Automated Bacteria Collection System with Modular Manipulator

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Solution Overview

Problem

Conventional sterility inspection processes for test samples with different varieties and packaging specifications suffer from low automation, integration, and intelligence, leading to inefficiencies and variability in results due to manual operations.

Innovation Solution

An intelligent bacteria collection system comprising a guide rail, tray module, manipulator module, peristaltic pump module, flipping mechanism module, and control infusion module, which automates the bacteria collection process, adapts to various sample types and packaging, and reduces manual intervention.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If manual operations are used for bacteria collection in sterility inspection, then the system is simple and easy to operate, but the efficiency is low and results vary due to personnel differences

Engineering Contradiction:
Improvebacteria collection efficiencyVSAvoidsystem complexity
Core Design Contradiction:
ProductivityVSDevice complexity

Solution Approach 1:

The system is divided into multiple functional modules: manipulator module for sample handling, peristaltic pump module for liquid transfer, flipping mechanism for container orientation, and control infusion module for precise delivery. Each module performs a specific function, allowing the complex automation task to be managed through modular components that can be independently optimized and maintained.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

Manual mechanical operations are replaced with an automated manipulator system that uses programmable motion control. The manipulator module with multi-axis movement replaces human hands, while the peristaltic pump module replaces manual syringe operation, providing consistent, repeatable actions without human variability.

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

2Measurement precision

If manual operations are used for bacteria collection, then the device complexity is low, but the measurement precision and reliability of sterility inspection results are affected by personnel variability

Engineering Contradiction:
Improvesterility inspection accuracyVSAvoidautomation system complexity
Core Design Contradiction:
Measurement precisionVSDevice complexity

Solution Approach 1:

The system incorporates sensors and control systems that monitor the bacteria collection process in real-time. The control infusion module receives feedback from the peristaltic pump on liquid volume delivered, and the manipulator module receives feedback on position and orientation, allowing for precise control and correction of any deviations from the intended procedure.

Inventive Principle:
Principle #23Feedback

Solution Approach 2:

The automated system performs all bacteria collection operations autonomously without requiring human intervention during the critical measurement phase. The manipulator module automatically positions samples, the peristaltic pump automatically delivers precise volumes, and the flipping mechanism automatically orients containers, eliminating personnel variability from the measurement process.

Inventive Principle:
Principle #25Self-service

3Productivity

If manual operations are used, then the system is simple, but the productivity and work efficiency of sterility inspection are low

Engineering Contradiction:
Improvesterility inspection throughputVSAvoidautomation level
Core Design Contradiction:
ProductivityVSExtent of automation

Solution Approach 1:

Multiple operations that were previously performed separately by hand are merged into a coordinated automated sequence. The manipulator module, peristaltic pump module, flipping mechanism, and control infusion module work together in an integrated workflow, allowing simultaneous or sequential execution of sample handling, liquid transfer, container manipulation, and infusion control, thereby increasing throughput.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The automated system enables continuous operation without the interruptions inherent in manual work. The manipulator module can continuously transfer samples, the peristaltic pump can continuously deliver liquids at controlled rates, and the flipping mechanism can continuously reposition containers, maintaining uninterrupted workflow and maximizing inspection throughput.

Inventive Principle:
Principle #20Continuity of useful action

4Reliability

If manual operations are used for bacteria collection, then the device is simple to operate, but secondary pollution may occur and aseptic conditions are harder to maintain

Engineering Contradiction:
Improveaseptic condition maintenanceVSAvoidautomation module complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The critical bacteria collection operations are extracted from the manual domain and placed into a controlled automated system. By removing human hands and tools from direct contact with sterile samples during the collection process, the risk of secondary pollution is eliminated. The automated manipulator and infusion modules operate within a controlled environment that maintains aseptic conditions.

Inventive Principle:
Principle #2Taking out (Extraction)

Solution Approach 2:

The automated system components act as intermediaries between the operator and the sterile samples. The manipulator module handles sample containers, the peristaltic pump module transfers liquids through closed tubing, and the control infusion module delivers precise volumes without direct human contact, serving as barriers that prevent contamination while maintaining process control.

Inventive Principle:
Principle #24Intermediary (Mediator)

Applied Scientific Principles

This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.

Function Achieved in This Case

The system enhances the efficiency and accuracy of bacteria collection, reduces secondary pollution, and improves work efficiency by eliminating the need for manual operations and ensuring high detection accuracy under aseptic conditions.

Implementation Method 1

a peristaltic pump module (500), wherein the peristaltic pump module is provided on one side of the tray module (100)

Methodology Applied
Scientific EffectPeristalsis: Peristalsis

Data Source

PatentUS12234442B2Intelligent bacterial collection system
Publication Date: 2025.02.25 HANGZHOU DIANZI UNIV
  • US12234442B2 patent drawing
  • US12234442B2 patent drawing
  • US12234442B2 patent drawing

AI summary

An intelligent bacteria collection system includes a bottle opening module and a peristaltic pump module opposite to each other, wherein a guide rail is arranged between the bottle opening module and the peristaltic pump module, and a tray module is placed on the guide rail; a manipulator module and the peristaltic pump module are fixed on an infusion operation platform; a control infusion module is placed on the tray module, which can be moved to and fixed on the infusion operation platform by the manipulator module. The present invention replaces the conventional artificial bacteria collection process, makes the bacteria collection process more rapid, reduces the possible secondary pollution in the manual detection operation process, improves the accuracy of the bacteria collection detection, and improves the work efficiency. The present invention provides high degree of automation, wherein no manual operation is required in the bacteria collection process.