Automated Cell Suction System with Image-Guided Positioning

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Solution Overview

Problem

Current cell suction systems are labor-intensive and time-consuming when handling large volumes of cells, as operators must manually select and suck individual cells or cell components, leading to increased operator burden.

Innovation Solution

A cell suction support system comprising an optical system, suction action part, and information processor that includes an XY stage, microscope, XYZ stage, tip rack, and image processing capabilities to automatically detect and position cells for suction, reducing manual handling and increasing efficiency.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If manual cell selection and suction operation is performed by an operator, then flexibility in selecting specific cells is maintained, but operator burden and time consumption increase significantly

Engineering Contradiction:
Improveoperator burdenVSAvoidsystem complexity
Core Design Contradiction:
Ease of operationVSDevice complexity

Solution Approach 1:

The system enables automatic cell selection and suction through image processing and automated control mechanisms. The image processing unit automatically identifies target cells based on predetermined conditions, and the suction control unit automatically positions and operates the suction pipette, eliminating the need for manual operator intervention in cell selection and suction operations.

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

The patent replaces manual mechanical operations with an automated optical-mechanical system. The microscope captures cell images, the image processing unit analyzes and identifies target cells through computational algorithms, and the suction control unit mechanically positions and operates the suction pipette based on processed image data, substituting human manual operations with an integrated automated system.

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

2Productivity

If automated image processing and cell detection is implemented, then processing speed and precision increase, but system complexity and initial operational setup increase

Engineering Contradiction:
Improvecell processing speedVSAvoidsystem complexity
Core Design Contradiction:
ProductivityVSDevice complexity

Solution Approach 1:

The system integrates multiple functions into a single platform: the microscope serves both visual observation and image capture, the image processing unit performs both cell identification and coordinate extraction, and the suction control unit handles both positioning and suction operations. This multi-functional integration increases productivity while managing overall system complexity through coordinated operation of unified components.

Inventive Principle:
Principle #6Universality (Multi-functionality)

Solution Approach 2:

The system establishes a feedback loop where the image processing unit continuously monitors cell positions and characteristics, compares them against predetermined conditions, and provides real-time feedback to the suction control unit for automatic adjustment of suction pipette positioning and operation, enabling high-speed automated cell processing with adaptive control.

Inventive Principle:
Principle #23Feedback

Data Source

PatentEP2955502B1Cell suction support system
Publication Date: 2022.12.14 YOKOGAWA ELECTRIC CORP
  • EP2955502B1 patent drawingFigure 1
  • EP2955502B1 patent drawingFigure 2
  • EP2955502B1 patent drawingFigure 3A~3C

AI summary

A cell suction support system includes: an image acquisition unit that acquires a microscopic image of a group of cells in a cell container; an image processor that uses the microscopic image to calculate a characteristic amount of each cell, and detects a cell having a characteristic amount that satisfies a predetermined condition; a display that displays information concerning the group of cells so that the detected cell is distinguishable; and a movement controller that moves the cell container so that a designated specific cell is placed at a predetermined suction position, while moving a suction tip to the suction position.