JP3106986U - Medical examination cassette - Google Patents

Abstract

Disclosed is a cassette body for medical examination which can be easily opened and closed with one hand by improving the engagement and disengagement between the cassette body and the lid.
A cassette for medical examination (1) comprises a cassette body (2) and a lid (3), and protruding locking portions (5) formed on both side walls on the short side of the cassette body (2) are provided at the upper end of the side wall. A part is cut out, and the upper surface has a sloped surface 6 that slopes down toward the tip, and the lower surface has a substantially trapezoidal shape that consists of a sloped surface 9 that slopes up toward the tip. The small wall portion formed at the bottom is a damming portion 7. Further, the lid 3 is made of a plate-like body having a large number of through holes 4B, and a slope-like locking portion 8 that engages with the locking portion 5 is on one side on the opposite short side of the back surface. 1 is suspended from the other side and two are suspended from the other side. When attaching the lid 3 to the cassette body 2, the tip of the sloped locking portion 8 of the lid 3 is smoothly guided and engaged along the inclined surface 6, and when removing the lid 3, Since it is smoothly guided and removed along the inclined surface 9, the lid can be easily opened and closed with one hand, and the working efficiency is improved.
[Selection] Figure 5

Description

  The present invention relates to a medical examination cassette used for producing a microscope specimen for medical examination, and more particularly to a medical examination cassette that can be opened and closed easily and smoothly with one hand by improving the opening and closing of the lid.

  Conventionally, this type of medical examination cassette has a cassette body made of a chemical-resistant synthetic resin and a lid, and the cassette body is a rectangular container with an open top surface and a large number of through holes at the bottom. In addition, at least outside the opposing side wall, it has a cross-sectional view, a rectangular locking part, and an adapter (sample embedded in paraffin) in a microtome (device for preparing a sample of ultrathin section) used at the time of specimen preparation An adapter fixing protrusion is provided so as to engage with an engaging claw of a so-called cassette block (a mechanism portion for fixing).

  Further, the cassette lid is formed of a plate-like body having a large number of through holes, and tongue-like locking portions that detachably engage with the locking portions are provided on at least two opposite sides of the back surface thereof. At the same time, a projecting edge portion that is fitted to the inner peripheral surface of the cassette body is provided on the back surface of the lid (see, for example, Patent Document 1).

  On the other hand, this type of medical examination cassette is provided with a rectangular-shaped locking portion on the opposite side wall of the cassette body and a tongue-shaped locking portion that is detachably engaged with the locking portion. However, a cassette in a form that does not include the adapter fixing protrusion of the cassette body and the protruding edge on the back side of the lid is also frequently used.

  Then, after the sample collected from the subject is accommodated in the cassette body, the tongue-shaped latch that is suspended from the end of the lid is attached to the rectangular latch portion provided outside the side wall of the cassette body. The name and the like of the subject are recorded on a recording part that is provided on one side wall of the cassette body and is formed in a textured surface.

After that, the specimen is washed with water through the through hole, then the moisture adhering to the specimen is removed with alcohol, and affinity with liquid paraffin is given with xylene, and then embedded in paraffin to form a so-called cassette block, which is a microtome adapter. Fix and slice with, and make a microscope specimen.
Utility Model Registration No. 2547410 (FIG. 1, FIG. 2, FIG. 4)

  However, in the above cassette for medical examination, since the shape of the locking portion is rectangular, the engagement with the tongue-shaped locking portion of the lid engaged with this is not smooth, and when removing it, Was difficult to remove, and the workability was not good. This kind of cassette lid opening / closing operation is usually performed with one hand holding tweezers and the other hand only, so when the lid is forcibly removed and opened, the cassette body jumps and the valuable specimen sample There was also a case of wasting.

  The cassette for medical examination of the present invention has solved these problems in view of such circumstances, facilitates the engagement and disengagement between the cassette body and the lid, allows the lid to be opened and closed smoothly with one hand, It is an object of the present invention to improve workability by making it possible to mount the cassette body without being aware of the direction of the lid when mounting the lid on the cassette body.

