WO2016170657A1 - Microcentrifuge tube holding device - Google Patents

Abstract

This microcentrifuge tube holding device (100) is provided with an accommodating unit (2) that accommodates a tube main body (11) in a substantially vertical direction with one end, which is provided with an opening part, oriented upward and holds the outer peripheral surface of the tube main body (11), and an affixing unit (3) that is provided outside of the accommodating unit (2) and affixes a cover (12) for a microcentrifuge tube (10), the tube main body (11) of which is held by the accommodating unit (2), in a position lower than the one end of the tube main body (11).

Description

Microtube holding device

The present invention relates to a microtube holding device.

Conventionally, micro tubes (microcentrifugation tubes) are used as sample containers in automatic analyzers. In the automatic analyzer, it is important to hold the microtube in a predetermined position and posture in order to accurately execute the pipetting operation of the sample in the microtube. The microtube has a tube main body having an opening at the upper end, and a lid connected to the upper end of the tube main body via a hinge portion, and in particular, the lid protruding from the upper end of the tube main body This interferes with pipetting. Thus, a microtube holding device that holds the microtube while fixing the position of the lid has been proposed (see, for example, Patent Documents 1 and 2).

The microtube is used not only for an automatic analyzer but also for a laser microdissection (LMD) apparatus. The LMD apparatus cuts out a desired region in a section of living tissue supported on a stage with laser light, separates the cut-out piece from the section using gravity or the pressure of laser light, and drops it. Collect the fragments in the microtube placed below. Also at this time, it is necessary to pay attention to the position of the lid so that the lid of the microtube disposed under the stage does not interfere with the stage.

JP 2001-161342 A Japanese Patent No. 4500721

However, the microtube holding device of Patent Document 1 fixes the lid at a position protruding from the upper end of the tube body. Therefore, in use in a space where the height is limited, such as a space under the microscope stage, there is a problem that the protruding lid portion interferes with the use because it contacts the stage.

The microtube holding device of Patent Document 2 is configured to fix the lid portion at a position lower than the upper end of the tube body by pushing and bending the hinge portion. Since the hinge portion has high flexibility and is easily deformed, there is a problem that the lid portion rattles due to vibration or the like, and it is difficult to stably fix the lid portion at a fixed position.

This invention is made | formed in view of the situation mentioned above, Comprising: It aims at providing the microtube holding | maintenance apparatus which can be stably fixed to the position which does not interfere with a use of the cover part of a microtube. .

In order to achieve the above object, the present invention provides the following means.
The present invention includes a tube body having an opening at one end, a lid that covers the opening, and a hinge that connects the lid to one end of the tube body so that the opening can be opened and closed by the lid. A microtube holding device for holding a microtube having an accommodating portion for accommodating the tube main body in a substantially vertical direction with the one end facing upward, and holding an outer peripheral surface of the tube main body, and an outer side of the recording portion A microtube holding device provided with a fixing portion that is provided at a position lower than one end of the tube main body, and the lid portion in the open state of the microtube is held by the housing portion. provide.

According to the present invention, by housing the tube main body in the housing portion, the tube main body can be held by the housing portion in an upright posture in a substantially vertical direction. Also, the lid part is moved to a position lower than one end of the tube body by opening the hinge part, and the lid part is fixed by a fixing part at this position, so that the lid part is fixed at a position that does not hinder use. Can do. In this case, the lid portion can be stably fixed by pressing the lid portion having higher rigidity than the hinge portion with the fixing portion.

In the above invention, the front fixing portion is a state in which the tube main body is stored at a predetermined height or less in the storage portion, and the lid portion is arranged at the lowest lowest position with respect to the tube main body. In the above, it may be provided at a height that holds and fixes a predetermined part of the lid.
In this way, when the tube body is accommodated at a position higher than the predetermined height in the accommodating portion, the predetermined portion is fixed even if the lid portion is moved in the opening direction and disposed at the lowest position. Cannot reach the department. Therefore, the user can reliably accommodate the tube main body in the accommodating portion to a predetermined height or less by performing an operation of pressing a predetermined part of the lid portion with the fixing portion.

