JPH11316222A - Stool sampling container - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a stool sampling container eliminating a risk of infection with a virus or bacteria and good in the accuracy and reproducibility of examination. SOLUTION: A stool sampling container includes a stool sampling rod 1, a tubular member 2, and a container main body 3. Both ends of the tubular member 2 are opened so as to insert the stool sampling rod 1 in a freely advancing and retreating state, and the container main body 3 is closed at its base end part by a closure film 31 into which the stool sampling rod and be inserted, and has a dripping part 32 closed by an easily openable closure means 41 at its leading end. The outer wall of the stool sampling rod 1, the inner wall of the tubular member 2, the leading end part of the tubular member 2, and the base end part of the container main body 3, are respectively engaged in a liquidtight manner.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

TECHNICAL FIELD The present invention relates to a clinical test sample,
A convenient stool especially useful for collecting stool used as a sample to detect occult blood, enzymes, viruses, etc., and transporting it in suspension in a stool lysis buffer in a container. Regarding the collection container.

[0002]

2. Description of the Related Art Fecal occult blood testing is widely used for screening for colorectal cancer and rectal cancer. In general, a specimen is prepared and inspected at a hospital based on stool collected at home. In qualitative analysis using latex, there is a restriction on the amount of stool at the time of sample preparation, so the designated stool bar is used, but the exact amount of stool is collected using the stool bar In the past, it was difficult to remove excess stool by collecting the stool and then wiping the stool stick with paper or the like.

[0003] However, the stool is dirty and has a strong smell. When the stool is wiped off with paper or the like, the stool may accidentally adhere to the hand or the like. The creator of the specimen often suffered from bad smell, which was a problem. In the case of a conventional sample container containing a stool lysis buffer, especially for some subjects such as the elderly, even if the lid is intended to be closed after stool collection, it cannot be completely closed, and during transportation. Liquid leakage sometimes occurred.

[0004] To solve the above-mentioned problem, Japanese Unexamined Utility Model Publication No. 2-140468 discloses a stool collection container. This stool collection container is one in which an elongated container main body having a drip portion at the tip is sealed with a lid with a stick, a rubber stopper having a stick insertion hole is fixed inside the container main body, and the lid and the container main body are fixed. The gap is sealed with an O-ring, and a malt and a filter are provided inside the drip part. Insert a stick into the rubber stopper insertion hole and wipe off excess stool attached to the stick. Has become. However, this stool collection container also requires an expensive rubber stopper, and the rubber stopper must be fixed inside the container body, which increases the cost of the stool collection container and reduces the possibility of dropping stool suspension. Since it is necessary to pierce the sealing part of the drip part with a piercing machine, it takes time and troubles, and there is a risk that the hand may be soiled, and it is necessary to wash the piercing machine each time. ing.

In order to improve the disadvantages of the stool container disclosed in Japanese Utility Model Laid-Open Publication No. 2-140468, Japanese Unexamined Patent Publication No.
As disclosed in JP-A-186227, the container includes a container body containing a liquid, a lid provided with a stool collection rod, and a drip portion. By allowing the stool sample to be wiped off, and by piercing the thin end face of the tip of the drip portion, the stool sample dissolved by the liquid is filtered by the filter provided at the lower part of the container body, and is quantitatively dropped. And a container body containing a liquid whose intermediate part is closed with a thin film, a sampling means, and a cap for closing a lower part of the container body as disclosed in JP-A-8-292189. A thin film piercing the thin film by the sampling portion of the sampling means so that excess stool sample of the sampling means can be wiped off, and a closing portion of a nozzle provided on the cap member is removed. And a, have been proposed feces collection containers to be dropped into quantitatively on determination chromatographic specimen filtrate.

However, in any case, these stool collection containers are in a state where the tip of the stool collection stick to which stool adheres is exposed. In the meantime, there is a risk of soiling the hands and surroundings of the worker, and accidentally attaching the stool to the outer wall of the container when inserting the stool collection stick with the stool into the container containing the suspension. Therefore, the method is troublesome, is dirty, and may be infected with a virus or a bacterium.

