JP2008304242A - Medical examination cassette - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a medical examination cassette capable of efficiently treating a fine string- or tape-shaped elongated specimen with a medicinal fluid in a short time without bending or curling the specimen even in the case where the elongated specimen is treated. <P>SOLUTION: The medical examination cassette 1 is composed of a cassette body 2 being an upward opened square container having the bottom plate part 2a in which a large number of through-holes 5 are bored and a lid 3 having the upper plate part 3a in which a large number of through-holes 5 are bored and capable of being attached to the upper surface of the cassette body 2 in a freely detachable manner. Partition walls 2b for partitioning the inside of the cassette body 2 into small chambers 2g are vertically provided from the bottom plate part 2a of the cassette body 2 and the base of each of the small chambers 2g has a rectangular shape of which the long side length is twice or more the short side length. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a medical examination cassette used for producing a microscope specimen for medical examination. More specifically, even if the specimen has a long and easy to bend shape such as a thin string shape or a tape shape, the substantially straight posture is maintained. The sample does not bend or curl during the process of dehydration, xylene treatment, etc. Therefore, there is no trouble that the chemical treatment becomes insufficient at the part where the sample overlaps, and as a result, the entire sample is processed uniformly. The present invention relates to a medical examination cassette suitable for a thin and flexible specimen such as a thin string or tape.

  Conventionally, as a medical examination cassette for preprocessing a specimen for preparing a microscope specimen, a cassette body, which is a rectangular container having a large number of through holes in the bottom plate and an open top surface, A medical examination cassette is used which has a large number of through holes in the plate portion and a lid that can be detachably attached to the upper surface of the cassette body. As a typical medical examination cassette of this type, a cassette (FIGS. 16 and 17) having an adapter locking portion 2h for locking a microtome adapter on the side surface, and a sloped recording portion 2e are provided. Cassettes (FIGS. 18 and 19) and the like (see, for example, Patent Document 1).

  A method for preparing a microscope specimen using the cassette is also described in Patent Document 1, but first, as shown in FIGS. 17 and 19, the sample S collected in the cassette body 2 is accommodated and the lid is closed. 3 is attached, and the name and number of the subject are entered in the recording unit 2e. Next, alcohol is allowed to flow through the through-holes 5 formed in the bottom plate portion of the cassette body 2 and the upper plate portion of the lid 3 to remove moisture from the sample S, and the affinity for liquid paraffin to be described later is imparted by xylene. .

  Next, as shown in FIG. 20, the specimen S is moved to the tray T, the cassette body 2 is placed on the tray T, and paraffin is injected from above the medical examination cassette 1. Next, although not shown, after the paraffin is cooled and solidified, the tray T is removed to obtain a paraffin block in which the paraffin embedded with the specimen S adheres to the bottom of the cassette body 2. Thereafter, the specimen S embedded in paraffin with a microtome is sliced to obtain a thin piece, and a microscope specimen is obtained by subjecting this to a predetermined treatment such as staining.

However, if a sample with a flexible shape such as a thin string or tape is processed with the above-mentioned cassette for medical examination, the sample is often rounded or bent. The specimen may be bent partially, or if it is severe, the specimen may be curled up as a result. There is a risk that the chemical treatment will be insufficient, such as insufficient affinity for paraffin. When the chemical solution treatment is insufficient, not only a suitable microscope specimen can be prepared but also a valuable specimen may be spoiled, which may greatly impair the reliability of the examination.
Utility Model Registration No. 2507446

  According to the present invention, a partition wall is erected on the cassette body, and the inside of the cassette body is partitioned into rectangular small chambers whose long sides are twice or more as long as the short sides. Even when processing a long and narrow specimen such as a thin string or tape, the specimen is suppressed without being rounded or bent and the substantially linear posture is maintained, and the specimen is appropriately treated with a chemical solution. A cassette for medical examination that can be processed is provided.

