JPH081680Y2 - Bacteria inspection tool - Google Patents

Description

[Detailed description of the device]

[0001]

BACKGROUND OF THE INVENTION The present invention relates to a tool for collecting bacteria from an object to be inspected such as animal meat, fish meat and various processed foods, and transplanting the bacteria into a medium.
When collecting fungi, it is possible to collect a large amount of bacteria without mixing the bacteria on the finger and to collect them in a medium, and to collect the bacteria very easily.
The present invention relates to a bacteria test tool that can be used for stool .

[0002]

2. Description of the Related Art Conventionally, as a tool for collecting bacteria into a medium without mixing bacteria attached to fingers when conducting a bacteria test on meat, fish meat, various processed foods, etc. The tool shown in FIG. 5 is known.

That is, the tool shown in FIG. 5 has a substantially frustoconical main body a.
A ring-shaped weir body b is provided along the circumferential direction at the peripheral portion of the upper surface of the agar medium b, and the agar medium c is filled in the weir body b so that the upper surface thereof projects from the upper end of the weir body b. In order to prevent contamination from the outside, the lid body d is fitted to the weir body b, and the medium c is covered with the lid body d.

When bacteria are collected using this tool,
The lid d is removed, the main body a is held, the medium c is brought into contact with an inspected object such as animal meat or fish meat, and fungi are directly transferred from the inspected object to the medium c, and then the lid d is attached again to contaminate And the tools are transferred under conditions suitable for culturing, and the fungi are cultivated.

[0005]

According to the tool shown in FIG. 5, fungi can be collected in the medium c without touching the medium or the object to be inspected , and in this case, the medium can be directly collected at the site of the bacteria collection. Since the bacteria can be inoculated into c, the risk of contamination from the outside is extremely low, but this bacteria testing tool has the drawback that it is difficult to collect many bacteria at once.

Namely, the tool is pressed against the direct inspection object medium c, but is intended to Tokin by depositing fungi in the medium c, or pressed against the object to be inspected is strongly medium c In this case, the medium c If so it rubbed against the test substance
May collapse. Therefore, when collecting the bacteria, the medium c can only be lightly pressed against the surface of the object to be inspected, and it is difficult to attach many bacteria to the medium c.

The present invention has been made in view of the above circumstances, and it is possible to easily inoculate a medium at a collection site without touching the medium or an object to be inspected , and to easily and surely secure a large number of bacteria. It can be collected and the bacteria can be collected
It is an object of the present invention to provide a bacteria testing tool that can perform work very easily .

[0008]

SUMMARY OF THE INVENTION The present invention, in order to achieve the above object, a first lid for closing a Petri dish which medium for bacterial culture is filled therein, the upper end opening face of the petri dish, the A sponge body for collecting bacteria from an inspection object, and a ring-shaped wall body projectingly provided on the upper surface of the first lid body. The ring-shaped wall body and the upper surface of the first lid body A sponge body accommodating portion for accommodating the sponge body in a space surrounded by and a top end opening of the sponge body accommodating portion are closed by being fitted to the upper end portion of the ring-shaped wall body, and the closing A second lid body having the sponge body for bacteria fixed to the inside of the surface, and tap water treatment in which a water-retaining base material sheet disposed on the inner surface of the bottom wall of the sponge body housing is impregnated with sodium thiosulfate A thin sheet comprising a sheet and To provide a test device.

[0009]

SUMMARY OF Invention The present invention Bacterial testing tool, collect fungi from meat or fish, the specimen in various processed foods, a tool for implantation in the medium, or the object to be inspected by using the tool < If collecting br /> et bacteria, first, the second cover member removed from the sponge member receiving portion of the first lid member, it is pressed against the Tokin sponge body fixed to the second lid member to be inspected, Fungi are transferred to the sponge body.

Then, the first lid is removed from the Petri dish, the Petri dish is opened, the sponge body is brought into contact with the medium filled in the Petri dish, and the collected bacteria are transplanted from the sponge body to the medium.

