JP2015105902A - Body fluid container and body fluid sampling device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a body fluid container and body fluid sampling device capable of preventing reduction of body fluid or medicinal solution.SOLUTION: The body fluid container 500 includes: an inner storage unit 502 having an inner cavity unit capable of storing the body fluid sampled by a body fluid sampler 300; an inner lid unit for blocking the inner cavity unit of the inner storage unit; an outer storage unit 501 that has an outer cavity unit into which the inner storage unit can be inserted and stores the inner storage unit in the outer cavity unit; and an outer lid unit for blocking the outer cavity unit in a state in which the inner storage unit whose inner cavity unit is blocked by the inner lid unit is inserted into the outer cavity unit.

Description

  The present invention relates to a body fluid container and a body fluid collecting device for housing body fluids and chemicals.

  2. Description of the Related Art Conventionally, a body fluid container capable of housing body fluid such as blood and urine used for a test for diagnosing a human health condition is known (see, for example, Patent Document 1). In the conventional body fluid container, the body fluid is prevented from leaking by attaching a lid made of rubber or the like to the container that contains the body fluid.

JP 2010-190731 A

  By the way, when storing bodily fluids used for testing in a bodily fluid container, it is necessary to put in advance in the bodily fluid container a chemical solution for preventing the bodily fluids from being destroyed during the period from when the bodily fluids are collected until they are tested. There is. In recent years, the improvement of body fluid collection methods and inspection methods has progressed, and the amount of body fluids used for inspection tends to be reduced (for example, 2 μl to 20 μl). Therefore, there is a tendency for the amount of the chemical solution previously placed in the body fluid container to be reduced.

  The chemical solution is stored in the body fluid container when the body fluid container is manufactured. Since the body fluid container is manufactured and used, there are a distribution period and a storage period, and a long time is required. Therefore, the chemical liquid evaporates and the amount of the chemical liquid may decrease. When the amount of bodily fluids or chemicals is small, a decrease in a small amount of chemicals can affect the examination of bodily fluids.

  However, in the conventional body fluid container, a reduction in the amount of body fluid or chemical solution has not been considered. Therefore, simply reducing the size of the conventional body fluid container in response to a reduction in the required amount of the medical fluid reduces the chemical fluid due to evaporation, leakage, etc., thereby reducing the accuracy of analysis of the body fluid. was there.

  Then, this invention is made | formed in view of these points, and it aims at providing the bodily fluid container and bodily fluid collection | recovery apparatus which can prevent the reduction | decrease of a bodily fluid or a chemical | medical solution as much as possible.

  The body fluid container according to the first aspect of the present invention includes an inner housing part having an inner cavity part capable of housing a body fluid collected by a body fluid collector, and an inner lid part closing the inner cavity part of the inner container part. And an outer housing portion having an outer cavity portion for housing the inner housing portion, and the inner housing portion in a state where the inner cavity portion is closed by the inner lid portion is inserted into the outer cavity portion. And an outer lid portion that closes the outer cavity portion.

  The body fluid container includes a foldable inner coupling portion that couples the inner lid portion and the inner housing portion, and a foldable outer coupling portion that couples the outer lid portion and the outer housing portion. , May be further provided.

  Further, the inner housing portion has a projecting portion that projects toward the outer housing portion in a direction orthogonal to the direction in which the inner housing portion is inserted into the outer housing portion, and the outer housing portion projects from the projecting portion. You may have a fixing | fixed part which fixes the said inner side accommodating part to the said outer side cavity part by contacting a part.

  The inner lid portion includes a first inner lid portion having a thickness corresponding to the width of the protruding portion, and a second inner lid portion having a diameter smaller than that of the first inner lid portion. In a state where the lid portion closes the inner cavity portion, the first inner lid portion is in contact with the projecting portion in the inner cavity portion, and the second inner lid portion is located on the inner cavity portion with respect to the projecting portion. It may be located on the side where body fluid is stored.

