Adaptable Catheter Systems for Specialized Dialysis Environments

Publication ID: 24-11857739_0009_PTD
Published: October 28, 2025
Category:Specialized Variations & Niche Solutions

Legal Citation

pr1or.art Inc., “Adaptable Catheter Systems for Specialized Dialysis Environments,” Published Technical Disclosure No. 24-11857739_0009_PTD, Published October 28, 2025, available at https://archive.pr1or.art/24-11857739_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. 11,857,739.

Summary of the Inventive Concept

The present invention relates to a family of catheter systems designed for specific, high-demand dialysis environments, including extreme weather conditions, disaster relief, high-security needs, remote areas, and adaptable to various operational settings.

Background and Problem Solved

The original patent described a catheter for dialysis with a focus on long-term application. However, it did not address the unique challenges and requirements of specialized environments. The present inventive concept solves this problem by introducing catheter systems that can withstand extreme weather conditions, provide secure and reliable dialysis in high-security environments, and offer adaptable solutions for remote or hard-to-reach areas.

Detailed Description of the Inventive Concept

The inventive concept encompasses a range of catheter systems, each tailored to a specific environment. For extreme weather conditions, the catheter features a reinforced fixing means designed to withstand high winds and heavy precipitation. In disaster relief environments, the system includes a portable dialysis machine and a waterproof container to protect the machine from water and debris. For high-security environments, the catheter is equipped with a secure locking mechanism to prevent unauthorized access or tampering. In remote or hard-to-reach areas, the catheter features an easily removable and repositionable fixing means. Additionally, a kit is provided with a plurality of fixing means and adapters for connecting the catheter to different types of dialysis machines, ensuring compatibility with various operational settings.

Novelty and Inventive Step

The novelty of the present inventive concept lies in the adaptation of the original catheter design to address the specific challenges of specialized dialysis environments. The inventive step is the combination of features and components that enable the catheter systems to operate effectively in these environments, providing a unique solution that is not obvious from the original patent.

Alternative Embodiments and Variations

Alternative embodiments of the inventive concept could include additional features such as temperature control, shock-absorbing materials, or integrated sensors for real-time monitoring. Variations of the catheter systems could be designed for specific patient populations, such as pediatric or geriatric patients, or for use in combination with other medical devices.

Potential Commercial Applications and Market

The present inventive concept has significant commercial potential in the medical device industry, particularly in the areas of dialysis, disaster relief, and high-security healthcare. The adaptable nature of the catheter systems makes them suitable for a wide range of applications, from extreme weather conditions to remote or hard-to-reach areas, offering a competitive advantage in the market.

CPC Classifications

SectionClassGroup
A A61 A61M25/02
A A61 A61M1/3661
A A61 A61M2025/0031
A A61 A61M2025/028

Field of Art

Medical Device Engineering, specifically Catheter Design and Blood Purification Technologies, involving advanced medical device configuration, attachment mechanisms, and specialized environmental adaptations

Person of Ordinary Skill (PHOSITA) Profile

A biomedical engineer with expertise in medical device design, knowledge of catheter manufacturing techniques, understanding of dialysis equipment requirements, and familiarity with environmental adaptation strategies for medical technologies

Obviousness Rationale

A person having ordinary skill in the art would recognize that the published technical disclosure represents predictable variations of the source patent's core catheter design, applying known engineering techniques to address specific environmental challenges. The modifications represent standard design adaptations that would be apparent to a skilled practitioner seeking to extend the original catheter's utility across diverse operational contexts. The variations demonstrate incremental improvements using conventional medical device design strategies that do not require inventive complexity.

Obvious Combinations & Variations

Source Patent Element
Fixing means surrounding tube section for patient attachment
PTD Variation
Reinforced fixing means designed to withstand high winds and extreme weather conditions
Obviousness Reasoning
A PHOSITA would recognize that environmental reinforcement represents a predictable design modification using standard material engineering techniques, with finite known approaches to improving mechanical resilience
Source Patent Element
Latching section and counter-latching section for connection mechanism
PTD Variation
Secure locking mechanism to prevent unauthorized access in high-security environments
Obviousness Reasoning
Implementing additional security features represents a known design strategy for medical devices, utilizing standard mechanical interlocking principles that would be obvious to a skilled practitioner
Source Patent Element
Tube section with complementary inner and outer contours
PTD Variation
Kit with multiple fixing means and adapters for connecting to different dialysis machines
Obviousness Reasoning
Developing modular connection systems is a standard engineering approach for enhancing device compatibility, representing a predictable solution using known mechanical interface design techniques
Source Patent Element
Basic catheter design for blood extraction and introduction
PTD Variation
Specialized catheter systems for disaster relief with waterproof protective container
Obviousness Reasoning
Adapting medical devices for extreme environmental conditions represents a routine engineering challenge with well-understood protective design strategies
Source Patent Element
Film hinge connecting receiving and opening parts
PTD Variation
Easily removable and repositionable fixing means for remote area applications
Obviousness Reasoning
Modifying attachment mechanisms for improved flexibility is a predictable design evolution using standard mechanical engineering principles
35 U.S.C. § 103 Summary: Based on the teachings of US Patent 11857739 and the published technical disclosure, a person having ordinary skill in the art would find the claimed variations obvious, as they represent standard engineering adaptations applying known techniques to extend the original catheter design's utility across diverse operational environments. The modifications constitute predictable design choices that do not rise to the level of non-obvious innovation, thereby rendering subsequent similar claims anticipated and obvious under 35 U.S.C. Section 103.

Original Patent Information

Patent NumberUS 11,857,739
TitleCatheter for dialysis, in particular for long-term application
Assignee(s)Joline GmbH & Co. KG