  In order to achieve the above object, the invention according to claim 1 of the present invention comprises a cassette body which is a rectangular container having a plurality of through holes in the bottom plate portion and an open upper surface, and a plurality of pieces in the upper plate portion. A medical test cassette having a through-hole and a lid that can be detachably attached to the upper surface of the cassette body, the partition wall partitioning the interior of the cassette body into a small chamber from the bottom plate portion of the cassette body The bottom of the small chamber has a rectangular shape whose long side is longer than twice the length of the short side.

  The invention according to claim 2 of the present invention comprises the cassette for medical examination according to claim 1, wherein the partition wall extends in the long side direction or the short side direction of the cassette body.

  In the invention according to claim 3 of the present invention, the individual through holes in the bottom plate portion of the cassette body are separated by linear bars extending in the long side direction and the short side direction of the cassette, and the partition wall is The medical examination cassette according to claim 1, wherein the medical examination cassette is set up on a crosspiece.

  The invention according to claim 4 of the present invention contains the cassette for medical examination according to any one of claims 1 to 3, wherein the height of the partition wall is not less than half of the height of the small chamber. And

  The invention according to claim 5 of the present invention is characterized in that an auxiliary wall is suspended from the back surface of the upper plate portion of the lid, and the partition wall and the auxiliary wall are close to each other when the lid is attached to the cassette body. The medical examination cassette according to any one of claims 1 to 4 is included.

  The invention according to claim 6 of the present invention includes the medical examination cassette according to claim 5, wherein the auxiliary wall has a loop shape that fits into the small chamber.

  In the invention according to claim 7 of the present invention, an outer peripheral region where no through hole is formed is provided in the peripheral portion of the back surface of the bottom plate portion of the cassette body and the peripheral portion of the upper plate portion surface of the lid. 7. A medical examination cassette according to claim 1, wherein a holding projection is provided to project.

  In the invention according to claim 8 of the present invention, the length of the longest portion of the gap holding projection is longer than the longest portion of the through hole formed in the bottom plate portion of the cassette body or the upper plate portion of the lid. The medical examination cassette according to claim 7 is characterized.

  The invention according to claim 9 of the present invention is characterized in that two or three gap holding protrusions are provided along the outer circumferences of the two opposing long sides. The contents are the cassette for medical examination described.

  The invention according to claim 10 of the present invention is a portion corresponding to the lower surface of the cassette main body and below the small chamber of the cassette main body, and / or the upper plate surface of the lid and above the small chamber of the cassette main body. 10. A medical examination cassette according to claim 1, wherein a laterally long turbulent projection is projected at a portion corresponding to the above.

  According to an eleventh aspect of the present invention, the medical examination cassette according to the tenth aspect is characterized in that the turbulent projections are extended in two or more different directions.

  The invention according to claim 12 of the present invention comprises the cassette for medical examination according to any one of claims 1 to 11, wherein the lid and / or the cassette body is made of a chemical-resistant transparent material. And

The cassette for medical examination of the present invention is provided with a partition wall that divides the inside of the cassette body into small chambers from the bottom plate portion of the cassette body, and the bottom surface of the small chamber has a length of the long side that is at least twice the length of the short side. Because of this rectangular shape, even when a long and flexible specimen is treated with a chemical solution, the specimen is blocked by the side walls and partition walls even if it is curled or bent, and is forced to extend approximately linearly along these walls. Therefore, it does not bend or curl and maintains a substantially straight posture, and therefore specimens do not overlap, so that chemical treatment can be performed appropriately and suitable microscope specimens can be produced, increasing the reliability of the examination. Can do.
In this case, when the partition wall is extended in the long side direction or the short side direction of the cassette body, the inside of the cassette is partitioned into small chambers without waste and can be used efficiently, and a large number of small chambers can be formed. In addition, when the partition plate is erected on the rail extending in the long side direction and the short side direction of the cassette, the chemical solution can easily flow into the small chamber because the through hole is not blocked by the partition plate. Processing can be performed appropriately in a short time, and the reliability of inspection can be improved.

  If the height of the partition wall is more than half of the height of the chamber, there is no risk that one end of the elongated sample that has entered the chamber will move beyond the partition wall to the next chamber, and the sample will be stretched almost straight. Chemical treatment can be performed appropriately.

