Dialysate Solution Container Mixing Mechanism

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Solution Overview

Problem

Conventional methods for producing dialysate solutions require multiple containers and significant labor, as they necessitate pre-preparation of pharmaceutical agents and precise mixing with RO water, leading to space and operational inefficiencies.

Innovation Solution

A flexible container system comprising a first bag body for storing dialysate solution and a second bag body with a mixing region for dissolving powdered pharmaceutical agents using RO water, where the communication pipe connects to a dialysis circuit, reducing the need for external energy in mixing and allowing for efficient production of dialysate solutions.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If the continuous method is used to produce dialysate solutions, then the mixing and dilution of pharmaceutical agents with RO water can be achieved, but a number of containers corresponding to the number of types of pharmaceutical agents are required, leading to large space requirements and complex pump control

Engineering Contradiction:
Improvedialysate solution production efficiencyVSAvoidnumber of containers and pump control complexity
Core Design Contradiction:
ProductivityVSDevice complexity

Solution Approach 1:

The patent combines multiple pharmaceutical agent containers and the mixing function into a single integrated batch processing container. The container includes separate compartments for different pharmaceutical agents and RO water, with an internal mixing mechanism that combines all components in one vessel, eliminating the need for multiple separate containers and complex pump control systems.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The batch processing container is designed to handle multiple types of pharmaceutical agents through a universal structure with separate compartments. The same container can process different drug types by simply changing the pharmaceutical agent input, while maintaining the same mixing and processing mechanism, thus reducing the need for multiple specialized containers.

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

2Ease of operation

If the batch method is used to produce dialysate solutions, then pharmaceutical agents and RO water can be mixed in a container, but a number of containers corresponding to the number of types of pharmaceutical agents are required, leading to large space requirements and increased labor involvement

Engineering Contradiction:
Improvesimplicity of mixing processVSAvoidnumber of containers required
Core Design Contradiction:
Ease of operationVSDevice complexity

Solution Approach 1:

The patent merges multiple pharmaceutical agent storage compartments and the mixing chamber into a single integrated container system. The container includes separate compartments for different pharmaceutical agents that feed into a common mixing region, allowing batch processing of multiple drug types in one container rather than requiring separate containers for each agent type.

Inventive Principle:
Principle #5Merging (Combining)

3Adaptability or versatility

If the continuous method is used, then solutions can be continuously mixed and diluted, but containers must be fixed to an apparatus and pre-prepared solutions are required, reducing operational flexibility

Engineering Contradiction:
Improveflexibility in pharmaceutical agent selectionVSAvoiddialysate solution production rate
Core Design Contradiction:
Adaptability or versatilityVSProductivity

Solution Approach 1:

The patent prepares pharmaceutical agents in advance in separate compartments within the container, but maintains the ability to quickly switch between different agent types. The pre-prepared compartments are designed for rapid access and replacement, allowing the system to maintain flexibility in agent selection while enabling continuous or near-continuous production by minimizing setup time between different pharmaceutical agent types.

Inventive Principle:
Principle #10Preliminary action

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 container system reduces labor and space requirements by enabling efficient mixing and production of dialysate solutions within the container itself, using fluid energy to dissolve pharmaceutical agents, thus simplifying the dialysis process.

Implementation Method 1

a communication pipe by means of which the exterior of the second bag body is in communication with the second interior

Methodology Applied
Scientific EffectFluid pressure: Pressure Gradient

Implementation Method 2

a mixing region at a lower end portion of a second interior, in the mixing region a first powdered pharmaceutical agent is mixed with water

Methodology Applied
Scientific EffectGravity: Gravitation

Data Source

PatentEP3705144B1Dialysate solution container
Publication Date: 2023.09.27 NIKKISO CO LTD
  • EP3705144B1 patent drawingFigure 1
  • EP3705144B1 patent drawingFigure 2
  • EP3705144B1 patent drawingFigure 3

AI summary

A dialysate solution container 100 includes a flexible first bag body 10. The dialysate solution container 100 further includes a second bag body 20 which has a mixing region M for mixing a first powdered pharmaceutical agent 1 and water RO at a lower end portion of a second interior. The second bag body further has a communication pipe 21 that places the exterior of the second bag body 20 and the second interior in communication, and a first filter 22 which is in communication with a first interior of the first bag body 10. A first end 21a of the communication pipe 21 is capable of being connected to a dialysis circuit, and a second end 21b thereof is disposed within the mixing region M.