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Vitrification freezing carrier system

A vitrification freezing and carrier system technology, applied in the field of carrier systems, can solve problems such as inconvenience in operation, and achieve the effects of saving floor space, increasing ease of use, and reducing space

Inactive Publication Date: 2015-05-27
ZHEJIANG CELLPRO BIOTECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] On the other hand, because the current rod rack is made of aluminum alloy, during the freezing or thawing operation, the label part will be exposed to liquid nitrogen for a certain period of time, which will condense and freeze the water vapor in the air, cover the label, and cause operational failure. inconvenient

Method used

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  • Vitrification freezing carrier system

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0051] The vitrification carrier system provided in this embodiment includes a freezing rod 1, a freezing rod sleeve 2 and an extension sleeve 3, wherein the outer diameter of the freezing rod sleeve 2 is increased to directly serve as a protective tube.

[0052] The freezing rod 1 comprises a rod body, the rod body is composed of a lower extension 11 and an upper handle 12, and the lower end of the extension 11 is connected with a frozen storage sheet 13, which is a strip-shaped small piece whose transverse direction is a circle Arc-concave, for example, it can be a long strip-shaped piece formed by regularly cutting the side wall of a thin-walled transparent or translucent plastic tube in the longitudinal direction;

[0053] The freezing rod casing 2 is a hollow structure with a closed top, and an opening connecting the hollow structure with the external environment is provided at the upper end; Inside the hollow structure, a loading unit is formed.

[0054] The outer diame...

Embodiment 2

[0062] The vitrification carrier system provided in this embodiment includes a freezing rod 1, a freezing rod casing 2, an extension sleeve 3 and a protective tube 4.

[0063] The freezing rod 1 comprises a rod body, the rod body is composed of a lower extension part 11 and an upper handle part 12, and the lower end of the extension part 11 is connected with a cryopreservation sheet 13;

[0064] The freezing rod casing 2 is a hollow structure with a closed top, and an opening connecting the hollow structure with the external environment is provided at the upper end; Inside the hollow structure, a loading unit is formed.

[0065] The outer diameter of the extension 11 is smaller than the outer diameter of the handle 12 , and the distance between the outer surface of the extension 11 at the handle 12 and the outer surface of the handle 12 is equal to the wall thickness of the opening of the freezing rod sleeve 2 .

[0066] At least one or both of the outer surface of the extens...

Embodiment 3

[0072] The difference between this embodiment and Embodiment 2 is that: the protection cylinder 4 is provided with a transverse partition 42, which divides the protection cylinder into multiple sections, and each section forms a protection unit. The lower end is narrowed, inserted into the protective tube 4 from the top opening of the protective tube 4, and the side wall is provided with a window 43 that can put the loading unit in and out; the side wall of each other protection unit 402 is provided with a window 43.

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Abstract

The invention provides an embryo vitrification freezing carrier system, which includes a freezing unit. The freezing unit includes a freezing rod and a freezing rod casing pipe. The freezing rod comprises a rod body, the rod body includes a lower extension part and an upper handle part, and the lower end of the extension part is connected to a cryopreservation sheet. The freezing rod casing pipe is a hollow structure, and at least the upper end is provided with an opening for communicating the hollow structure with the external environment. The extension part of the freezing rod is inserted into the hollow structure of the freezing rod casing pipe to form a loading unit. The outer diameter of the extension part is smaller than the outer diameter of the handle part. The outer diameter of the freezing rod casing pipe compose the largest outer diameter of the loading unit. The system provided by the invention exponentially reduces the space occupied by trace biological samples freezing on the basis of not influencing or even increasing the use convenience, greatly saves the floor space needed by freezing storage, and is especially suitable for cryopreservation of trace biomaterials like vitrified frozen embryos, etc.

Description

technical field [0001] The invention relates to a carrier system for cryopreservation of biological materials, in particular to a vitrification carrier system used for vitrification of human embryos or eggs in the field of assisted reproductive medicine. Background technique [0002] At present, there are many known embryo vitrification carriers, among which open cryopreservation, that is, the cryopreservation of embryos in direct contact with liquid nitrogen, is the best form of embryo vitrification because of the rapid cooling. The carrier usually used is in the form of a freezing rod with a cryopreservation loading sheet (referred to as a cryopreservation sheet) at the front end, and its operation is simple, fast and efficient. [0003] However, the current storage space utilization of embryo vitrification rods and their corresponding loading systems is inefficient. The reason for this is that it includes the loading rod (with a cryopreservation piece at one end), the lo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N1/02
Inventor 吕祁峰匡延平
Owner ZHEJIANG CELLPRO BIOTECH
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