  If the auxiliary wall is suspended from the back of the top plate of the lid, and the lid is attached to the cassette body, the partition wall and the auxiliary wall come close to each other, so even if the height of the partition wall is lowered, the lid is attached to the cassette body. If attached, the small chamber is partitioned vertically by the partition wall and the auxiliary wall, and the specimen is prevented from moving to the adjacent small chamber by being pushed by the flow during the chemical treatment.

  If the auxiliary wall has a loop shape that fits into the small chamber, when the lid is attached to the cassette body, the auxiliary wall abuts against the partition wall standing in the small chamber or the side wall of the cassette body, and the small chamber is completely partitioned. Therefore, the movement of the specimen to the adjacent chamber can be reliably prevented, and rattling of the lid with respect to the cassette body can be prevented.

  Peripheral areas on the back surface of the bottom plate part of the cassette body and peripheral parts on the top plate part surface of the lid are provided with an outer peripheral area that does not have through holes. A gap through which the chemical solution can flow is formed between the adjacent cassettes when they are juxtaposed, and this gap is properly maintained even if a slight deviation occurs in the stacked cassettes. Therefore, uniform chemical treatment can be efficiently performed in a short time without hindering the inflow of the chemical into the cassette.

If the length of the longest portion of the gap holding projection is longer than the longest portion of the through hole, even if the position of the stacked medical examination cassette is shifted and the gap holding projection is disposed on the through hole, Since the gap holding projection does not enter the through hole, the gap between the adjacent cassettes is held uniformly and reliably. Therefore, the flow of the chemical solution into the cassette is not hindered, and uniform chemical solution processing can be performed.
It is preferable to provide two or three gap holding protrusions along the outer circumferences of two opposing long sides. In this case, between the gap holding protrusions provided on the long side and the short side are provided. The chemical liquid flows in from all directions on the outer periphery, and the chemical liquid treatment is performed more uniformly.

  A horizontally long turbulent projection on the back surface of the bottom plate portion of the cassette body and corresponding to the lower portion of the small chamber of the cassette main body and / or the upper plate portion surface of the lid and corresponding to the upper portion of the small chamber of the cassette main body. When projecting, the flow path of the chemical solution flowing through the gaps of the stacked medical examination cassettes is disturbed by the turbulent projections, and not only simply passes between the cassettes, but also flows into the medical examination cassettes. Therefore, the chemical solution processing is performed more effectively.

  When the turbulent projections are extended in two or more different directions, even if a chemical solution flows in parallel with a certain turbulent projection, this chemical solution collides with other turbulent projections, and the flow path is disturbed to cause a medical examination cassette. Since it flows in, chemical processing is performed more effectively.

  When the lid and / or the cassette main body is made of a chemical-resistant transparent material, the state of the specimen inside the cassette can be visually recognized during the operation, so that the work efficiency is improved.

Although the present invention will be described with reference to the drawings showing preferred embodiments, it is needless to say that the present invention is not limited to such embodiments.
The cassette 1 for medical examination of the present invention includes, for example, a cassette body 2 which is a rectangular container having a plurality of through holes 5 formed in the bottom plate portion 2a and having an open upper surface, as shown in FIGS. The present invention relates to a medical examination cassette 1 having a plurality of through holes 5 formed in an upper plate portion 3a and comprising a lid 3 that can be detachably attached to the upper surface of the cassette body 2. For example, FIG. A partition wall 2b for partitioning the inside of the cassette body 2 into the small chambers 2g is erected from the bottom plate portion 2a of the cassette body 2, and the bottom surface of the small chamber 2g has a long side with a short side length. It has a rectangular shape that is twice or more.

