Stent Loading Devices for Specialized Environments

Publication ID: 24-11857441_0004_PTD
Published: October 28, 2025
Category:Specialized Variations & Niche Solutions

Legal Citation

pr1or.art Inc., “Stent Loading Devices for Specialized Environments,” Published Technical Disclosure No. 24-11857441_0004_PTD, Published October 28, 2025, available at https://archive.pr1or.art/24-11857441_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. 11,857,441.

Summary of the Inventive Concept

This inventive concept adapts stent loading devices for specific, narrow market or unique operational environments, ensuring reliable stent collapse and delivery in high-altitude, high-security, disaster relief, extreme weather, and resource-constrained settings.

Background and Problem Solved

The original stent loading device patent, while effective for general use, lacks the necessary features to operate reliably in specialized environments. This inventive concept addresses these limitations by introducing novel components and designs tailored to specific operational contexts.

Detailed Description of the Inventive Concept

The inventive concept encompasses a range of stent loading devices, each designed for a particular niche environment. For high-altitude environments, the device features a pressure-resistant housing and temperature-controlled stent chamber. For high-security facilities, the device includes a tamper-evident seal and secure data transmission system. The disaster relief system comprises a portable, battery-powered stent loading device and waterproof storage container. The extreme weather device features a weather-resistant housing and humidity control system. The remote or resource-constrained area system uses a manual stent loading device and pre-loaded stent storage cartridge with a long shelf life. These specialized designs ensure predictable stent collapse and delivery in challenging operational environments.

Novelty and Inventive Step

The novelty of this inventive concept lies in the adaptation of stent loading devices for specific, niche environments, combining existing technologies in innovative ways to address the unique challenges of each context. The inventive step is the integration of specialized components and designs that enable reliable stent collapse and delivery in environments where the original patent's device would be ineffective.

Alternative Embodiments and Variations

Alternative embodiments of the inventive concept could include stent loading devices designed for other specialized environments, such as space exploration or underwater operations. Variations could also include different materials, sizes, or configurations tailored to specific user needs or operational constraints.

Potential Commercial Applications and Market

The inventive concept has significant commercial potential in various industries, including medical device manufacturing, disaster relief, and specialized healthcare services. Target markets include hospitals, research institutions, and government agencies operating in challenging environments.

CPC Classifications

SectionClassGroup
A A61 A61F2/95
A A61 A61F2/2466
A A61 A61F2/9525
A A61 A61F2/958
A A61 A61F2/9522
A A61 A61F2210/0014
A A61 A61F2230/0017
A A61 A61F2230/0071

Field of Art

Medical Device Engineering, specifically interventional cardiology and stent delivery systems, focusing on mechanical design of loading and deployment mechanisms for implantable medical devices

Person of Ordinary Skill (PHOSITA) Profile

A biomedical engineer with expertise in medical device design, mechanical engineering, and familiarity with stent loading technologies, possessing knowledge of materials science, fluid dynamics, and medical device manufacturing techniques

Obviousness Rationale

A person having ordinary skill in the art would recognize that the specialized stent loading device variations represent predictable extensions of the source patent's fundamental loading mechanism design, applying known engineering adaptation techniques to address specific environmental constraints while maintaining the core stent collapse and delivery principles

Obvious Combinations & Variations

Source Patent Element
Conical decreasing diameter section for stent collapse
PTD Variation
Pressure-resistant housing with temperature-controlled stent chamber for high-altitude environments
Obviousness Reasoning
A PHOSITA would recognize that modifying material properties and adding thermal regulation is a standard engineering approach to address environmental performance limitations, using known thermal management and material science techniques
Source Patent Element
Longitudinal and radial slot mechanisms for stent positioning
PTD Variation
Tamper-evident seal and secure data transmission system for high-security facilities
Obviousness Reasoning
Integrating additional security features represents a predictable design variation using known mechanical and electronic tracking technologies to enhance device functionality and monitoring
Source Patent Element
Stent loading device with collapsible mechanism
PTD Variation
Portable, battery-powered stent loading device for disaster relief operations
Obviousness Reasoning
Adapting the core loading mechanism to be battery-powered and portable is an obvious engineering solution using known power integration and portability design principles
Source Patent Element
Lumen with inner diameter for stent collapse
PTD Variation
Weather-resistant housing with humidity control system for extreme conditions
Obviousness Reasoning
Protecting the loading mechanism through environmental sealing and humidity management represents a standard engineering approach to extending device reliability across varied operational conditions
Source Patent Element
Stent loading and positioning method
PTD Variation
Manual loading device with pre-loaded stent storage cartridge for resource-constrained areas
Obviousness Reasoning
Simplifying the loading mechanism for manual operation and creating a pre-loaded storage solution are predictable design variations addressing accessibility and deployment challenges
35 U.S.C. § 103 Summary: Based on US Patent 11857441's fundamental stent loading device design, the present publication demonstrates that the claimed variations would have been obvious to a person having ordinary skill in the art at the time of invention, as the specialized environmental adaptations represent predictable engineering modifications using known techniques to extend the core loading mechanism's functionality across diverse operational contexts.

Original Patent Information

Patent NumberUS 11,857,441
TitleStent loading device
Assignee(s)4C Medical Technologies, Inc.