CN112161857B - Dehydration embedding box for human tissue specimen examination - Google Patents
Dehydration embedding box for human tissue specimen examination Download PDFInfo
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- CN112161857B CN112161857B CN202011112473.2A CN202011112473A CN112161857B CN 112161857 B CN112161857 B CN 112161857B CN 202011112473 A CN202011112473 A CN 202011112473A CN 112161857 B CN112161857 B CN 112161857B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/36—Embedding or analogous mounting of samples
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/42—Low-temperature sample treatment, e.g. cryofixation
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/36—Embedding or analogous mounting of samples
- G01N2001/366—Moulds; Demoulding
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Abstract
The invention relates to a dehydration embedding box for human tissue specimen examination, which structurally comprises an upper cover body, an upper pressing plate, a lower pressing plate, a spring, a box body and the like; wherein, the upper pressure plate comprises a top plate and a pressure rod; the lower pressing plate comprises a bottom plate and a side wall; the middle part of the upper cover body is provided with an inner through opening for bearing the upper pressure plate and the lower pressure plate, and the box body comprises a containing bin and a bearing plate. The invention realizes an integrated one-in-one operation processing mode of dehydrating and embedding the human tissue specimen, can avoid the transfer operation of the human tissue specimen between the dehydrating box and the embedding box and the cross contamination caused by the transfer operation, can also avoid the specimen deformation and section deformation caused by the incapability of shaping the human tissue specimen in the dehydrating and waxing processes, can ensure that the section of the human tissue specimen after being waxed is attached to the net steamed bread sheet at the bottom of the box and is smoothly exposed, has no condensation of redundant paraffin, does not need to be repaired, simplifies the operation flow of dehydrating and embedding, and improves the inspection accuracy.
Description
Technical Field
The invention relates to a human tissue specimen inspection tool, in particular to a dehydration embedding box for human tissue specimen inspection.
Background
In the existing inspection work of human tissue specimens, generally, material is taken from suspected pathological change parts of the human tissue specimens, then the material taking parts of the tissue specimens are put into a dehydration box, the tissue specimens are dehydrated by a dehydrator, after dehydration, a box cover of the dehydration box is opened, the tissue specimens are clamped by tweezers, the tissue specimens are put into a metal embedding box, the metal embedding box is covered by a dehydration box, the dehydration box and the metal embedding box are soaked in transparent liquid paraffin of 62 ℃ together for paraffin soaking treatment, the dehydrated tissue specimens are taken out and put on a freezing table, the paraffin is solidified, the metal embedding box is detached, the embedded tissue specimen wax block is solidified at the bottom of the dehydration box, after the redundant paraffin on two sides and the front end surface of the tissue specimen wax block is repaired, the plane of the tissue specimens is exposed, then the dehydration box and the tissue specimen wax block solidified on the dehydration box are installed on a slicer for slicing treatment, to produce test sections, and finally to perform pathological tissue staining and test diagnosis.
Present dehydration box and embedding box are two body structures of separation, after putting into the metal embedding box with human tissue sample, only utilize dehydration box buckle closure at the last mouthful of embedding box, and can not play the effect of pressing down the location to the tissue sample in the box, just so can not avoid human tissue sample tangent plane to take place to warp at dehydration and wax immersion in-process, lead to the unevenness phenomenon to appear in the tissue sample tangent plane, the dyeing specimen section that will make follow-up preparation is difficult for showing the cell form of pathological change, the accuracy that leads to the inspection reduces to some extent.
In addition, the human tissue specimen after the dehydration treatment needs to be clamped into the metal embedding box from the dehydration box, and cross contamination is possible in the specimen transferring process. After the human tissue specimens are embedded every time, the metal embedding box needs to be wiped clean to prevent the cross contamination of the tissue specimens. The metal embedding box is repeatedly used and cleaned, so that the box bottom is easy to deform. The use of the metal embedding box with the deformed box bottom makes it difficult to embed the tangent plane of the tissue specimen in the wax block flatly, so that the manufactured human tissue specimen wax block is difficult to cut out complete specimen slices.
Disclosure of Invention
The invention aims to provide a dehydration embedding box for human tissue specimen inspection, which solves the problem that inspection accuracy is influenced by factors such as deformation of a section of a human tissue specimen caused by incapability of positioning the human tissue specimen in the dehydration and wax immersion processes, cross contamination risks caused by clamping and transferring the human tissue specimen to different instruments in the dehydration and wax immersion processes, and the like.