  For example, as shown in FIGS. 4 and 5, the medical examination cassette 1 of the present invention has a partition wall 2 b standing inside the cassette and partitioned into small chambers 2 g, and the bottom surface of the small chamber 2 g has a long side length. Is a rectangular shape that is at least twice the length of the short side (about 8 times in FIG. 4). When such a medical examination cassette 1 is used, and a long and flexible specimen S is placed inside the medical examination cassette 1 and subjected to alcohol treatment and xylene treatment, a small chamber is formed even if the specimen S is rounded or bent. Even if the end portion of the specimen S is forced to flow away, the end portion collides with the partition wall 2b or the side wall. The state in which the sample S extends substantially straight along the partition wall is maintained. Therefore, the specimen S is not bent or rounded, and no overlapped portion is generated, so that no dirt remains on the surface of the specimen S, and a suitable microscopic specimen can be prepared by appropriately performing chemical treatment. Can improve the reliability.

  Here, if the length of the long side of the bottom surface of the small chamber 2g is less than twice the length of the short side, the effect of maintaining the posture of the specimen S described above becomes insufficient, which is not preferable. In addition, Preferably, the length of a long side is 4 times or more of the length of a short side, More preferably, it is 6 times or more. The upper limit is not particularly limited, but if the rectangular shape is too long, it is difficult to store or take out the specimen, so about 20 times is usually preferable.

In the present invention, in order to divide the inside of the medical examination cassette 1 into small chambers 2g, a partition wall 2b is erected from the bottom plate portion 2a of the cassette body 2, for example, as shown in FIGS. FIG. 5 is a cross-sectional view taken along the line AA in FIG. 2. However, the bottom plate portion 2a and the partition plate 2b are described in succession because they are cut right above the partition wall 2b, and the boundary is understood. Since it is difficult, the boundary between the bottom plate portion 2a and the partition plate 2b is shown by describing the shape of the small chamber 2g with a broken line.
The direction, length, and the like in which the partition wall 2b extends are not particularly limited as long as the small chamber 2g has an appropriate shape. However, when the partition wall 2b extends in the long side direction or the short side direction of the cassette body 2, the cassette The inside of 1 is divided into small chambers 2g without waste and is used efficiently, and a large number of small chambers 2g are formed without gaps, which is preferable. As shown in FIG. 4, when the partition wall 2b extends only in the short side direction or only in the long side direction (in FIG. 4, it extends only in the long side direction), the long side and the short side. This ratio is further preferable, since the small chamber 2g is formed to be long and the effect of maintaining the posture of the specimen is sufficiently exhibited. However, as long as the length of the long side of the small chamber 2g is more than twice the length of the short side, both the partition plate 2b extending in the long side direction and the partition plate 2b extending in the short side direction are erected. In this case, since the number of small chambers 2g is increased, a large number of specimens S can be processed simultaneously.

  Further, for example, as shown in FIGS. 4 to 6, when the partition plate 2 b is erected on the rail 6 extending in the long side direction and the short side direction of the cassette, the partition plate 2 b blocks the through hole 5. Therefore, the chemical solution can easily flow into the small chamber 2g and the chemical treatment can be appropriately performed in a short time, thereby improving the reliability of the inspection.

The height of the partition wall 2b is not particularly limited as long as the sample S put into the small chamber 2g does not move to the adjacent small chamber 2g. For example, as shown in FIG. 6, the height of the partition wall 2b is at least half the height of the small chamber 2g. Then, since there is no possibility that one end of the elongated sample S stored in the small chamber 2g moves to the adjacent small chamber 2g beyond the partition wall 2g, appropriate chemical solution processing is performed while the sample S is straightly extended. Can do.
Note that if the height of the partition wall 2b exceeds about 1.2 times the width of the small chamber 2g, the sample S tends to fit into the small chamber 2g, and the sample S tends to be difficult to be taken out after the chemical solution processing is completed. Preferably, it is about 1.2 times or less the width (length in the short side direction) of the small chamber 2g.

In the present invention, for example, as shown in FIG. 6, an auxiliary wall 3b can be further provided.
The auxiliary wall 3b is suspended from the back surface of the upper plate portion 3a of the lid 3 and functions to divide the inside of the medical examination cassette 1 from above. In addition, the auxiliary wall 3b comes close to the partition wall 2b when the lid 3 is attached to the cassette body 2, so that the partition wall 2b and the auxiliary wall 3b become a series of wall shapes, and the specimen S It is prevented from moving to the adjacent small chamber 2g. This auxiliary wall 3b is particularly effective when the partition wall 2b is formed low so that the sample S can be easily taken out. Even if the partition wall 2b is lowered, the auxiliary wall 3b may be made longer by that amount.

