NIRS Sampling Device for Blend Uniformity Analysis
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Solution Overview
Problem
Current sampling and analysis practices in pharmaceutical manufacturing lead to delays in processing, causing particle segregation and de-mixing, which limits production throughput and may result in adulterated blends due to the need for extended storage and external laboratory analysis.
Innovation Solution
Integration of a NIRS fiber optic probe within a sampling device allows for immediate data acquisition and analysis of blend uniformity, eliminating the need for external laboratory analysis and reducing storage time.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If samples are sent to external quality control laboratory for analysis, then analysis accuracy is improved, but analysis time increases from 24 hours to 7 days
Solution Approach 1:
The patent merges the sampling device with an integrated NIRS (Near-Infrared Spectroscopy) analyzer, combining functions that were previously separated. The sampling device now includes an onboard analytical instrument that can perform blend uniformity analysis immediately at the sampling location, eliminating the need to transport samples to external laboratories and reducing analysis time from days to minutes while maintaining measurement accuracy through calibrated spectral analysis.
Solution Approach 2:
The patent replaces the mechanical/physical sample transport system with an optical analysis system. Instead of physically moving samples through logistics chains to external laboratories, the invention uses NIRS optical technology to analyze blend uniformity in situ. The optical fibers and spectral analysis system substitute for the mechanical sample handling and transportation infrastructure, enabling immediate analysis without physical sample movement.
2Reliability
If blends are stored for several days waiting for laboratory results, then complete analysis is ensured, but particle segregation and de-mixing occur
Solution Approach 1:
The patent performs blend uniformity analysis immediately at the time of sampling rather than delaying analysis. The integrated NIRS system conducts spectral analysis right when the sample is collected, generating results in minutes instead of days. This preliminary action captures the blend composition at the moment of sampling before any segregation or de-mixing can occur during storage, ensuring reliable data on the actual blend uniformity.
Solution Approach 2:
The patent introduces NIRS spectral analysis as an intermediary method between sampling and final product release decisions. Instead of relying on slow physical sample transport and traditional laboratory analysis, the optical spectral analysis acts as a rapid intermediary that provides immediate feedback on blend uniformity, enabling real-time process control without compromising analytical reliability through proper calibration and validation.
3Productivity
If blends are compressed at risk before laboratory results are generated, then production throughput is increased, but batch rejection risk increases if out of specification
Solution Approach 1:
The patent implements immediate feedback on blend uniformity through integrated NIRS analysis. The system provides real-time spectral data and uniformity assessment right at the sampling point, enabling operators to make informed decisions about whether to proceed with compression. This feedback mechanism eliminates the need to compress at risk by providing specification compliance information before the compression decision is made, thus maintaining both productivity and batch rejection prevention.
Solution Approach 2:
The patent performs blend uniformity verification in advance of the compression operation through immediate NIRS analysis. By conducting the analytical assessment right when sampling occurs, the system provides preliminary confirmation of specification compliance before compression begins, eliminating the need for risk-based compression decisions and preventing batch rejection through proactive quality assurance.
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 solution enables quick generation of blend uniformity results, reducing storage time, increasing production throughput, and minimizing the risk of out-of-specification batches by allowing for immediate data analysis within the sampling device.
Implementation Method 1
a probe within the inner housing configured to collect data from the sample. A portion of the internal surface of the sample chamber can have a low-reflectance finish. Further, the probe can be a NIRS fiber optic probe configured to transmit an NIR beam into the sample chamber
Data Source
AI summary
A sampling device including a Near-Infrared Spectroscopy (NIRS) fiber optic probe and methods of using the device are provided. The sampling device performs both NIRS data collection and physical sample collection. The sampling device operates by inserting the device into a powder or blend to be sampled, collecting a sample within the sample chamber in the device, and performing NIRS analysis of the sample within the sample chamber.