MAUDE Adverse Event Report: LIVANOVA DEUTSCHLAND GMBH ESSENZ VENOUS CLAMP; CONSOLE, HEART-LUNG MACHINE, CARDIOPULMONARY BYPASS

Model Number	NG-EVO - KLEMMEINHEIT
Medical Device Problem Code	Difficult to Open or Close (2921)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	04/09/2025
Type of Reportable Event	Malfunction
Additional Manufacturer Narrative
A.1.-a.5.Patient information were not provided.H11: livanova deutschland manufactures the venous clamp.Dhr review: no non-conformity relevant to the issue.If any additional information pertinent to the reported event is received, it will be provided in a supplemental report.
Event or Problem Description
Livanova deutschland received a report that, during a procedure, it is not possible to modify the status of the venous clamp: when they turn it on they feel that the clamp does something inside mechanically, but the piston does not move and remaining still even after several attempts to turn the system on and off, with also consequent change of door in the power-pack, the problem remains.There is no report of any patient injury.
Additional Manufacturer Narrative
H11: the essenz venous clamp (vc) was returned to manufacturer: the vc hva board and the photo sensor were replaced and, after performing all the functional tests with positive results, the unit was released back into regular service.The involved clamp was manufactured in 2024 and complaints database review revealed that a similar event has been reported to livanova, before device repair to manufacturer.No adverse trend was detected concerning this failure mode.Based on the investigation findings, the root cause of reported event is faulty hva board and photo sensor.The risk is in the acceptable region.No specific action was currently deemed necessary.Livanova will keep monitoring the market.
Event or Problem Description
See initial report.

• Brand Name: ESSENZ VENOUS CLAMP
• Common Device Name: CONSOLE, HEART-LUNG MACHINE, CARDIOPULMONARY BYPASS
• Manufacturer (Section D): LIVANOVA DEUTSCHLAND GMBH; lindberghstrasse 25; munich 80939 ; GM 80939
• Manufacturer (Section G): LIVANOVA DEUTSCHLAND; lindberghstrasse 25; munich 80939 ; GM 80939
• Manufacturer Contact: annarita di lascio ; 14401 w. 65th way; arvada, CO 80004
• MDR Report Key: 21992761
• Report Number: 9611109-2025-90110
• Device Sequence Number: 8480018
• Product Code: DTQ
• Combination Product (Y/N): N
• Initial Reporter Country: IT
• PMA/510(K) Number: K232291
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Serviced by Third Party (Y/N): N
• Reporter Type: Manufacturer
• Report Source: Health Professional
• Initial Reporter Occupation: Other
• Remedial Action: Other
• Type of Report: Initial,Followup
• Report Date (Section B): 04/16/2026

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: NG-EVO - KLEMMEINHEIT
• Device Catalogue Number: 12-80-40
• Was Device Available for Evaluation?: No
• Is the Reporter a Health Professional?: No
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 04/11/2025
• Supplement Date Received by Manufacturer: 03/17/2026
• Initial Report FDA Received Date: 05/09/2025
• Supplement Report FDA Received Date: 04/16/2026
• Was Device Evaluated by Manufacturer? (Y/N): No
• Date Device Manufactured: 12/10/2024
• 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: Reuse
• Patient Sequence Number: 1
• Patient Sex: Unknown