The purpose of the invention is realized as follows: a dehydrating embedding box for human tissue specimen examination, comprising:
the upper pressure plate comprises a rectangular top plate and a pressure rod extending downwards along a group of opposite side edges of the top plate, and the lower end of the side vertical edge of the pressure rod is provided with a convex clamping angle for clamping;
the upper cover body is of a flat cuboid frame structure, the front end face of the upper cover body is an inclined plane with a convex front lower edge, the rear end face of the upper cover body is a vertical plane, the middle part of the upper cover body is provided with an inner through hole which is vertically penetrated and used for bearing an upper pressure plate and a lower pressure plate, a clamping edge used for clamping the upper edge of the upper pressure plate after the upper pressure plate is pressed down and a clamping convex which is matched with a convex clamping angle of a pressure rod of the upper pressure plate so as to position the upper pressure plate are arranged on one group of opposite side walls of the inner through hole;
the lower pressing plate comprises a rectangular bottom plate and side walls extending upwards along a group of opposite side edges of the bottom plate, and the lower pressing plate is tightly matched with the lower port of the inner through hole in the upper cover body;
the spring is arranged between the upper pressure plate and the lower pressure plate and provides elastic pressure for the lower pressure plate after the lower pressure plate is separated from the inner through hole of the upper cover body; and
the box body, including the holding storehouse relative from top to bottom with opening in the upper cover body and set up the bearing board on the edge on the holding storehouse, the bearing board with the bottom surface shape of upper cover body matches, is equipped with the preceding flange that turns up to the back top on its front end edge, is equipped with the back top board that upwards turns up on its rear end edge, the box bottom in holding storehouse is the net diaphragm piece, and it meets with the box wall of holding storehouse is fixed.
The dehydration embedding box of the invention is characterized in that an upper cover body is buckled on a box body, an upper pressure plate arranged in an inner through hole of the upper cover body is pressed down, the upper pressure plate presses the lower pressure plate to be separated from the inner through hole of the upper cover body, so that the lower pressure plate enters an accommodating bin of the box body, and the elastic force of the spring is used for elastically pressing and positioning the human tissue specimen placed in the holding bin, and by utilizing the water channel formed by the latticed strip holes distributed on the plate surfaces of the upper pressing plate and the lower pressing plate and the net steamed bread sheets on the box bottom of the holding bin, the human tissue specimen in the accommodating bin can be dehydrated, and the dehydrating embedding box can be directly transferred after the dehydration, and is put into liquid paraffin for wax dipping operation, after the paraffin is solidified, can form the wax block of embedding human tissue sample in the holding storehouse of box body, realized the one-tenth operation processing mode of integration of human tissue sample dehydration, embedding from this.
The invention not only avoids the transfer operation of the human tissue specimen between the dehydration box and the embedding box and the cross contamination caused by the transfer operation, but also avoids the specimen deformation and section deformation caused by the incapability of shaping in the dehydration and wax dipping processes of the human tissue specimen, ensures that the section of the human tissue specimen after wax dipping can be attached to the net steamed bread sheet at the bottom of the box, and smoothly shows the section of the human tissue specimen, does not have the condensation of redundant paraffin on the front end surface of the wax block of the human tissue specimen, does not need to be repaired, simplifies the operation flow of dehydration and embedding, can be directly installed on a slicer for slicing, and can carry out the examination of the tissue cytology through a microscope after dyeing.
The dehydration embedding box greatly reduces the deformation of the human tissue specimen which is possibly generated in the dehydration and wax dipping processes, so that the manufactured human tissue specimen section can better display the characteristic part of pathological changes, the inspection accuracy of the human tissue specimen is improved, the possibility of missed inspection and false inspection is reduced, the operation steps of the inspection of the human tissue specimen are greatly simplified, and the inspection working efficiency is improved.
Drawings
FIG. 1 is an isometric view of a dehydrated embedding cassette of the present invention.
FIG. 2 is a schematic view showing the assembled structure of the dehydration encapsulation cassette of the present invention (spring is omitted).
FIG. 3 is a schematic view showing the construction of the dehydrating cassette according to the present invention in a pressed state.
