Body-Worn AR Surgical Guidance for Instrument Identification

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Solution Overview

Problem

Orthopedic surgical procedures face inefficiencies due to the reliance on printed instructions and physical objects that obstruct the surgical field, requiring manual instrument identification and assembly, which can be time-consuming and error-prone.

Innovation Solution

An augmented reality (AR) device is used to project virtual representations of surgical instruments and tools onto the surgical field, allowing for efficient identification, assembly, and tracking of instruments, while maintaining sterility and enhancing surgical precision.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Loss of information

If printed instructions and physical objects are used during surgery, then surgical steps can be documented and followed, but the surgical field is obstructed and efficiency is reduced

Engineering Contradiction:
Improvesurgical instructionsVSAvoidsurgical field
Core Design Contradiction:
Loss of informationVSArea of stationary object

Solution Approach 1:

The patent uses augmented reality to create virtual copies of surgical instruments and instructions that are overlaid onto the physical surgical field. Instead of using physical printouts or models that occupy space, the system projects digital representations through AR glasses, allowing surgeons to access detailed instrument information, assembly instructions, and procedural guidance without physical objects blocking the view or workspace.

Inventive Principle:
Principle #26Copying

2Ease of operation

If manual instrument identification and searching is performed, then instruments can be located, but time is lost and efficiency decreases

Engineering Contradiction:
Improveinstrument identificationVSAvoidprocedure time
Core Design Contradiction:
Ease of operationVSLoss of time

Solution Approach 1:

The system incorporates computer vision technology that continuously monitors the surgical field and automatically identifies instruments based on their visual characteristics. The AR display provides real-time feedback by highlighting or labeling instruments as they are detected, eliminating the need for manual searching and allowing the surgical team to quickly locate required tools without interrupting the procedure flow.

Inventive Principle:
Principle #23Feedback

3Ease of operation

If laser pointers are used to identify instruments, then instrument location can be indicated, but sterility is compromised and safety is reduced

Engineering Contradiction:
Improveinstrument indicationVSAvoidsterility
Core Design Contradiction:
Ease of operationVSReliability

Solution Approach 1:

The patent replaces the mechanical laser pointer system with an augmented reality optical display system. Instead of using external laser devices that require breaking sterility barriers, the instrument indication is achieved through virtual overlays projected directly into the surgeon's field of view via AR glasses. This substitution maintains the informational function while preserving the sterile environment and eliminating safety concerns associated with laser pointers in surgical settings.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

Data Source

PatentUS20260080638A1Medical instrument guidance body-worn camera system
Publication Date: 2026.03.19 ZIMMER INC
  • US20260080638A1 patent drawing
  • US20260080638A1 patent drawing
  • US20260080638A1 patent drawing

AI summary

A medical instrument coordination system and method for automated surgical guidance using body-worn camera devices are described. A system may include an automated body-worn camera device configured to identify and track medical instruments, surgical supplies, and treatment apparatus within a surgical field through object recognition and automated monitoring capabilities. The system may provide cross-device communication to coordinate multiple treatment devices, enabling transmission of surgical guidance information to external displays and networked medical instruments. The body-worn camera device may provide auditory feedback mechanisms for procedural alerts and instrument identification guidance. The system may present automated analysis of surgical procedures, such as automated detection of surgical step completion and real-time monitoring of medical instrument usage. The medical instrument coordination system may facilitate surgical procedure guidance while enabling visualization of surgical fields and treatment areas through integrated diagnostic equipment and surgical assistance technologies.