Freezing section embedding mold

Abstract

The utility model relates to the technical field of specimen processing equipment, in particular to a frozen section embedding mold, which comprises a mold body and an embedding groove body arranged on the surface of the mold, the top surface of the embedding groove body is open, the embedding groove body comprises a bottom wall and a side wall, a cross-shaped first positioning groove is arranged in the center of the bottom wall, and a cross-shaped second positioning groove is arranged in the side wall. A second positioning groove which is concave outwards is formed in the middle point of the edge of the side wall, the section of the second positioning groove in the horizontal direction is an isosceles triangle, and the bottom edge of the isosceles triangle coincides with the edge of the side wall. The cross-shaped embedding block has the beneficial effects that the to-be-cut surface of the obtained embedding block is cross-shaped, and the cutting surface of the cutter can be adjusted to be parallel to the embedding block according to the cross-shaped cutting condition in the slicing process, so that the phenomena of non-uniform thickness and slice curling are avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to specimen processing equipment technical field especially relates to a frozen section embedding mould. BACKGROUND

[0002] The frozen section is a kind of method using physical cooling, fresh tissue specimen is rapidly cooled to certain hardness and sectioned.The frozen section does not need dehydration, transparency, impregnation, etc., compared with paraffin section, therefore, the frozen section has the characteristics of rapidity and simplicity, and is mainly used in rapid pathological diagnosis in surgery, and has the advantage that traditional means such as paraffin section cannot be replaced.In the process of embedding the frozen section, the tissue block is placed on the frozen sample holder, and then the frozen embedding agent OCT glue is added, and the tissue is placed on the frozen sample holder, and then the frozen embedding agent OCT glue is continuously added to cover the tissue, so as to embed the tissue to be cut.

[0003] The utility model discloses a kind of frozen section embedding moulds of Chinese utility model patent No.201920900437.9, including bottom wall, side wall, first cavity, second cavity, third cavity and fourth cavity.It is used, and frozen embedding agent OCT glue presents fixed shape embedding block in the process of condensation, to prevent tissue displacement in embedding block and frozen embedding agent OCT glue flow everywhere;It is favorable to improve the time efficiency of pathological diagnosis in surgery.But the frozen section embedding mould of the above still has some problems, in embedding process, after frozen embedding agent OCT glue solidifies, often form irregular embedding block of opaque, fixed shape.This leads to in sectioning process, doctor is difficult to accurately observe the position and direction of tissue block, and the relative position of embedding block and cutting knife cannot be determined, so as to increase the difficulty and uncertainty of sectioning. UTILITY MODEL CONTENT

[0004] The utility model solves the technical problems that: provide a kind of frozen section embedding mould, embedding block is accurately positioned in sectioning process, and sectioning does not curl.

[0005] In order to solve the above technical problems, the technical scheme adopted by the utility model is as follows: a frozen section embedding mould is provided, which comprises a mould body and an embedding groove body arranged on the surface of the mould body, the embedding groove body is open at the top surface, the embedding groove body comprises a bottom wall and a side wall, a first positioning groove in the shape of a cross is arranged at the center of the bottom wall, a second positioning groove recessed outward is arranged at the midpoint of the edge of the side wall, the horizontal cross section of the second positioning groove is an isosceles triangle, and the base of the isosceles triangle coincides with the edge of the side wall.

[0006] Further, the side wall of the second positioning groove is provided with an outwardly recessed identification groove at the edge center of the opposite side wall.

[0007] Further, the bottom surface of the identification groove is provided with an identification-shaped recess.

[0008] Further, the bottom wall is further provided with a third positioning groove.

[0009] Further, the mold body is provided with four embedding grooves, namely a first embedding groove, a second embedding groove, a third embedding groove and a fourth embedding groove, and the horizontal section of the embedding groove is a rectangle.

[0010] The surface area of the first embedding groove, the second embedding groove, the third embedding groove and the fourth embedding groove is 18mm*18mm or 24mm*(24-50)mm, and the depth of the first embedding groove, the second embedding groove, the third embedding groove and the fourth embedding groove is 4mm or 9mm.

[0011] Further, the side wall is provided around the bottom wall at a draft angle of 10°-15° with respect to the vertical projection plane, the cross section of the embedding groove is a rounded rectangle, and the longitudinal section is an inverted isosceles trapezoid.

[0012] Further, the bottom wall and the side wall are made of aluminum alloy or pure silver or pure copper.

[0013] Further, the top of the side wall is provided with a non-slip pad, the non-slip pad is made of low-temperature-resistant silicone rubber, and the surface of the non-slip pad is provided with non-slip points.

