Enhanced Medical Instrument Tracking and Navigation System

Publication ID: 24-11857274_0001_PTD
Published: November 07, 2025
Category:Direct Improvements & Enhancements

Legal Citation

pr1or.art Inc., “Enhanced Medical Instrument Tracking and Navigation System,” Published Technical Disclosure No. 24-11857274_0001_PTD, Published November 07, 2025, available at https://archive.pr1or.art/24-11857274_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. 11,857,274.

Summary of the Inventive Concept

An improved medical instrument system that leverages advanced tracking and navigation capabilities to enhance surgical planning, navigation, and real-time feedback, ultimately leading to better patient outcomes.

Background and Problem Solved

Current medical instrument systems have limitations in providing accurate and real-time tracking and navigation during surgical procedures, which can lead to complications and errors. The original patent, 'Medical instrument with fiducial markers,' addressed some of these limitations, but there is still a need for further improvements to make the system more efficient, accurate, and user-friendly. The new inventive concept solves this problem by introducing advanced tracking and navigation capabilities, including machine learning algorithms and multi-angle camera systems, to provide surgeons with real-time feedback and improve surgical outcomes.

Detailed Description of the Inventive Concept

The enhanced medical instrument system comprises a physical instrument with fiducial markers, a visible light camera, and a processing unit. The camera captures images of the instrument, and the processing unit detects the fiducial markers and tracks the instrument's movement in three-dimensional space. The system can provide real-time feedback to the surgeon during the procedure, enhancing surgical navigation and planning. The system can also include a user interface, warning system, and machine learning algorithms to improve tracking accuracy and identify potential risks or complications. The system can be used in various surgical settings, including laparoscopic, endoscopic, and robotic-assisted surgeries.

Novelty and Inventive Step

The new inventive concept introduces several novel features, including the use of machine learning algorithms to improve tracking accuracy, multi-angle camera systems to provide a more comprehensive view of the surgical site, and a warning system to alert the surgeon of potential errors or deviations from the planned procedure. These features, combined with the advanced tracking and navigation capabilities, provide a significant improvement over the original patent and existing medical instrument systems.

Alternative Embodiments and Variations

Alternative embodiments of the inventive concept could include the use of different types of cameras, such as infrared or fluorescence cameras, or the integration of additional sensors, such as force sensors or tactile sensors, to provide a more comprehensive understanding of the surgical site. The system could also be adapted for use in different surgical specialties, such as orthopedic, neurosurgical, or cardiovascular surgery.

Potential Commercial Applications and Market

The enhanced medical instrument system has significant commercial potential in the medical device industry, particularly in the areas of surgical navigation and planning. The system could be marketed to hospitals, surgical centers, and medical device manufacturers, and could potentially be integrated into existing surgical systems or used as a standalone device. The market for surgical navigation systems is growing rapidly, driven by the increasing demand for minimally invasive surgeries and the need for improved patient outcomes.

CPC Classifications

SectionClassGroup
A A61 A61B34/20
A A61 A61B34/10
A A61 A61B2034/107
A A61 A61B2034/2068
G G06 G06F3/011

Field of Art

Medical device tracking and surgical navigation technologies, involving computer vision, sensor integration, and surgical instrument design with a focus on precise spatial positioning and real-time feedback systems

Person of Ordinary Skill (PHOSITA) Profile

A biomedical engineer or medical device designer with expertise in computer vision, sensor technologies, medical instrumentation, and surgical navigation systems, holding advanced degrees in bioengineering or related fields with 3-5 years of industry experience

Obviousness Rationale

A PHOSITA would recognize that the published technical disclosure represents predictable extensions of the source patent's core fiducial marker tracking technology by integrating standard machine learning, multi-angle imaging, and real-time feedback techniques that are well-established in medical navigation systems. The variations demonstrate incremental improvements using known technological approaches that would be obvious to implement given the foundational tracking methodology disclosed in the source patent. The additional features like machine learning algorithms and warning systems represent standard design choices for enhancing instrument tracking precision and surgical safety.

Obvious Combinations & Variations

Source Patent Element
Fiducial marker system with code platform for instrument tracking
PTD Variation
Adding machine learning algorithms to improve marker detection and tracking accuracy
Obviousness Reasoning
Applying machine learning to image processing is a known technique for enhancing computer vision systems, representing a predictable optimization of existing tracking technologies
Source Patent Element
Two-dimensional instrument tracking using code regions
PTD Variation
Expanding to multi-angle camera systems for comprehensive three-dimensional tracking
Obviousness Reasoning
Increasing spatial tracking complexity through multiple camera perspectives is a standard engineering approach for improving spatial resolution and tracking precision
Source Patent Element
Basic instrument with fiducial markers for surgical navigation
PTD Variation
Integrating a warning system to alert surgeons about procedural deviations
Obviousness Reasoning
Adding safety monitoring features is a foreseeable design improvement motivated by patient safety considerations and standard risk management practices in medical technologies
Source Patent Element
Instrument with code platform for basic spatial tracking
PTD Variation
Creating three-dimensional procedural simulation models using captured tracking data
Obviousness Reasoning
Transforming tracking data into predictive models is a logical extension of spatial tracking technologies, representing a standard approach to surgical planning and risk assessment
Source Patent Element
Visible light camera-based tracking system
PTD Variation
Exploring alternative camera technologies like infrared and fluorescence imaging
Obviousness Reasoning
Investigating alternative sensing modalities is a routine design exploration for expanding instrument tracking capabilities across different surgical contexts
35 U.S.C. § 103 Summary: Based on the teachings of US Patent 11857274 and the published technical disclosure, a person having ordinary skill in the art would find the claimed variations of medical instrument tracking systems to be obvious extensions of existing technologies. The disclosed improvements represent predictable combinations of known techniques in computer vision, machine learning, and surgical navigation, thereby rendering potential patent claims obvious under 35 U.S.C. Section 103.

Original Patent Information

Patent NumberUS 11,857,274
TitleMedical instrument with fiducial markers
Assignee(s)Medivis, Inc.