JPH07140135A - Stool sampling stick - Google Patents

Abstract

PURPOSE:To provide a stool sampling stick which can be elongated at the time of sampling and in which only the sampling stick can be used in the following process. CONSTITUTION:The stool sampling stick comprises a sampling stick 40 having a metric hole 41 on the forward end side, and a holding part 42 coupled through a small diameter part 42 with the sampling stick 40 at the base end part. The sampling stick 40 can be separated freely from the holding part 43 by the small diameter part 42. A plurality of protrusions 43a are formed on the surface of the holding part 43.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a fecal sampling stick device used for detecting fecal occult blood.

[0002]

2. Description of the Related Art A fecal occult blood detection device that can be easily operated by anyone, not only a technician but also an ordinary person (examinee), in colorectal cancer examinations such as mass examinations and next-generation OTC (over-the-counter) medicines has no doubt. Is being considered. In this case, the fecal occult blood detection device should not be uncomfortable and unsanitary.

The detection of occult blood in fecal excrement is a very valuable means as a screening method for colorectal cancer with poor initial subjective condition, and it is widely used for early detection and treatment in the diagnosis of many pathological conditions such as digestive system. It is carried out in various medical institutions.

Detection methods can be roughly classified into two types. These consist of a chemical method for detecting the iron ion of hemoglobin and an immunization method using an antibody (SPIA method etc.).

In any of the cases, fecal occult blood is detected by using a feces collecting tool such as a spoon or a stick for collecting feces. That is, using a toilet bowl,
Feces are directly applied to the test apparatus, or the feces are dissolved in the mixing solution, and then the fecal suspension is dropped on the test apparatus.

[0006]

As described above, it is considered that the demand for a detection device used in the fecal occult blood detection method, particularly in the immunological method which is superior in accuracy and sensitivity to the chemical method, will increase more and more in the future. In this case, in the fecal occult blood detection method by the immunological method, the determination result greatly changes due to a slight variation in the amount of collected feces. For this reason, it is important to collect a certain amount of stool, but it is difficult to scrape excess stool with paper etc. with a sampling tool such as a spoon (column) as well as a cylindrical stick, and it is difficult to remove a certain amount of stool. Harvesting is difficult. Especially, it is difficult for ordinary people to collect a certain amount of feces, and it is difficult to realize OTC.

Further, it is considered that the feces collecting tool used at the time of collecting feces is directly inserted into the fecal occult blood detecting device to mix the mixing solution and feces in the fecal occult blood detecting device. There is. In this case, it may be convenient for the tester if the feces collecting tool can be made long at the time of collecting feces and shortened at the time of insertion into the fecal occult blood detection device.

The present invention has been made in consideration of the above point, and it is possible to accurately collect a predetermined amount of stool, and to lengthen it at the time of collecting stool and then shorten it according to the purpose. An object of the present invention is to provide a fecal sampling stick device capable of achieving the above.

[0009]

The invention according to claim 1 is
A stool collection stick having a measurement hole formed on the distal end side and a holding portion connected to the base end of the stool collection stick via a small diameter portion are provided, and the stool collection stick is separated from the holding portion by the small diameter portion. It is a stool collection stick device which is characterized by being free.

According to a second aspect of the present invention, there is provided a stool collection stick having a measuring hole formed on the distal end side, and a holding portion connected to the base end of the stool collection stick via a small diameter portion. The stick is separable from the holding part by a small diameter part, and the holding part is telescopically expandable and contractible.

[0011]

According to the first aspect of the present invention, the holding portion is held and the stool collection stick is pierced from the tip side into the stool and pulled out. After that, the fecal sampling stick is separated from the holding portion from the small diameter portion.

According to the second aspect of the present invention, the telescopic holding part is extended during use, the base end side of the holding part is held, and the stool collection stick is pierced from the tip end side into the stool and pulled out. Then, the fecal sampling stick is separated from the holding portion from the small diameter portion.

[0013]

Embodiments of the present invention will be described below with reference to the drawings. 1 to 4 are views showing a first embodiment of a fecal sampling stick device according to the present invention.

First, the fecal occult blood detection device using the fecal collection stick device will be described with reference to FIG.

The fecal occult blood detection device is a fecal collection stick 40.
Container made of synthetic resin with a container inside and an opening on one side 11
And a synthetic resin sealing lid 15 mounted on the opening side of the container 11. Of these, the container 11 is pre-filled with a solution to be mixed with feces. Moreover, the sealing lid 1
5 is mounted on the container 11 by engaging an inner screw 15a provided on the inner peripheral surface with an outer screw 11a provided on the outer peripheral surface of the container 11.

The sealing lid 15 has a sealing film 17 at the end opposite to the container 11, and the sealing lid 1
An outer screw 15b is provided on the outer periphery of the No. 5. Further, the end of the sealing lid 15 on the container 11 side is in contact with a flange 19 provided on the container 11 to maintain the hermeticity.

