Reagent Cartridge Fluid Monitoring for Stable Flow Rate Control

Resolve Bottlenecks,
Find Innovative Solutions
Generate Solutions

Solution Overview

Problem

Existing sequencing platforms face challenges in accurately determining reagent flow rates and volumes within reagent reservoirs due to factors like impedance variability, humidity, and manufacturing tolerances, leading to inconsistencies in fluidic operations.

Innovation Solution

A system incorporating a sensor module and controller that generate signals associated with reagent volume and flow rate, allowing for real-time adjustments of operating parameters such as pressure and flow time to maintain optimal reagent flow within threshold ranges.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Measurement precision

If sensor modules are added to monitor reagent volume and flow rate, then measurement precision is improved, but device complexity increases

Engineering Contradiction:
Improvereagent flow rate measurementVSAvoidsystem structure
Core Design Contradiction:
Measurement precisionVSDevice complexity

Solution Approach 1:

The patent implements feedback control by continuously monitoring reagent flow rate and volume using sensor modules and adjusting system parameters (such as pressure or pump speed) based on the measured values to maintain optimal flow conditions within threshold ranges

Inventive Principle:
Principle #23Feedback

Solution Approach 2:

The patent replaces complex mechanical flow measurement systems with sensor-based detection systems that use electrical or optical fields to measure reagent flow rate and volume, simplifying the overall system structure while improving measurement precision

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

2Reliability

If real-time monitoring and adjustment of pressure is implemented, then reliability is improved, but device complexity increases

Engineering Contradiction:
Improvefluidic operation consistencyVSAvoidcontrol system
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The system continuously monitors reagent flow rate and compares it against threshold ranges, automatically adjusting pressure parameters when deviations are detected to maintain reliable and consistent fluidic operations

Inventive Principle:
Principle #23Feedback

Solution Approach 2:

The patent implements dynamic control of pressure parameters that can be adjusted in real-time based on monitored flow conditions, allowing the system to adapt to variations and maintain optimal performance

Inventive Principle:
Principle #15Dynamics

3Measurement precision

If sensor modules are integrated into reagent cartridges, then measurement precision is improved, but manufacturing precision requirements increase

Engineering Contradiction:
Improvereagent volume detectionVSAvoidsensor integration accuracy
Core Design Contradiction:
Measurement precisionVSManufacturing precision

Solution Approach 1:

The patent divides the monitoring function into separate sensor modules that can be independently manufactured and then integrated into the reagent cartridge, allowing for specialized manufacturing processes for each component and reducing overall manufacturing precision requirements

Inventive Principle:
Principle #1Segmentation

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

Ensures precise control of reagent flow rates and volumes, enhancing the accuracy and reliability of fluidic operations in sequencing systems by compensating for environmental and manufacturing variations.

Implementation Method 1

the sensor module is adapted to generate a signal associated with a volume of reagent contained within the reagent reservoir

Methodology Applied
Scientific EffectCapacitance: Capacitance

Data Source

PatentUS20250339860A1Systems for Monitoring Fluidics in Reagent Cartridges and Related Methods
Publication Date: 2025.11.06 ILLUMINA INC
  • US20250339860A1 patent drawing
  • US20250339860A1 patent drawing
  • US20250339860A1 patent drawing

AI summary

Systems for monitoring fluidics in reagent cartridges and related methods. An apparatus includes a system includes a reagent cartridge receptacle and a flow cell assembly. The apparatus includes a reagent cartridge receivable within the reagent cartridge receptacle and adapted to carry the flow cell assembly. The reagent cartridge includes a reagent reservoir fluidically coupled to the flow cell assembly. The apparatus includes a sensor module adapted to be positioned adjacent the reagent reservoir. The sensor module is adapted to generate a signal associated with a volume of reagent contained within the reagent reservoir.