  The shape of the auxiliary wall 3b is not particularly limited as long as the movement of the sample S can be restricted in cooperation with the partition wall 2b. Preferably, the auxiliary wall 3b is provided so as to sandwich the partition wall 2b from both sides. By doing so, the small chamber is reliably partitioned, and it is possible to reliably prevent the specimen from moving to the adjacent small chamber. Moreover, as shown in FIGS. 7-9, it can also be set as the loop shape which fits the auxiliary wall 3b in the small chamber 2g. In this case, as shown in FIG. 6, when the lid 3 is attached to the cassette body 2, the auxiliary wall 3b is fitted over the entire circumference of the small chamber 2g and abuts against the partition walls 2b provided upright on both sides. Therefore, the small chamber 2b is completely partitioned. Accordingly, the movement of the sample can be prevented more reliably, and rattling of the lid 3 with respect to the cassette body 2 can be prevented, so that the medical examination cassette 1 can be handled easily.

The medical examination cassette 1 of the present invention is used by stacking a plurality of medical examination cassettes 1 or by juxtaposing them in the lateral direction when a large amount of specimens S are processed simultaneously with a chemical solution. Therefore, even when the cassettes 1 are stacked or juxtaposed, a gap holding projection 7 is provided in order to form a gap through which the chemical solution can flow between the adjacent cassettes 1 and perform an appropriate chemical treatment. preferable.
The position of the gap holding projection 7 is not particularly limited, but an area where the through-hole 5 is not drilled is provided at a position opposite to the back surface of the bottom plate portion 2a of the cassette body 2 and the surface of the upper plate portion 3a of the lid 3. It is preferable to provide the holding projection 7, and it is more preferable if the area is an outer peripheral area 4 provided on the peripheral edge part of the back surface of the bottom plate part 2 a of the cassette body 2 and the peripheral edge part of the surface of the upper plate part 3 a of the lid 3. In addition, in FIG. 1 already shown, the interval holding projection 7 is provided in the outer peripheral region 4.

The spacing holding projections 7 may be provided on the front surface side of the lid 3, on the back surface side of the cassette body 2, or may be provided on both of them. In the case where the protrusions 7 are provided, even if the medical examination cassettes 1 are stacked, the spacing holding protrusions 7 abut against the outer peripheral region 4 of the cassette body 2, so that the gap between the cassettes 1 is appropriately maintained, Even when the cassettes 1 are slightly shifted and stacked, it is preferable because the gap holding projection 7 does not block the through hole 5.
The gap holding projection 7 can be provided on the crosspiece 6, and can be provided on both the outer peripheral region 4 and the crosspiece 6.

The shape of the gap-holding projection 7 is preferably a size and shape that does not immerse into the through-hole 5 so that the inflow of the chemical solution from the through-hole 5 is not hindered. A rectangular parallelepiped having an appropriate height longer than the portion is preferable. Further, it is more preferable that the corners are rounded so that the corners of the gap holding projections 7 can be easily removed even if they are caught in the through holes 5.
Here, the longest portion of the gap holding projection 7 refers to a portion connecting these points when the distance between one point on the bottom surface of the projection 7 and the other point is the longest. For example, the projection 7 is a rectangular parallelepiped. In this case, it points to the diagonal line of the rectangle at the bottom. The longest portion of the through-hole 5 is a portion connecting these points when the distance between one point on the bottom surface of the through-hole and the other point is the longest. For example, when the through-hole 5 is a square, its diagonal line If it is circular, it refers to its diameter.

  Specifically, the length and width of the gap holding projection 7 vary depending on the shape and size of the through hole 5 formed in the bottom plate portion 2a of the cassette body 2 and the upper plate portion 3a of the lid 3, for example, When the through hole 5 is a square having a side length of about 2 mm, a length of about 2.5 to 4.0 mm and a width of about 0.7 to 1.5 mm are preferable. If the length and width are smaller than the above, there is a possibility that the gap holding projection 7 will be immersed in the through-hole 5 when a lateral deviation occurs between adjacent cassettes. If it becomes larger, it may hinder the flow of the chemical solution.

