The "low-temperature tolerance" of drainage bags: How to maintain stable performance during cold chain transportation

In order for drainage bags to maintain stable performance during cold chain transportation, it is necessary to focus on their material selection, structural design and usage specifications. The following is a specific analysis:

1. Material selection

Drainage bags are generally made of polymer materials that meet medical requirements (such as PE/polyethylene). This material has a certain degree of flexibility and low temperature resistance, and can resist the influence of low temperature environments to a certain extent, avoiding rupture due to brittleness of the material.

2. Structural design

1. Support structure: The drainage bag body can be designed as a structure including an upper plate, a lower plate and a transparent film layer. The upper plate and the lower plate are made of hard plastic to achieve a supporting function, prevent the drainage bag body from being deformed after being squeezed, and maintain the integrity of the bag body even if it is squeezed by a certain external force during cold chain transportation.

2. Leak-proof design: The drainage tube and the discharge tube on the drainage bag body are equipped with a switch valve to effectively prevent liquid leakage. In cold chain transportation, due to the low temperature, the liquid may become more viscous or solidify. The design of the switch valve can ensure that the drainage bag will not leak due to changes in the liquid state during transportation.

3. Transparent observation: The front bag surface and the back bag surface are both transparent materials, and there are scale lines on them, which are convenient for medical staff to observe the color, amount and properties of the drainage fluid. Even in a low temperature environment, the transparent material can maintain good clarity, which is convenient for real-time monitoring.

III. Usage Specifications

1. Fixing method: A notch and a hidden buckle can be set on the drainage bag body, and it can be installed on the guardrail of the bed through the notch, and stably connected through the hidden buckle. During cold chain transportation, the drainage bag can be fixed in a suitable position in the transport container to avoid damage due to shaking.

2. Regular inspection: During cold chain transportation, the drainage bag should be regularly checked for leakage and firm connection. If the drainage bag is found to be damaged or leaking, it should be replaced in time.