Layered storage device and liquid nitrogen storage tank
A storage device and layered technology, applied in the field of medical devices, can solve the problems of heating up biological tissue specimens, wasting liquid nitrogen, and small storage capacity
Pending Publication Date: 2020-01-10
GUANGZHOU WOMEN AND CHILDRENS MEDICAL CENTER
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Problems solved by technology
Traditional storage units are divided into square grid baskets and round buckets. Square grid baskets have a large storage capacity, but each time the biological tissue specimens in the basket are taken out, the entire basket needs to be taken out of the liquid nitrogen storage tank, not only Waste of liquid nitrogen, and also cause the temperature of the biological tissue specimens in the whole basket to rise, which will affect the risk of freezing effect
In addition, most of the buckets in the liquid nitrogen storage tank have a single-layer structure, and the risk of temperature rise of biological tissue samples is small, but the space utilization rate of the liquid nitrogen storage tank is low and the storage capacity is small
Method used
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[0027] In order to make the above objects, features and advantages of the present invention more comprehensible, specific implementations of the present invention will be described in detail below in conjunction with the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. However, the present invention can be implemented in many other ways different from those described here, and those skilled in the art can make similar improvements without departing from the connotation of the present invention, so the present invention is not limited by the specific implementations disclosed below.
[0028] It should be noted that when an element is referred to as being “fixed” to another element, it can be directly on the other element or there can also be an intervening element. When an element is referred to as being "connected to" another element, it can be directly connected ...
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The invention relates to a layered storage device and a liquid nitrogen storage tank. The layered storage device comprises storage units and handles. The storage units are sequentially arranged from top to bottom. Each handle comprises a lifting rod and a hook arranged on the lifting rod, and the hooks are used for being hung on the liquid nitrogen storage tank. The multiple handles are arranged.The lifting rod of each handle is correspondingly connected with one storage unit. The storage units are arranged in sequence from top to bottom, and each storage unit is correspondingly connected with one handle. If the biological tissue specimen in one storage unit needs to be used, the required storage unit can be separately taken out, and the rest of the storage units do not need to be taken out, so that the situation that the freezing effect is influenced by the fact that the biological tissue specimen in the remaining storage units is in contact with the outside can be avoided. In addition, the storage units are sequentially arranged from top to bottom, the height space of the liquid nitrogen storage tank can be fully utilized, the space utilization rate of the liquid nitrogen storage tank is increased, and the storage capacity of the liquid nitrogen storage tank is increased.
Description
technical field [0001] The invention relates to the technical field of medical devices, in particular to a layered storage device and a liquid nitrogen storage tank. Background technique [0002] Liquid nitrogen is a liquid formed by nitrogen gas at low temperature. Its temperature is extremely low and can be used as a refrigerant for long-term preservation of biological tissue samples to prevent damage to biological tissue samples. In order to improve the safety and stability of biological tissue specimen storage, biological tissue specimens are usually stored in liquid nitrogen storage tanks for low temperature preservation. Inside. Traditional storage units are divided into square grid baskets and round buckets. Square grid baskets have a large storage capacity, but each time the biological tissue specimens in the basket are taken out, the entire basket needs to be taken out of the liquid nitrogen storage tank, not only Liquid nitrogen is wasted, and it will also cause ...
Claims
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Patent Timeline
Login to View More IPC IPC(8): B65D77/04B65D81/18B65D81/24F25D3/10B65D81/20
CPCB65D77/0453B65D81/18B65D81/2015B65D81/24B65D2577/045F25D3/10
Inventor 马才启马婧宁
Owner GUANGZHOU WOMEN AND CHILDRENS MEDICAL CENTER