[0007]

SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a stool collection container which has no risk of being infected with a virus or a bacterium and has a high accuracy and reproducibility of a test. And

[0008]

Means for Solving the Problems The present inventors have made intensive studies in view of the above-mentioned circumstances, and as a result, until the stool collection stick with the stool is inserted into the container containing the suspension, the stool has been removed. The present invention has been completed by assuming that the collection section may be accommodated in an appropriate hollow container. That is, the present invention provides a stool collection rod having a grasping part at the base end and a stool collection part at the tip, a tubular member having open ends at both ends through which the stool collection rod can be inserted so as to be able to advance and retreat, and a base end part having the collection part. A container body provided with a drip portion closed with a closing means that can be easily opened at the tip and closed with a closing film that can be pierced with a toilet rod, wherein the outer wall of the toilet rod and the inner wall of the tubular member are liquid. A stool collection container in which the distal end portion of the tubular member and the base end portion of the container body are liquid-tightly engaged while being tightly engaged. Here, as a means for closing the dripping portion, a thin film that can be easily broken, a closure that can be easily twisted at a fragile portion, a rubber cap, or the like is preferably adopted.

According to the above configuration, the stool collection portion can be exposed from the tubular member or housed in the tubular member by advancing or retracting the stool collection rod in the tubular member. By storing the stool collection unit in the tubular member until it is attached to the container body, contamination by the stool sample can be avoided. In addition, since the stool collection part of the stool collection rod is inserted into the container body by piercing the closing membrane of the container body, extra stool collected while the stool collection part pierces the closing membrane. The sample is removed and a fixed amount of stool sample is collected in the container body.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, embodiments of the present invention will be described with reference to the drawings. FIG. 1 is a longitudinal sectional view showing one embodiment of the present invention, FIG. 2 is a diagram showing a state of the stool collection rod shown in FIG. 1 and a tubular member at the time of stool collection, and FIG. FIG. 4 is a diagram showing a state in which the feces collection rod is inserted into the container main body in FIG. 1. FIG. 5 is a view showing another embodiment of the dropping section shown in FIG. 1, and FIG. 6 is a view showing still another embodiment of the dropping section.
As shown in FIG. 1, the stool collection container of the present invention includes a stool collection rod 1, a tubular member 2, and a container body 3, and the tubular member 2 has both ends so that the stool collection rod 1 can be inserted and retracted freely. Is open, and the container body 3 has a closing membrane 3 whose base end can be pierced with the feces sampling rod 1.
1 and is provided at its tip with a drip portion 32 which is closed by a closing means 4 which can be easily opened. The outer wall of the stool collection rod 1 and the inner wall of the tubular member 2, and the distal end of the tubular member 2 and the proximal end of the container body 3 are each liquid-tightly engaged.

As shown in FIGS. 2 and 3, the stool collection rod 1 has a relatively large-diameter grip portion 11 at the base end, which is a portion to be gripped by hand at the time of stool collection. And a relatively small diameter stool collection unit 12 for collection. The stool collection unit 12 is provided with a groove 121, a notch, and a hole (not shown) for attaching stool. Gripper 11
The portion between the stool collection unit 12 and the stool collection unit 12 has an outer diameter slightly smaller than the inner diameter of the tubular member 2, and the outer wall thereof has a male screw that is screwed with a female screw 21 described later provided on the inner wall of the tubular member 2. 1
3 and 14 are provided. Female screw 21 and male screw 13,
By the screwing of 14, the space between the outer wall of the feces sampling rod 1 and the inner wall of the tubular member 2 is sealed in a liquid-tight manner. The male screw may be provided on the entire part except the grip part 11 and the stool collection part 12, but as shown in FIG. 2, it is provided only on the part close to the grip part 11 and the stool collection part 12, and the male screws 13 and 14 are provided. It is preferably formed discontinuously. By making the male threads 13 and 14 discontinuous, it is easy for the feces collection rod 1 in the tubular member 2 to advance and retreat, and when the feces collection rod 1 is retracted in the tubular member 2, the male threads 14 are removed. Abuts against the female screw 21 of the tubular member 2 to prevent the feces collection rod 1 from retreating. Therefore, by screwing the male screw 14 and the female screw 21, the stool collection unit 12 can be easily accommodated in a predetermined position of the tubular member 2. be able to.