  A bodily fluid collecting device according to a second aspect of the present invention includes a bodily fluid collecting device that collects bodily fluids and the bodily fluid container described above, and the bodily fluid collecting device has a diameter larger than the internal diameter of the inner cavity portion. The distance between the tip of the bodily fluid collector and the tip of the inner cavity is larger than a predetermined value in a state where the tip is inserted into the inner housing portion up to the position.

  A bodily fluid collecting device according to a third aspect of the present invention includes a bodily fluid collecting device for collecting bodily fluids and the bodily fluid storage device, and the bodily fluid sampling device is inserted into the inner housing portion. In such a state, it has a positioning part that determines the position of the bodily fluid collector by contacting at least one of the inner housing part or the outer housing part, and the positioning part is the inner housing part or the outer housing part In a state where the bodily fluid collector is inserted into the inner housing portion up to a position in contact with at least one of the above, the distance between the tip of the bodily fluid collector and the tip of the inner cavity is greater than a predetermined value.

  According to the present invention, there is an effect that it is possible to prevent a decrease in body fluids and chemicals as much as possible.

It is a figure which shows the structure of the bodily fluid sampling device which concerns on 1st Embodiment. It is a side view of an outside container. It is a side view of an inner container. It is an enlarged view of the outer lid portion and the vicinity of the inner lid portion. It is sectional drawing of an outer side cover part and inner side cover vicinity. It is sectional drawing of an inner side coupling part. It is a figure which shows the shape of a bodily fluid collector. It is sectional drawing (modification) of an inner side coupling | bond part.

<First Embodiment>
FIG. 1 is a diagram showing a configuration of a body fluid sampling device 1000 according to the first embodiment. The body fluid sampling device 1000 includes a body fluid collector 300 and a body fluid container 500. Although the body fluid container 500 has a cylindrical shape, FIG. 1 shows an internal state in which the body fluid container 500 is inserted into the body fluid collector 300.

  The body fluid collector 300 includes a suction unit 1, a main body unit 2, a blocking unit 3, and a pressure generating unit 4. The suction part 1, the main body part 2, the blocking part 3, and the pressure generating part 4 are made of, for example, a transparent or translucent resin material.

  When the user immerses the tip of the suction unit 1 in the body fluid to be collected, the body fluid is sucked into the suction unit 1 and accumulated in the suction unit 1 by capillary action. The suction part 1 has two cavities 13a and 13b, and absorbs body fluid through one of them.

  The main body 2 has an air passage through which a gas for discharging the body fluid sucked by the suction unit 1 is passed. Specifically, the air passage causes the gas to flow toward the suction unit 1 by the pressure generated by the pressure generation unit 4 to move the gas for discharging body fluid to the suction unit 1 side. For example, the body fluid accumulated in the suction part 1 is discharged by the air taken in from the outside flowing through the air passage 21 (air passages 21a and 21b).

  The blocking unit 3 is provided between the main body unit 2 and the suction unit 1. The blocking portion 3 is formed with a tapered cavity having a smaller inner diameter on the main body 2 side than the inner diameter on the suction portion 1 side. The blocking unit 3 blocks body fluid sucked by the suction unit 1 from flowing into the main body unit 2.

  The body fluid container 500 stores the chemical liquid injected at the time of manufacture in order to prevent destruction of the body fluid and the body fluid discharged from the body fluid collector 300. Specifically, the body fluid container 500 includes an outer container 501 and an inner container 502, and stores the drug solution and the body fluid in the inner container 502 housed in the outer container 501. The user presses the pressure generating unit 4 in a state where the body fluid collecting device 300 in a state where body fluid is accumulated in the suction unit 1 is inserted into the body fluid container 500, whereby the body fluid accumulated in the suction unit 1 is stored in the inner container 502. Can be accommodated.

  FIG. 2 is a side view of the outer container 501. The outer container 501 includes an outer container 510, an outer lid part 512, and an outer coupling part 514. The outer accommodating portion 510 has an outer cavity portion 511 that accommodates the inner accommodating portion 520. The outer cavity 511 is a cavity having a shape equivalent to the shape of the inner container 502 formed inside the outer container 510.