In the figure: 1. the device comprises an upper pressing plate, 2, an upper cover body, 3, a lower pressing plate, 4, a spring, 5, a box body, 6, a net membrane, 11, a pressing rod, 12, a convex clamping angle, 21, a side wall, 22, a clamping convex, 23, a clamping edge, 24, an inner through hole, 31, a side wall, 32, a spring seat, 51, an accommodating bin, 52, a front baffle edge, 53, a rear top plate, 54 and a supporting plate.
Detailed Description
As shown in figure 1, the dehydration embedding box comprises an upper cover body 2, an upper pressing plate 1, a lower pressing plate 3, a spring 4, a box body 5 and the like. The upper cover body 2, the upper pressure plate 1, the lower pressure plate 3 and the box body 5 are all made of plastic materials, so that a low-cost disposable appliance can be manufactured.
In fig. 1, the upper cover 2 is a flat rectangular parallelepiped frame structure, the front end face of which is a slope with a lower edge protruding forward, and both side faces and the rear end face of which are vertical faces. The upper cover body 2 may be formed and contoured as a conventional dehydration box to facilitate installation and dehydration in the dehydration engine. A rectangular inner through hole 24 is formed in the middle of the upper cover 2 and penetrates vertically, the upper press plate 1 is fastened to the upper opening of the inner through hole 24 from the upper portion, and the lower press plate 3 is fastened to the lower opening of the inner through hole 24 from the lower portion (fig. 2). Clamping ribs 23 for clamping the top plate upper edge of the upper pressure plate 1 after the upper pressure plate 1 is pressed down are respectively arranged on the front and rear opposite side walls 21 of the inner through opening 24 (or on the left and right opposite side walls 21). The top surface of the clamping rib 23 is a downward inclined slope surface, and the bottom surface is a horizontal plane, so as to form a strip rib with a section similar to a barb shape. Cylindrical clamping protrusions 22 are further arranged on the two side walls 21 of the inner through opening 24, wherein the clamping ribs are arranged. The clamping protrusion 2 is used for forming clamping matching with a pressing rod convex clamping angle 12 of the upper pressing plate 1 so as to position the buckling of the upper pressing plate 1 at the upper opening of the inner through opening (figure 2) and prevent the upper pressing plate 1 from being bounced open by a spring 4 compressed between the upper pressing plate 1 and the lower pressing plate 3. The clamping protrusions 22 are positioned on two sides of the lower part of the clamping rib 23, and the distance between the clamping protrusions and the clamping rib 23 in the vertical direction is larger than the thickness of the top plate of the upper pressure plate 1.
In fig. 1, the upper platen 1 includes a rectangular top plate and press rods 11 extending downward along a set of front and rear opposite side edges of the top plate. The top plate has the same shape as the upper cover inner through opening 24, but is slightly smaller in size so that the upper platen 1 can be smoothly pressed down in the inner through opening 24. The plate surface of the top plate is distributed with grid-shaped strip holes so as to form a dehydration channel. Two compression rods 11 are arranged on each side of the upper pressure plate 1, and four compression rods 11 are arranged to perform balanced pressing operation on the lower pressure plate 3 positioned in the inner through hole 24 so as to push the lower pressure plate out of the inner through hole 24. A convex clamping angle 12 (figure 2) for clamping is arranged at the lower end of the side vertical edge of the pressure lever 11. The convex clamping corners 12 on the two compression rods 11 are opposite, and a certain distance is kept between the outer side edge of each compression rod 11 and the end surface of the adjacent edge of the upper pressure plate, and the distance is larger than the thickness of the side wall 31 on the lower pressure plate 3, so that the side wall of the lower pressure plate can extend into the side wall when the lower pressure plate is assembled. The design is to prolong the height of the side wall as much as possible so as to be beneficial to realizing the function of the side wall.
