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Preparation method for bone specimen used in medical teaching

A technique for making specimens and medicine, applied in the field of making bone specimens for medical teaching, can solve the problems of damaged cancellous bone and bone density, incomplete removal of soft tissue, loss of color and integrity, etc., so as to reduce pollution and save production time. , the effect of enhanced wear resistance

Inactive Publication Date: 2017-11-21
JIAMUSI UNIVERSITY
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AI Technical Summary

Problems solved by technology

[0003] Preparation of specimens by boiling method often leads to incomplete removal of soft tissue, and the corpse is boiled several times in solutions containing sodium bicarbonate and alkaline water, resulting in damage to spongy bone and bone density, and changes in bone microstructure; transparent Commonly used transparent agents are potassium hydroxide or sodium hydroxide, which will easily make the specimen bones brittle and lose their proper color and integrity

Method used

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Examples

Experimental program
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Effect test

Embodiment 1

[0024] Combining the cooking method and the soil burial method to make bone specimens, the preparation method is as follows:

[0025] 1) Obtaining materials: select untreated corpses, dissect the bones, and carefully remove the soft tissues attached to the bones;

[0026] 2) Cooking: Put the treated bone tissue in a large pot, add water until it is higher than the bone surface, heat for 180 minutes, turn it once every 20 minutes, and always keep the water surface higher than the bone surface;

[0027] 3) Cleaning: Take out the boiled bone, put it in a cool place to room temperature, and remove the residual soft tissue attached to the bone;

[0028] 4) Soil burial: bury the treated bones in soil rich in Pythium fungi for 6 months, and keep the soil burial environment warm and humid all the time, so as to facilitate the survival of the Pythium fungi;

[0029] 5) Cleaning: After the bones buried in the soil are taken out, carefully wash them 3 times with washing powder, rinse th...

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Abstract

The invention provides a preparation method for a bone specimen used in medical teaching. The method comprises the following steps: collection and treatment; cooking; cleaning; burying with soil; cleaning; degreasing; bleaching; disinfection; and spraying of a colorless transparent crystal paint. The method is characterized in that a cooking method is combined with a soil burying method, so soft tissue removal is more thorough compared with the simple cooking method, a preparation period is shorter compared with the simple soil burying method, and the method only takes about 6 months and is thus reduced in preparation time; no damage is posed to compact bone substances and cancellous substances, and the fine structure of a bone does not change and is identical to the fine structure of a living body; and though paint treatment, the bone is isolated from air, so the bone specimen is not prone to mildew, reduces pollution and irritation to human beings and ensures the health of a user.

Description

technical field [0001] The invention relates to a method for preparing a specimen, in particular to a method for preparing a bone specimen for medical teaching. Background technique [0002] Bone specimens are frequently used in medical teaching and clinical practice, especially in anatomy teaching. Animal bones are strung into skeletons or prepared into organic transparent glass boxed specimens. It is a comprehensive teaching aid with a long history. It is more and more widely used in human and animal anatomy teaching and clinical teaching and library rooms of various surgical disciplines. The display and collection of specimens meets the needs of teaching and popular science education. This not only requires aesthetics and practicality, but also protects and preserves the fragile and fragile bones in the teaching process for a long time, especially the weak bone fragments on the skull, so as to reduce the loss and waste of bones. At present, the cooking method is mostly ...

Claims

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Application Information

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IPC IPC(8): A01N1/00
CPCA01N1/00
Inventor 王景涛苏瑾刘蕾周海瑞朱晓峰王柏欣徐辉关宝生王国辉邓范艳邱洪斌王培军朱金玲扈青云武冬梅
Owner JIAMUSI UNIVERSITY
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