  In order to achieve the above object, claim 1 of the present invention comprises a cassette body made of a chemical resistant material and a lid, and the cassette body is a rectangular container having an open top surface and a large number of transparent parts at the bottom. The lid has at least one protruding engaging portion on the outer side of at least two opposing side walls, and the lid is made of a plate-like body having a plurality of through holes, and at least two opposing sides on the back surface thereof Further, a slanted surface in which at least one slope-shaped latching portion that detachably engages with the latching portion is suspended, and the upper surface of the projecting latching portion slopes downward toward the tip portion. A medical examination cassette characterized by comprising:

  According to a second aspect of the present invention, there is provided a medical examination cassette characterized in that damming portions are formed on both sides of the protruding locking portion.

  According to a third aspect of the present invention, the upper surface of the protruding locking portion is formed from a substantially trapezoidal surface including a sloped surface that slopes down toward the tip portion, and the bottom surface is formed from a sloped surface that slopes up toward the tip portion. The medical examination cassette according to claim 1 or 2, characterized in that.

  According to a fourth aspect of the present invention, there are three protruding locking portions, and the slanted locking portion has one side on one side and two on the other side. The medical examination cassette according to any one of the above items.

  According to a fifth aspect of the present invention, there is provided the cassette for medical examination according to any one of the first to fourth aspects, wherein an adapter fixing portion protrudes at least on the outer side of the opposing side wall.

  Claim 6 of the present invention comprises a cassette for medical examination according to any one of claims 1 to 5, wherein a rib for fitting with the cassette body is provided inside the lid. .

  A seventh aspect of the present invention includes the medical examination cassette according to any one of the first to sixth aspects, wherein the chemical resistant material is made of a synthetic resin.

According to the cassette of the present invention, the cassette main body is provided with at least one protruding locking part on the outer side of at least two opposing side walls, and the upper surface of the locking part is inclined from the inclined surface where the upper surface is inclined toward the tip part. In addition, by providing the damming portions on both sides, the lid-shaped locking portion is smoothly guided along the inclined surface of the protruding locking portion upper surface to reach the engagement. Extremely smooth.
In addition, by providing damming parts on both sides of the locking part, it is possible to prevent the sloped locking part from slipping sideways and to prevent troubles such as the lid slipping sideways and precious specimens leaking out during chemical processing. Is done.

  In addition, the upper surface of the locking part is formed into a substantially trapezoidal shape with a sloped surface that slopes down toward the tip, and the bottom surface is formed into a substantially trapezoidal shape that slopes up toward the tip. As described above, when the lid is closed, the lid smoothly engages. When the lid is opened, the slanted locking portion of the lid is smoothly guided along the inclined portion on the lower surface of the protruding locking portion to disengage the engagement. Therefore, both the engagement and disengagement of the lid with the cassette body are performed smoothly, and the workability is further improved.

  Also, three protruding locking portions are provided on each side of the opposite side wall of the cassette body, and one side of the sloped locking portion provided on the back of the lid is provided and two on the other side. Thus, when attaching the lid to the cassette body, even if the orientation of the lid changes, the sloped locking portion of the lid is securely engaged with the engaging portion of the cassette body, so that the operator is conscious of the orientation of the lid. Since the lid can be attached without doing so, workability is greatly improved. In addition, since the engagement is performed at three locations, the engagement is more reliable, and if the lid is opened from one engagement portion, it can be easily opened with a small force.

  When a synthetic resin is used as the chemical resistant material, a cassette that is easy to mold and inexpensive is provided.

  The cassette for medical examination according to the present invention comprises a cassette body made of a chemical-resistant material and a lid, the cassette body is a rectangular container having an open upper surface, and has a plurality of through holes at the bottom, and at least It has at least one protruding locking part on the outer side of the two opposing side walls, and the lid is made of a plate-like body having a large number of through holes. It is characterized in that at least one slope-like locking portion that engages and disengages is suspended, and the upper surface of the protruding locking portion is a sloped surface that slopes down toward the tip. .