It is preferable that about 4 to 6 gap holding protrusions 7 provided in the outer peripheral region 4 are provided at substantially equal intervals. Here, “substantially equidistant” means that all protrusions are not provided on one side of the outer periphery, and does not need to be equidistant in a strict sense. If there is a bias in the arrangement of the gap-holding projections 7, a portion where the interval between the projections 7 becomes narrow is generated, and the inflow of the chemical solution from this portion is reduced, which may make it difficult to uniformly treat the sample with the chemical solution. There is.
If the number is 3 or less, depending on the arrangement method, sufficient gap holding can be achieved by causing a lateral shift between the cassettes so that one of the gap holding projections 7 is disengaged from the opposed outer peripheral region 4. On the other hand, even if the number is 7 or more, the gap retention performance is not improved so much and the gap between the gap holding projections is narrowed to reduce the inflow amount of the chemical liquid. May be worse than those having 6 or less protrusions.

The gap holding projections 7 in the outer peripheral region 4 may be provided on any of the long side, the short side, and both of the long side and the short side, but two to three are provided along the outer periphery of the opposing long side. Is preferred. This is because if the gaps are provided on the opposing short sides, the ratio of the gap holding projections increases, which may hinder the inflow of the chemical solution from the short side direction.
The sum of the lengths of the gap holding protrusions 7 provided on one side is preferably 1/3 or less of the length of each long side. When the ratio exceeds 1/3, the ratio occupied by the protrusions increases, the amount of the chemical liquid flowing from the long side decreases, and it may be difficult to uniformly treat the specimen.

  The height of the gap holding projection 7 varies depending on the size of the cassette 1. For example, when the cassette 1 has a long side of 30 mm, a short side of 20 mm, and a height of about 6 mm, the gap holding projection 7 is high. The thickness is preferably about 0.2 to 1.5 mm.

In the present invention, for example, as shown in FIG. 10, the back surface of the bottom plate portion 2 a of the cassette body 2 and the portion corresponding to the lower portion of the small chamber 2 g of the cassette body 2 and / or the surface of the top plate portion 3 a of the lid 3. In this case, the turbulent projection 8 may be provided in a portion corresponding to the upper portion of the small chamber 2g of the cassette body 2 (provided only on the lid 3 side in FIG. 10). In this case, turbulent flow is generated when the chemical solution flowing into the gap generated between the stacked medical examination cassettes 1 collides with the turbulent projection 8, and the amount of the chemical solution that simply passes through the gap is reduced. Thus, the amount of effective chemical solution flowing into the small chamber 2g increases.
The higher the turbulent projection 8 is, the larger the turbulent flow is. The same height as the gap-holding projection 7 can support not only the outer peripheral region 4 but also the adjacent cassette 1 in the central portion. Even when the cassette 1 is largely displaced, there is an advantage that the gap of the cassette 1 can be maintained appropriately. However, in this case, since the corners of the turbulent projections 8 are easily caught in the through holes 5 and the medical examination cassette 1 is difficult to handle, the height of the turbulent projections 8 is preferably smaller than the gap holding projections 7.

Regarding the number of the turbulent projections 8, one or two turbulent projections 8 may be provided for each small chamber 2 g in order to generate an appropriate turbulent flow in the gap between the adjacent cassettes 1 so that the chemical solution flows into each small chamber 2 g. preferable.
The turbulent projections 8 can all be arranged in the same direction. However, in order to easily generate turbulent flow regardless of the direction of the chemical solution flowing from any direction, the turbulent projections 8 are turbulent in two or more different directions. The diverting protrusion 8 is preferably extended. In addition, when the turbulent projection 8 is extended in two substantially orthogonal directions, the turbulent flow is generated in a wide range, so that an appropriate turbulent flow can be generated with a small number. In FIG. 1 already shown, turbulent projections 8 extending in the long side direction and the short side direction, that is, in two orthogonal directions, are shown.