Both ends of the tubular member 2 are open, so that the feces sampling rod 1 can be inserted to be able to advance and retreat. At the base end of the tubular member 2, a female screw 21 screwed with the male screws 13 and 14 of the stool collection rod 1 is provided so as to protrude from the inner wall. The male screw 13 and the female screw 21 are sometimes screwed together, and the male screw 14 and the female screw 21 are screwed together when the stool collection portion 12 of the stool collection rod 1 is accommodated in the tubular member 2. The distal end of the tubular member 2 and the proximal end of the container body 3 are screwed together. In FIG. 1, a male screw 22 provided on the outer wall of the distal end of the tubular member 2 is provided with a proximal end of the container body 3 described later. The female screw 32 provided on the inner wall is screwed. A thread-tight connection between the male screw 22 and the female screw 32 provides a liquid-tight seal between the distal end of the tubular member 2 and the proximal end of the container body 3. The inner wall of the tubular member 2 has a male screw 2
An annular projection 23 for centering the stool collection bar 1 may be provided near the stool 2. Further, a female screw 24 screwed with the male screw 14 may be provided on the base end side in the vicinity of the tubular projection 23. Regarding the screwing of the tubular member 2 and the container body 3, a female screw (not shown) is provided on the inner wall of the distal end of the tubular member 2,
A male screw (not shown) provided on the outer wall at the base end of the container body 3 may be screwed.

The container body 3 is a cylindrical container in which a stool-dissolving buffer (not shown) is housed, and its base end is closed by a closing membrane 31 that can be pierced by the stool collection rod 1. Has been
A dripping section 33 is provided at the tip. The closing membrane 31 is a thin film provided in the vicinity of the base end, and an excess portion of the stool sample collected by the stool sampling rod 1 is inserted into the container body 3 by piercing the stool sampling rod 1 through the closing membrane 31. When doing so, it is to be wiped here. The drip portion 33 is closed by a closing means that can be easily opened, and the closing means can be removed at the time of use. As the closing means, a thin film 41 as shown in FIG. 1, a closing body 42 which can be broken by a fragile portion 421 as shown in FIG. 5, a rubber cap 43 as shown in FIG. If necessary, a filter 34 for removing solid matter in the sample may be provided on the base end side adjacent to the dropping part 33.

As a material for forming the stool collection container, for the stool collection rod 1, for example, an ABS resin or a synthetic resin such as polyethylene or polypropylene is suitably adopted. For the tubular member 2 and the dropping portion 33, for example, polyethylene or polypropylene, Flexible resins such as polyvinyl chloride and polyester
For the container body, a transparent synthetic resin such as polyethylene, polypropylene, polyvinyl chloride, polyester, and polystyrene is preferably employed. As the rubber cap 43, butyl rubber, isoprene rubber, or the like can be used. In addition, a solution containing a trace amount of sodium azide or ammonium chloride as a preservative is used as the stool dissolution buffer.

Next, the use of the stool collection container of the present invention will be described with reference to the drawings. In a stool collection container as shown in FIG. 1 (the stool collection rod 1 and the tubular member 2 are generally removed from the container body 3), first, the stool collection rod 1 as shown in FIG. Prepare the one inserted in the member 2 and
A stool sample is attached to 2 and collected. Next, when the male screw 13 of the feces collection rod 1 is removed from the female screw 21 of the tubular member 2 and the feces collection rod 1 is retracted and the male screw 14 and the female screw 21 are screwed together, FIG.
The stool collection unit 12 is housed in the substantially tubular member 2 as described above.
Next, as shown in FIG. 1, the male screw 22 of the tubular member 2 is screwed with the female screw 32 of the container body 3 (at this time, the space between the outer wall of the tubular member 2 and the inner wall of the container body 3 is sealed in a liquid-tight manner. Then, the male screw 14 of the feces sampling rod 1 and the female screw 21 of the tubular member 2 are unscrewed from each other, and the feces sampling rod 1 is moved forward, and the feces sampling rod 1 pierces the closing membrane 31 of the container body 3. In this case, since the excess stool sample attached to the stool collection unit 12 is wiped off, a fixed amount of stool sample is collected in the container body 3. If the male screw 13 of the stool bar 1 and the female screw 21 of the tubular member 2 are screwed together (see FIG. 4), the space between the outer wall of the stool bar 1 and the inner wall of the tubular member 2 is sealed in a liquid-tight manner. In addition, a stool sample (hereinafter referred to as a specimen) spontaneously dissolved in an internal stool lysis buffer and leaked does not leak. If the thin film 41 of the dropping portion 33 is broken by a dedicated spike (not shown) or the like, the specimen can be dropped from the dropping portion 33 and used for an inspection.

