Next-Generation Prosthetic Sleeve Manufacturing System

Publication ID: 24-11857439_0010_PTD
Published: October 28, 2025
Category:Future Evolutions & Paradigm Shifts

Legal Citation

pr1or.art Inc., “Next-Generation Prosthetic Sleeve Manufacturing System,” Published Technical Disclosure No. 24-11857439_0010_PTD, Published October 28, 2025, available at https://archive.pr1or.art/24-11857439_0010_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. 11,857,439.

Summary of the Inventive Concept

A revolutionary prosthetic sleeve manufacturing system that leverages cutting-edge technologies such as nanomaterials, additive manufacturing, artificial intelligence, and 4D printing to create customized, adaptive, and self-healing prosthetic sleeves for optimal fit, comfort, and user experience.

Background and Problem Solved

The original patent, 'Method for manufacturing a customized sleeve for a prosthesis,' provides a method for creating customized sleeves using elastomer materials. However, this method has limitations in terms of material properties, manufacturing complexity, and user adaptability. The new inventive concept addresses these limitations by introducing advanced technologies that enable real-time adjustments, personalized fit, and autonomous maintenance.

Detailed Description of the Inventive Concept

The next-generation prosthetic sleeve manufacturing system consists of several key components: a mold of the individual's limb, a preform made of a nanomaterial-based elastomer, an injection unit for injecting a polymer cross-linkable at low temperature around the preform, and an artificial intelligence system for generating personalized preform designs based on patient data. The system utilizes additive manufacturing and hybrid 3D printing and injection molding processes to create customized sleeves with tunable properties. The sleeve is integrated with sensors for monitoring the user's physiological and biomechanical data, enabling real-time adjustments to the sleeve's properties. Additionally, the system incorporates self-healing materials that can autonomously repair and maintain the sleeve.

Novelty and Inventive Step

The new claims introduce several novel and non-obvious features, including the use of nanomaterials, additive manufacturing, artificial intelligence, and 4D printing. The real-time adjustment capability, sensor integration, and self-healing materials also represent significant advancements over the original patent.

Alternative Embodiments and Variations

Alternative embodiments of the inventive concept could include the use of different nanomaterials, various additive manufacturing techniques, or alternative sensor configurations. Additionally, the system could be adapted for use in other medical applications, such as customized implants or wearable devices.

Potential Commercial Applications and Market

The next-generation prosthetic sleeve manufacturing system has significant commercial potential in the prosthetics industry, with potential applications in hospitals, clinics, and rehabilitation centers. The system's advanced features and adaptability could also expand into other markets, such as sports medicine and wearable technology.

CPC Classifications

SectionClassGroup
A A61 A61F2/5046
B B29 B29C45/0053
B B29 B29C45/14065
B B29 B29C45/14336
B B29 B29C65/48
B B29 B29C66/729
A A61 A61F2002/5053
A A61 A61F2002/5056
A A61 A61F2002/7837
B B29 B29C2045/0079
B B29 B29C2045/14155
B B29 B29K2083/00
B B29 B29K2105/0061
B B29 B29L2031/7532

Field of Art

Medical device manufacturing, specifically prosthetic sleeve fabrication, involving materials science, biomechanical engineering, and advanced manufacturing techniques with expertise in elastomer processing, molding technologies, and personalized medical device design

Person of Ordinary Skill (PHOSITA) Profile

A biomedical engineer or materials scientist with advanced degrees, proficient in 3D modeling, polymer chemistry, additive manufacturing, and prosthetic device customization, familiar with emerging technologies in medical device fabrication

Obviousness Rationale

A PHOSITA would recognize that the PTD's disclosed variations represent predictable extensions of the source patent's fundamental manufacturing approach, applying known advanced manufacturing and materials technologies to enhance the existing prosthetic sleeve production method. The core manufacturing process remains substantially similar, with incremental improvements in material selection, fabrication techniques, and personalization strategies. These variations would be considered obvious combinations of known techniques in medical device manufacturing and materials science.

Obvious Combinations & Variations

Source Patent Element
Method for manufacturing a customized sleeve using a mold of an individual's limb and an elastomer preform
PTD Variation
Incorporating nanomaterial-based elastomers and additive manufacturing for preform creation
Obviousness Reasoning
Material substitution and advanced manufacturing techniques are predictable design choices for improving prosthetic sleeve performance, with nanomaterials offering enhanced mechanical and functional properties
Source Patent Element
Silicone gel preform with variable thickness
PTD Variation
Integrating sensor technologies and real-time adaptive properties into the prosthetic sleeve
Obviousness Reasoning
Embedding sensors and creating responsive materials are known techniques in smart medical device design, representing a logical progression of the original manufacturing concept
Source Patent Element
Low-temperature injection molding process for prosthetic sleeve
PTD Variation
Implementing artificial intelligence for personalized preform design and 4D printing techniques
Obviousness Reasoning
Computational design and advanced manufacturing methods are foreseeable improvements for creating more precisely customized medical devices
Source Patent Element
Elastomer-based prosthetic sleeve manufacturing method
PTD Variation
Incorporating self-healing materials triggered by environmental stimuli
Obviousness Reasoning
Self-healing polymers are emerging technologies in materials science, representing an obvious enhancement to existing elastomer-based medical device manufacturing
Source Patent Element
Customized prosthetic sleeve with variable material properties
PTD Variation
Hybrid 3D printing and injection molding with tunable polymer characteristics
Obviousness Reasoning
Combining manufacturing techniques and creating adaptable material properties are standard design approaches for improving medical device performance
35 U.S.C. § 103 Summary: Pursuant to 35 U.S.C. ยง 103, the variations disclosed in this Published Technical Disclosure would be considered obvious to a Person Having Ordinary Skill In The Art based on the teachings of US Patent 11857439, as the claimed innovations represent predictable combinations of known techniques in prosthetic sleeve manufacturing, materials science, and advanced fabrication methods, without demonstrating unexpected results or significant departures from the prior art's fundamental manufacturing approach.

Original Patent Information

Patent NumberUS 11,857,439
TitleMethod for manufacturing a customized sleeve for a prosthesis