  Further, the outer accommodating portion 510 has a fixing portion 513 that fixes the inner accommodating portion 520 to the outer cavity portion 511 by contacting a later-described protruding portion 523 formed in the inner container 502. The fixing portion 513 is an annular region formed on the inner wall of the outer housing portion 510 in the horizontal direction orthogonal to the direction in which the inner housing portion 520 is inserted.

The outer lid portion 512 closes the outer cavity portion 511 in a state where the inner housing portion 520 in a state where the inner cavity portion 521 is closed by the inner lid portion 522 described later is inserted into the outer cavity portion 511. The inner diameter of the outer lid portion 512 is larger than the outer diameter of the outer housing portion 510 at the opening side end portion of the outer cavity portion 511.
The outer joint portion 514 is a member that is formed into a shape that can be bent without breaking, and joins the outer lid portion 512 and the outer housing portion 510.

  FIG. 3 is a side view of the inner container 502. The inner container 502 includes an inner container 520, an inner lid 522, and an inner coupling part 524. The inner container 520 has an inner cavity 521 into which a body fluid collector 300 for collecting body fluid can be inserted, and stores the body fluid collected by the medicinal solution and the body fluid collector 300 for preventing destruction of the body fluid. The inner accommodating portion 520 has a shape that can be accommodated in the outer cavity portion 511, and protrudes toward the outer accommodating portion 510 in the horizontal direction perpendicular to the direction in which the inner accommodating portion 520 is inserted into the outer accommodating portion 510. Part 523.

  The inner lid portion 522 closes the inner cavity portion 521 of the inner housing portion 520 in a state where the body fluid collector 300 is not inserted. The inner lid portion 522 includes a first inner lid portion 522a having a thickness corresponding to the width of the protruding portion 523, and a second inner lid portion 522b having a smaller diameter than the first inner lid portion 522. Here, the width of the projecting portion 523 is the length of the projecting portion 523 in the direction in which the inner housing portion 520 is inserted into the outer housing portion 510. The thickness of the 1st inner side cover part 522a is the length which pulled the thickness of the member which comprises the protrusion part 523 from the width | variety of the protrusion part 523. FIG.

  In a state where the inner lid portion 522 closes the inner cavity portion 521, the first inner lid portion 522 a contacts the protruding portion 523, and the second inner lid portion 522 b stores the body fluid in the inner cavity portion 521 with respect to the protruding portion 523. Located on the side to be. Since the first inner lid portion 522a and the second inner lid portion 522b have such a shape, in the state where the inner lid portion 522 blocks the inner housing portion 520, the inner housing portion 520 and the inner lid portion 522 are not affected. Since the path connecting the outer space becomes longer, it becomes easier to prevent evaporation of body fluids and chemicals. Further, even in a state before the body fluid is stored in the inner cavity 521, it is possible to prevent a decrease in the chemical liquid stored in advance in the body fluid container.

  The inner coupling portion 524 is a member that is joined to the inner lid portion 522 and the inner housing portion 520 and is processed into a shape that can be bent without breaking. The inner coupling portion 524 is provided with unevenness formed continuously on at least one surface. Details of the shape of the inner coupling portion 524 will be described later.

  The inner housing portion 520, the inner lid portion 522, and the inner coupling portion 524 are configured using, for example, ABS resin or polycarbonate (PC) as a forming member. By using ABS resin or polycarbonate (PC) which hardly absorbs liquid, when body fluid is stored in the inner storage portion 520, it is possible to prevent body fluid from being absorbed into the inner storage portion 520 or the inner lid portion 522. Note that, as in the case where the chemical solution is stored only for a short period (for example, about one month), depending on the application, the forming member of the inner housing portion 520, the inner lid portion 522, and the inner coupling portion 524 may be made of polypropylene (PP) or the like. Other materials may be used.

