Enhanced Robotic-Assisted Revision Surgery Systems and Methods

Publication ID: 24-11857270_0006_PTD
Published: November 07, 2025
Category:Direct Improvements & Enhancements

Legal Citation

pr1or.art Inc., “Enhanced Robotic-Assisted Revision Surgery Systems and Methods,” Published Technical Disclosure No. 24-11857270_0006_PTD, Published November 07, 2025, available at https://archive.pr1or.art/24-11857270_0006_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. 11,857,270.

Summary of the Inventive Concept

The disclosed inventive concept enhances robotic-assisted revision surgeries by integrating advanced technologies to improve accuracy, efficiency, and safety, addressing the limitations of manual surgeries and existing robotic systems.

Background and Problem Solved

The original patent disclosed robotic-assisted revision surgery methods, but they still had limitations, such as inaccurate cutting, bone loss, and difficulty in performing the procedure. The new inventive concept addresses these limitations by introducing precision cutting tools with integrated bone density sensors, 3D modeling, high-definition cameras, haptic feedback mechanisms, and machine learning algorithms to optimize the revision procedure.

Detailed Description of the Inventive Concept

The enhanced system comprises a precision cutting tool with an integrated bone density sensor that provides real-time feedback to optimize bone removal and minimize damage. The system also generates a 3D model of the joint and primary implant, allowing for customized removal strategies with minimal bone loss. Additionally, the system features a high-definition camera with advanced image processing capabilities, providing enhanced visualization of the surgical site. Furthermore, a haptic feedback mechanism provides tactile guidance to the surgeon during the procedure, improving precision and reducing the risk of complications. Machine learning algorithms analyze pre-operative medical imaging and intra-operative data to generate a personalized removal plan.

Novelty and Inventive Step

The new claims introduce novel elements, such as the integration of bone density sensors, 3D modeling, high-definition cameras, haptic feedback mechanisms, and machine learning algorithms, which significantly improve the accuracy, efficiency, and safety of robotic-assisted revision surgeries. These advancements are non-obvious and represent a significant departure from the original patent.

Alternative Embodiments and Variations

Alternative embodiments of the inventive concept could include the use of different types of sensors, such as force sensors or pressure sensors, to provide real-time feedback. The system could also be adapted for use in various types of revision surgeries, such as spinal or dental procedures. Additionally, the machine learning algorithms could be trained on larger datasets to improve the accuracy of the personalized removal plans.

Potential Commercial Applications and Market

The enhanced robotic-assisted revision surgery system has significant commercial potential in the orthopedic and medical device industries. The system's ability to improve accuracy, efficiency, and safety could lead to increased adoption and market share. The target market includes hospitals, surgical centers, and orthopedic clinics, as well as medical device manufacturers and distributors.

CPC Classifications

SectionClassGroup
A A61 A61B34/20
A A61 A61B5/055
A A61 A61B6/032
A A61 A61B8/0875
A A61 A61B17/15
A A61 A61B17/1703
A A61 A61B34/30
A A61 A61B90/361
A A61 A61B90/37
A A61 A61B2034/102
A A61 A61B2034/105
A A61 A61B2034/2055
A A61 A61B2034/2065
A A61 A61B2090/3983

Field of Art

Robotic-assisted surgical systems and methods, specifically focusing on orthopedic revision procedures, involving medical imaging, surgical robotics, precision instrumentation, and computer-assisted surgical planning

Person of Ordinary Skill (PHOSITA) Profile

A biomedical engineer or orthopedic surgical technology specialist with expertise in robotic surgical systems, medical imaging processing, sensor integration, and computer-aided surgical planning, holding advanced degrees and practical experience in developing surgical technologies

Obviousness Rationale

A PHOSITA would recognize that the PTD's disclosed variations represent incremental technological improvements that naturally extend the foundational robotic-assisted revision surgery concepts in the source patent. The additional features like bone density sensing, machine learning algorithms, and enhanced visualization are logical technological progressions that address known limitations in existing surgical robotic systems. These variations demonstrate predictable combinations of known techniques to achieve improved surgical precision and patient outcomes.

Obvious Combinations & Variations

Source Patent Element
Tracked instrument for capturing positions and generating surgical guidance
PTD Variation
Integration of bone density sensor providing real-time feedback during instrument tracking
Obviousness Reasoning
Adding sensor technology to track instrument position is a predictable enhancement that a PHOSITA would recognize as improving surgical precision and reducing potential bone damage
Source Patent Element
Intraoperative virtual boundary generation without pre-operative imaging
PTD Variation
Machine learning algorithms analyzing pre-operative and intra-operative data to generate personalized removal plans
Obviousness Reasoning
Extending surgical guidance algorithms using machine learning is an obvious technological progression that applies known computational techniques to improve surgical planning
Source Patent Element
3D modeling of surgical surfaces and implant removal
PTD Variation
High-definition camera with advanced image processing for enhanced surgical site visualization
Obviousness Reasoning
Improving imaging technologies to support 3D modeling and surgical guidance represents a natural technological evolution that a PHOSITA would find obvious and predictable
Source Patent Element
Robotic-assisted procedure with tracked instrument guidance
PTD Variation
Haptic feedback mechanism providing tactile guidance to the surgeon
Obviousness Reasoning
Incorporating additional sensory feedback mechanisms is a known technique for improving surgical precision and represents an obvious design enhancement
35 U.S.C. § 103 Summary: Based on the teachings of US Patent 11857270 and the disclosed technological variations, a person having ordinary skill in the art would find the claimed robotic-assisted revision surgery system improvements to be obvious and lacking inventive distinctiveness. The incremental technological enhancements represent predictable combinations of known surgical robotics techniques that do not rise to the level of non-obvious innovation.

Original Patent Information

Patent NumberUS 11,857,270
TitleSystems and methods for a robotic-assisted revision procedure
Assignee(s)MAKO Surgical Corp.