In fig. 1, the lower press plate 3 includes a rectangular bottom plate and a side wall 31 extending upward along a set of left and right opposite sides of the bottom plate. The shape of bottom plate is the same with the shape of last lid internal opening 24, and the size is equivalent to make holding down plate 3 and the lower port of internal opening 24 form tight fit, be convenient for the location of holding down plate 3 in last lid internal opening 24 department. Of course, a transverse small rib (fig. 1) may be injection-molded on the outer side surface of the side wall 31, a transverse thin groove is correspondingly formed on the inner through hole side wall 21, and the lower press plate 3 is positioned by rib-groove matching. The extrusion of the small ribs on the side wall 21 of the inner through opening can also be directly utilized to form a tight fit between the lower pressure plate 3 and the inner through opening 24, so that the lower pressure plate 3 is positioned at the inner through opening. The plate surface of the bottom plate is also distributed with grid-shaped strip holes so as to form a dehydration channel.
The spring 4 is compressed between the upper pressing plate 1 and the lower pressing plate 3, and after the lower pressing plate 3 is pressed by the upper pressing plate 1 and is separated from the inner through hole 24 of the upper cover body 2 to enter the box body 5, the spring 4 provides continuous elastic pressure for the lower pressing plate 3, so that the lower pressing plate 3 presses the human tissue specimen placed in the box body 5. The lower pressing plate 3 elastically presses the human tissue specimens, and the use requirements of placing the human tissue specimens with different thicknesses are met. A spring seat 32 for accommodating the spring 4 is also integrally molded on the surface of the lower pressing plate 3 to provide a lower positioning for the spring 4, so that the position of the spring 4 and the lower pressing plate 3 can be kept stable when the lower pressing plate 3 is pressed into the box body 5 and the dehydration embedding box is installed in a dehydrator for dehydration.
In fig. 1, the box body 5 includes a receiving chamber 51 and a supporting plate 54 horizontally extending from the upper edge of the receiving chamber 51 to the periphery, the periphery of the supporting plate 54 substantially matches with the shape and size of the bottom surface of the upper cover body 2, a folded-corner-shaped front flange 53 turned upwards and backwards is arranged on the front end edge of the supporting plate 54, two back top plates 52 turned upwards are arranged on the rear end edge of the supporting plate 54, the side surfaces of the back top plates 52 are S-shaped, so that after the front end of the upper cover body 1 is clamped into the front flange 53 of the box body 5, the lower edge of the back end surface of the upper cover body 1 can be smoothly guided in, and simultaneously, the back end surface of the upper cover body 1 pressed into the box body can be tightly pressed, thereby ensuring that the upper cover body 1 is smoothly fastened on the box body 5.
The accommodating chamber 51 is a square chamber, the upper port of which is slightly larger than the bottom of the box, and the bottom of the box is slightly larger than the bottom plate of the lower pressing plate 3, so that the lower pressing plate 3 can be pressed to the bottom of the accommodating chamber 51 without obstacles. When the upper cover 1 and the box 5 are fitted together, the accommodating chamber 51 is located right below the inner opening 24 of the upper cover (fig. 2). The bottom of the accommodating bin 51 is provided with a reticular sheet 6, and the reticular sheet 6 is fixedly connected with the lower end edge of the box wall of the accommodating bin 51. The net film sheet 6 is a 100-mesh (at least larger than 90-mesh) film-shaped net sheet, and is fixedly connected with the lower end edge of the box wall of the accommodating bin 51.
In order to ensure that the lower press plate 3 has good stability after being pressed into the accommodating chamber 51, the height of the outer side of the side wall 31 on the lower press plate 3 should be greater than the height of the accommodating chamber 51. Thus, the side wall 31 on the lower pressing plate 3 can be ensured not to be separated from the inner through hole 24 all the time, so that the guide effect can be achieved on the upward installation and downward pressing of the lower pressing plate, and the lower pressing plate 3 can be kept relatively stable when the lower pressing plate 3 stretches into the accommodating bin 51 (shown in figure 3) and is dewatered along with the dewatering machine.