  At least one protruding locking portion is provided on the opposing side wall of the cassette body, but about three are preferable from the viewpoint of workability and effect of engagement / disengagement. Moreover, the right and left shift | offset | difference of a lid | cover can be prevented by providing the damming part which consists of a small wall part on both sides of each latching | locking part.

  At least one slope-like locking portion that detachably engages with the protruding locking portion of the cassette body is suspended from two opposite sides of the lid. From this point, it is preferable to provide one or two. Particularly, by providing one on one side and two on the other side, it is stable because it is engaged at a total of three places, one on one side and two on the other side. In addition, it is preferable to provide one on one side and two on the other side in that the engagement can be surely performed and the engagement can be easily disengaged with a small force.

  Furthermore, by providing ribs that fit into the cassette body on the two or four sides facing each other on the inside of the lid, it is possible to prevent leakage from the gap between the lid and the cassette body side wall even when the stored specimen is small. be able to.

  In addition, by providing a protruding edge with a large side that protrudes slightly from the cassette body, a thumb is attached to the protruding edge, and an index finger is applied to the upper surface of the cover. The engagement can be released and the lid can be easily opened with one hand. The protruding edge portion can be provided only in the vicinity of the slope-like locking portion.

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

  Also, either the cassette body, the lid, or both are made of a transparent material, so that if only the lid is made of a transparent material, from the outside of the lid, and if only the cassette body is made of a transparent material When the cassette body and the lid are both made of a transparent material from the outside of the cassette body (side wall or bottom), the state of the internal sample can be visually recognized from the outside of both the cassette body and the lid. That is, the status of the sample contained in the cassette (size, number, shape, color, location in the cassette body, and the location of the filter paper when the sample is contained with the filter paper, the direction of the sample on the filter paper, etc.) This makes it possible to clearly see the image, to make the preparation of the microscope specimen more efficient and reliable, and to obtain a highly accurate inspection result.

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

  Further, by dividing the cassette body with a partition wall into a plurality of small chambers, a plurality of specimens are processed at the same time, which is extremely efficient. However, as described above, when an existing device such as a microtome is used, the size of the cassette is restricted by itself. Therefore, when a plurality of small chambers are provided, about 2 to 9 are preferable. If the number exceeds nine, the size of the chamber becomes too small, and the size of the specimen to be accommodated and processed may be limited, which may be inconvenient.

  Furthermore, the effect of the chemical treatment can be improved by providing a plurality of protrusions having a height of about 0.3 to 0.5 mm on the surface of the lid. That is, a plurality of cassettes of this type are stacked or juxtaposed in a state of being juxtaposed, but by providing the projections, a space is formed between upper and lower or adjacent cassettes. Since the chemical liquid flows into the cassette main body, the chemical liquid processing can be performed uniformly and in a short time, and the chemical liquid processing effect is enhanced.

  Hereinafter, although the present invention will be described in detail with reference to examples, it is needless to say that the present invention is not limited to such examples.

Example 1
An embodiment of the present invention will be described with reference to the drawings. 1A is a top view of the medical examination cassette in a state in which the cassette body and the lid are engaged, FIG. 1B is a cross-sectional side view along X1-X1, and FIG. 1C is X2-X2. FIG. 2 is an enlarged partial cross-sectional view of the portion indicated by A in FIG.

  As shown in these drawings, the medical examination cassette 1 of the present invention comprises a cassette body 2 made of a chemical-resistant synthetic resin and a lid 3, and the cassette body 2 has an upper surface opened. A rectangular parallelepiped container having a large number of through-holes 4A at the bottom, and one protruding locking portion 5 is formed on the substantially central outer side of the opposing short side wall. The protruding locking part 5 is formed with a part of the upper end on the outer side of the side wall that is notched, and an inclined surface 6 whose upper surface is inclined toward the tip part. The wall portion is a damming portion 7.

  The lid 3 attached to the cassette body 2 is formed of a plate-like body having a large number of through holes 4B, and is engaged with the locking portion 5 on two opposite short sides on the back surface thereof. Each of the slope-shaped locking portions 8 is suspended. On one side, a protruding edge 12 is provided in the vicinity of the slope-shaped locking portion 8 and on the other side, a protruding edge 13 is provided over the entire width.

