Mold for preparing wax block used for embedding pathologic tissue

Abstract

The invention relates to a mold for preparing a wax block used for embedding pathologic tissue. The mold comprises a frame and a mold core, wax block grooves are formed in the upper surface of the mold core, guiding holes penetrating the mold core are arranged in the bottom centers of the wax block grooves respectively, each guiding hole is internally provided with a matched and vertically penetrated push rod, horizontal top plates are fixed to the upper ends of the push rods respectively, the lower portions of the push rods are sleeved by springs respectively, and castings extending vertically and upwardly are fixed to the centers of the upper surfaces of the top plates respectively. The prepared wax block is complete in the morphological structure and provided with a central hole, relatively small or thin tissue can be placed in the hole during use, and then liquid wax is filled into the hole to embed the tissue, the hole can limit the tissue movement and prevent the tissue from inclination, thus, the orientation of the tissue is fixed, and a user can obtain an ideal position during slicing, and mechanical damage on the tissue when the orientation of the tissue is adjusted by repeatedly clamping the tissue by tweezers can be effectively avoided.

Description

technical field [0001] The invention relates to the technical field of medical instruments, in particular to a mold for preparing small or thin pathological tissue embedding wax blocks. Background technique [0002] Histopathological examination is an examination method based on microsection preparation technology. Due to the soft texture of body tissues, it is difficult to perform efficient sectioning and obtain ultra-thin sections that meet the microscope examination, so some supporting embedding agents are required , Such as paraffin, etc. fill the tissue cell structure and then make slices. This kind of slice is called "paraffin slice". As far as paraffin embedding is concerned, the usual method is to pour molten paraffin into the embedding frame, use tweezers to pick up the tissue block that has been processed through the transparent and wax-immersion steps before the paraffin solidifies, put it into the molten paraffin, and use tweezers Adjust the direction of the tis...

AI Technical Summary

Problems solved by technology

[0003] First, when adjusting the embedding orientation of the tissue block, it is necessary to move the position or direction of the tissue block repeatedly, but paraffin wax solidifies quickly at room temperature, and the phenomenon that the wax liquid has solidified without adjusting the orientation of the tissue block, makes the section Can not cut to the ideal position; second, even if the direction can be adjusted before the paraffin solidifies, due to the lack of auxiliary support of the tissue block in the molten paraffin, it is easy to shift or fall before the wax liquid solidifies, especially some small tubes - Cavity tissue such as mouse bone, or sheet tissue such as chicken embryo vitelline membrane, etc.; third, when using tweezers to adjust the position or direction of the tissue block, it is necessary to repeatedly clamp the tissue, which will cause mechanical damage to the tissue and may cause Affect the follow-up observation and judgment of tissue lesions

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