[0011] In this case, when shifting the fungi pressed against the sponge body to the object to be inspected in the sponge body, with the second lid part can be performed Tokin operation, sponge body or object to be inspected <br It is possible to collect the fungus in the sponge body without touching the part for collecting the fungus. When the sponge body is brought into contact with the medium filled in the Petri dish to transfer the bacteria to the medium, it is possible to carry out the work while holding the first lid body and the Petri dish. It can be performed without touching the medium.

As described above, according to the bacterial test tool of the present invention, bacteria can be collected in the medium without touching the sponge body, the object to be inspected, and the medium, and the bacterial collection operation can be performed without fear of contamination. it can. In addition, since the sponge body and the Petri dish filled with the medium are set, the above-mentioned bacteria collection work can be easily performed on site, and when bringing the tool to the site, the Petri dish filled with the medium is used. Is closed by the first lid body and the sponge body is completely covered by the sponge body housing portion and the second lid body, so that they are not contaminated and therefore the risk of contamination is extremely low. Therefore, it is possible to easily collect bacteria.

Further, the device of the present invention uses a sponge body.
It is configured so as to collect bacteria from the object to be inspected, when collecting bacteria from the object to be inspected, the inspection sponge body
It is possible to perform a bacteria collection operation by pressing it strongly against an object or moving the sponge body so as to rub against the surface of the object to be inspected . Therefore, a large amount of bacteria can be transferred to the sponge body. Therefore, a large amount of bacteria can be inoculated into the medium, and a more accurate bacterial test can be performed.

Further, in the device of the present invention , the base sheet is impregnated with sodium thiosulfate on the inner surface of the bottom wall of the sponge body accommodating portion.
Since the tap water treatment sheet is provided , the second lid body is once removed from the sponge body accommodating portion at the time of collecting the bacteria, tap water is supplied to the sponge body accommodating portion, and then the second lid body is again provided. Is attached to the sponge body accommodating portion, the sponge body is inserted into the sponge body accommodating portion, and the sponge body is impregnated with water, so that bacteria transfer to the sponge body can be improved.

[0015] That is, as the water used for bacterial collection, usually distilled purified sterile water, such as water is used, although tap water containing chlorine having a bactericidal action are those which can not be used, the According to bacterial testing tool of the invention, the decomposition by the reducing action of a germicidal chlorine component in tap water to the sponge body accommodating portion
Water impregnated with sodium thiosulfate that can be removed
Since the water treatment sheet is provided, chlorine in tap water is decomposed by this, and even if tap water is used, it does not affect the bacteria test. Therefore, prepare sterile water
Bacterial work can be performed easily and reliably using tap water without
It is something you can do .

[0016]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A bacterial test tool according to an embodiment of the present invention will be described below with reference to FIGS. 1 to 4. The bacterial test tool is a petri dish 1 having a medium 2 filled therein.
And the sponge body 3 for collecting bacteria, and the sponge body 3 on the outer surface side.
A first lid 5 for closing the upper end opening of the Petri dish 1 and a second lid 5 for fixing the sponge body on the inner surface side of the petri dish 1 And a lid 6.

The Petri dish 1 has a medium 2 formed therein. In this case, the medium 2 is not particularly limited, but an agar medium is usually used.

The first lid 5 is a circular one that closes its opening so as to cover the upper end of the Petri dish 1, and has a ring shape in which the second lid 5 is fitted in the center of the upper surface. A wall 7 is integrally provided so as to project along the circumferential direction, and is surrounded by the ring-shaped wall 7 and the outer surface of the first lid 5
Is the sponge body accommodating portion 4 for accommodating the sponge body 3
It has become. Further, the sponge body of the first lid body 5
On the inner surface of the bottom wall (outer surface of the first lid body 5) in the accommodating portion 4, the base material sheet
Tap water impregnated with sodium thiosulfate
8 is provided.

Here, as the base material sheet constituting the tap water treatment sheet 8 , a water-retaining sheet such as paper such as filter paper or cloth such as woven cloth and non-woven cloth is used. Also,
Thiosulfate impregnated into the tap water treatment sheet 8 of
Is capable of decomposing and removing bactericidal chlorine components in tap water.
And has no bactericidal action by itself.

