Nested Syringe Assembly for Compact Sterile Packaging
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Solution Overview
Problem
Conventional sterile packaged single-patient single-use disposable syringe injection systems are bulky, leading to increased storage, shipping, and disposal challenges due to their large size.
Innovation Solution
A nested syringe assembly is designed, where a smaller inner syringe is housed within a larger outer syringe, with a compact packaging system that includes plunger seal assemblies, engagement mechanisms, and a flexible tube assembly to reduce volume and enhance sterility, allowing for efficient storage and shipping while maintaining functionality.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If conventional sterile packaged syringe injection systems are used, then sterility and functionality are maintained, but the packaging volume is large leading to increased storage and shipping costs
Solution Approach 1:
The patent applies nesting by placing the inner syringe inside the outer syringe, with the inner syringe's cylindrical body positioned within the hollow interior of the outer syringe's cylindrical body. This nested configuration significantly reduces the overall packaging volume while maintaining sterile barriers for both syringes, directly resolving the contradiction between compact packaging and sterility maintenance.
2Area of stationary object
If conventional sterile packaged syringe injection systems are used, then sterility is ensured, but storage and shipping space is wasted
Solution Approach 1:
The nested arrangement of syringes reduces the footprint and volume occupied in storage shelves and shipping containers. Each syringe maintains its sterile packaging integrity through the nested configuration, allowing efficient space utilization without compromising sterile package integrity.
3Volume of moving object
If a nested syringe assembly is used, then packaging volume is reduced, but device complexity increases
Solution Approach 1:
The nested syringe assembly achieves compact packaging by positioning the inner syringe within the outer syringe. The complexity is managed through straightforward structural relationships - the inner syringe's cylindrical body fits within the outer syringe's hollow interior, with plunger mechanisms positioned to avoid interference. This nesting approach reduces packaging volume while keeping the assembly complexity relatively low through intuitive spatial arrangement.
Solution Approach 2:
The syringe assembly is segmented into distinct functional components - outer syringe, inner syringe, outer plunger, inner plunger - that can be independently manufactured and then assembled in the nested configuration. This segmentation allows for modular manufacturing and simplifies the assembly process, reducing the overall complexity despite the nested structure.
Data Source
AI summary
Provided is an apparatus, system, and method for a nested syringe assembly. The nested syringe assembly includes a first syringe having a cylindrical body defining an inner diameter and a second syringe having a cylindrical body defining an outer diameter. The outer diameter of the second syringe is less than the inner diameter of the first syringe. At least a portion of the cylindrical body of the second syringe is disposed within the cylindrical body of the first syringe.