handle." this determination is based on the information received from the customer.Related to capa005781.Root cause/failure investigation: the customer did not return the device for evaluation; an image was provided and attached to the complaint record.Additional testing and evaluation could not be performed as the product was not returned.Devices are fully tested prior to release of product.No further action is required; complaints will be tracked and trended for recurring issues.Failure mode: broken / damaged - stopcock.*confirmed by image only.

• Brand Name: NT821731C, EDS 3, GEN LL, NO CATHETER
• Common Device Name: NT821731C, EDS 3, GEN LL, NO CATHETER
• Manufacturer (Section D): NATUS MEDICAL INCORPORATED; 5955 pacific center boulevard; san diego CA 92121
• Manufacturer (Section G): NATUS MEDICAL INCORPORATED; 5955 pacific center boulevard; san diego 92121
• Manufacturer Contact: 5955 pacific center boulevard; san diego, CA 92121
• MDR Report Key: 24670580
• Report Number: 2023988-2026-00041
• Device Sequence Number: 12025858
• Product Code: JXG
• UDI-Device Identifier: 00382830050555
• UDI-Public: 00382830050555
• Combination Product (Y/N): N
• Initial Reporter Country: US
• PMA/510(K) Number: K162437
• 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: Other
• Type of Report: Initial,Followup
• Report Date (Section B): 04/07/2026

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 Model Number: NT821731C
• Device Catalogue Number: NT821731C
• Was Device Available for Evaluation?: No
• Is the Reporter a Health Professional?: No
• Type of Report(Section G): Follow-Up
• Initial Date Received by Manufacturer: 03/11/2026
• Supplement Date Received by Manufacturer: Not provided
• Initial Report FDA Received Date: 03/23/2026
• Supplement Report FDA Received Date: 04/07/2026
• Was Device Evaluated by Manufacturer? (Y/N): No
• 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
• Patient Sequence Number: 1
• Patient Sex: Unknown