The second lid 6 is a cylindrical main body 9 with a short shaft and a bottom.
A ring-shaped flange body 10 is integrally projecting outward from the upper end peripheral portion of the, and a semi-disc-shaped knob portion 11 is integrally projectingly projecting at the center of the upper surface of the main body 9. By fitting the main body 9 to the inner surface of the upper end of the ring-shaped wall body 7, the upper end opening of the sponge body accommodating portion 4 is closed.

On the lower surface side of the main body 9 of the second lid body 6, the above-mentioned sponge body 3 for collecting bacteria having a short axis columnar shape is fixed by a double-sided adhesive tape, an adhesive or an adhesive. Is accommodated in the sponge body accommodating portion 4 when the second lid body 6 closes the sponge body accommodating portion 4. Further, in this case, when the sponge body accommodating portion 4 is closed by the second lid body 6, the sponge body 3 is
The lower end surface of the sheet comes into contact with the tap water treatment sheet 8 .

[0022] The sponge body 3 is intended for collecting bacteria from the object to be inspected and is pressed against the object to be inspected, but its material is not particularly limited, Tokin property and collected medium bacteria Taking into consideration the transplantability to the like, a relatively high density and smooth surface is preferable, and specifically, urethane sponge is preferably used.

Here, the materials and sizes of the Petri dish 1, the first lid 5 and the second lid 6 are not particularly limited and may be appropriately selected, but usually the Petri dish 1,
The first lid 5 and the second lid 6 are preferably made of plastic, and the petri dish 1 and the second lid 6 are preferably sized so that they can be easily held with one hand.

Further, the size of the sponge body 3 is determined to some extent by the size of the second lid body 6, and in particular, the sponge body 3 has such a diameter that the medium 2 in the Petri dish 1 can be moved left and right and back and forth. It is preferable that the bacteria collected in the sponge body 3 can be uniformly transplanted into the entire medium.

When bacteria are to be collected from an object to be inspected such as meat or fish using this bacteria inspection tool, first the second lid 6 is removed from the sponge body accommodating portion 4 of the first lid 5 (see FIG. 2). After the tap water is supplied into the sponge body accommodating part 4, the surface of the sponge body 3 is brought into contact with the tap water treatment sheet 8 by closing the sponge body accommodating part 4 again with the second lid 6.
The sheet 8 is impregnated with sodium thiosulfate.
The sponge body 3 is supplied with water obtained by decomposing and removing sterilizing chlorine components from tap water .

Next, the second lid 6 is attached to the sponge body accommodating portion 4
Again, and grasp the knob 11 of the second lid body 6 and hold it, and then, as shown in FIG.
The bacteria adhered to the inspection object 12 are pressed against the inspection object 12 and collected on the surface of the sponge body 3. in this case,
Bacteria can be collected in the sponge body 3 from a wide range of the test object 12 by moving the second lid body 6 so that the surface of the test object 12 is rubbed by the sponge body 3.

When the surface of the object 12 to be inspected has sufficient water content, it is not always necessary to supply water to the sponge body 3, and the water supply operation can be omitted.

Next, the first lid 5 and the Petri dish 1 are separated, and the surface of the sponge body 3 is brought into contact with the medium 2 filled in the Petri dish 1 as shown in FIG. The bacteria collected in 1. are transplanted to the medium 2. in this case,
It is preferable to tap the surface of the medium 2 with the sponge body 3 to transplant the bacteria, and further move the surface of the medium 2 to the front, rear, left and right of the sponge body 3 to uniformly transplant the bacteria to the entire medium 2. In addition, this work also applies to the knob portion 1 of the second lid body 6.
It can be done with good workability by pinching 1.

After transplanting the bacteria to the medium 2, the first
The lid 5 is attached to the upper end of the Petri dish 1 to complete the Petri dish 1.
The upper end opening is closed (the second lid 6 is removed in FIG. 2), the Petri dish 1 is transferred under conditions suitable for culture, and the collected fungus is cultured.

