Advanced Filter Assembly for Enhanced Insufflation System Performance

Publication ID: 24-11857719_0001_PTD
Published: October 28, 2025
Category:Direct Improvements & Enhancements

Legal Citation

pr1or.art Inc., “Advanced Filter Assembly for Enhanced Insufflation System Performance,” Published Technical Disclosure No. 24-11857719_0001_PTD, Published October 28, 2025, available at https://archive.pr1or.art/24-11857719_0001_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

An improved filter assembly for insufflation systems, featuring optimized gas flow, enhanced filter efficiency, and advanced monitoring and control capabilities to provide safer and more efficient medical gas delivery.

Background and Problem Solved

The original filter assembly patent has limitations in terms of gas flow resistance, filter efficiency, and bacterial growth. The new inventive concept addresses these limitations by introducing a unique housing geometry, integrating sensors and valves, and incorporating antimicrobial coatings to improve overall performance and safety.

Detailed Description of the Inventive Concept

The advanced filter assembly comprises a filter medium operative to filter medical gases and a housing with an inlet, outlet, and filter medium. The housing is designed with a unique geometry to minimize gas flow resistance and improve filter efficiency. The filter assembly is integrated with a sensor to monitor gas flow and pressure, and automatically adjust the filter medium to optimize gas delivery. Additionally, the filter medium is treated with an antimicrobial coating to reduce bacterial growth. The filter assembly can be easily cleaned and replaced due to its detachable design.

Novelty and Inventive Step

The new claims introduce novel features such as the unique housing geometry, sensor integration, and antimicrobial coatings, which provide a significant improvement over the original patent. These features are non-obvious and provide a distinct advantage in terms of performance, safety, and efficiency.

Alternative Embodiments and Variations

Alternative embodiments of the inventive concept could include varying the housing geometry, using different types of sensors or valves, or incorporating additional features such as temperature control or gas mixing capabilities.

Potential Commercial Applications and Market

The advanced filter assembly has significant commercial potential in the medical device industry, particularly in the areas of laparoscopic surgery, cardiac surgery, and patient care. The target market includes hospitals, surgical centers, and medical device manufacturers.

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

Original Patent Information

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