In the above invention, the fixing portion may be fixed by pressing an end portion on the opposite side of the hinge portion of the lid portion in the open state with respect to the housing portion from the substantially horizontal outer side.
By doing in this way, a lid | cover part can be stably fixed by pressing down the edge part of the lid | cover part which does not contact the sample in a tube main body.

In the above invention, the lid portion is provided so as to protrude from the inner surface of the lid portion, has a cylindrical portion that is inserted into the opening portion in the closed state, and the fixing portion is the lid portion in the open state. The cylindrical portion may be fixed by pressing from the upper side in the substantially vertical direction.
By doing so, it is possible to prevent the upward movement of the lid portion from being locked by the fixed portion, and to prevent the tube main body from moving upward in the housing portion and jumping out from the housing portion.

In the above invention, the fixing portion may press the outer peripheral surface of the lid portion in the open state from the upper side in the substantially vertical direction.
By doing so, it is possible to prevent the upward movement of the lid portion from being locked by the fixed portion, and to prevent the tube main body from moving upward in the housing portion and jumping out from the housing portion.

In the said invention, you may provide the elastic member which is provided in the bottom part of the said accommodating part and elastically shrinks in a perpendicular direction.
By doing in this way, the urging | biasing force of the closing direction by an elastic member acts on the cover part currently hold | suppressed by the fixing | fixed part, and a cover part closely_contact | adheres with respect to a fixing | fixed part. Thereby, shakiness of a cover part can be prevented and a cover part can be fixed more stably.

According to the present invention, there is an effect that the lid portion of the microtube can be stably fixed at a position that does not hinder use.

It is a side view of the microtube holding device concerning a 1st embodiment of the present invention. It is the rear view seen from the fixing | fixed part side of the microtube holding | maintenance apparatus of FIG. 1A. It is a side view of the microtube used in the microtube holding | maintenance apparatus of FIG. 1A. It is a front view of the microtube of FIG. 2A. It is a side view of the modification of the microtube holding | maintenance apparatus of FIG. 1A. It is a side view of another modification of the microtube holding | maintenance apparatus of FIG. 1A. It is a side view of the microtube holding | maintenance apparatus which concerns on the 2nd Embodiment of this invention. It is the rear view seen from the fixing | fixed part side of the microtube holding | maintenance apparatus of FIG. 5A. It is a side view of the other modification of the microtube holding | maintenance apparatus of FIG. 5A. It is the rear view seen from the fixing | fixed part side of the microtube holding | maintenance apparatus of FIG. 6A. It is a side view of the other modification of the microtube holding | maintenance apparatus of FIG. 5A. It is the rear view seen from the fixing | fixed part side of the microtube holding | maintenance apparatus of FIG. 7A. It is a side view of the other modification of the microtube holding | maintenance apparatus of FIG. 5A. It is the rear view seen from the fixing | fixed part side of the microtube holding | maintenance apparatus of FIG. 8A. It is a perspective view of other modifications of the microtube holding device of Drawing 5A. It is a side view of the other modification of the microtube holding | maintenance apparatus of FIG. 5A. It is the rear view seen from the fixing | fixed part side of the microtube holding | maintenance apparatus of FIG. 10A. It is a side view of the microtube holding | maintenance apparatus which concerns on the 3rd Embodiment of this invention. It is the rear view seen from the fixing | fixed part side of the microtube holding | maintenance apparatus of FIG. 11A. It is the front view seen from the accommodating part side of the microtube holding | maintenance apparatus of FIG. 11A. FIG. 11B is a perspective view of another modification of the microtube holding device of FIG. 11A. FIG. 11B is a perspective view of another modification of the microtube holding device of FIG. 11A. It is a side view of the other modification of the microtube holding | maintenance apparatus of FIG. 11A. It is the rear view seen from the fixing | fixed part side of the microtube holding | maintenance apparatus of FIG. 14A.

(First embodiment)
A microtube holding device 100 according to a first embodiment of the present invention will be described with reference to FIGS. 1A to 4.
As shown in FIGS. 1A and 1B, the microtube holding device 100 according to the present embodiment has a posture in which a microtube 10 used in molecular biological analysis, biochemical analysis, or the like is upright in a substantially vertical direction. It is for holding.

