Expandable Fluid Connector for Sterile Multi-Path Flow

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Solution Overview

Problem

Existing connectors for fluid processing systems, particularly in pharmaceutical and biotechnological industries, face challenges such as increased leak points and complexity due to multiple connections, requiring improved designs for efficient and sterile fluid flow management.

Innovation Solution

A connector design featuring two hollow bodies with expandable and collapsible positions, integrated locking mechanisms, and anti-actuation assemblies, allowing for flexible fluid flow paths and reduced leak points, along with removable caps and anti-actuation assemblies for enhanced sterility and ease of use.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If multiple connectors are used for fluid connections, then fluid flow paths are established, but the number of leak points increases

Engineering Contradiction:
Improvefluid flow path configurationVSAvoidleak points
Core Design Contradiction:
Adaptability or versatilityVSReliability

Solution Approach 1:

The patent combines multiple connector bodies into a single integrated assembly where multiple fluid connections are made through one unified structure. The first and second hollow connector bodies are connected to each other, creating a single assembly that provides multiple fluid flow paths while reducing the total number of separate connection points and potential leak sources.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The connector design features nested hollow structures where the first hollow connector body contains or is connected to the second hollow connector body. This nested arrangement allows multiple fluid connections to be made through a compact, integrated structure rather than requiring separate external connectors for each connection point.

Inventive Principle:
Principle #7Nested doll (Nesting)

2Adaptability or versatility

If multiple external hardware and connectors are arranged for fluid connections, then fluid flow is enabled, but system complexity increases

Engineering Contradiction:
Improveconnection capabilityVSAvoidsystem complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The patent merges multiple connector functions into a single integrated assembly. The first hollow connector body with its hollow extension and the second hollow connector body are combined into one unit that provides multiple fluid connection capabilities, eliminating the need for separate external hardware and reducing overall system complexity.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The connector assembly is designed to perform multiple functions within a single structure. The first hollow connector body can connect to multiple sources or destinations through its hollow extension and aperture, while the second hollow connector body provides additional connection points, making the assembly a universal multi-functional component.

Inventive Principle:
Principle #6Universality (Multi-functionality)

3Ease of operation

If connectors are designed for easy assembly, then ease of operation is improved, but sterility may be compromised

Engineering Contradiction:
Improveassembly easeVSAvoidsterility
Core Design Contradiction:
Ease of operationVSReliability

Solution Approach 1:

The nested hollow connector structures are designed to be assembled together in a straightforward manner while maintaining sterile barriers. The first hollow connector body with its hollow extension nests with the second hollow connector body, allowing easy assembly through simple connection movements while preserving the integrity of sterile fluid paths.

Inventive Principle:
Principle #7Nested doll (Nesting)

Data Source

PatentUS12031654B2Fluid connector
Publication Date: 2024.07.09 CYTIVA US LLC
  • US12031654B2 patent drawing
  • US12031654B2 patent drawing
  • US12031654B2 patent drawing

AI summary

A connector is provided comprising first and second hollow connector bodies, the connector having a first expanded position providing a first fluid flow path through the first hollow connector body, and a second collapsed position providing a second fluid flow path through the first and second hollow connector bodies.