Medical fluid generation apparatus

The medical fluid generation apparatus addresses the lack of electronic communication in dialysis systems by using pressure sensors and control units to synchronize fluid delivery to PD cyclers, enhancing treatment efficiency and safety.

WO2026114842A1PCT designated stage Publication Date: 2026-06-04GAMBRO LUNDIA AB
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Patent Information

Application Number
PCT/EP2025/084114
Authority / Receiving Office
WO · WO
Patent Type
Applications
Current Assignee / Owner
Priority Date
2024-11-26
Filing Date
2025-11-25
Publication Date
2026-06-04

AI Technical Summary

Technical Problem

Existing dialysis fluid generation systems lack electronic communication with PD cyclers, leading to inefficiencies, potential infections, and increased workload due to manual monitoring and adjustments, as they cannot coordinate fluid flow rates effectively.

Method used

A medical fluid generation apparatus that uses pressure sensors and control units to synchronize fluid delivery to external devices like PD cyclers without electronic communication, by detecting pressure variations and adjusting fluid supply based on demand, ensuring timely and accurate delivery.

Benefits of technology

Ensures efficient, safe, and synchronized operation of dialysis treatments by coordinating fluid delivery to external devices, reducing human error and operational challenges, and maintaining patient safety.

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Abstract

A medical fluid generation apparatus (1) is provided with a fluid circuit (2) having an inlet (4) for receiving water, a pump (6) to pump fluid and an outlet (5) to supply medical fluid to a cycler. A control unit (19) is configured to determine a no-flow pressure based on the outlet pressure signal in a no-flow condition in which there is no medical fluid supply from the medical fluid generating apparatus (1) to the external medical device (101) and detect a pressure variation from the no-flow pressure in a medical fluid usage condition. The control unit (19) is further configured to determine a state of need for the medical fluid and command a supply of the medical fluid to the external medical device, wherein the state of need is determined based on a switch from the medical fluid usage condition to the no-flow condition.
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Citation Information

Patent Citations

  • Dialysis system with online dialysis fluid generation

    US20220409792A1

  • Peritoneal dialysate fluid generation system with integrated cycler

    WO2017176701A1

  • Peritoneal dialysis system and a control system therefor

    EP4015013A1

  • Fluid preparation and treatment devices methods and systems

    US11207454B2

  • Medical fluid generation system

    WO2022084425A1