Universal Base Portion for Needleless Valve Assembly
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Solution Overview
Problem
Manufacturers of needleless valve systems face challenges in using components designed for one type of needleless valve system for assembling another type, as different types (positive displacement and negative displacement) require distinct components.
Innovation Solution
A universal base portion that can be coupled with both positive displacement and negative displacement valves, utilizing a valve coupling feature that allows for snap-fit or other configurations to accommodate different valve types, enabling the assembly of either system with a single type of base portion.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If different types of needleless valve systems (positive displacement and negative displacement) use distinct components, then each valve type can be optimized for its specific function, but manufacturers are unable to use components designed for one type for assembling the other type, increasing component inventory needs and manufacturing complexity
Solution Approach 1:
The base portion is designed with a universal interface that can accommodate both positive displacement and negative displacement valves. The valve coupling feature includes a receptacle and sealing surface configuration that works with different valve types, allowing a single base portion to serve multiple valve configurations without requiring type-specific components.
Solution Approach 2:
The needleless valve system is divided into separable components: a universal base portion and interchangeable valve portions. This segmentation allows the base portion to remain consistent across different valve types while only the valve portion needs to be changed, reducing the overall component variety that manufacturers must manage.
2Manufacturing precision
If distinct components are used for different needleless valve types, then each component can be precisely engineered for its specific valve type, but the manufacturing process becomes more complex and inventory management becomes more difficult
Solution Approach 1:
The base portion incorporates a universal valve coupling feature with standardized dimensions and sealing surfaces that maintain precise engagement with different valve types. This universal interface is designed with tolerances that ensure accurate positioning and sealing regardless of which valve type is installed, eliminating the need for multiple precision-matched component sets.
Data Source
Figure 1A
Figure 1B
Figure 2
AI summary
A base portion for a needleless valve system comprising a body, and a valve coupling feature disposed on the body. The valve coupling feature is configured for coupling to a base coupling feature of a valve of a first type and a base coupling feature of a valve of a second type.