When the upper press plate 1 is pressed down, the press rod 11 on the upper press plate can press the lower press plate 3 out of the lower port of the through hole 24 in the upper cover body, so that the lower press plate 3 extends out of the accommodating bin 51 in the box body below, and the spring 4 is used for applying elastic pressing force to the human tissue specimens placed in the accommodating bin 51, so that the human tissue specimens with different thicknesses can be flatly pressed and attached to the bottom of the accommodating bin 51, and the cut surfaces of the human tissue specimens are flatly attached to the mesh sheets 6 at the bottom of the box. After the upper pressing plate 1 is pressed to pass through the clamping ribs 23 on the side wall of the inner through hole of the upper cover body, the upper pressing plate can be limited by the clamping ribs 23 and cannot be ejected upwards under the action of the elastic force of the spring 4 at the lower part; in addition, due to the clamping protrusions 22 on the side wall of the inner through hole of the upper cover body, the upper pressure plate 1 is limited from further moving downwards, so that the upper pressure plate 1 can not move upwards and fall off after the upper pressure plate 1 is pressed down and when the dehydration embedding box is put into a dehydrator for dehydration. The lower end of the pressure lever of the upper pressure plate 1 is designed with a convex card corner 12 protruding outwards, the convex card corner 12 can match with a card convex 22 on the side wall of the inner opening of the upper cover body to form a card position of the pressure lever 11, so that when the upper pressure plate is installed, the upper pressure plate 1 is positioned to prevent the upper pressure plate from being ejected out of the inner opening 24 of the upper cover body by the spring 4. The side wall 31 arranged on the lower press plate 3 can form slide way type matching with the side wall of the inner through hole of the upper cover body, so that on one hand, the lower press plate 3 can be guided when the lower press plate is moved up and down, and on the other hand, when the lower press plate 3 is inserted into the containing bin 51 and is dewatered along with the dewatering machine, the position of the lower press plate 3 can be kept stable to the maximum extent.
When the dehydration embedding box is assembled, the lower pressing plate 3 is inserted into the inner through opening 24 from the lower port of the inner through opening 24 of the box body according to the arrangement direction shown in figure 1, the side walls 31 on the lower pressing plate 3 are attached to the left and right side walls 21 of the inner through opening 24, and the lower pressing plate 3 is positioned on the lower port of the inner through opening 24 through tight fit. Then keep flat upper cover plate 2 on the operation mesa, put into spring holder 32 on lower plate 3 with spring 4, again with upper plate 1 according to the shown orientation that sets up of figure 1, insert interior opening 24 from the last port of interior opening 24 of box body, depression bar 11 of upper plate 1 slides down along the preceding, back both sides lateral wall 21 of interior opening 24, protruding card angle 12 on the depression bar 11 is behind the card protruding 22 on the corresponding position, the joint is in the below of calorie protruding 22, at this moment, the top surface of upper plate 1 just in time is parallel and level with the top surface of upper plate 2 mutually. The respective positioning of upper platen 1 and lower platen 3 in box interior opening 24 and the normal compression of springs 4 are thereby achieved. The upper cover body 2 with the upper pressing plate and the lower pressing plate installed is taken up, after the front end of the upper cover body is inserted into the front flange 53 of the box body 5, the lower edge of the rear end of the upper cover body slides onto the box body along the upper flanging of the two rear top sheets 52, at the moment, the inner convex sections of the two rear top sheets 52 just prop against the rear end surface of the upper cover body 2, and therefore buckling connection of the upper cover body 2 on the box body 5 is achieved.
When the portable tissue culture box is used, the upper cover body 2 is taken down firstly, the prepared human tissue specimen is clamped by tweezers and is placed into the accommodating bin 51 of the box body 5, the section of the human tissue specimen is attached to the net membrane 6 at the bottom of the box, then the upper cover body 2 is buckled on the box body 5 in the above mode, the upper cover plate 1 is pressed down by fingers, the upper cover plate 1 moves down to pass through the clamping ridge 23 and then stops exerting force, and at the moment, the upper cover plate 1 is positioned by the clamping ridge 23 and cannot move upwards (figure 3). In the initial stage of pressing down the upper pressing plate 1, the bottom plate of the lower pressing plate 3 is synchronously pressed out of the lower port of the inner through hole 24 by means of the pressing rod 11 on the upper pressing plate 1, after the upper pressing plate 1 is pressed down and positioned, the lower pressing plate 3 applies elastic pressure to the human tissue specimen in the accommodating bin 51 by means of the elasticity of the spring 4, and the human tissue specimen is pressed on the reticular membrane 6 at the bottom of the accommodating bin. Put into holding storehouse 51 and after being pressed the location at human tissue sample, install this dehydration embedding box earlier and carry out dehydration in the hydroextractor, take out the back, handheld this dehydration embedding box is direct to carry out the wax dipping in the liquid paraffin of 62 ℃ with the box body part, then shift to the freezing bench again and make paraffin solidify, can make human tissue sample embedding in the paraffin piece of holding storehouse 51 like this, and human tissue sample tangent plane is because of laminating mutually with net diaphragm 6, therefore can directly expose on net steamed bun piece 6, the outer terminal surface of net steamed bun piece does not have unnecessary paraffin, need not to repair the piece again and handles, can directly carry out the required section operation of inspection. In the process of dehydration and embedding, the invention has no clamping and transferring of human tissue specimens, thereby avoiding cross infection, simplifying operation procedures and improving working efficiency and accuracy of human tissue specimen inspection.