As shown in FIGS. 2A and 2B, the microtube 10 includes a tube main body 11, a lid 12 that closes an opening at the upper end of the tube main body 11, and the tube main body 11 that can be opened and closed. The hinge part 13 connected with an upper end is provided.
The tube main body 11 is a substantially cylindrical container having a substantially conical bottom portion, and an annular flange portion 11a protruding outward in the radial direction is provided on the outer peripheral surface of the upper end.
On the flat inner surface 12a of the lid portion 12, a cylindrical portion 12b having an outer diameter dimension slightly smaller than the inner diameter dimension of the opening portion of the tube body 11 and capable of being inserted into the opening portion is provided.

The hinge portion 13 has an elongated shape having high flexibility, and one end is connected to the upper end of the tube body 11 and the other end is connected to the outer peripheral surface of the lid portion 12. As shown by a two-dot chain line in FIG. 2A, the hinge portion 13 is deformed between a shape that is bent by approximately 180 ° in a U shape and a shape that is bent by approximately 90 ° on the opposite side. Is swingable between a closed position for closing the opening and a lowest position located on the bottom side with respect to the tube main body 11.

As shown in FIG. 1A and FIG. 1B, the microtube holding device 100 includes a base portion 1, and a storage portion 2 and a fixing portion 3 fixed to the base portion 1.
The base portion 1 is a member having a flat upper surface 1a, and is disposed so that the upper surface 1a is horizontal with the upper surface 1a facing upward. 1A and 1B show only one set of the accommodating portion 2 and the fixing portion 3, but a plurality of sets of the base portion 1 and the fixing portion 3 may be provided at intervals on the upper surface 1a. .

The housing part 2 is made of a cylindrical member having both ends opened. The accommodating part 2 is provided on the upper surface 1a so that the longitudinal axis is orthogonal to the upper surface 1a, and is arranged upright in a substantially vertical direction. The accommodating portion 2 has an inner diameter that is slightly larger than the outer diameter of the tube main body 11, and the outer peripheral surface of the tube main body 11 inserted in the accommodating portion 2 from above is the inner periphery of the accommodating portion 2. It is to be supported by the surface. In FIG. 1A and FIG. 1B, the housing portion 2 has a height dimension that covers only a part of the lower side of the tube body 11, but the height dimension that covers the entire tube body 11 except the flange portion 11 a. You may have.

The fixing portion 3 is a wall-like member that is provided upright at a position away from the housing portion 2 in the radial direction of the housing portion 2 and extends in a tangential or circumferential direction of the housing portion 2. Of the outer surface of the fixed portion 3, the inner surface facing the housing portion 2 is a pressing surface 3 a that presses the lid portion 12. When the lid portion 12 of the microtube 10 in which the tube body 11 is inserted into the housing portion 2 is disposed at the lowest position, the inner surface 12a of the lid portion 12 is directed outward in the radial direction of the housing portion 2. The pressing surface 3a is provided at a position where the inner surface 12a of the lid portion 12 in this state is disposed. As a result, the pressing surface 3a is configured so that the inner surface 12a of the lid 12 is pressed from the outside in the horizontal direction against the housing 2 at a position where the entire lid 12 is disposed below the upper end of the tube body 11. The swing of the part 12 in the closing direction is locked.

Here, the pressing surface 3a is arranged such that the tube main body 11 in the housing portion 2 is disposed at a height position (the deepest position) where the bottom portion abuts against the upper surface 1a, and the lid portion 12 is disposed at the lowest position. In the state, it is provided up to a height that contacts only the front end portion (the end portion opposite to the hinge portion 13) of the inner surface 12 a of the lid portion 12. Therefore, when the tube main body 11 is shallowly inserted into the housing portion 2 and the bottom portion of the tube main body 11 is disposed at a position floating from the upper surface 1a, the lid portion 12 is disposed even when the lid portion 12 is disposed at the lowest position. The distal end portion does not reach the pressing surface 3 a, and the lid portion 12 cannot be fixed by the fixing portion 3.

