Specialized Filtering Needle Assemblies for Niche Environments

Publication ID: 24-11857768_0004_PTD
Published: October 28, 2025
Category:Specialized Variations & Niche Solutions

Legal Citation

pr1or.art Inc., “Specialized Filtering Needle Assemblies for Niche Environments,” Published Technical Disclosure No. 24-11857768_0004_PTD, Published October 28, 2025, available at https://archive.pr1or.art/24-11857768_0004_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. 11,857,768.

Summary of the Inventive Concept

A family of filtering needle assemblies tailored to meet the unique demands of high-security, disaster relief, extreme weather, high-altitude, and high-contamination environments, providing enhanced safety, reliability, and performance in these specific contexts.

Background and Problem Solved

The original Filtering Needle Assembly with Seal Plug patent (PCT/US2022/045475) provides a general-purpose solution for administering liquid payloads. However, certain niche environments require specialized features to ensure safe and effective operation. The present inventive concept addresses these limitations by introducing tailored filtering needle assemblies that cater to the distinct needs of these environments.

Detailed Description of the Inventive Concept

The inventive concept encompasses five specialized filtering needle assemblies: high-security, disaster relief, cold-weather, high-altitude, and high-contamination. Each assembly incorporates unique features, such as tamper-evident components, biometric authentication, pressure-sensitive alarms, water-resistance, built-in flashlights, redundant seals, thermal-expansion compensation, altitude-compensation mechanisms, pressure-equalization valves, sterilizable components, UV-C sterilization, and high-efficiency particulate air (HEPA) membranes. These features enable the assemblies to operate effectively in their respective environments, ensuring the safe administration of liquid payloads.

Novelty and Inventive Step

The new claims introduce novel combinations of features that are specifically designed to address the challenges of niche environments. The inventive step lies in the tailored integration of these features, which provides a synergistic effect that enhances the overall performance and safety of the filtering needle assemblies in their intended contexts.

Alternative Embodiments and Variations

Alternative embodiments of the inventive concept could include adaptations for other niche environments, such as space exploration, underwater operations, or extreme radiation environments. Variations of the assemblies could also be developed for specific industries, such as pharmaceuticals, biotechnology, or veterinary medicine.

Potential Commercial Applications and Market

The specialized filtering needle assemblies have significant commercial potential in various industries, including healthcare, biotechnology, pharmaceuticals, disaster relief, and national security. The target markets include hospitals, clinics, research institutions, and government agencies operating in high-security, disaster relief, extreme weather, high-altitude, and high-contamination environments.

Field of Art

Medical device engineering, specifically needle assembly design for liquid payload administration, with expertise in mechanical design, sealing mechanisms, and filtration technologies

Person of Ordinary Skill (PHOSITA) Profile

A biomedical engineer or medical device designer with advanced degree, 3-5 years experience in medical device design, familiar with needle assembly configurations, sterilization techniques, and environmental adaptation strategies

Obviousness Rationale

A PHOSITA would recognize that the specialized filtering needle assemblies represent predictable variations of the source patent's fundamental needle assembly design by applying known environmental adaptation techniques to an existing medical device platform. The core structural elements of the source patent's filtering needle assembly provide a readily modifiable template for creating environment-specific variations. These modifications represent standard design optimization strategies that would be apparent to a skilled practitioner seeking to enhance device performance in specialized contexts.

Obvious Combinations & Variations

Source Patent Element
Seal plug with variable outer diameter and rib ring configuration from source patent claim 3
PTD Variation
Seal plug with pressure-sensitive alarm and redundant sealing mechanisms
Obviousness Reasoning
A PHOSITA would find it obvious to integrate additional sensing and redundancy features into an existing seal plug design as a predictable enhancement of functional safety
Source Patent Element
Needle and connector portion with basic structural configuration
PTD Variation
Environment-specific needle portions with thermal insulation, water resistance, or sterilizable materials
Obviousness Reasoning
Material selection and environmental adaptation represent standard design optimization techniques well within a PHOSITA's capabilities for medical device engineering
Source Patent Element
Filter needle cap body from source patent
PTD Variation
Cap body with integrated authentication, illumination, or sterilization mechanisms
Obviousness Reasoning
Adding electronic or functional features to a medical device cap represents a known technique for expanding device utility using predictable technological integration strategies
Source Patent Element
Basic filtering mechanism for liquid payload administration
PTD Variation
Specialized filter membranes with antimicrobial coatings, altitude optimization, or HEPA filtration
Obviousness Reasoning
Membrane technology optimization is a standard engineering approach for improving filter performance across different environmental conditions
Source Patent Element
Needle assembly designed for liquid payload transfer
PTD Variation
Context-specific needle assemblies for high-security, disaster relief, and extreme environments
Obviousness Reasoning
Tailoring medical devices for specific use cases represents a routine design exercise involving predictable application of known technological solutions
35 U.S.C. § 103 Summary: Based on the teachings of US Patent 11857768 and the disclosed variations, a person of ordinary skill in the art would find the claimed specialized filtering needle assemblies obvious as a predictable combination of known medical device design techniques. The proposed variations represent standard engineering adaptations that would be readily conceived by a skilled practitioner seeking to optimize needle assembly performance across diverse environmental contexts.

Original Patent Information

Patent NumberUS 11,857,768
TitleFiltering needle assembly with seal plug
Assignee(s)CARRTECH Corp.