Claims (6)
1. The utility model provides a human tissue sample inspection is with dehydration embedding box, characterized by includes:
the upper pressure plate comprises a rectangular top plate and a pressure rod extending downwards along a group of opposite side edges of the top plate, and the lower end of the side vertical edge of the pressure rod is provided with a convex clamping angle for clamping;
the upper cover body is of a flat cuboid frame structure, the front end face of the upper cover body is an inclined plane with a front convex at the lower edge, the rear end face of the upper cover body is a vertical face, an inner through hole which is vertically penetrated and used for bearing an upper pressure plate and a lower pressure plate is formed in the middle of the upper cover body, clamping edges used for clamping the upper edge of the upper pressure plate after the upper pressure plate is pressed down and clamping protrusions matched with a pressing rod convex clamping angle of the upper pressure plate to position the upper pressure plate are arranged on one group of opposite side walls of the inner through hole, the clamping protrusions are located on two sides of the lower portion of the clamping edges, and the distance between the clamping protrusions and the top plate in the vertical direction is larger than the thickness of a top plate of the upper pressure plate;
the lower pressing plate comprises a rectangular bottom plate and side walls extending upwards along a group of opposite side edges of the bottom plate, and the lower pressing plate is tightly matched with the lower port of the inner through hole in the upper cover body;
the spring is arranged between the upper pressure plate and the lower pressure plate and provides elastic pressure for the lower pressure plate after the lower pressure plate is separated from the inner through hole of the upper cover body; and
the box body, including the holding storehouse relative from top to bottom with opening in the upper cover body and set up the bearing board on the edge on the holding storehouse, the bearing board with the bottom surface shape of upper cover body matches, is equipped with the preceding flange that turns up to the back top on its front end edge, is equipped with the back top board that upwards turns up on its rear end edge, the box bottom in holding storehouse is the net diaphragm piece, and it meets with the box wall of holding storehouse is fixed.
2. The dehydrating and embedding box for human tissue specimen examination according to claim 1, wherein there are two pressure levers on each side of the upper pressure plate, the convex clamping corners on the two pressure levers are opposite, and a distance is kept between the outer side edge of each pressure lever and the adjacent side end face of the upper pressure plate, and the distance is larger than the thickness of the side edge on the lower pressure plate.
3. The dehydrating and embedding box for human tissue specimen examination according to claim 1, wherein the top surface of the clamping rib is a downward inclined slope surface, and the bottom surface is a horizontal surface.
4. The dehydrating and embedding box for testing human tissue specimens according to claim 1, wherein the outer height of the side wall of the lower pressing plate is greater than the height of the accommodating chamber.
5. The dehydration embedding cassette for human tissue specimen examination as set forth in claim 1, wherein a spring seat for accommodating a spring is provided on said lower pressing plate.
6. The dehydration embedding cassette for human tissue specimen examination as set forth in claim 1, wherein said mesh sheet is a film-like mesh sheet larger than 90 mesh.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011112473.2A CN112161857B (en) | 2020-10-16 | 2020-10-16 | Dehydration embedding box for human tissue specimen examination |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011112473.2A CN112161857B (en) | 2020-10-16 | 2020-10-16 | Dehydration embedding box for human tissue specimen examination |
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| CN112161857A CN112161857A (en) | 2021-01-01 |
| CN112161857B true CN112161857B (en) | 2022-04-22 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CA3222400A1 (en) * | 2021-06-18 | 2022-12-22 | Leica Biosystems Nussloch Gmbh | Cassette for holding and orienting tissue sample |
| CN114486467B (en) * | 2021-12-30 | 2023-06-20 | 山东骏腾医疗科技有限公司 | Method and equipment for realizing automatic embedding |
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