Next, the operation of the microtube holding device 100 configured as described above will be described.
In order to hold the microtube 10 in the microtube holding device 100 according to the present embodiment, the base portion 1 is arranged so that the upper surface 1a is substantially horizontal, the tube body 11 is disposed, and the bottom portion is the upper surface 1a of the base portion 1. Is inserted into the accommodating portion 2 up to the deepest position in contact with the housing. Next, the lid portion 12 is swung in the opening direction until the lid portion 12 is disposed at the lowest position, and the tip end portion of the lid portion 12 is inserted into the gap between the storage portion 2 and the fixing portion 3. Hook on the holding surface 3a. Thereby, the cover part 12 can be fixed to a position that does not hinder the use of the microtube 10 with the opening part opened.

In this case, when the tube main body 11 is not inserted into the housing portion 2 and the tube main body 11 is not inserted to the deepest position, the tip of the lid portion 12 cannot be hooked on the pressing surface 3a. Therefore, in the process of installing the microtube 10 in the microtube holding device 100, the user can be surely aware of the fact that the insertion amount of the tube main body 11 is shallow, and the lid portion 12 is fixed to the fixing portion. The tube body 11 can be reliably installed at the deepest position of the housing part 2 by performing the operation of fixing by 3.

When the tube body 11 is inserted in a state of floating in the housing part 2, the amount of protrusion of the tube body 11 from the housing part 2 increases. Therefore, when the microtube 10 is used in a space with a limited height, such as a space under the microscope stage, the upper end of the tube main body 11 can easily come into contact with surrounding members.

According to the present embodiment, the tube main body 11 is appropriately installed in the housing portion 2 so that the protruding amount of the tube main body 11 from the housing portion 2 is minimized. Therefore, there is an advantage that it is possible to prevent the upper end of the tube main body 11 from coming into contact with surrounding members when used in a space where the height is limited.
Further, by pressing the lid portion 12 having higher rigidity than the hinge portion 13, there is an advantage that the lid portion 12 can be stably fixed by suppressing rattling of the lid portion 12 due to vibration or the like. .

Further, by pressing the lid portion 12 at the tip portion farthest from the hinge portion 13, a force required for locking the lid portion 12 in the closing direction can be reduced. Therefore, there is an advantage that the lid portion 12 can be stably fixed while having a simple configuration in which the wall-like fixing portion 3 is provided in the vicinity of the housing portion 2.

In the present embodiment, the inner surface 12a of the distal end portion of the lid portion 12 is pressed by the pressing surface 3a. Alternatively, as shown in FIG. 3, the hook 12c may be pressed by the pressing surface 3a. .
The microtube 10 with a safe lock has a hook 12 c protruding from the inner surface 12 a on the inner surface 12 a of the tip of the lid portion 12. When the hook 12c is hooked on the flange portion 11a in the closed position, the lid portion 12 is not easily opened. When using such a microtube 10 with a safe lock, the lid 12 can be fixed by pressing the hook 12c against the housing portion 2 from the horizontal direction with the pressing surface 3a.

When the microtube 10 with a safe lock is used, the fixing portion 3 is directed from the inner surface of the fixing portion 3 toward the housing portion 2 as shown in FIG. 4 instead of or in addition to the pressing surface 3a. It may have a pressing surface 3 b that protrudes and faces the upper surface 1 a of the base portion 1. The pressing surface 3b is provided at a height position where a portion on the hinge portion 13 side facing upward is disposed on the outer surface of the hook 12c in a state where the lid portion 12 is disposed at the lowest position.
By adopting a structure in which the hook 12c arranged at the lowest position is pressed downward toward the base portion 1 by the pressing surface 3b, the microtube 10 moves upward due to vibration applied to the microtube holding device 100 or the like. There is an advantage that the tube body 11 can be stably held at the deepest position in the housing portion 2.

(Second Embodiment)
Next, a microtube holding device 200 according to a second embodiment of the present invention will be described with reference to FIGS. 5A to 10B.
The microtube holding device 200 according to the present embodiment is different from the microtube holding device 100 of the first embodiment in that the cylindrical portion 12b of the lid portion 12 is pressed from above.