  FIG. 4 is an enlarged view of the vicinity of the outer lid portion 512 and the inner lid portion 522. 4 is a side view of the outer lid portion 512, the outer coupling portion 514, the inner lid portion 522, and the inner coupling portion 524, and cross sections of the outer accommodation portion 510 and the inner accommodation portion 520 in a state where the inner accommodation portion 520 is inserted. The figure is shown.

  As shown in FIG. 4, the outer diameter at the end of the outer receiving portion 510 is R10, the inner diameter at the protruding portion 523 of the inner receiving portion 520 is R20, the inner diameter of the portion below the protruding portion 523 of the inner receiving portion 520 is R30, When the inner diameter of the outer lid portion 512 is r10, the diameter of the first inner lid portion 522a is r20, and the diameter of the second inner lid portion 522b is r30, the relationship of R10 <r10, R20> r20, R30> r30 is established. By satisfying such a relationship, the inner lid portion 522 can block the inner cavity portion 521, and the outer lid portion 512 is sealed with the outer cavity portion 521 while the inner lid portion 522 seals the inner cavity portion 521. The inner cavity 521 can be closed so that 510 is sealed and the inner lid 522 is covered. That is, the body fluid container 500 has a double sealed structure.

  FIG. 5 is a cross-sectional view of the vicinity of the outer lid 512 and the inner lid 522 in a state where the outer lid 512 and the inner lid 522 are closed. It can be seen that the inner cover 520 is sealed by the inner lid 522 being housed inside the protrusion 523 formed in the inner housing 520. Furthermore, since the outer lid portion 512 covers the inner lid portion 522 in close contact with the outer housing portion 510, it can be seen that high sealing performance is realized.

  It can also be seen that the inner coupling portion 524 is accommodated in a space formed between the inner lid portion 522, the outer lid portion 512, and the inner wall of the outer accommodation portion 510. Since the inner coupling portion 524 is formed to be bendable, it can be accommodated in a narrow space formed between the inner lid portion 522, the outer lid portion 512, and the inner wall of the outer accommodation portion 510. In addition, as shown in FIG. 5, it is preferable that the upper part of the fixing | fixed part 513 is formed in step shape so that the inner wall of the outer accommodating part 510 can accommodate the bent inner coupling part 524 as shown in FIG.

  FIG. 6 is a cross-sectional view of the inner coupling portion 524. The outer coupling part 514 may have the same cross section as the inner coupling part 524. FIG. 6A shows a state where the inner coupling portion 524 is extended. FIG. 6B shows a state where the inner coupling portion 524 is bent.

  As shown to Fig.6 (a), the inner side coupling | bond part 524 has the base part 524a and the several triangular-shaped protrusion part 524b formed in the base part 524a. The base portion 524a can be bent with a curvature larger than the curvature in the state in which the inner lid portion 522 is attached to the inner housing portion 520.

  As shown in FIG. 6B, when the inner coupling portion 524 is bent, the base portion 524a is bent and the directions of the plurality of protrusions 524b are changed. Specifically, each of the plurality of projecting portions 524b faces a predetermined position inside the bent inner coupling portion 524. Since the inner coupling portion 524 has such a shape, the inner coupling portion 524 is made of an ABS resin or polycarbonate having a property of being easily broken, and the inner lid portion 522, the outer lid portion 512, and the outer housing portion 510. In addition to being bent with a large curvature so as to fit in a narrow space formed between the inner wall and the inner wall, it can have sufficient strength.

  FIG. 7 is a view showing the shape of the body fluid collector 300. The body fluid collector 300 has a positioning portion 23 (23a, 23b) provided in a boundary region between a region inserted into the inner housing portion 520 and a region not inserted into the inner housing portion 520 in the main body 2. In FIG. 7, the two positioning parts 23, that is, the positioning part 23 a and the positioning part 23 b are shown, but the main body part 2 may have any number of positioning parts 23.

