Sorbent Cartridge Dialysis System for Home Use
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Solution Overview
Problem
Conventional dialysis systems require continuous access to large volumes of water, reverse osmosis machinery, and specialized plumbing, limiting their use to clinical settings and reducing patient autonomy and quality of life.
Innovation Solution
A dialysis system that includes a sorbent cartridge and a sodium control system, allowing for the regeneration and recycling of dialysis solution using tap water, eliminating the need for large water volumes and reverse osmosis equipment, and enabling home use by controlling sodium levels within physiological ranges.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional hemodialysis systems are used, then effective toxin removal is achieved, but the system requires continuous access to large volumes of water, reverse osmosis machinery, and specialized plumbing
Solution Approach 1:
The patent recycles used dialysis solution by passing it through a sorbent cartridge that removes urea and other waste metabolites, allowing the solution to be reused multiple times. This eliminates the need for continuous large volumes of fresh water and reverse osmosis machinery, as the same solution is continuously regenerated and recirculated
Solution Approach 2:
The patent extracts the water purification function from the dialysis system by using a sorbent cartridge that selectively removes urea and waste metabolites from the dialysis solution without requiring reverse osmosis machinery or specialized plumbing infrastructure
2Reliability
If conventional hemodialysis systems are used, then effective toxin removal is achieved, but patient autonomy and quality of life are significantly decreased due to clinic-based treatment requirements
Solution Approach 1:
The patent enables patients to perform dialysis treatments at home by providing a self-contained system that uses readily available tap water and a compact sorbent cartridge, eliminating the need for clinic-based treatment and specialized plumbing infrastructure
Solution Approach 2:
The recycling of dialysis solution through the sorbent cartridge enables home-based treatment by eliminating the need for large volumes of fresh water and complex plumbing, allowing patients to maintain autonomy and quality of life
3Quantity of substance
If dialysis solution is regenerated using a sorbent cartridge, then water volume requirements are reduced, but sodium concentration control becomes critical to maintain physiological ranges
Solution Approach 1:
The patent incorporates a sodium control system that monitors and adjusts sodium concentration in the dialysis solution to maintain physiological ranges, providing feedback control to ensure patient safety during home-based treatment
Solution Approach 2:
The patent controls the concentration of sodium and other electrolytes in the regenerated dialysis solution by adjusting parameters during the regeneration process, ensuring that physiological ranges are maintained despite the recycling of solution
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
Enables home-based dialysis with reduced water and equipment requirements, maintaining sodium levels within desired ranges, thereby enhancing patient autonomy and comfort.
Implementation Method 1
a sorbent cartridge having five layers through which dialysis solution containing uremic waste metabolites flows in order to be regenerated
Implementation Method 2
removing one or more substances from spent dialysis solution by passing the spent dialysis solution through a device
Implementation Method 3
The sodium control system can include a container that contains the diluent, and the sodium control system further includes a pump arranged to move the diluent from the container to the fluid line
Implementation Method 4
The sodium control system is adapted to introduce a diluent and sodium into the fluid line
Data Source
AI summary
This disclosure generally relates to dialysis systems and related methods. In one aspect of the invention, a dialysis system includes a device configured so that a medical fluid can pass therethrough, and the device is adapted to remove one or more substances from the medical fluid as the medical fluid passes through the device. The dialysis system can also include a sodium control system adapted to alter a sodium concentration of the medical fluid.