In the present invention, the lid 3 can be detachably attached to the cassette body 2, but the structure thereof is not particularly limited. For example, as shown in FIG. 5, the engagement tongue provided in front of the lid 3. After the piece 3d is inserted into the engagement hole 2d of the cassette body 2, the engagement rod 3c provided at the rear of the lid 3 is engaged with the flange receiver 2c of the cassette body 2, whereby the lid 3 is moved to the cassette body 2. The attachment structure can be exemplified.
Preferably, as shown in the drawing, an air vent hole 2f is formed at the boundary between the upper surface of the cassette body 2 and the recording portion 2e. Similarly, it is preferable that the engagement tongue piece 3d is also provided with an air vent hole 2f (FIGS. 2 and 3). In particular, as described above, in the medical examination cassette 1 having the inclined recording portion 2e, air accumulates in the space on the back side of the recording portion 2e at the time of chemical treatment, and the buoyancy increases only in this portion. Since the medical examination cassette 1 is tilted, proper processing may not be possible. However, by removing the air accumulated in the space behind the recording unit 2e from the air vent hole 2f, the buoyancy is eliminated and the efficiency of the chemical treatment Can be increased.

  The material of the cassette 1 of the present invention is preferably a synthetic resin or metal that is resistant to chemicals used for specimen preparation, and examples thereof include polyacetal, polyamide, polycarbonate, polyester, polyethylene, polypropylene, and stainless steel. Also, the cassette body 2 can be made of resin and the lid 3 can be made of metal, and vice versa.

  In addition, when either the cassette body 2 or the lid 3 or both of them are made of a transparent material, when only the lid 3 is made of a transparent material, only the cassette body 2 is transparent from the outside of the lid 3. When made of material, from the outside of the cassette body 2 (side wall or bottom plate), and when both the cassette body 2 and the lid 3 are made of transparent material, from the outside of both the cassette body 2 and the lid 3, The state of the sample S can be visually confirmed. That is, the state of the sample S stored in the cassette 1 (whether the sample S is bent or rounded, size, number, shape, color, presence position in the cassette body, filter sample and the sample S were stored. In this case, the position of the filter paper, the direction of the specimen on the filter paper, etc.) can be clearly recognized, and the efficiency and reliability of the preparation of the microscope specimen can be improved, and a highly accurate test result can be obtained.

  As the transparent material, for example, a polypropylene resin and a polyester (particularly PET) resin are suitable, and a polyethylene resin and a polypropylene resin are particularly suitable from the viewpoint of excellent chemical resistance and low cost.

As mentioned above, although this invention was demonstrated based on the preferable Example, Of course, this invention is not restrict | limited to the said Example.
For example, as the cassette body 2, five partition plates 2b whose inside is extended in the long side direction and one partition plate 2b extended in the short side direction are erected (see FIG. 11), Alternatively, a structure in which five partition plates 2b extending in the short side direction are erected (see FIG. 12) may be employed.
Alternatively, the partition wall 2b may be slightly lowered and the auxiliary wall 3b may be lengthened accordingly, or the auxiliary wall 3b may be a simple plate instead of a loop (see FIG. 13).
The gap holding protrusion 7 and the turbulent flow protrusion 8 may be provided not on the front surface side of the lid 3 but on the back surface side of the cassette body 2 (see FIG. 14). These may all be provided in one direction, or turbulent projections 8 may be provided on each of the small chambers 2g (see FIG. 15).
Furthermore, it is needless to say that the present invention can be applied not only to the medical examination cassette having the sloped recording portion 2e shown in the above embodiment but also to the medical examination cassette having the microtome adapter locking portion 2h on the side surface.

  As described above, in the cassette for medical examination of the present invention, a partition wall that divides the inside of the cassette body into small chambers is erected from the bottom plate portion of the cassette main body, and the bottom surface of the small chamber has a long side with a short side. Because it is a rectangle that is more than twice the length, even when processing samples that are elongated and easily bent or bent, the sample is stretched almost straight along the partition wall to maintain a substantially straight posture. Even if the edge of the specimen is swept away by the flow, the specimen does not bend or curl, and there are no overlapping parts, so that chemical treatment is performed uniformly and efficiently in a short time, and the reliability of the test Sexually improved.

