Biomedical Device Extraction Assembly Segmentation
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Solution Overview
Problem
Existing methods for extracting extractable materials from polymerized biomedical devices, such as contact lenses, are inefficient and costly, requiring large amounts of extraction media and prolonged processing times, which can lead to adverse reactions in patients.
Innovation Solution
The development of biomedical device carriers with recesses and carrier spacing members that allow for close arrangement and efficient extraction of polymerized devices using reduced amounts of extraction media, enabling the simultaneous processing of multiple devices in a specified time frame.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional extraction methods are used with large amounts of extraction media, then extractable materials can be removed from polymerized biomedical devices, but production costs and processing time increase significantly
Solution Approach 1:
The extraction system is segmented into multiple extraction stations arranged in series, where each station processes devices with a specific extraction media. This allows parallel processing of multiple devices through different stations, reducing overall processing time while maintaining extraction effectiveness.
Solution Approach 2:
The patent transitions from traditional single-batch extraction to a multi-station conveyor-based system, adding the dimension of continuous flow and spatial arrangement. Devices move through multiple extraction stations in sequence, enabling simultaneous extraction of many devices with reduced media volume per device.
2Reliability
If traditional extraction methods are used with large amounts of extraction media, then extractable materials can be removed from polymerized biomedical devices, but production costs increase
Solution Approach 1:
The extraction process is divided into multiple stations, each using optimized amounts of extraction media for specific extraction stages. This segmentation allows precise control of media consumption at each stage, reducing total media usage while maintaining overall extraction effectiveness.
Solution Approach 2:
The patent employs different extraction media with varying properties at different extraction stations. By changing media parameters (composition, concentration, flow rate) at each station, the system achieves effective extraction with reduced total media consumption compared to using a single large volume of media.
3Reliability
If polymerized biomedical devices are processed individually, then extraction can be performed, but productivity and manufacturing efficiency decrease
Solution Approach 1:
The system segments the extraction process into multiple independent stations that can process devices simultaneously. Multiple devices traverse different stations in parallel, enabling high-volume processing while each device receives individualized extraction treatment, thus maintaining quality while increasing productivity.
Solution Approach 2:
The conveyor-based system enables continuous processing of polymerized biomedical devices through multiple extraction stations without interruption. Devices move continuously from one station to the next, eliminating idle time between processing steps and maximizing manufacturing productivity while maintaining extraction quality.
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 significantly reduces production costs and time by allowing for the efficient extraction of extractable components from a large number of polymerized biomedical devices with minimal extraction media, enhancing manufacturing productivity.
Implementation Method 1
contacting the plurality of polymerized biomedical devices with a liquid extraction composition to remove an extractable component from the plurality of polymerized biomedical devices
Implementation Method 2
The recesses of the first biomedical device carrier and the convex surfaces of the second biomedical device carrier define a cavity therebetween to accommodate the polymerized biomedical device
Data Source
Figure 1
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AI summary
A biomedical device carrier includes multiple recesses for holding a plurality of polymerized biomedical devices, such as polymerized ophthalmic lenses, during an extraction procedure. A biomedical device extraction assembly includes multiple biomedical device carriers. The structure of the individual carriers and the arrangement of the carriers in the assembly provide sufficient extraction of an extractable component from the biomedical devices during an extraction procedure using relatively small amounts of extraction media per biomedical device. Methods of extracting biomedical devices include providing polymerized biomedical devices in the present carriers and assemblies and contacting the devices with an extraction composition.