  The positioning unit 23 determines the position of the body fluid collector 300 by contacting at least one of the inner housing portion 520 and the outer housing portion 510 in a state where the body fluid collector 300 is inserted into the inner housing portion 520. For example, when the tip of the positioning part 23 hits the protruding part 523 by moving the body fluid collector 300 in the direction of insertion into the inner housing part 520, the body fluid collector 300 cannot move any further. In the state where the body fluid collector 300 is inserted into the inner housing portion 520 until the positioning portion 23 contacts at least one of the inner housing portion 520 and the outer housing portion 510, the distal end of the body fluid collector 300 and the inner housing portion The distance from the tip of the inner cavity 521 of 520 is greater than a predetermined value.

  For example, at the position where the distal end of the positioning portion 23 is in contact with the protruding portion 523, the distal end of the bodily fluid collector 300 is placed in the inner housing portion 520 in a state where a volume of bodily fluid that can be sucked by the suction portion 1 is housed in the inner housing portion 520. It is in a position where it does not touch the contained body fluid and chemicals. By doing in this way, it is prevented that the front-end | tip of the bodily fluid collector 300 touches a bodily fluid and a chemical | medical solution. Therefore, it is possible to prevent the amount of the body fluid and the chemical liquid stored in the inner storage unit 520 from decreasing due to the chemical liquid and the body fluid adhering to the tip of the body fluid collector 300.

  The length of the positioning portion 23 is determined based on the length of the suction portion 1 and the suckable amount. The longer the suction part 1 is, the longer the positioning part 23 is, and the larger the amount of body fluid that can be sucked by the suction part 1, the longer the positioning part 23 is. Can be prevented from coming into contact with the body fluid even when it is long and when the suctionable amount is large.

  The positioning part 23 is detachably attached to the main body part 2. For example, the positioning portion 23 has a convex portion that is fixed to the main body portion 2 by being inserted into a concave portion formed in the main body portion 2. Since the positioning part 23 can be attached to and detached from the main body part 2, the positioning part 23 can be replaced with an optimum length of the positioning part 23 according to the length of the suction part 1 and the suckable amount. Therefore, when the suction part 1 is replaceable in the body fluid collector 300, the user can perform suction while switching the aspirable amount of the body fluid collector 300 by replacing the positioning part 23 according to the replacement of the suction part 1. Even in the case of body fluid collectors 300 in different possible amounts, the same body fluid container 500 can be used.

<Modification 1>
In the above embodiment, an example in which the outer housing portion 510 and the outer lid portion 512 are coupled by the outer coupling portion 514 and the inner housing portion 520 and the inner lid portion 522 are coupled by the inner coupling portion 524. explained. However, the outer housing portion 510 and the outer lid portion 512 may not be coupled, and the inner housing portion 520 and the inner lid portion 522 may not be coupled.

<Modification 2>
In the above embodiment, the projecting portion 523 has been described as having an annular shape, but the projecting portion 523 may have another shape. For example, the protruding portion 523 includes four protrusions formed at the end of the inner storage portion 520 at an interval of 90 degrees, and the protrusions 523 come into contact with the fixing portion 513 so that the inner container 502 is outside. It may be configured to be fixed to the container 501.

<Modification 3>
In the above embodiment, the bodily fluid collector 300 is configured such that the positioning portion 23 provided in the main body 2 contacts at least one of the inner housing portion 520 and the outer housing portion 510, so The distance with the front-end | tip part of the inner side cavity part 521 of the accommodating part 520 was able to be larger than predetermined value. On the other hand, in a state where the body fluid collector 300 is inserted into the inner housing portion 520 to a position having a diameter larger than the inner diameter of the inner cavity portion 521, the distal end of the body fluid collector 300 and the distal end of the inner cavity portion 521 The distance may be larger than a predetermined value. That is, the body part 2 has a shape that becomes narrower as it approaches the tip, so that the body fluid collector 300 is inserted beyond a predetermined position in the inner housing part 520, and the suction part is sucked into the body fluid contained in the inner housing part 520. 1 can be prevented from contacting.

