Surgical Robot Motion Mapping Using Relative Sub-Block Coordinates

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Solution Overview

Problem

Existing surgical robot log data acquisition methods generate absolute coordinate information, making it difficult to apply surgical data from one individual to another due to variations in surgical site shape and size.

Innovation Solution

A method that acquires surgical data using relative coordinates by designating a hexahedral block representing the maximum movement range of the surgical robot, dividing it into sub-blocks, and storing movement information for each sub-block.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Measurement precision

If absolute coordinate information is used for surgical robot log data, then the position information is accurately recorded, but the data cannot be applied to other individuals due to variations in surgical site shape and size

Engineering Contradiction:

Improveposition information accuracyVSAvoiddata reusability across different individuals

Core Design Contradiction:

Measurement precisionVSAdaptability or versatility

Solution Approach 1:

The surgical site is divided into multiple sub-blocks, and the hexahedral block is segmented into smaller regions. This segmentation allows the surgical data to be organized in a structured manner that can be adapted to different individual anatomies while maintaining precise position information within each sub-block

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The patent transforms the coordinate system from absolute coordinates to relative coordinates. This parameter change allows the same surgical data to be applied to different individuals by changing the reference frame, thereby improving data reusability while maintaining measurement precision through the structured sub-block organization

Inventive Principle:

Principle #35Parameter changes

2Loss of information

If surgical data is acquired using absolute coordinates, then the complete movement range is recorded, but the data structure becomes difficult to analyze and utilize for different surgical environments

Engineering Contradiction:

Improvecomplete movement range recordingVSAvoiddata analysis and utilization ease

Core Design Contradiction:

Loss of informationVSEase of manufacture

Solution Approach 1:

By dividing the hexahedral block into multiple sub-blocks, the surgical data is segmented into manageable units. This makes the data easier to analyze and utilize for different surgical environments while maintaining complete movement range information through the organized structure of sub-block data

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The patent introduces a new dimensional organization by dividing the three-dimensional hexahedral block into multiple sub-blocks. This additional organizational dimension allows for easier data analysis and utilization while preserving the complete movement range information in a structured format

Inventive Principle:

Principle #17Another dimension (Dimensionality change)

Data Source

PatentUS12239395B2Method for acquiring surgery data in units of sub-blocks and device therefor

Publication Date: 2025.03.04 MEERE CO INC

AI summary

This application relates to a surgical data acquisition method. In one aspect, the surgical data acquisition method includes acquiring information about movement of a surgical robot, and dividing a hexahedral block including a maximum movement range of the surgical robot into a plurality of sub-blocks of a specified number. The method may also include storing, for each of the plurality of sub-blocks, information on a sub-block corresponding to a position in which the surgical robot has moved and information about the movement of the surgical robot within the sub-block.