A detection body 20 is attached to the closed lid 15. The detector 20 has a case 21 provided with an inner screw 21a, and the inner screw 21a is attached to the outer lid 15 by engaging the outer screw 15b of the outer lid 15. The case 21 is made of a transparent synthetic resin material, and in the inside thereof, a cutting portion 23, a filter portion 25, a detection plate 27 having an antibody fixing portion 30, and an absorption pad 32 are provided in order from the side of the closed lid 11. ing. Of these, the detection plate 27 having the antibody fixing portion 30 and the absorption pad 32 constitute a determination portion.

Of these, the cutting portion 23 is adapted to break the seal film 17 when the detecting body 20 is attached to the sealing lid 15. The filter portion 25 removes impurities in the fecal suspension flowing from the container 11 side, and antibody sensitizing particles 29 are provided between the detection plate 27 and the filter portion 25. The particles 29 are gold,
Metal particles of silver, selenium, or the like or colored latex or the like is used, and the particle size is preferably 1 nm to 100 nm, and may be provided in the filter part 25 or on the detection plate 27.

The detection plate 27 is arranged along the longitudinal direction of the case 21 between the filter portion 25 and the absorption pad 32, and permeates the stool suspension and senses the antibody passing along with the stool suspension. When the particles are positive, the antibody fixing unit 30 traps them. The detection plate 27
Is made of nitrocellulose, glass fiber filter, chromatography paper, PVDF (trade name), nylon-based or polyester-based nonwoven fabric, and the like. A hemoglobin antibody is immobilized on the antibody immobilization portion 30. Further, excess stool suspension and antibody-sensitized particles pass through the detection plate 27 and are absorbed by the absorption pad 32.

Next, the stool collection stick device according to the present invention will be described with reference to FIGS. As shown in FIG. 1 to FIG. 3, the fecal sampling stick device 45 has a measuring hole 41 on the tip side.
The stool collection stick 40 formed with the stool and the elongated holding portion 43 connected to the base end of the stool collection stick 40 via the small diameter portion 42. The stool collection stick device 45 is made of synthetic resin as a whole, and the stool collection stick 4 is
0 is separable from the holding portion 43 by the small diameter portion 42.

Here, FIG. 1 (a) is a plan view of the fecal sampling stick device, and FIG. 1 (b) is a side view thereof. 2 (a) is an enlarged plan view of the holding portion, and FIG. 2 (b) is a side view thereof. Further, FIG. 3 (a) is an enlarged plan view of the fecal sampling stick, and FIG. 3 (b) is a side sectional view thereof.

Next, referring to FIGS. 2A and 2B, the holding portion 43
Will be described. The holding portion 43 is a portion to be held when collecting feces, and the holding portion 4 is provided on the surface of the holding portion 43 for easy holding.
A plurality of protrusions 43a are provided in a direction orthogonal to the longitudinal direction of the groove 3, and the protrusions 43a form irregularities on the surface of the holding portion 43.

Next, the stool collection stick 40 will be described with reference to FIGS. The tip of the stool collection stick 40 is formed in a triangular shape so that it can be easily stuck in the stool. A plurality of, for example, two measuring holes 41, 41 are provided on the tip end side of the stool collection stick 40.

Each metering hole 41 communicates with the first communication hole 41a which is opened on one side surface of the stool collection stick 40, and the second communication hole 41a which is communicated with the first communication hole 41a and is opened on the other side surface of the stool collection stick 40. It is composed of a communication hole 41b.
The internal space of each of the first communication hole 41a and the second communication hole 41b has a substantially rectangular parallelepiped shape, and the volume inside the measuring hole 41 is set to a predetermined value.

Further, the axis 46a of the first communication hole 41a is slightly displaced to the tip side of the stool collection stick 40 with respect to the axis 46b of the second communication hole 41b.

Next, the operation of this embodiment having such a configuration will be described. First, the holding portion 43 of the stool collection stick device 45 shown in FIG. 1 is held, and the stool collection stick 40 is pierced from the tip side into the stool and then withdrawn. In this case, first, the stool enters from the first communication hole 41a of the measuring hole 41 to the second communication hole 41a.
Air reaching the communication holes 41b and the air in the first communication holes 41a and the second communication holes 41b is exhausted outward from the second communication holes 41b. Next, when the stool collection stick 40 is pulled out, the second
Stool enters the remaining space in the communication hole 41b, and the stool is filled in the metering hole 41 in this manner.

Next, the stool collecting stick is wiped off with a squeegee (not shown), and a certain amount of stool is collected in the measuring hole 41 in this manner. Next, the stool stick 40
It is separated from the holding portion 43 by the small diameter portion 42.

Next, the stool collection stick 40 is inserted into the container 11 which is filled with the solution for mixing in advance, and the container 11 is sealed by the sealing lid 15. Next, the container 11 sealed by the sealing lid 15 is shaken well, the stool and the solution are mixed, and the stool suspension is thus obtained.

