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Microstructure biological material directional cooling preparation device

A technology of biological materials and preparation devices, which is applied in the direction of household refrigeration devices, cooling fluid circulation devices, lighting and heating equipment, etc., can solve the problem that the cooling device cannot guide the cooling material cooling speed in a directional way, and achieve the adjustable cooling speed and cooling process , easy to control, increase the effect of conduction area

Active Publication Date: 2021-07-09
SICHUAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a directional cooling preparation device for microstructured biological materials, which solves the problem that the existing cooling device cannot conduct directional cooling and accurately control the cooling speed of materials

Method used

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  • Microstructure biological material directional cooling preparation device
  • Microstructure biological material directional cooling preparation device
  • Microstructure biological material directional cooling preparation device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] A preparation device for directional cooling of microstructured biological materials, comprising a cold source tank 1, the cold source can be liquid nitrogen, and the cold source tank 1 is provided with a placement cylinder 2, the placement cylinder 2 is a cavity structure with one end closed and one end open, for placing A part of the tube 2 can be fixed on the inner wall of the cold source tank 1 by welding, but the other part of the tube 2 is suspended in the cold source tank 1, and one end of the tube 2 extends to the cold source tank 1 At the opening of the placement cylinder 2, a cooling mechanism including the first cooling column 3 is fixed, the first cooling column 3 can be fixedly connected to the placement cylinder 2 by but not limited to welding, the first cooling column 3 One end extends to the outside of the cold source tank 1 and is inserted into the sealing member 4. The sealing member 4 is arranged at the opening of the cold source tank 1 and seals the c...

Embodiment 2

[0035]This embodiment is a continuous improvement on the basis of Embodiment 1. On the basis of the technical solution of the embodiment, the first temperature sensor 8 is provided at the end of the first cold guide column 3 outside the cold source tank 1, and the second guide column 3 is provided with a first temperature sensor 8. The outer wrapping of cold column 7 is provided with heating ring 9, and the side of heating ring 9 close to the second cooling column 7 is fixedly provided with heating temperature sensor 10, and heat preservation cover 6 is provided with the second temperature sensor 11 that penetrates, and the first temperature sensor 8. The second temperature sensor 11, the heating temperature sensor 10, and the heating ring 9 are electrically connected to the corresponding corresponding parts of the console 12 through the first temperature sensing line 13, the second temperature sensing line 14, the heating temperature sensing line 15, and the heating power line ...

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Abstract

The invention discloses a microstructure biological material directional cooling preparation device, and relates to the technical field of microstructure biological materials. The microstructure biological material directional cooling preparation device comprises a cold source tank, a placing cylinder is arranged in the cold source tank, a cold conduction mechanism is arranged in the placing cylinder, the cold conduction mechanism comprises a first cold conduction column, one end of the first cold conduction column extends to the outside of the cold source tank and is inserted into a sealing piece, the sealing piece seals the cold source tank and communicates with a material cavity, a sealed heat preservation cover is arranged at an outlet of the material cavity, a directional conduction structure for a cold source to transmit energy to the material cavity along the first cold conduction column is formed, the two ends of the first cold conduction column are located inside and outside the cold source tank correspondingly, and the part, located outside the cold source tank, of the first cold conduction column is provided with a material cavity capable of containing materials. The materials are in contact with the first cold conduction column, energy of a cold source is transmitted to the materials through directional guiding of the first cold conduction column, the conduction direction of the cold source is controlled, then the growth direction of ice crystals is controlled, the material preparation difficulty is reduced, the repeatability is high, the reproducibility is good, and the process is controllable.

Description

technical field [0001] The invention relates to the technical field of microstructure biomaterials, in particular to a directional cooling preparation device for microstructure biomaterials. Background technique [0002] Bone regeneration materials have always been one of the research hotspots of clinicians at home and abroad. The preparation of regular microstructure biomaterials is based on the frontier of bone tissue engineering development and has important bionic and application values. There are many ways to prepare them. For example, using existing Controlled cooling device, through the vacuum freeze-drying method, the solvent in the material is frozen at a low temperature, and the ice crystals in the material are directly sublimated under vacuum or low pressure to obtain a material with a certain microporous structure. The principle of this preparation method Simple, but the disadvantages are: (1) It cannot achieve directional cooling, that is, control the growth dir...

Claims

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Application Information

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IPC IPC(8): F25D3/10F25D23/00F25D29/00
CPCF25D3/10F25D23/00F25D29/00F25D2700/12
Inventor 于海洋王中熠谭欣
Owner SICHUAN UNIV
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