[0014] The beneficial effects of the present application are that when the frozen section embedding mold is used, the frozen embedding agent OCT glue presents a fixed shape embedding block in the condensation process, so as to prevent the displacement of the embedding block and the flow of the frozen embedding agent OCT glue, the side wall edge of the formed tissue sample embedding block has a triangular positioning mark, which can be used for "centering", so that the obtained embedding block can be properly positioned when cutting. Further, the surface to be cut of the obtained embedding block is a "cross", and in the slicing process, according to the cutting condition of the "cross", the cutting surface of the cutter can be adjusted to be parallel to the embedding block, so as to avoid the phenomenon of uneven thickness and slicing curling. The embedding mold has high practical value and application prospect, and can effectively solve the problems existing in the traditional frozen section embedding method, improve the quality of the section and the accuracy of the pathological diagnosis, and also provide more convenient and efficient operation experience for surgeons.BRIEF DESCRIPTION OF DRAWINGS BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 Figure 1 is a structural schematic diagram of a frozen section embedding mold according to the present application;

[0016] Label explanation:

[0017] 1, mold body; 2, embedding groove body; 3, first positioning groove; 4, second positioning groove; 5, third positioning groove; 6, identification groove. DETAILED DESCRIPTION

[0018] In order to explain the technical content, the purpose and effect of the present application in detail, the following will be explained in combination with the embodiments and the drawings.

[0019] Please refer to Figure 1 A frozen section embedding mold, comprising a mold body 1 and an embedding groove body 2 arranged on the surface of the mold, the top surface of the embedding groove body 2 is open, the embedding groove body 2 comprises a bottom wall and a side wall, the center of the bottom wall is provided with a "cross" shaped first positioning groove 3, the midpoint of the edge of the side wall is provided with an outwardly recessed second positioning groove 4, the horizontal cross section of the second positioning groove 4 is an isosceles triangle, and the base of the isosceles triangle coincides with the edge of the side wall.

[0020] As can be seen from the above description, when using the frozen section embedding mold of the present application, the frozen embedding agent OCT glue presents a fixed shape embedding block in the condensation process, so as to prevent the displacement of the tissue in the embedding block and the flow of the frozen embedding agent OCT glue everywhere, the side wall edge of the formed tissue sample has a triangular positioning mark, which can be used for "centering", and the obtained embedding block is adjusted when cutting. The surface to be cut is "cross" shaped, and during the slicing process, the cutting surface of the cutter can be adjusted to be parallel to the embedding block according to the cutting condition of the "cross" shape. The phenomenon of uneven thickness and curling of the section is avoided.

[0021] Further, in the above-mentioned frozen section embedding mold, the center of the edge of the side wall opposite to the side wall provided with the second positioning groove 4 is provided with an outwardly recessed identification groove 6.

[0022] As can be seen from the above description, the identification groove 6 can be used to accommodate the overflowed OCT glue, so as to avoid the flow of the OCT glue everywhere.

[0023] Further, in the above-mentioned frozen section embedding mold, the bottom surface of the identification groove 6 is provided with an identification shape recess.

[0024] As can be seen from the above description, the bottom surface of the identification groove 6 is also provided with an identification shape recess, which can form 1, 2, 3, 4 and the like serial number identification, further improving the convenience and accuracy of operation.

[0025] Further, in the above-mentioned frozen section embedding mold, a third positioning groove 5 is further arranged on the bottom wall of the first positioning groove 3.

[0026] As can be seen from the above description, the third positioning groove 5 is used to determine whether the left and right of the frozen section are placed correctly, thereby improving the precision of operation.

[0027] Further, in the above-mentioned frozen section embedding mold, four embedding groove bodies 2 are arranged on the mold body 1, which are respectively a first embedding groove body, a second embedding groove body, a third embedding groove body and a fourth embedding groove body, and the horizontal section of the embedding groove is a rectangle.

[0028] The surface area of the first embedding groove body, the second embedding groove body, the third embedding groove body and the fourth embedding groove body is 18mm*18mm or 24mm*(24-50)mm, and the depth of the first embedding groove body, the second embedding groove body, the third embedding groove body and the fourth embedding groove body is 4mm or 9mm.

[0029] As can be seen from the above description, the embedding mold is provided with a plurality of embedding groove bodies of different sizes, and the appropriate embedding groove can be selected according to the size of the tissue to make the sample, which is convenient to operate, improves the production quality of the tissue section sample, and is conducive to the development of automatic instruments in the later stage, thereby achieving the purpose of reducing manual work.

[0030] Further, in the above-mentioned frozen section embedding mold, the side wall is arranged around the bottom wall at a draft angle of 10°-15° relative to the vertical projection plane, the cross section of the embedding groove body 2 is a rounded rectangle, and the longitudinal section is an inverted isosceles trapezoid.

[0031] As can be seen from the above description, the mold is more easily pulled out by the operator through the setting of the draft angle. The cross section is a rounded rectangle, and the longitudinal section is an inverted isosceles trapezoid. This design can fix the tissue block and OCT glue, reduce the curling phenomenon of the section, and improve the quality of the section.

[0032] Further, in the above-mentioned frozen section embedding mold, the material of the bottom wall and the side wall is aluminum alloy or pure silver or pure copper.

[0033] As can be seen from the above description, the bottom wall and the side wall are made of aluminum alloy, which has good durability and heat conductivity, can effectively maintain the frozen state of the sample, and is easy to clean and maintain.

