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Superconducting deep cryogenic freezing cutter head system

A technology of deep low temperature and cutter head, which is applied in the field of low temperature cryotherapy equipment, can solve the problems of single refrigeration method and lower work efficiency, and achieve the effect of improving freezing speed and freezing efficiency

Pending Publication Date: 2019-04-05
湖南爱芷生医疗科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This method not only has a single refrigeration method, but also the accumulated nitrogen after heat exchange will affect the subsequent heat exchange of liquid nitrogen, further reducing the working efficiency

Method used

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  • Superconducting deep cryogenic freezing cutter head system
  • Superconducting deep cryogenic freezing cutter head system
  • Superconducting deep cryogenic freezing cutter head system

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Embodiment Construction

[0024] The embodiments of the present invention will be described in detail below. The examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals indicate the same or similar elements or elements with the same or similar functions.

[0025] In the description of the present invention, it should be noted that for orientation words, if there are the terms "center", "horizontal (X)", "longitudinal (Y)", "vertical (Z)", "length", " "Width", "Thickness", "Top", "Bottom", "Front", "Back", "Left", "Right", "Vertical", "Horizontal", "Top", "Bottom", "Inner" "," "outside", "clockwise", "counterclockwise" and other indicating orientations and positional relationships are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying The device or element referred to must have a specific...

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Abstract

The invention discloses a superconducting deep cryogenic freezing cutter head system, and relates to the technical field of cryogenic freezing treatment equipment. The superconducting deep cryogenic freezing cutter head system comprises a shell, the bottom surface of the shell is a working surface, and the superconducting deep cryogenic freezing cutter head system further comprises a conveying pipe, a liquid nitrogen nozzle, a connecting passage, a flow guiding column and a plurality of evaporation blades; one end of the conveying pipe is connected to an external high-pressure liquid nitrogenstorage device, and the other end of the conveying pipe penetrates into the shell and then is connected with the liquid nitrogen nozzle for introducing external high-pressure liquid nitrogen into theshell; the flow guiding column is vertically disposed on the inner bottom wall of the shell, the upper end of the flow guiding column is installed in the liquid nitrogen nozzle in an inserted mode, and the flow guiding column is used for guiding the liquid nitrogen sprayed from the liquid nitrogen nozzle to the evaporation blades; the evaporation blades are arranged around the flow guiding column,the bottoms of the evaporation blades are connected with the inner bottom wall of the shell, and the evaporation blades are used for performing heat exchange between the liquid nitrogen and the working surface; and one end of the connecting passage is connected with the shell, the other end of the connecting passage is connected with an external negative pressure pump, and the connecting passageis used for discharging nitrogen gas generated after heat exchange in the shell.

Description

Technical field [0001] The invention relates to the technical field of cryogenic cryotherapy equipment, in particular to a superconducting cryogenic cryo-cutter head system. Background technique [0002] In medical cryopreservation equipment, especially tumor cryopreservation equipment, the refrigeration speed of cryo-knives is particularly important. Quick freezing and slow thawing determine whether tumor cells are frozen and necrotic. [0003] Traditional cryotherapy usually uses a single pressure-conduction refrigeration method, that is, high-pressure liquid nitrogen is directly sprayed to the working surface to exchange heat on the working surface. This method not only has a single cooling method, but also the nitrogen accumulated after heat exchange will affect the subsequent heat exchange of liquid nitrogen, further reducing the work efficiency. Summary of the invention [0004] In view of the defects in the prior art, the purpose of the present invention is to provide a supe...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B18/02
CPCA61B18/02
Inventor 周晓喻建军聂少麟戴宗晴孙德超段凯仁郭兴耀
Owner 湖南爱芷生医疗科技有限公司
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