It is a front view which shows an example of the cassette for medical examinations. It is a top view of FIG. It is a bottom view of FIG. It is a top view of the cassette main body in FIG. It is AA sectional drawing of FIG. It is BB sectional drawing of FIG. It is a bottom view of the lid | cover in FIG. It is a front view of the lid | cover in FIG. It is a left view of the lid | cover in FIG. It is CC sectional drawing of FIG. It is a top view which shows the other example of a cassette main body. It is a top view which shows the other example of a cassette main body. It is sectional drawing which shows another example of the cassette for medical examinations. It is a front view which shows another example of the cassette for medical examinations. It is a top view which shows another example of a lid | cover. It is a perspective view which shows an example of the cassette for conventional medical examinations. It is sectional drawing of FIG. It is a perspective view which shows the other example of the conventional cassette for medical examinations. It is sectional drawing of FIG. It is explanatory drawing which shows the usage method of the cassette for medical examinations.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Medical examination cassette 2 Cassette main body 2a Bottom plate part 2b Partition wall 2c Scaffle receptacle 2d Engagement hole 2e Recording part 2f Air vent hole 2g Small chamber 2h Adapter latching part 3 Lid 3a Upper plate part 3b Auxiliary wall 3c Engagement hook 3d Engagement Tongue piece 4 Outer peripheral region 5 Through hole 6 Cross 7 Projection for holding gap 8 Protrusion for turbulence S Sample T

Claims (12)

A cassette body that is a rectangular container with a large number of through holes in the bottom plate and an open top surface, and a large number of through holes in the top plate that can be detachably attached to the top surface of the cassette body. A medical examination cassette comprising a lid,
A partition wall that divides the inside of the cassette body into small chambers is erected from the bottom plate portion of the cassette main body, and the bottom surface of the small chamber has a rectangular shape whose long side is at least twice as long as the short side. Characteristic cassette for medical examination.   The medical examination cassette according to claim 1, wherein the partition wall extends in a long side direction or a short side direction of the cassette body.   The individual through holes in the bottom plate of the cassette body are separated by straight bars extending in the long side direction and short side direction of the cassette, and the partition wall is erected on the bar. The cassette for medical examination according to claim 1 or 2, characterized by the above.   The medical examination cassette according to any one of claims 1 to 3, wherein the height of the partition wall is at least half of the height of the small chamber.   The auxiliary wall is suspended from the back surface of the upper plate portion of the lid, and when the lid is attached to the cassette body, the partition wall and the auxiliary wall are close to each other. Cassette for medical examination.   6. The medical examination cassette according to claim 5, wherein the auxiliary wall has a loop shape that fits into the small chamber.   An outer peripheral area where no through-hole is formed is provided in the peripheral part of the bottom surface of the bottom plate part of the cassette body and the peripheral part of the surface of the upper plate part of the lid, and a gap holding projection protrudes from the outer peripheral area. The medical examination cassette according to any one of claims 1 to 6.   The length of the longest portion of the gap holding projection is longer than the longest portion of the through hole formed in the bottom plate portion of the cassette body or the upper plate portion of the lid. Cassette for medical examination.   9. The medical examination cassette according to claim 7, wherein two or three gap holding projections are provided along the outer circumferences of two opposing long sides.   A horizontally long turbulent projection on the back surface of the bottom plate portion of the cassette body and corresponding to the lower portion of the small chamber of the cassette main body and / or the upper plate portion surface of the lid and corresponding to the upper portion of the small chamber of the cassette main body. The cassette for medical examination according to any one of claims 1 to 9, wherein is projected.   The medical examination cassette according to claim 10, wherein the turbulent projection is extended in two or more different directions.   The medical examination cassette according to any one of claims 1 to 11, wherein the lid and / or the cassette body is made of a chemical-resistant transparent material.

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