Published Technical Disclosure Archive

Extracorporeal fluid treatment systems for diverse industries

Publication ID: 24-11857715_0002_PTD
Published: October 28, 2025
Category:New Applications & Use Cases

Legal Citation

pr1or.art Inc., “Extracorporeal fluid treatment systems for diverse industries,” Published Technical Disclosure No. 24-11857715_0002_PTD, Published October 28, 2025, available at https://archive.pr1or.art/24-11857715_0002_PTD
This technical disclosure describes improvements that would be readily apparent to a Person Having Ordinary Skill In The Art (PHOSITA) when considered in combination with the foundational architecture disclosed in U.S. Patent No. 11,857,715.

Summary of the Inventive Concept

The inventive concept adapts the core technology of the original extracorporeal blood treatment apparatus to various non-medical industries, providing novel solutions for water purification, industrial wastewater treatment, agricultural water treatment, and surface sanitization.

Background and Problem Solved

The original patent focused on extracorporeal blood treatment, but its core technology has broader applicability. The inventive concept addresses the need for efficient and effective fluid treatment systems in diverse industries, where existing solutions may be inadequate or unavailable.

Detailed Description of the Inventive Concept

The inventive concept comprises a fluid treatment device, a fluid warming device, and an extracorporeal fluid circuit including a fluid withdrawal line and a fluid return line coupled to the fluid treatment device. The fluid return line includes a heating zone for warming the treated fluid. This modular design enables adaptation to various industries, such as water purification, industrial wastewater treatment, agricultural water treatment, and surface sanitization. The system's flexibility and scalability make it an attractive solution for these industries.

Novelty and Inventive Step

The inventive concept's novelty lies in its application of the original patent's core technology to non-medical industries, introducing a new paradigm for fluid treatment. The inventive step resides in the recognition of the broader applicability of the extracorporeal fluid treatment concept and its adaptation to diverse industries.

Alternative Embodiments and Variations

Alternative embodiments may include variations in fluid treatment devices, warming devices, and circuit configurations to accommodate specific industry requirements. For example, the system could be miniaturized for point-of-use water purification or scaled up for industrial wastewater treatment.

Potential Commercial Applications and Market

The inventive concept has significant commercial potential in various industries, including water purification, industrial wastewater treatment, agricultural water treatment, and surface sanitization. The market for these applications is substantial, with growing demand for efficient and effective fluid treatment solutions.

CPC Classifications

SectionClassGroup
A A61 A61M1/369
A A61 A61M1/3623
A A61 A61M1/3626
A A61 A61M1/3627
A A61 A61M1/3643
A A61 A61M39/28
A A61 A61M2205/3344
A A61 A61M2205/36

Field of Art

Extracorporeal fluid treatment systems, specifically medical and industrial fluid processing technologies involving circuit design, fluid warming, and treatment methodologies

Person of Ordinary Skill (PHOSITA) Profile

A skilled practitioner with expertise in biomedical engineering, fluid dynamics, thermal transfer systems, and industrial process engineering, capable of adapting medical device technologies to alternative industrial applications

Obviousness Rationale

A person having ordinary skill would recognize the fundamental modularity of the extracorporeal treatment system, understanding that the core technological principles of fluid circulation, warming, and treatment are transferable across different domains. The source patent's detailed circuit design provides a comprehensive technical framework that can be readily adapted to non-medical fluid processing contexts. The PTD's variations represent predictable engineering modifications that leverage the existing technological infrastructure with minimal inventive complexity.

Obvious Combinations & Variations

Source Patent Element
Extracorporeal blood circuit with heating zone in return line
PTD Variation
Replacing blood circuit with water/industrial fluid circuit while maintaining identical structural configuration
Obviousness Reasoning
Predictable substitution of fluid type with equivalent thermal and circulatory requirements, representing a standard design adaptation technique
Source Patent Element
Blood treatment device with withdrawal and return lines
PTD Variation
Implementing equivalent configuration for water purification, wastewater treatment, and surface sanitization
Obviousness Reasoning
Known technique of translating medical device architecture to industrial fluid processing through systematic component mapping
Source Patent Element
Control mechanisms for fluid circuit lines
PTD Variation
Applying pinch valve and pressure sensor concepts to alternative fluid treatment systems
Obviousness Reasoning
Recognized engineering practice of transferring control mechanism principles across similar technological domains
Source Patent Element
Priming method for extracorporeal circuit
PTD Variation
Extending priming methodology to non-medical fluid treatment initialization processes
Obviousness Reasoning
Standard engineering approach of generalizing specialized medical procedures to broader technological applications
35 U.S.C. § 103 Summary: Based on US Patent 11857715, the present publication demonstrates that a person having ordinary skill in extracorporeal fluid treatment technologies would find the disclosed industrial fluid processing variations obvious, as the fundamental technological architecture remains substantially unchanged while merely substituting domain-specific implementation details. The systematic transferability of the source patent's core technological principles renders the claimed variations prima facie obvious under 35 U.S.C. ยง 103.

Original Patent Information

Patent NumberUS 11,857,715
TitleExtracorporeal blood treatment apparatus
Assignee(s)Gambro Lundia AB