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The plasticization process of the human specimen model

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The plasticization process of the human specimen model

release date:2021-12-28 author: Click:

The plasticization process of the human specimen model


storage


They are infused with 20% formalin and then placed in a formalin vacuum pack for at least 4 months before dissection or shipping. The role of formalin here is to fix and sterilize.


Anatomy


The perishable fatty substances in the muscle tissue of the corpse are removed one by one, and the nervous system, muscles and bones are exposed. It takes an average of 1500--2000 hours to clean up a human specimen.


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dehydration


The autopsy corpse is soaked in a box for dehydration. Before the bioplastination technology, the corpse has been soaked in formalin, so the formalin should be excluded in the low-temperature acetone immersion solution and replaced with acetone .


Slice stereotyping


In the frozen state, the carcass can be cut into 3.5-thick slices with a saw. People can distinguish damaged and normal organs through these slices. Such as the difference between smoking lung and normal lung, fatty liver and normal liver, etc. The corpses are frozen and sliced into various shapes. The staff used small clips, steel needles, needles, wood and other utensils to shape the dehydrated corpse bit by bit. At this time, the muscles of the human specimen were dry and astringent, with no elasticity, red blood vessels and muscle tissue. clear and distinct.


vacuum displacement


70% of the human body is liquid. Using the plastination technique, the liquid in the cadaver tissue can be replaced by active plastics such as silicone rubber, epoxy resin or polymer resin through a special vacuum process. The appearance still retains its pre-preservation state even when observed under a microscope. This process is mainly carried out in four steps: fixation, dehydration, forced infiltration, and hardening. The specimens replaced by acetone are placed in the chamber and fumigated with silicone rubber gas4 After a few months, under the action of catalyst and negative pressure, the acetone in it is slowly replaced by silicone, and finally becomes a finished specimen that is non-toxic, odorless, and can be preserved for a long time.

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相关标签:HumanSpecimenModel,HumanSpecimenModelCompany,HumanSpecimenModelManufacturer

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Address:Bridge No. 4, Leyu Town, Zhangjiagang City, Suzhou City

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