Storage systems and methods for medicines
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Solution Overview
Problem
Patients face challenges in maintaining injectable medicines like epinephrine and insulin at the required temperature, as outdoor temperatures often exceed the recommended storage range, leading to inconvenience and potential health risks due to the bulkiness and power requirements of existing temperature control solutions.
Innovation Solution
Development of portable storage systems incorporating a thermal bank with phase change materials and an insulated cover, which can maintain a temperature range of 50°F to 90°F without electrical power, using a vacuum flask or foam insulation to protect medicines from extreme environments.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If refrigerators are used to store medicines at suitable temperatures, then temperature control is improved, but device portability and ease of operation deteriorate due to power requirements and bulkiness
Solution Approach 1:
The invention extracts the active cooling function from a full refrigerator system, isolating only the essential temperature maintenance capability into a portable container format. This allows the medicine storage function to be separated from the bulky, power-dependent refrigerator body, achieving portability while maintaining temperature control.
Solution Approach 2:
The thermal bank is pre-charged with cooling capacity before use, allowing the container to maintain medicine temperature without requiring power during actual storage. The cooling action is performed in advance (charging the thermal bank), enabling subsequent portable use without electrical connection.
2Temperature
If refrigerators are used to store medicines, then temperature control is improved, but device complexity and weight increase due to power supply requirements
Solution Approach 1:
The invention removes the power supply system, compressor, and control electronics from the medicine storage device, retaining only the passive thermal insulation and pre-charged thermal bank components. This extraction of active cooling mechanisms dramatically reduces weight while preserving essential temperature maintenance capability.
Solution Approach 2:
The thermal bank provides self-contained cooling capacity that requires no external power source. The system serves itself by utilizing the phase change materials' inherent thermal properties to maintain temperature, eliminating the need for heavy batteries, motors, and control systems.
3Temperature
If bulky insulation systems are used to protect medicines from extreme temperatures, then temperature protection is improved, but ease of operation deteriorates due to inconvenience of carrying
Solution Approach 1:
The invention employs thin, flexible insulation layers and a compact container design that can be easily carried. The insulation is optimized to provide adequate thermal protection in a thin profile, allowing the container to be portable while still protecting medicines from extreme outdoor temperatures.
Solution Approach 2:
The thermal bank is pre-charged with cooling capacity before use, allowing the compact container to maintain medicine temperature without requiring bulky active cooling systems. This preliminary charging enables the insulation to be thin and lightweight while still providing adequate temperature protection during transport.
4Temperature
If refrigerators are used for medicine storage, then temperature control is improved, but loss of time increases due to frequent plugging and power management
Solution Approach 1:
The thermal bank automatically maintains temperature through phase change materials without requiring user intervention for power management. The system self-regulates temperature by utilizing the latent heat of phase change, eliminating the need for plugging/unplugging or battery replacement operations.
Solution Approach 2:
The thermal bank is pre-charged with cooling capacity before use, storing sufficient thermal energy to maintain medicine temperature throughout the intended usage period. This preliminary charging eliminates the need for ongoing power management during storage, saving user time.
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
The solution provides a compact, lightweight, and power-independent method to maintain medicines within a safe temperature range, ensuring their efficacy and convenience for patients to carry them outdoors, thereby reducing the risk of temperature-induced damage and medical emergencies.
Implementation Method 1
The thermal bank can include phase change materials
Implementation Method 2
The thermal bank can include phase change materials
Implementation Method 3
using a vacuum flask or foam insulation to protect medicines from extreme environments
Data Source
AI summary
Some people need to carry their medicines with them wherever they go. However, people can damage their medicines by leaving them outside in hot or cold weather. Specially designed systems can help increase safety by notifying people if their medicine is left behind or is getting too hot or cold.