[0016]

As is clear from the above description, by employing the stool collection container of the present invention, contamination by the stool sample can be avoided until the tubular member is attached to the container body after stool collection. Since it is possible, there is no risk of infection with viruses or bacteria, and it is sanitary.

[Brief description of the drawings]

FIG. 1 is a longitudinal sectional view showing one embodiment of the present invention.

FIG. 2 is a view showing a state of the stool collection rod and the tubular member shown in FIG. 1 at the time of stool collection.

FIG. 3 is a view showing a state in which the stool collection rod is retracted in FIG. 2;

FIG. 4 is a view showing a state where the feces collection rod is inserted into the container main body in FIG. .

FIG. 5 is a sectional view showing another embodiment of the dropping unit shown in FIG. 1;

FIG. 6 is a sectional view showing another embodiment of the dropping unit shown in FIG. 1;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Stool collection rod 11 Gripping part 12 Stool collection part 121 Groove 13, 14 Male screw 2 Tubular member 21 Female screw 22 Male screw 23 Annular groove 24 Female screw 3 Container main body 31 Closing membrane 32 Female screw 33 Dropping part 34 Filter 41 Thin film 42 Closure body 421 Fragile part 43 Rubber cap

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[Procedure amendment]

[Submission date] May 21, 1998

[Procedure amendment 1]

[Document name to be amended] Statement

[Correction target item name] 0012

[Correction method] Change

[Correction contents]

Both ends of the tubular member 2 are open, so that the feces sampling rod 1 can be inserted to be able to advance and retreat. At the base end of the tubular member 2, a female screw 21 screwed with the male screws 13 and 14 of the stool collection rod 1 is provided so as to protrude from the inner wall. The male screw 13 and the female screw 21 are sometimes screwed together, and the male screw 14 and the female screw 21 are screwed together when the stool collection portion 12 of the stool collection rod 1 is accommodated in the tubular member 2. The distal end of the tubular member 2 and the proximal end of the container body 3 are screwed together. In FIG. 1, a male screw 22 provided on the outer wall of the distal end of the tubular member 2 is provided with a proximal end of the container body 3 described later. The female screw 32 provided on the inner wall is screwed. A thread-tight connection between the male screw 22 and the female screw 32 provides a liquid-tight seal between the distal end of the tubular member 2 and the proximal end of the container body 3. The inner wall of the tubular member 2 has a male screw 2
An annular projection 23 for centering the stool collection bar 1 may be provided near the stool 2. Further, a female screw 24 screwed with the male screw 14 may be provided on the base end side in the vicinity of the annular projection 23. Regarding the screwing of the tubular member 2 and the container body 3, a female screw (not shown) is provided on the inner wall of the distal end of the tubular member 2,
A male screw (not shown) provided on the outer wall at the base end of the container body 3 may be screwed.

[Procedure amendment 2]

[Document name to be amended] Statement

[Correction target item name] Explanation of sign

[Correction method] Change

[Correction contents]

[Description of Signs] 1 Stool collection rod 11 Gripping part 12 Stool collection part 121 Groove 13, 14 Male screw 2 Tubular member 21 Female screw 22 Male screw 23 Annular protrusion 24 Female screw 3 Container body 31 Closing membrane 32 Female screw 33 Dropping part 34 Filter 41 Thin film 42 Closure 421 Fragile part 43 Rubber cap

Claims (4)

[Claims] 1. A stool collection bar having a grasping portion at a base end and a stool collection portion at a tip end, a tubular member having open ends at both ends through which the stool collection bar can be inserted so as to be able to advance and retreat, and a base end portion having the collection portion. A container body provided with a drip portion closed by a closing means which can be easily opened at the tip and which is closed with a closing membrane which can be pierced with a toilet rod,
A stool collection container in which the outer wall of the stool collection rod and the inner wall of the tubular member are liquid-tightly engaged, and the distal end of the tubular member and the base end of the container body are liquid-tightly engaged. 2. The stool collection container according to claim 1, wherein the means for closing the drip portion is a thin film that can be easily broken. 3. The stool collection container according to claim 1, wherein the means for closing the drip portion is a closure that can be easily twisted off at the fragile portion. 4. The stool collection container according to claim 1, wherein the means for closing the drip portion is a rubber cap.