Integrated Diagnostic Device for Automated Bacterial Identification
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Solution Overview
Problem
Current diagnostic techniques for identifying bacteria and determining effective antibiotics are time-consuming, often requiring manual isolation and culture methods, which can lead to delayed treatment and antibiotic resistance due to the indiscriminate use of broad-spectrum antibiotics.
Innovation Solution
An integrated device and method for automated diagnostic analysis that includes a liquid culture medium for bacterial growth, automatic sample handling, and a system for verifying bacterial presence and antibiotic sensitivity without manual intervention, allowing for quick and reliable identification of bacteria and selection of appropriate antibiotics.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Extent of automation
If traditional manual isolation and culture methods are used for bacterial identification and antibiogram, then the analysis can be performed with simple equipment, but the time required for diagnosis is long and manual intervention is needed
Solution Approach 1:
The patent combines multiple diagnostic functions (bacterial culture, identification, and antibiogram testing) into a single integrated automated device. The system merges the sample processing, incubation, and analysis stages into one unified platform that automatically handles the entire diagnostic workflow from urine sample to final antibiotic susceptibility results.
Solution Approach 2:
The diagnostic device performs multiple functions within a single system: it conducts bacterial culture in liquid medium, identifies bacterial species through biochemical analysis, and simultaneously tests antibiotic susceptibility. This multi-functional approach eliminates the need for separate manual procedures for each diagnostic step.
2Speed
If broad-spectrum antibiotics are administered in advance without diagnostic tests, then treatment can start immediately, but antibiotic resistance increases due to indiscriminate use
Solution Approach 1:
The system performs preliminary automated diagnostic actions including rapid bacterial detection and antibiotic susceptibility testing before final treatment decisions are made. The automated antibiogram provides pre-planned antibiotic recommendations that guide physicians in selecting targeted therapy rather than empiric broad-spectrum treatment.
Solution Approach 2:
The diagnostic system provides rapid feedback on bacterial presence and antibiotic susceptibility, enabling physicians to adjust treatment based on actual pathogen identification and drug sensitivity results. This feedback loop prevents continued use of ineffective broad-spectrum antibiotics and reduces selection pressure for resistance development.
3Productivity
If rapid automated diagnostic analysis is implemented, then treatment can be optimized quickly, but the device complexity and cost increase
Solution Approach 1:
The system performs self-service automated operations including sample aspiration, liquid medium preparation, incubation monitoring, and result analysis without requiring manual intervention at each step. The automated device independently completes the entire diagnostic workflow, reducing the need for laboratory技术人员 and increasing throughput.
Solution Approach 2:
The patent replaces manual mechanical operations with automated systems: mechanical pipetting is replaced by automated fluid handling, visual inspection by operators is replaced by optical sensors and image analysis, and manual data recording is replaced by electronic result generation. This substitution increases speed and consistency while managing complexity through integration.
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
This approach enables rapid, automated bacterial identification and antibiotic susceptibility testing, reducing the need for manual handling and minimizing antibiotic resistance by providing quick and accurate results, thereby optimizing patient treatment.
Implementation Method 1
intermediate reading means positioned on the semi-circle capable of interacting with the laser beam
Implementation Method 2
laser beam... capable of interacting with the laser beam
Data Source
AI summary
An integrated device for diagnostic analyzes used to verify the presence of bacteria in at least a biological sample mixed with a eugonic culture medium in liquid form, to classify at least the type of bacteria, and to test a series of antibiotics, selected from a group of characteristic antibiotics at least for the type of bacteria identified, identifying those effective to determine the antibiotic therapy. The device comprises, inside an integrated structure, first containing means provided with containing elements in which the biological samples to be analyzed are distributed, second containing means comprising recipients or micro-plates thermostated with wells containing a eugonic culture medium in liquid form in which a first fraction of the biological samples to be analyzed is dispensed, and a first recipient and second recipients or plates with a relative first well and second wells in which a further fraction of the biological samples which resulted positive to the analysis is dispensed.