Specialized Catheters for Niche Environments

Publication ID: 24-11857739_0004_PTD
Published: October 28, 2025
Category:Specialized Variations & Niche Solutions

Legal Citation

pr1or.art Inc., “Specialized Catheters for Niche Environments,” Published Technical Disclosure No. 24-11857739_0004_PTD, Published October 28, 2025, available at https://archive.pr1or.art/24-11857739_0004_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 inventive concept adapts the original catheter design for dialysis to cater to specific, high-stakes environments, such as high-security facilities, disaster relief scenarios, extreme weather conditions, remote locations, and high-altitude areas.

Background and Problem Solved

The original catheter design, although suitable for general dialysis applications, falls short in addressing the unique challenges posed by specialized environments. The inventive concept addresses these limitations by incorporating additional features and materials to ensure secure, reliable, and efficient dialysis in these niche scenarios.

Detailed Description of the Inventive Concept

The inventive concept comprises a range of catheter designs, each tailored to a specific environment. For high-security environments, the catheter features an additional encryption mechanism to prevent unauthorized access. In disaster relief scenarios, the catheter is designed to withstand harsh environmental conditions. For extreme weather conditions, the catheter's fixing means are coated with a water-repellent material to prevent corrosion. In remote or isolated locations, the catheter is equipped with a GPS tracking device for real-time monitoring. Finally, in high-altitude environments, the catheter's fixing means are designed to compensate for the effects of high altitude on blood pressure.

Novelty and Inventive Step

The inventive concept's novelty lies in its adaptation of the original catheter design to address the unique challenges of specialized environments. The inventive step resides in the incorporation of additional features and materials that enable secure, reliable, and efficient dialysis in these niche scenarios, thereby overcoming the limitations of the original patent.

Alternative Embodiments and Variations

Alternative embodiments of the inventive concept could include catheter designs tailored to other specialized environments, such as space exploration or military operations. Variations could also include the use of different materials or manufacturing processes to further enhance the catheter's performance in these environments.

Potential Commercial Applications and Market

The inventive concept has significant commercial potential in the medical device industry, particularly in the niche markets of high-security facilities, disaster relief, and extreme weather conditions. The target industries include healthcare providers, medical device manufacturers, and government agencies involved in disaster relief and emergency response.

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 interventional medical catheters for blood purification and dialysis procedures, requiring expertise in biomedical engineering, materials science, and medical device design

Person of Ordinary Skill (PHOSITA) Profile

A biomedical engineer with advanced degree, 3-5 years experience in medical device design, familiar with catheter manufacturing techniques, medical material properties, and adaptation of medical devices for specialized environments

Obviousness Rationale

A PHOSITA would recognize that the source patent's fundamental catheter design provides a flexible framework for environmental adaptation. The PTD's variations represent predictable engineering modifications that address specific use case challenges through known techniques of material selection, coating technologies, and integrated tracking systems. These adaptations follow standard design optimization practices in medical device engineering.

Obvious Combinations & Variations

Source Patent Element
Fixing means surrounding tube section for patient attachment (claim 1)
PTD Variation
Coating fixing means with water-repellent material for extreme weather resistance
Obviousness Reasoning
Material modification is a standard engineering approach for environmental adaptation, using known corrosion-resistant coating techniques applicable to medical devices
Source Patent Element
Latching section and counter-latching section for secure connection (claim 2)
PTD Variation
Adding encryption mechanism to prevent unauthorized access in high-security environments
Obviousness Reasoning
Implementing additional security layers is a predictable design enhancement using known access control technologies
Source Patent Element
Tube section with specific inner and outer contours (claim 4)
PTD Variation
Designing fixing means to compensate for high-altitude blood pressure variations
Obviousness Reasoning
Geometric and material adaptations to address physiological changes represent a standard engineering problem-solving approach
Source Patent Element
Basic catheter structure for blood extraction and introduction
PTD Variation
Integrating GPS tracking for remote location monitoring
Obviousness Reasoning
Adding tracking technology is a predictable enhancement using commercially available miniature electronic components
Source Patent Element
Film hinge connecting receiving and opening parts (claim 5)
PTD Variation
Modifying hinge design to withstand disaster relief environmental conditions
Obviousness Reasoning
Reinforcing mechanical connections through material selection is a routine engineering design optimization technique
35 U.S.C. § 103 Summary: Based on US Patent 11857739's foundational catheter design, the present publication demonstrates that a person of ordinary skill in the art would find the disclosed environmental adaptations obvious through standard engineering modifications. The variations represent predictable extensions of the source patent's core technical teachings, utilizing known techniques to address specific use case requirements without introducing inventive complexity.

Original Patent Information

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