  In the above configuration, when the lid 3 is attached to the cassette body 2, the locking portion 5 and the stepped locking portion 8 that is engaged with the locking portion 5 in correspondence with the locking portion 5 are provided symmetrically as shown in the drawing. Since the lids are provided one by one, the direction of the lid can be either, and the operator can attach the lid without being aware of the direction of the lid. Further, as shown in FIG. 6, when engaging the lid, the tip of the slope-like locking portion 8 of the lid 3 is smoothly guided along the inclined surface 6 to reach the engagement, so that the lid 3 is smoothly It is attached to the cassette body 2. Further, since the movement along the width direction of the lid 3 is completely regulated by the damming portions 7 provided on both sides of the locking portion 5 after being engaged, the lid is laterally displaced and accommodated in the cassette body 2. Troubles such as leaking specimens are surely resolved.

Example 2
3 (a) and 3 (b) are a top view and a YY cross-sectional view of the lid, respectively, showing a state in which there are one slope-like locking portion on one side and two on the other side. FIG. 4 is a top view showing a state in which three locking portions each projecting from the left and right sides of the cassette body are provided, and FIG. 5 is a view of the locking portion and lid provided with a sloping surface on the top surface and a sloping surface on the bottom surface. It is an expanded sectional view which shows an engagement state with a slope-shaped latching | locking part.

  As shown in these figures, one slope-like locking portion 8 is located on the center of the left side of the lid 3 in the longitudinal direction, and 2 on the opposite side of the right side with a center line in the longitudinal direction interposed therebetween. Each of the slope-shaped locking portions 8 is suspended. On the other hand, the locking portions 5 projecting on both sides of the cassette body 2 are arranged in a position where they can be engaged even if the lid 3 is attached in the opposite direction, three on one side. Damping portions 7 are formed on both sides of each locking portion 5. Further, as shown in FIG. 5, the protruding locking portion 5 forms an inclined surface 6 whose upper surface is inclined toward the distal end, and an inclined surface 9 whose lower surface is inclined upward toward the distal end. And has a substantially trapezoidal shape.

  According to the above configuration, that is, a total of three slope-like locking portions 8 are provided on one side of the lid 3 and two on the other side, and the mounting direction of the lid 3 is reverse to the cassette body 2. In total, six locking portions 5 are provided on both sides of each side so that they can be engaged with each other, and the locking portions 5 are connected to the inclined surface 6 and the inclined surface 9. Since it has a substantially trapezoidal shape, the cassette body 2 and the lid 3 can be engaged and disengaged smoothly with one hand, and are engaged in a total of three locations, so that the cassette body 2 and the lid 3 are engaged stably and reliably. . Moreover, when removing the lid | cover 3, it can remove easily from the part engaged at one place.

Example 3
As shown in FIGS. 6 to 8, the medical examination cassette according to the third embodiment is the same as the cassette according to the second embodiment except that a rib 14 that fits into the cassette body 2 is provided inside the lid 3. It is the same composition as.
When the sample accommodated in the cassette body 2 is small, it may leak from the gap between the lid 3 and the side wall of the cassette body 2, but by providing the ribs 14, such troubles can be prevented. .

Example 4
The medical examination cassette of the fourth embodiment is provided with the following three points described in the second embodiment, that is, the three step-like locking portions 8 are asymmetrically provided at the center of the lid 3 (FIG. 3A). (Refer to FIG. 3 (b)), and the shape of the protruding locking portion 5 is inclined. The substantially trapezoidal shape having the descending surface 6 and the obliquely rising surface 9 (see FIG. 5) is exactly the same, and here, differences from the second embodiment will be described.

  9 and 10 show the upper surface of the cassette main body in which the wall thickness of the upper half of the side wall 10 on the side of the cassette main body 2 where the locking portion 5 is not provided is thick, and this is used as the adapter fixing portion 11. It is a figure and PP sectional drawing.