As described above, according to the bacteria inspection tool of this embodiment, bacteria can be collected in the medium 2 without touching the sponge body 3, the object 12 to be inspected and the medium 2, and the bacteria can be collected without any fear of contamination. And the transplant operation to a culture medium can be performed.
Moreover, since the Petri dish 1 filled with the sponge body 3 and the medium 2 is set, the above-mentioned bacteria collection work can be easily performed on site, and the medium 2 can be used when bringing a tool to the bacteria collection site. Since the Petri dish 1 filled with is sealed by the first lid body 5, and the sponge body 3 is housed in the sponge body housing portion 4 which is sealed by the second lid body, these are contaminated. Moreover, after collecting the bacteria in the medium 2, the Petri dish 1 can be immediately closed with the first lid body 5, so that the bacterial collection work can be easily performed in a state where the risk of contamination is extremely low. It is possible.

Moreover, the tool of this embodiment has a sponge body 3
Is configured so as to collect bacteria from the inspection object 12 by, when collecting bacteria from the inspection object 12, or pressed strongly sponge body 3 to the object to be inspected, the sponge body 3
It is possible to perform a bacteria collection operation by moving the surface of the object to be inspected 12 so as to rub it, and thus a large amount of bacteria can be transferred to the sponge body 3. Therefore, a large amount of bacteria can be inoculated into the medium 2 and a more accurate bacterial test can be performed.

Further, in collecting bacteria, it may be necessary to supply water to the sponge body 3,
In such a case, in the device of the present embodiment , tap water treatment in which sodium thiosulfate is impregnated in the sponge body accommodating portion 4 is performed.
Since the seat 8 is installed, tap water will
By impregnating the water treatment sheet 8,
It can be used satisfactorily by decomposing and removing bactericidal chlorine components.
Wear. Therefore, there is no need to prepare special sterile water, which is very convenient.

The bacteria testing tool of this embodiment is not limited to the above embodiment, and the shapes of the first and second lids, Petri dish, etc. can be variously changed. For example, although the knob portion 11 is provided on the second lid body 6 in the above-described embodiment, it is also possible to omit the knob portion 11 and pinch the flange portion 10 of the second lid body 6 to perform the bacteria collection work or the like. Further, other configurations can be variously modified without departing from the gist of the present invention.

[0034]

As described above, according to the bacterial test tool of the present invention, it is possible to easily inoculate the medium at the collection site without touching the medium or the object to be inspected, and there is no fear of contamination. In addition, many bacteria can be reliably collected. In addition, the tap water treatment sheet installed in the sponge body storage section
Decomposing and removing sterilizing chlorine components in tap water
Can be used for bacteria collection work and requires special sterile water
There is no need to worry about it, and it is very easy to collect bacteria.
It is possible.

[Brief description of drawings]

FIG. 1 is a cross-sectional view showing a bacteria testing tool according to an embodiment of the present invention.

FIG. 2 is a cross-sectional view showing a state in which a second lid body of the same bacteria testing tool has been removed.

FIG. 3 is a schematic view showing a state in which bacteria are collected from an object to be inspected with a sponge body of the same bacteria inspection tool.

FIG. 4 is a cross-sectional view showing a state in which bacteria are transplanted from a sponge body into a culture medium of the same bacteria testing tool.

FIG. 5 is a cross-sectional view showing a conventional bacteria inspection tool.

[Explanation of symbols]

1 Petri dish 2 medium 3 sponge body for bacteria collection 4 sponge body housing 5 first lid 6 second lid 7 ring-shaped wall 8 tap water treatment sheet 11 knob 12 inspected object

Claims (1)

[Scope of utility model registration request] 1. A Petri dish (1) filled with a culture medium (2) for culturing bacteria, a first lid (5) closing an upper end opening surface of the Petri dish (1), and an object to be inspected ( 12)
A sponge body (3) for collecting bacteria from the above;
A ring-shaped wall body (7) is projected on the upper surface of the first lid body (5).
And the ring-shaped wall (7) formed by
In the space surrounded by the upper surface of the first lid (5), the sponge
A sponge body housing portion (4) for housing the body (3);
By fitting on the upper end of the ring-shaped wall body (7),
When closing the upper end opening of the sponge body housing (4),
In addition, the sponge body (3) for collecting bacteria is provided inside the closed surface.
The fixed second lid body (6) and the sponge body accommodating portion
When the water-retentive base sheet is placed on the inner surface of the bottom wall of (4),
A bacterial test tool comprising a tap water treatment sheet impregnated with sodium bisulfate .