[0034] Further, in the above-mentioned frozen section embedding mold, the top of the side wall is provided with an anti-skid pad, the material of the anti-skid pad is low-temperature-resistant silicone rubber, and the surface of the anti-skid pad is provided with anti-skid points.

[0035] As described above, the anti-slip pad increases the friction of the frozen embedding mold, preventing frostbite to hands and slippage of the embedding mold under low-temperature conditions.

[0036] Example 1:

[0037] like Figure 1 As shown, a frozen section embedding mold of this embodiment includes a mold body 1 and an embedding groove 2 disposed on the surface of the mold.

[0038] The mold body 1 is provided with four embedding grooves 2, namely: the first embedding groove, the second embedding groove, the third embedding groove and the fourth embedding groove, and the cross section of the embedding groove in the horizontal direction is rectangular.

[0039] The first, second, third, and fourth embedding grooves have a surface area of ​​18mm*18mm or 24mm*(24~50)mm, and a depth of 4mm or 9mm. The sidewalls are positioned around the bottom wall at a draft angle of 10°-15° relative to the vertical projection plane. The cross-section of each embedding groove is a rounded rectangle, and the longitudinal section is an inverted isosceles trapezoid.

[0040] The embedding groove has an opening on its top surface. The embedding groove includes a bottom wall and side walls. A cross-shaped first positioning groove 3 is provided at the center of the bottom wall. A second positioning groove 4, recessed outwards, is provided at the midpoint of the edge of the side wall. The horizontal cross-section of the second positioning groove 4 is an isosceles triangle, with the base of the isosceles triangle coinciding with the edge of the side wall. A third positioning groove 5 is also provided on the bottom wall with the first positioning groove 3.

[0041] The sidewall opposite to the sidewall with the second positioning groove 4 has an outwardly recessed marking groove 6 at its center. The bottom surface of the marking groove 6 has a marking-shaped recess.

[0042] In summary, when using the frozen section embedding mold of this invention, the OCT gel, the cryoembedding agent, forms a fixed-shape embedding block during the solidification process, preventing tissue displacement and the OCT gel from flowing around. The sidewalls of the formed tissue sample embedding block have triangular positioning marks, which can be used for centering, ensuring the embedded block is aligned correctly during cutting. Furthermore, the surface to be cut on the resulting embedding block is cross-shaped. During the sectioning process, the cutting surface of the cutter can be adjusted to be parallel to the cutting surface of the embedding block, avoiding uneven thickness and section curling. The design of the embedding groove, with a rounded rectangular cross-section and an inverted isosceles trapezoidal longitudinal section, also helps reduce section curling and improves operational efficiency.

[0043] The utility model discloses the design and flexible selection's characteristics of many embedding grooves make user can select the embedding groove specification and depth of suitable according to the experimental demand, and the convenient operation and the flexibility of experiment of improvement have further enhanced the operation's accuracy and stability of setting the location mark, and provided more convenient, efficient operation experience for the user.

[0044] The above is only the embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent transformation, direct or indirect application in the related technical field using the utility model specification and the attached drawing contents are all included in the patent protection range of the utility model.

Claims

1. A cryostat section embedding mold, characterized by, The mold body comprises a mold body and an embedding groove arranged on the surface of the mold, the top surface of the embedding groove is open, the embedding groove comprises a bottom wall and a side wall, the center of the bottom wall is provided with a first positioning recess in the shape of a "cross", the midpoint of the edge of the side wall is provided with a second positioning recess recessed outward, the horizontal cross-section of the second positioning recess is an isosceles triangle, and the base of the isosceles triangle coincides with the edge of the side wall.

2. The cryosection embedding mold of claim 1, wherein, The center of the edge of the opposite side wall of the side wall provided with the second positioning recess is provided with an outwardly recessed identification recess.

3. The cryosection embedding mold of claim 2, wherein, The bottom surface of the identification recess is provided with an identification-shaped recess.

4. The cryosection embedding mold of claim 1, wherein, The bottom wall is further provided with a third positioning recess.

5. The cryosection embedding mold of claim 1, wherein, The mold body is provided with four embedding grooves, namely a first embedding groove, a second embedding groove, a third embedding groove and a fourth embedding groove, and the horizontal cross-section of the embedding groove is a rectangle. The surface area of the first embedding groove, the second embedding groove, the third embedding groove and the fourth embedding groove is 18mm*18mm or 24mm*(24-50)mm, and the depth of the first embedding groove, the second embedding groove, the third embedding groove and the fourth embedding groove is 4mm or 9mm.

6. The cryosection embedding mold of claim 5, wherein, The side wall is arranged around the bottom wall at a draft angle of 10-15° relative to the vertical projection plane, the cross-section of the embedding groove is a rounded rectangle, and the longitudinal cross-section is an inverted isosceles trapezoid.

7. The cryosection embedding mold of claim 1, wherein, The material of the bottom wall and the side wall is aluminum alloy or pure silver or pure copper.

8. The cryosectioning embedding mold of claim 1, wherein, The top of the side wall is provided with a non-slip pad, the material of the non-slip pad is low-temperature-resistant silicone rubber, and the surface of the non-slip pad is provided with non-slip points.

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