  According to the above configuration, that is, by designing the adapter fixing portion 11 to a size that can be engaged with the engaging claw of the adapter of the microtome, which is a device for producing a sample of an ultrathin section that has been conventionally used. Even if the size of the cassette is increased, it is advantageous because a microscope specimen can be prepared with a conventional microtome without newly preparing a microtome.

  According to the cassette for medical examination of the present invention, engagement and disengagement can be smoothly performed with one hand and with one touch, and it is not necessary to be aware of the direction of the lid, so that the work efficiency can be drastically improved.

(A) The cassette for medical examinations in Example 1 of this invention is shown, and it is a top view of the state by which the cassette main body and the lid | cover were engaged. (B) It is X1-X1 side sectional drawing of the cassette. (C) It is X2-X2 side sectional drawing of the cassette. It is an expanded partial sectional view of the part shown by A of FIG.1 (c). (A) It is the top view of the lid | cover which shows the cassette for medical examinations in Example 2 of this invention, and shows the state provided with 1 and 2 graded-shaped latching | locking parts on the short side of a lid, a total of three. (B) It is a YY sectional view of the cassette. FIG. 4 is a top view showing a state in which a total of six locking portions each projecting on both side walls of the main body on the short side of the cassette of FIG. 3 are provided. FIG. 5 is an enlarged cross-sectional view showing an engagement state between a locking portion provided with a sloping surface and a sloping surface and a lid-shaped sloping locking portion in the cassette of FIGS. 3 and 4. (A) It is the top view of the lid | cover which shows the cassette for medical examinations in Example 3 of this invention, and shows the state provided with 1 and 2 graded-shaped latching | locking parts on the short side of a lid, a total of three. (B) It is ZZ sectional drawing of the cassette. FIG. 4 is a top view showing a state in which a total of six locking portions each projecting on both side walls of the main body on the short side of the cassette of FIG. 3 are provided. FIG. 8 is an enlarged cross-sectional view showing an engagement state between a locking portion provided with a sloping surface and a sloping surface and a sloped locking portion of a lid in the cassettes of FIGS. 6 and 7. In the medical examination cassette in Example 4 of this invention, it is a top view of the cassette main body which provided the adapter fixing | fixed part in the side wall of the long side of a cassette main body. It is PP sectional drawing in the cassette main body of the cassette of FIG.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Medical examination cassette 2 Cassette main body 3 Lid 4A, 4B Through-hole 5 Protruding latching part 6 Oblique surface 7 Damping part 8 Slope-like latching part 9 Diagonal ascending surface 10 Container side wall 11 Adapter fixing part 12 Protruding edge part 13 Projection edge 14 Rib

Claims (7)

  A cassette main body made of a chemical-resistant material and a lid are provided. The cassette main body is a rectangular container having an open top surface and has a plurality of through holes in the bottom, and at least one outside at least two opposing side walls. The lid is formed of a plate-like body having a large number of through holes, and at least one of the back surfaces of the lid is detachably engaged with the locking portion. A cassette for medical examination, characterized in that a plurality of slope-like locking portions are provided vertically, and the upper surface of the protruding locking portion is a sloped surface that slopes down toward the tip.   A medical examination cassette characterized in that damming portions are formed on both sides of a protruding locking portion.   The upper surface of the protruding locking portion is formed of a sloped surface inclined downward toward the tip end portion, and the lower surface is formed of a substantially trapezoidal shape formed of a sloped upward surface inclined upward toward the tip end portion. The cassette for medical examination of 1 or 2.   The number of protruding locking parts is three, and the slope-shaped locking part has one side and one side, and the other side has two. Cassette for medical examination.   The cassette for medical examination according to any one of claims 1 to 4, wherein an adapter fixing portion is provided at least on the outer side of the opposite side wall.   The cassette for medical examination according to any one of claims 1 to 5, wherein a rib for fitting with the cassette body is provided inside the lid. The medical examination cassette according to claim 1, wherein the chemical-resistant material is made of a synthetic resin.

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