<Modification 4>
In the above embodiment, the configuration in which a plurality of inner coupling portions 524b are formed on one side of the inner coupling portion 524a of the inner coupling portion 524 has been described. However, the inner coupling portion 524 has a plurality of inner coupling portions 524b. It may be a rectangular parallelepiped. Further, as shown in FIG. 8, an inner coupling portion 524b and an inner coupling portion 524c may be formed on both sides of the inner coupling portion 524a.
6 and 8, the example in which the inner coupling portion 524b or the inner coupling portion 524c has a triangular shape has been described. However, other shapes may be used as long as the width at the tip is smaller than the width at the root.

  As mentioned above, although this invention was demonstrated using embodiment, the technical scope of this invention is not limited to the range as described in the said embodiment. It will be apparent to those skilled in the art that various modifications or improvements can be added to the above embodiment. It is apparent from the scope of the claims that the embodiments added with such changes or improvements can be included in the technical scope of the present invention.

DESCRIPTION OF SYMBOLS 1 Suction part 2 Main body part 3 Blocking part 4 Pressure generating part 13 Cavity part 21 Ventilation path 23 Positioning part 300 Body fluid collector 500 Body fluid container 501 Outer container 502 Inner container 510 Outer container 511 Outer cavity part 512 Outer cover part 513 Fixing portion 514 Outer coupling portion 520 Inner housing portion 521 Inner cavity portion 522 Inner lid portion 522 First inner lid portion 523 Projecting portion 524 Inner coupling portion 1000 Body fluid sampling device

Claims (6)

An inner housing portion having an inner cavity portion capable of housing body fluid collected by the body fluid collector;
An inner lid that closes the inner cavity of the inner housing;
An outer housing portion having an outer cavity portion for housing the inner housing portion;
An outer lid portion for closing the outer cavity portion in a state where the inner housing portion in a state where the inner cavity portion is closed by the inner lid portion is inserted into the outer cavity portion;
A body fluid container. A bendable inner coupling part for coupling the inner lid part and the inner housing part;
A bendable outer joint for joining the outer lid and the outer housing;
Further comprising
The body fluid container according to claim 1. The inner housing portion has a projecting portion that projects toward the outer housing portion in a direction perpendicular to the direction in which the inner housing portion is inserted into the outer housing portion,
The outer housing portion has a fixing portion that fixes the inner housing portion to the outer cavity portion by contacting the projecting portion.
The body fluid container according to claim 1 or 2. The inner lid portion includes a first inner lid portion having a thickness corresponding to the width of the protruding portion, and a second inner lid portion having a diameter smaller than that of the first inner lid portion,
In a state where the inner lid portion closes the inner cavity portion, the first inner lid portion is in contact with the projecting portion, and the second inner lid portion accommodates body fluid in the inner cavity portion with respect to the projecting portion. Located on the side
The body fluid container according to claim 3. A body fluid collector for collecting body fluids;
The body fluid container according to any one of claims 1 to 4,
A body fluid collecting device comprising:
In a state in which the body fluid collector is inserted into the inner housing portion up to a position having a diameter larger than the inner diameter of the inner cavity portion, the distance between the tip of the body fluid collector and the tip of the inner cavity portion is a predetermined value. Greater than,
Body fluid collection device. A body fluid collector for collecting body fluids;
The body fluid container according to any one of claims 1 to 4,
A body fluid collecting device comprising:
The bodily fluid collector is a positioning unit that determines a position of the bodily fluid collector by contacting at least one of the inner housing portion and the outer housing portion in a state where the bodily fluid collector is inserted into the inner housing portion. Have
In a state where the body fluid collector is inserted into the inner housing portion until the positioning portion is in contact with at least one of the inner housing portion or the outer housing portion, the tip of the body fluid collector and the inner cavity portion The distance from the tip is larger than the predetermined value,
Body fluid collection device.

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