Advanced Patient Ventilating and Aspirating System with Reusable and Sterilizable Components

Publication ID: 24-11857725_0010_PTD
Published: October 28, 2025
Category:Future Evolutions & Paradigm Shifts

Legal Citation

pr1or.art Inc., “Advanced Patient Ventilating and Aspirating System with Reusable and Sterilizable Components,” Published Technical Disclosure No. 24-11857725_0010_PTD, Published October 28, 2025, available at https://archive.pr1or.art/24-11857725_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. 11,857,725.

Summary of the Inventive Concept

A next-generation patient ventilating and aspirating system featuring detachable and reusable aspirating assemblies, automatic sterilization, and advanced sensing and filtration capabilities to enhance patient safety and reduce healthcare costs.

Background and Problem Solved

The original patent disclosed a patient ventilating and aspirating system with a catheter tube connector for tracheostomy or endotracheal patient ventilation systems. However, the original system had limitations in terms of sterility, reusability, and bacterial contamination risks. The new inventive concept addresses these limitations by introducing reusable and sterilizable components, advanced sensing and filtration capabilities, and micro-robotic cleaning mechanisms to ensure enhanced patient safety and reduced healthcare costs.

Detailed Description of the Inventive Concept

The advanced patient ventilating and aspirating system comprises a catheter mount with a detachable and reusable aspirating assembly. The catheter mount is configured to automatically sterilize the aspirating assembly upon detachment using ultraviolet light or ozone gas. The system includes a sensor for detecting the presence of bacteria or viruses and automatically triggers sterilization upon detection. The aspirating assembly features a nanofiltration membrane for removing bacteria and viruses from the aspirated fluid. Additionally, the catheter mount includes a micro-robotic cleaning mechanism for removing biofilm and debris from the aspirating assembly. This system enables enhanced patient safety, reduced healthcare costs, and improved ease of use.

Novelty and Inventive Step

The new claims introduce novel and non-obvious features such as automatic sterilization, advanced sensing and filtration capabilities, and micro-robotic cleaning mechanisms. These features overcome the limitations of the original patent and provide a paradigm shift in patient ventilating and aspirating systems.

Alternative Embodiments and Variations

Alternative embodiments of the inventive concept could include variations in the sterilization method, such as using heat or chemicals, or incorporating additional sensors for detecting other contaminants. The system could also be adapted for use in different medical procedures or with varying types of patient ventilation systems.

Potential Commercial Applications and Market

The advanced patient ventilating and aspirating system has significant commercial potential in the healthcare industry, particularly in hospitals and clinics. The system's enhanced patient safety features, reduced healthcare costs, and improved ease of use make it an attractive solution for healthcare providers. The target market includes hospitals, clinics, and medical device manufacturers.

CPC Classifications

SectionClassGroup
A A61 A61M16/0463
A A61 A61M16/0465
A A61 A61M16/08
A A61 A61M16/0816
A A61 A61M16/0833
A A61 A61M16/0875
A A61 A61M16/109

Field of Art

Medical device engineering, specifically respiratory and ventilation systems with catheter and suction tube interfaces, involving biomedical engineering, fluid dynamics, and medical device design

Person of Ordinary Skill (PHOSITA) Profile

A biomedical engineer or medical device designer with expertise in respiratory support systems, familiar with infection control protocols, sterilization techniques, and modular medical device design principles

Obviousness Rationale

A PHOSITA would recognize that the published technical disclosure represents predictable extensions of existing ventilation system design, leveraging known sterilization and filtration technologies to address inherent limitations in medical device hygiene and reusability. The proposed modifications represent logical incremental improvements using standard engineering techniques available in the medical device field. The variations solve known problems of cross-contamination and device maintenance through straightforward technological adaptations.

Obvious Combinations & Variations

Source Patent Element
Catheter mount with detachable connector assembly
PTD Variation
Adding automatic UV or ozone sterilization upon component detachment
Obviousness Reasoning
Sterilization methods are well-known in medical device design, and a PHOSITA would recognize UV and ozone as predictable, established decontamination techniques applicable to modular medical interfaces
Source Patent Element
Suction tube interface for aspirating assembly
PTD Variation
Incorporating nanofiltration membrane for bacterial/viral removal
Obviousness Reasoning
Filtration technologies are standard in medical device design, and adding nanoscale filtration represents an obvious solution to contamination risks using known membrane technologies
Source Patent Element
Catheter tube connector with multiple passages
PTD Variation
Adding sensor for detecting bacterial/viral presence to trigger sterilization
Obviousness Reasoning
Integrating sensing technologies with medical devices is a predictable engineering solution, and contamination detection represents a logical extension of existing infection control strategies
Source Patent Element
Modular medical device assembly
PTD Variation
Micro-robotic cleaning mechanism for removing biofilm and debris
Obviousness Reasoning
Automated cleaning mechanisms are known in precision medical engineering, and applying robotic principles to device maintenance represents an obvious technological progression
35 U.S.C. § 103 Summary: Based on the teachings of US Patent 11857725 and the published technical disclosure, a person having ordinary skill in the art would find the claimed variations obvious and anticipated, as the proposed modifications represent predictable technological extensions using known medical device engineering techniques, thereby rendering subsequent claims obvious under 35 U.S.C. ยง 103.

Original Patent Information

Patent NumberUS 11,857,725
TitlePatient ventilating and aspirating system
Assignee(s)Fisher & Paykel Healthcare Limited