Advanced Intervertebral Cage Apparatus and System with Enhanced Functionality

Publication ID: 24-11857429_0001_PTD
Published: October 28, 2025
Category:Direct Improvements & Enhancements

Legal Citation

pr1or.art Inc., “Advanced Intervertebral Cage Apparatus and System with Enhanced Functionality,” Published Technical Disclosure No. 24-11857429_0001_PTD, Published October 28, 2025, available at https://archive.pr1or.art/24-11857429_0001_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. 11,857,429.

Summary of the Inventive Concept

The present inventive concept relates to an advanced intervertebral cage apparatus and system that addresses the limitations of current devices by providing controlled expansion, optimized bone graft volume, enhanced subsidence resistance, real-time monitoring, and personalized customization.

Background and Problem Solved

Current intervertebral devices are limited by their static design, which can lead to suboptimal bone fusion, subsidence, and inadequate fit. The present inventive concept solves these problems by introducing dynamic and adaptive features that improve the efficiency, safety, and effectiveness of intervertebral cage apparatuses.

Detailed Description of the Inventive Concept

The advanced intervertebral cage apparatus and system comprises a cage deployment mechanism with a motorized actuator that adjusts the cage's dimensions in response to real-time feedback from sensors monitoring the cage's position and surrounding tissue. This enables controlled expansion of the cage from an undeployed to a deployed configuration. The system also includes a method for optimizing bone graft volume, which determines the optimal volume for a specific patient based on their anatomical characteristics and configures the cage accordingly. Furthermore, the cage apparatus features a dynamic surface topology that adapts to changes in the vertebral end plates over time, maintaining optimal contact and minimizing the risk of subsidence. Real-time monitoring is achieved through a network of sensors embedded within the cage, providing continuous feedback on the cage's position, dimensions, and surrounding tissue. Additionally, the system includes a method for personalized customization of the cage apparatus using machine learning algorithms to analyze a patient's anatomical data and generate a tailored cage design.

Novelty and Inventive Step

The present inventive concept introduces several novel features that distinguish it from the original patent, including the motorized actuator, real-time feedback, dynamic surface topology, and personalized customization using machine learning algorithms. These features provide a significant inventive step by enabling controlled expansion, optimized bone graft volume, enhanced subsidence resistance, and real-time monitoring, thereby improving the overall efficiency, safety, and effectiveness of intervertebral cage apparatuses.

Alternative Embodiments and Variations

Alternative embodiments of the inventive concept may include different types of motorized actuators, sensor configurations, or machine learning algorithms. Variations may also include different materials, shapes, or sizes of the cage apparatus, as well as different methods for optimizing bone graft volume or personalized customization.

Potential Commercial Applications and Market

The advanced intervertebral cage apparatus and system has significant commercial potential in the medical device industry, particularly in the field of spinal surgery. The target market includes hospitals, clinics, and medical device manufacturers, with potential applications in minimally invasive spine procedures, degenerative disc disease treatment, and spine fusion surgeries.

CPC Classifications

SectionClassGroup
A A61 A61F2/442
A A61 A61F2/447
A A61 A61F2/4611
A A61 A61F2/4601
A A61 A61F2002/2835
A A61 A61F2002/305
A A61 A61F2002/30019
A A61 A61F2002/3055
A A61 A61F2002/30092
A A61 A61F2002/30143
A A61 A61F2002/30331
A A61 A61F2002/30359
A A61 A61F2002/30448
A A61 A61F2002/30462
A A61 A61F2002/30467
A A61 A61F2002/30471
A A61 A61F2002/30545
A A61 A61F2002/30556
A A61 A61F2002/30579
A A61 A61F2002/30581
A A61 A61F2002/30584
A A61 A61F2002/30588
A A61 A61F2002/30593
A A61 A61F2002/30594
A A61 A61F2002/30774
A A61 A61F2002/30785
A A61 A61F2002/30789
A A61 A61F2002/30828
A A61 A61F2002/4415
A A61 A61F2002/4627
A A61 A61F2310/00011

Field of Art

Medical device engineering, specifically spinal implant technology, requiring advanced knowledge of biomechanical engineering, surgical techniques, materials science, and medical device design with expertise in orthopedic implant systems

Person of Ordinary Skill (PHOSITA) Profile

A biomedical engineer or orthopedic medical device designer with advanced degree, 5-7 years experience in spinal implant development, familiar with surgical approaches, biomaterials, and adaptive medical device technologies

Obviousness Rationale

A PHOSITA would recognize that the PTD's disclosed variations represent predictable technological extensions of the source patent's foundational intervertebral cage design. The motorized actuator, sensor integration, and machine learning customization are logical progressions in medical device engineering that address known limitations in static implant technologies. These variations apply standard engineering problem-solving approaches to enhance the fundamental cage deployment mechanism disclosed in the original patent.

Obvious Combinations & Variations

Source Patent Element
Intervertebral cage apparatus with positioning mechanism for deployment in disc space
PTD Variation
Motorized actuator enabling controlled dimensional expansion with real-time sensor feedback
Obviousness Reasoning
Predictable application of mechatronic control systems to improve surgical device precision, representing an obvious design optimization for medical implants
Source Patent Element
Static cage design with basic structural configuration
PTD Variation
Dynamic surface topology adapting to vertebral end plate changes
Obviousness Reasoning
Known technique of incorporating adaptive materials and geometries to improve implant-tissue interface, solving predictable biomechanical challenges
Source Patent Element
Basic intervertebral cage positioning method
PTD Variation
Machine learning algorithm for personalized cage customization based on patient anatomical data
Obviousness Reasoning
Obvious combination of computational design techniques with medical device development, representing a standard approach to precision medical engineering
Source Patent Element
Surgical deployment mechanism with potential for dimensional adjustment
PTD Variation
Embedded sensor network providing continuous positional and tissue interaction monitoring
Obviousness Reasoning
Predictable integration of sensor technologies to enhance medical device performance and safety, using well-established engineering principles
35 U.S.C. § 103 Summary: Based on the teachings of US Patent 11857429 and the disclosed technological variations, a person having ordinary skill in the art would find the claimed innovations obvious and therefore unpatentable. The published technical disclosure demonstrates that the claimed advancements represent straightforward engineering solutions that would be apparent to a skilled practitioner, lacking the requisite non-obviousness standard for patent protection under 35 U.S.C. ยง 103.

Original Patent Information

Patent NumberUS 11,857,429
TitleIntervertebral cage apparatus and system and methods of using the same
Assignee(s)EIT Emerging Implant Technologies GmbH