Subsequently, the case 21 of the detector 20 is attached to the closed lid 15. In this case, the outer screw 15 of the sealing body 15
The inner screw 21a of the case 21 is engaged with b, and the sealing body 15
The case 21 of the detection body 20 is pushed in while being rotated to the outside. When the case 21 is completely attached to the sealing lid 15, the cutting portion 23 breaks the seal film 17,
The fecal suspension in the container 11 flows into the detection body 20 side through the seal film 17. The fecal suspension that has flowed into the detector 20 then passes through the filter unit 25. During this period, impurities in the fecal suspension are removed by the filter unit 25.

Next, the fecal suspension that has passed through the filter portion 25 permeates the inside of the detection plate 27 together with the antibody-sensitized particles 29 toward the absorption pad 32 side. When the stool is positive, the antibody-sensitized particles 29 in the stool suspension are trapped in the antibody fixing part 30. In this way, the antibody-sensitized particles 29 trapped in the antibody-fixing section 30 exhibit a color in the antibody-fixing section 30,
This result can be confirmed from the outside of the case 21.

During this period, since the excess stool suspension and antibody-sensitized particles are absorbed by the absorbent pad 32, the stool suspension and antibody-sensitized particles 29 can smoothly permeate into the detection plate 27. it can.

As described above, according to this embodiment,
Since the holding part 43 of the stool collection stick device 45 can be held and used in a long state during stool collection, it is possible to collect stool without feeling discomfort or unsanitary feeling. Further, when the fecal occult blood detecting device is used, the fecal sampling stick 40 can be separated from the holding portion 43 and only the fecal sampling stick 40 can be inserted into the fecal occult blood detecting device.

Next, a second embodiment of the fecal sampling stick device according to the present invention will be described with reference to FIG. The stool collection stick device according to the second embodiment shown in FIG. 5 is different from the stool collection stick device shown in FIGS. 1 to 3 only in the structure of the holding portion.

As shown in FIG. 5, the stool collection stick device 4
5 is a stool collection stick 40 and this stool collection stick 40
And a holding portion 50 connected to the base end of the through the small diameter portion 42.

In FIG. 5, the holding portion 50 is composed of telescopic support portions 50a, 50b, 50c and 50d which slide with each other. In addition, each support portion 50a, 50b, 50c, 50
d has a cylindrical shape and is adapted to slide and expand by sliding on each other. In addition, the telescopic support parts 50a, 50b, 50c, 5
Reference numeral 0d denotes an extended state, and a convex portion (not shown) provided on the outer surface of the telescopic support portion located inside is a concave portion (not shown) provided on the inner surface of the telescopic support portion located outside. ), And thus the extended telescopic supports 50a, 50b, 50c, 50d are fixed in that state. By pressing the holding part 50 from both sides, the engagement between the convex part and the concave part is released, and the telescopic support part 50a,
50b, 50c, 50d are designed to shrink as a whole.

In FIG. 5, the telescopic support parts 50a, 50b, 50c and 50d of the pre-use holding part 50 are in a contracted state. At the time of stool collection, telescopic support parts 50a, 50b, 50c,
50d is extended, and the convex portion of the telescopic support portion located inside engages with the concave portion of the telescopic support portion located outside so that the telescopic support portions 50a, 50b, 50c, 50d. Is fixed in the stretched state.

The stool collection stick 40 is pierced from the distal end side into the stool with the base end (the telescopic support part 50a) side of the holding part 50 thus extended held. After that, the stool collecting stick 40 is wiped off by a squeegee and separated from the holding portion 50 by the small diameter portion 42.

According to the present embodiment, the holding portion 50 can be compactly stored before use and can be stretched to an appropriate length during stool collection, so that stool collection can be performed without feeling discomfort or unsanitary feeling. Can be done.

[0039]

As described above, according to the present invention,
Since the holding portion of the stool collecting stick device can be held for a long time during stool collection, it is possible to collect stool without feeling discomfort or unsanitary feeling. Further, after the stool collection, the stool collection stick is separated from the holding part by the small diameter part, so that only the stool collection stick having been collected can be used in the subsequent step.

[Brief description of drawings]

FIG. 1 is a diagram showing the entire first embodiment of a fecal sampling stick device according to the present invention.

FIG. 2 is an enlarged view of a holding portion of the fecal sampling stick device.

FIG. 3 is an enlarged view of the stool collection stick of the stool collection stick device.

FIG. 4 is a side sectional view of a fecal occult blood detection device using a fecal collection stick device.

FIG. 5 is a diagram showing the entire second embodiment of the fecal sampling stick according to the present invention.

[Explanation of symbols]

 40 Stool collection stick 41 Measuring hole 42 Small diameter part 43 Holding part 45 Stool collection stick device 50 Holding part 50a, 50b, 50c, 50d Nesting type support part

Claims (2)

[Claims] 1. A stool collection stick having a metering hole formed on the distal end side, and a holding portion connected to the base end of the stool collection stick via a small diameter portion, wherein the stool collection stick has a small diameter portion. A fecal sampling device, which is separable from the holding part. 2. A stool collection stick having a metering hole formed on the distal end side, and a holding portion connected to the base end of the stool collection stick via a small diameter portion, wherein the stool collection stick has a small diameter portion. A fecal sampling stick device, which is separable from the holding part, and the holding part is telescopically expandable.