Intelligent Check Valve System for Enhanced Fluid Management

Publication ID: 24-11857761_0010_PTD
Published: November 07, 2025
Category:Future Evolutions & Paradigm Shifts

Legal Citation

pr1or.art Inc., “Intelligent Check Valve System for Enhanced Fluid Management,” Published Technical Disclosure No. 24-11857761_0010_PTD, Published November 07, 2025, available at https://archive.pr1or.art/24-11857761_0010_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. 11,857,761.

Summary of the Inventive Concept

The present disclosure relates to a next-generation check valve system that integrates advanced sensors, microcontrollers, and self-cleaning mechanisms to optimize fluid flow, particulate removal, and real-time monitoring in IV sets, revolutionizing fluid management in medical treatments.

Background and Problem Solved

The original check valve patent, while effective in preventing backflow, has limitations in addressing particulate accumulation, fluid flow obstruction, and real-time monitoring. The new inventive concept addresses these limitations by introducing a smart, modular, and customizable check valve system that ensures uninterrupted fluid flow, reduces the risk of contamination, and provides real-time feedback to healthcare professionals.

Detailed Description of the Inventive Concept

The intelligent check valve system comprises a modular assembly of interchangeable valve bodies and wiping extensions, allowing for customization of fluid flow characteristics and particulate removal capabilities. The system integrates a self-cleaning mechanism activated by a sensor detecting particulate accumulation, ensuring optimal fluid flow and minimizing the risk of contamination. A real-time fluid flow monitoring system is also integrated, enabling healthcare professionals to respond promptly to flow obstructions. The smart check valve features a microcontroller that adjusts valve operation based on sensor input, optimizing fluid flow and particulate removal. Additionally, the system includes an integrated particulate filter that is replaceable and reusable, further enhancing fluid management capabilities.

Novelty and Inventive Step

The new claims introduce a paradigm shift in check valve technology by integrating advanced sensors, microcontrollers, and self-cleaning mechanisms, which are not obvious extensions of the original patent. The inventive concept's modular design, real-time monitoring capabilities, and adaptive valve operation represent a significant departure from the prior art, providing a novel and non-obvious solution to the limitations of traditional check valves.

Alternative Embodiments and Variations

Alternative embodiments of the inventive concept could include varying sensor types, microcontroller architectures, and self-cleaning mechanisms to accommodate different fluid management applications. For example, the system could be adapted for use in dialysis machines, surgical equipment, or pharmaceutical manufacturing processes. Variations could also include different materials, sizes, and geometries for the valve bodies and wiping extensions to suit specific fluid flow requirements.

Potential Commercial Applications and Market

The intelligent check valve system has significant commercial potential in the medical device industry, particularly in the IV set market. The system's advanced features and real-time monitoring capabilities could revolutionize fluid management in medical treatments, reducing the risk of contamination, improving patient outcomes, and increasing healthcare efficiency. Target industries could include hospitals, clinics, and medical device manufacturers, with potential applications in other fields such as pharmaceuticals, biotechnology, and food processing.

CPC Classifications

SectionClassGroup
A A61 A61M5/16881
A A61 A61M39/24
B B08 B08B1/005
B B08 B08B1/02
F F16 F16K15/02
F F16 F16K15/023
A A61 A61M2039/246
A A61 A61M2209/10

Field of Art

Medical fluid management systems, specifically intravenous (IV) set check valve technologies, involving mechanical fluid control, sensor integration, and medical device design

Person of Ordinary Skill (PHOSITA) Profile

A biomedical engineer or medical device designer with expertise in fluid control mechanisms, sensor technologies, and medical device manufacturing, holding a bachelor's or master's degree with 3-5 years of experience in medical device design and fluid management systems

Obviousness Rationale

A PHOSITA would recognize that integrating sensor-based monitoring and self-cleaning mechanisms into the existing check valve design represents a predictable technological evolution. The source patent's modular valve structure provides a clear foundation for adding intelligent control systems. The proposed variations leverage known sensor and microcontroller technologies to enhance the fundamental fluid control principles already established in the original patent.

Obvious Combinations & Variations

Source Patent Element
Valve body with inlet and outlet portions defining a valve cavity
PTD Variation
Adding a microcontroller and sensor to monitor fluid flow and detect particulate accumulation
Obviousness Reasoning
Integrating electronic monitoring into mechanical systems is a known technique in medical device design, representing a predictable application of existing sensor technologies to improve valve performance
Source Patent Element
Rotatable valve body and wiping extension
PTD Variation
Implementing a self-cleaning mechanism triggered by particulate detection
Obviousness Reasoning
Extending the existing mechanical movement capabilities to include automated cleaning represents an obvious design optimization using known mechanical principles
Source Patent Element
Valve cavity in fluid communication with inlet portion
PTD Variation
Adding an integrated, replaceable particulate filter within the valve system
Obviousness Reasoning
Incorporating filtration mechanisms is a standard design approach for improving fluid management, representing a finite and predictable solution to contamination challenges
Source Patent Element
Interchangeable valve body components
PTD Variation
Creating a modular system allowing customization of fluid flow characteristics
Obviousness Reasoning
Expanding modular design principles to include more configurable components is an obvious extension of existing mechanical design practices
Source Patent Element
Basic check valve structure for fluid control
PTD Variation
Adapting the valve system for multiple medical and industrial fluid management applications
Obviousness Reasoning
Generalizing a specific medical device design for broader applications is a standard engineering approach representing predictable technological transfer
35 U.S.C. § 103 Summary: Based on the teachings of US Patent 11857761 and the comprehensive technical disclosure, a person having ordinary skill in the art would find the proposed intelligent check valve system variations obvious and predictable. The combination of known sensor technologies, mechanical valve principles, and modular design approaches renders the claimed innovations obvious extensions of the prior art, thus anticipating and invalidating subsequent patent claims covering similar technological implementations.

Original Patent Information

Patent NumberUS 11,857,761
TitleCheck valve
Assignee(s)CareFusion 303, Inc.