Advanced Needleless Connector System

Publication ID: 24-11857752_0010_PTD
Published: November 07, 2025
Category:Future Evolutions & Paradigm Shifts

Legal Citation

pr1or.art Inc., “Advanced Needleless Connector System,” Published Technical Disclosure No. 24-11857752_0010_PTD, Published November 07, 2025, available at https://archive.pr1or.art/24-11857752_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. 11,857,752.

Summary of the Inventive Concept

An innovative, next-generation needleless connector system that integrates cutting-edge technologies, such as self-cleaning mechanisms, antimicrobial materials, shape-memory alloy valves, modular designs, and built-in fluid analyzers, to revolutionize infusion therapy and blood administration.

Background and Problem Solved

The original High Flow, Needleless Connector patent addressed the need for safe connections in infusion therapy and blood administration. However, the limitations of the original design, including the potential for contamination and bacterial growth, necessitate a more advanced solution. The new inventive concept addresses these limitations by introducing novel features that enhance safety, convenience, and efficiency.

Detailed Description of the Inventive Concept

The Advanced Needleless Connector System comprises several innovative components. A self-cleaning mechanism utilizing ultrasonic waves removes contaminants, ensuring a sterile environment. An antimicrobial material integrated into the internal surfaces prevents bacterial growth, while a UV light source periodically sanitizes the connector. A shape-memory alloy valve can be actuated remotely, allowing for wireless control of fluid flow. The modular design features interchangeable cartridges with different fluid pathway geometries, paired with a universal valve body. Additionally, a built-in fluid analyzer detects changes in fluid composition, alerting healthcare professionals to potential issues. These advancements enable a more reliable, efficient, and patient-centric infusion therapy experience.

Novelty and Inventive Step

The new claims introduce a paradigm shift in needleless connector design, incorporating unprecedented features that overcome the limitations of the original patent. The self-cleaning mechanism, antimicrobial material, shape-memory alloy valve, modular design, and built-in fluid analyzer collectively represent a significant departure from the prior art, providing a novel and non-obvious solution.

Alternative Embodiments and Variations

Alternative embodiments may include variations in the self-cleaning mechanism, such as using different frequencies or waveforms, or incorporating additional sensors to detect contaminants. The antimicrobial material could be replaced with other technologies, such as nanotechnology or photodynamic therapy. The shape-memory alloy valve could be actuated using different energy sources, such as thermal or electrical stimuli. The modular design could be adapted for different applications, such as pediatric or veterinary use.

Potential Commercial Applications and Market

The Advanced Needleless Connector System has vast commercial potential in the medical device industry, particularly in the infusion therapy and blood administration markets. The innovative features and improved safety profile will appeal to healthcare professionals, hospitals, and patients, providing a competitive advantage in the market. The modular design and adaptability of the system will also enable expansion into adjacent markets, such as veterinary care and medical research.

CPC Classifications

SectionClassGroup
A A61 A61M39/146
A A61 A61M39/26
A A61 A61M2039/1083
A A61 A61M2039/1088
A A61 A61M2039/267

Field of Art

Medical device engineering, specifically intravenous fluid delivery systems and needleless connector technologies, focusing on fluid pathway design, valve mechanisms, and infection control interfaces

Person of Ordinary Skill (PHOSITA) Profile

A biomedical engineer with expertise in medical device design, fluid dynamics, materials science, and infection control protocols, holding at least a master's degree with 3-5 years of experience in medical device development

Obviousness Rationale

A PHOSITA would recognize that the advanced needleless connector system represents predictable variations and incremental improvements to existing medical connector technologies. The proposed modifications leverage known techniques in materials science, sensor technology, and fluid pathway design that would be readily apparent to a skilled practitioner seeking to enhance medical connector performance and safety. The individual elements of self-cleaning, antimicrobial integration, and modular design represent logical extensions of existing medical device engineering principles.

Obvious Combinations & Variations

Source Patent Element
Internal valve member with fluid pathway configuration
PTD Variation
Shape-memory alloy valve with remote actuation capabilities
Obviousness Reasoning
A PHOSITA would recognize that replacing traditional valve materials with shape-memory alloys represents a predictable substitution using known materials engineering techniques, with an expected outcome of enhanced valve performance and control
Source Patent Element
Injection port assembly with mating structures
PTD Variation
Modular connector system with interchangeable cartridges and universal valve body
Obviousness Reasoning
The modular design represents a standard design approach in medical device engineering, allowing for flexible configuration and standardization of core components through well-understood mechanical interface principles
Source Patent Element
Needleless connector with basic structural components
PTD Variation
Self-cleaning mechanism utilizing ultrasonic waves and integrated antimicrobial surfaces
Obviousness Reasoning
Implementing advanced cleaning and antimicrobial technologies is a predictable solution to known infection control challenges, utilizing established techniques in surface engineering and medical device sanitization
Source Patent Element
Fluid transfer mechanism with basic connection interface
PTD Variation
Built-in fluid analyzer for detecting compositional changes
Obviousness Reasoning
Integrating sensor technologies for real-time monitoring represents a logical progression in medical device design, leveraging known principles of embedded sensing and diagnostic technologies
Source Patent Element
Injection port with basic structural configuration
PTD Variation
UV light sanitization mechanism for connector surfaces
Obviousness Reasoning
Applying known sterilization techniques like UV light to medical connector surfaces is a predictable enhancement that addresses recognized infection control challenges in medical device design
35 U.S.C. § 103 Summary: Based on the teachings of US Patent 11857752 and the disclosed technical variations, a person having ordinary skill in the art would find the proposed needleless connector system modifications to be obvious and lacking inventive step. The incremental improvements represent predictable applications of known techniques in medical device engineering, materials science, and infection control, thereby rendering potential claims to such variations unpatentable under 35 U.S.C. Section 103.

Original Patent Information

Patent NumberUS 11,857,752
TitleHigh flow, needleless connector
Assignee(s)RyMed Technologies, LLC