Specialized Catheter Assemblies for Niche Environments

Publication ID: 24-11857416_0009_PTD
Published: October 28, 2025
Category:Specialized Variations & Niche Solutions

Legal Citation

pr1or.art Inc., “Specialized Catheter Assemblies for Niche Environments,” Published Technical Disclosure No. 24-11857416_0009_PTD, Published October 28, 2025, available at https://archive.pr1or.art/24-11857416_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. 11,857,416.

Summary of the Inventive Concept

The present disclosure relates to specialized catheter assemblies designed for use in unique operational environments, such as high-security settings, disaster relief, extreme weather conditions, high-altitude environments, and remote or underserved areas.

Background and Problem Solved

The original patent disclosed a catheter assembly for delivering prosthetic heart valves, but it lacked specific adaptations for specialized environments. The present inventive concept addresses these limitations by providing tailored solutions for these niche markets, ensuring reliable and efficient delivery of prosthetic heart valves in challenging conditions.

Detailed Description of the Inventive Concept

The inventive concept comprises a family of catheter assemblies, each designed to address specific challenges in unique operational environments. For high-security environments, the catheter assembly includes a secure authentication mechanism to prevent unauthorized access. For disaster relief settings, the catheter assembly features a steerable shaft and a delivery catheter coaxially disposed within the guide sheath, designed for use in extreme weather conditions. For extreme cold weather, the catheter assembly incorporates a thermal insulation layer on the shaft and a heating element in the connector assembly to prevent freezing. For high-altitude environments, the catheter assembly includes a pressure-resistant shaft and a connector assembly with a pressure-compensating mechanism. Finally, for remote or underserved areas, the catheter assembly is equipped with a portable power source and a satellite communication system to facilitate real-time guidance and support.

Novelty and Inventive Step

The inventive concept's novelty lies in its adaptation of the original catheter assembly design to address specific challenges in niche environments. The inventive step is the provision of tailored solutions that integrate unique features, such as secure authentication, thermal insulation, pressure-resistance, and satellite communication, to ensure reliable and efficient delivery of prosthetic heart valves in these environments.

Alternative Embodiments and Variations

Alternative embodiments of the inventive concept could include catheter assemblies designed for use in other specialized environments, such as search and rescue operations, space exploration, or combat zones. Additionally, the inventive concept could be adapted for use with other types of medical devices or instruments, expanding its applicability beyond prosthetic heart valves.

Potential Commercial Applications and Market

The inventive concept has significant commercial potential in the medical device industry, particularly in the areas of interventional cardiology and cardiovascular surgery. The specialized catheter assemblies could be marketed to hospitals, medical research institutions, and disaster relief organizations, providing a unique solution for delivering prosthetic heart valves in challenging environments.

CPC Classifications

SectionClassGroup
A A61 A61F2/2436
A A61 A61F2/2433
A A61 A61F2/2439

Field of Art

Medical device engineering, specifically endovascular catheter systems for prosthetic heart valve delivery, requiring expertise in mechanical design, biomedical engineering, and interventional medical device technologies

Person of Ordinary Skill (PHOSITA) Profile

A biomedical engineer with 5-7 years experience in medical device design, familiar with catheter assembly technologies, mechanical coupling mechanisms, and adaptable device configurations for specialized medical procedures

Obviousness Rationale

A person having ordinary skill would recognize that the source patent's fundamental catheter assembly design provides a modular framework that can be readily adapted to specialized environmental conditions. The PTD's variations represent predictable engineering modifications that leverage the existing connector assembly and shaft design principles disclosed in the original patent. These adaptations demonstrate standard design optimization techniques commonly employed in medical device engineering to expand device applicability.

Obvious Combinations & Variations

Source Patent Element
Connector assembly with rotatable coupling and slotted pin mechanism
PTD Variation
Adding secure authentication mechanism to connector assembly
Obviousness Reasoning
Integrating electronic authentication into existing mechanical connector is a known technique for enhancing device security, representing a predictable design enhancement within standard medical device engineering practices
Source Patent Element
Shaft with potential for mechanical modifications
PTD Variation
Incorporating thermal insulation layer and pressure-resistant materials
Obviousness Reasoning
Material selection and environmental adaptation are routine design considerations for medical devices, with finite predictable solutions for addressing temperature and pressure challenges
Source Patent Element
Catheter assembly with potential for additional functional components
PTD Variation
Adding satellite communication system and portable power source
Obviousness Reasoning
Integrating communication and power technologies into medical delivery systems represents a standard approach for expanding device functionality in remote or challenging environments
Source Patent Element
Connector assembly with rotational and tilting capabilities
PTD Variation
Implementing pressure-compensating mechanism in connector assembly
Obviousness Reasoning
Mechanical modifications to connector assemblies to address environmental variations are predictable engineering solutions within the technical scope of the original patent
Source Patent Element
Catheter shaft design allowing steerable configurations
PTD Variation
Developing specialized shaft configurations for extreme weather and disaster relief scenarios
Obviousness Reasoning
Adapting catheter shaft geometries for specific operational environments represents a standard design optimization approach within medical device engineering
35 U.S.C. § 103 Summary: Based on US Patent 11857416's disclosure of a fundamental catheter assembly design, the present publication demonstrates that the claimed variations represent obvious extensions of the prior art, employing standard engineering techniques to adapt the base device configuration for specialized environmental conditions. A person having ordinary skill in the art would find the disclosed modifications predictable and within the ordinary capabilities of medical device design professionals.

Original Patent Information

Patent NumberUS 11,857,416
TitleCatheter assembly
Assignee(s)EDWARDS LIFESCIENCES CORPORATION