Adaptive Filter Assemblies for Specialized Insufflation Systems

Publication ID: 24-11857719_0009_PTD
Published: October 28, 2025
Category:Specialized Variations & Niche Solutions

Legal Citation

pr1or.art Inc., “Adaptive Filter Assemblies for Specialized Insufflation Systems,” Published Technical Disclosure No. 24-11857719_0009_PTD, Published October 28, 2025, available at https://archive.pr1or.art/24-11857719_0009_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. 11,857,719.

Summary of the Inventive Concept

A novel filter assembly designed for use in specialized insufflation systems, addressing unique operational environments and high-security needs.

Background and Problem Solved

The original filter assembly patent (BACKGROUND) was limited to general insufflation systems. However, there is a growing need for filter assemblies that can adapt to specific, narrow markets or unique operational environments. This inventive concept addresses the limitations of the original patent by providing specialized filter assemblies for disaster relief, high-altitude, extreme weather conditions, and high-security environments.

Detailed Description of the Inventive Concept

The adaptive filter assembly comprises a filter medium operative to filter medical gases in various environments, and a housing constructed from durable, water-resistant, or thermally insulated materials. The filter assembly can be connected to a patient conduit and configured for use in high-humidity, high-altitude, or extreme temperature environments. Additionally, the system can include a secure patient conduit and tamper-evident connector for high-security applications. The filter assembly can be sterilized using a sterilizing gas and sealed in a sterile package for later use.

Novelty and Inventive Step

The new claims introduce novel features such as durable, water-resistant, or thermally insulated housing materials, and the ability to operate in high-humidity, high-altitude, or extreme temperature environments. These features provide a non-obvious solution to the problem of adapting filter assemblies to specialized insufflation systems.

Alternative Embodiments and Variations

Alternative embodiments of the adaptive filter assembly could include using different materials or designs for the housing, or integrating additional features such as sensors or alarms to monitor the filter assembly's performance. Variations could also include adapting the filter assembly for use in other specialized insufflation systems, such as those used in space exploration or military operations.

Potential Commercial Applications and Market

The adaptive filter assembly has significant commercial potential in the medical device industry, particularly in the areas of disaster relief, high-altitude medicine, and high-security healthcare facilities. The market for specialized insufflation systems is growing, and this inventive concept addresses a critical need for adaptable filter assemblies that can operate in unique operational environments.

CPC Classifications

SectionClassGroup
A A61 A61M13/003
A A61 A61M16/0875
A A61 A61M16/106
A A61 A61M16/1095
A A61 A61M16/161
A A61 A61M2202/0225
A A61 A61M2205/3327
A A61 A61M2205/3331
A A61 A61M2205/3334
A A61 A61M2205/3368
A A61 A61M2205/3569
A A61 A61M2205/3653
A A61 A61M2205/7527
A A61 A61M2205/7536

Field of Art

Medical device filtration systems, specifically insufflation and respiratory gas delivery technologies, with expertise in filter design, medical gas handling, and environmental adaptation for medical equipment

Person of Ordinary Skill (PHOSITA) Profile

A biomedical engineer or medical device design professional with advanced degree, knowledge of filtration technologies, understanding of medical gas systems, and experience in designing adaptable medical equipment for diverse environmental conditions

Obviousness Rationale

A PHOSITA would recognize that the PTD's variations represent predictable engineering adaptations of the source patent's core filter assembly design. The disclosed modifications address known challenges in medical gas delivery by applying standard materials engineering and environmental adaptation techniques. These variations represent logical extensions of existing filter assembly technologies using well-understood design principles and materials selection strategies.

Obvious Combinations & Variations

Source Patent Element
Filter assembly with inlet, outlet, and filter medium for medical gas delivery
PTD Variation
Adding water-resistant and thermally insulated housing materials for specialized environmental conditions
Obviousness Reasoning
Material selection for environmental resistance is a routine design choice for medical equipment, representing a predictable solution to known environmental challenges
Source Patent Element
Patient conduit connected to filter assembly outlet
PTD Variation
Implementing secure, tamper-evident connector for high-security medical gas delivery
Obviousness Reasoning
Enhancing connection security is an obvious design improvement for medical devices, utilizing known connector technologies
Source Patent Element
Basic filter assembly for medical gas filtration
PTD Variation
Adapting filter for high-altitude, high-humidity, and extreme temperature environments
Obviousness Reasoning
Expanding operational parameters through material and design modifications represents a standard engineering approach to device versatility
Source Patent Element
Medical gas filtration system
PTD Variation
Adding sterilization method using sterilizing gas and sterile packaging
Obviousness Reasoning
Sterilization techniques are well-known in medical device preparation, representing a predictable method of ensuring device safety
Source Patent Element
Filter assembly with basic housing configuration
PTD Variation
Integrating potential sensor or alarm systems to monitor filter performance
Obviousness Reasoning
Adding monitoring capabilities is an obvious technological enhancement using standard sensor integration techniques
35 U.S.C. § 103 Summary: Pursuant to 35 U.S.C. ยง 103, the variations disclosed in this Published Technical Disclosure would be considered obvious to a Person Having Ordinary Skill In The Art in view of US Patent 11857719, as the claimed modifications represent predictable engineering adaptations employing known techniques in medical device filtration and environmental adaptation, thereby rendering potential patent claims obvious and unpatentable.

Original Patent Information

Patent NumberUS 11,857,719
TitleFilter assembly
Assignee(s)Fisher & Paykel Healthcare Limited