ISBM PD Solution Containers with Pop-Up Valve for Recycling
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Solution Overview
Problem
Current Peritoneal Dialysis (PD) therapy systems consist of components made from different polymer materials, complicating logistics and recycling, and require improved compatibility and recyclability.
Innovation Solution
A system comprising an injection stretch blow molded (ISBM) solution container with a pop-up outlet valve and a dual chamber design, made from polyolefin materials, allowing for simplified recycling and reduced plastic footprint.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If components are made from different polymer materials, then functional performance is achieved, but logistics and recycling become complicated
Solution Approach 1:
The patent applies homogeneity by making the solution container, coil conduit, and drain bag from the same polyolefin material (polyethylene or polypropylene). This uniform material composition simplifies logistics handling and enables straightforward recycling processes, while still achieving the required functional performance through proper material selection and design.
2Reliability
If multiple different materials are used for container, ports, and tubing, then compatibility and performance are improved, but recycling difficulty increases
Solution Approach 1:
The patent makes all major components (solution container, coil conduit, drain bag) from the same polyolefin material family, eliminating material incompatibility issues while maintaining functional performance. This homogenization dramatically simplifies recycling operations as single-material streams are much easier to process than multi-material composites.
Solution Approach 2:
The patent employs disposable single-use components made from inexpensive polyolefin materials. These components are designed for single-use then disposal, eliminating the need for complex sterilization and reprocessing. The uniform polyolefin construction ensures that even when disposed, recycling remains simple and cost-effective.
3Productivity
If traditional manufacturing methods are used, then production experience is maintained, but manufacturing costs and plastic footprint increase
Solution Approach 1:
The patent combines multiple components (solution container, coil conduit, drain bag) into a single integrated polyolefin material system. This merging eliminates the need for separate material sourcing, inventory management, and assembly processes for different materials, reducing manufacturing complexity and costs while decreasing overall plastic footprint through material efficiency.
Data Source
AI summary
Peritoneal dialysis (PD) containers having an injection stretch blow molded container body, an injection site, and a pop-up outlet valve are provided. The PD containers may be included in a PD therapy system which also includes a coil conduit, patient connector and drain bag. All of these components are made from polyolefin materials. In an alternate embodiment, a two piece outlet delivery device comprising an outlet base insert and a peelable tube may be used in place of the outlet pop-up valve. Kits for the PD therapy systems are also provided.