In the present embodiment, as shown in FIGS. 5A and 5B, the fixing portion 31 has a pressing surface 3 c that protrudes from the inner surface to the housing portion 2 side and faces the upper surface 1 a of the base portion 1. The pressing surface 3c is the hinge portion 13 side of the outer peripheral surface of the cylindrical portion 12b in a state where the tube main body 11 is disposed at the deepest position in the accommodating portion 2 and the lid portion 12 is disposed at the lowest position. Is provided at a position where the portion is arranged. By hooking the cylindrical portion 12b on the pressing surface 3c from below, the lid portion 12 can be fixed by locking the swinging of the lid portion 12 in the closing direction.
Other configurations of the microtube holding device 200 are the same as those of the microtube holding device 100 of the first embodiment.

According to this embodiment, when the tube main body 11 is not inserted to the deepest position of the housing portion 2, the outer peripheral surface of the cylindrical portion 12b of the lid portion 12 cannot be hooked on the pressing surface 3c. Therefore, the user performs the operation of fixing the lid portion 12 with the fixing portion 31, so that the tube body 11 is brought to the deepest position of the housing portion 2 so that the protruding amount of the tube body 11 from the housing portion 2 is minimized. There is an advantage that it can be reliably installed.

Further, by pressing the lid portion 12 having higher rigidity than the hinge portion 13, there is an advantage that the lid portion 12 can be stably fixed by suppressing rattling of the lid portion 12 due to vibration or the like. .
Further, by adopting a structure in which the cylindrical portion 12b is pressed downward toward the base portion 1 by the pressing surface 3c, the microtube 10 is prevented from moving upward due to vibrations applied to the microtube holding device 200, etc. There exists an advantage that the tube main body 11 can be stably hold | maintained in the deepest position in the accommodating part 2. FIG.

In the present embodiment, the shape of the fixing portion 31 may be modified as shown in FIGS. 6A to 8B.
The fixed portion 31 in FIGS. 6A and 6B has a circular hole 4 penetrating in the radial direction of the accommodating portion 2. Of the inner peripheral surface of the hole 4, a pressing surface 3 c is configured by a part on the upper side, and the cylindrical portion 12 b inserted into the hole 4 is pressed by the pressing surface 3 c.

As shown in FIGS. 7A and 7B, the fixing portion 31 connects the inside of the hole 4 and the outside of the fixing portion 31 in the tangential direction or the circumferential direction of the housing portion 2, and allows the lid portion 12 to pass therethrough. You may have. By rotating the tube main body 11 around the longitudinal axis in the housing portion 2, the lid portion 12 can be inserted into the hole 4 from the side via the passage 5. The shape of the hole 4 and the channel | path 5 can be changed suitably, for example, as shown to FIG. 8A and FIG. 8B, the substantially semi-ellipse opened to a side may be sufficient.

Further, in the present embodiment, instead of the wall-shaped fixing portion 31 shown in FIGS. 5A to 8B, as shown in FIG. 9, between the open position and the pressing position around the axis parallel to the upper surface 1a. Alternatively, a rod-shaped fixing portion 311 provided so as to be rotatable and movable may be employed. The open position is a position where the fixing portion 311 does not contact the microtube 10 in which the tube main body 11 is inserted in the housing portion 2. The pressing position is a position where the fixing portion 311 presses the cylindrical portion 12b from the upper side at a position lower than the upper end of the tube main body 11 inserted into the accommodating portion 2. According to the fixing portion 311, the lid portions 12 of the plurality of microtubes 10 can be fixed at a time.

Further, in the present embodiment, as shown in FIGS. 10A and 10B, an elastic member (for example, a compression member) that can be elastically contracted in the height direction (substantially vertical direction) of the housing portion 2 at the bottom portion in the housing portion 2. (Spring or sponge) 6 may be provided.
The tube body 11 is inserted into the accommodating portion 2 while resisting the elastic restoring force of the elastic member 6. When the lid 12 is urged in the closing direction by the elastic member 6, the outer peripheral surface of the cylindrical portion 12b comes into close contact with the pressing surface 3c. Thereby, shakiness of the cover part 12 can be prevented, and the cover part 12 can be more stably fixed by the pressing surface 3c.
10A and 10B further includes the pressing surface 3a described in the first embodiment, and is configured to press both the cylindrical portion 12b and the hook 12c. Thereby, the cover part 12 can be more stably fixed.

(Third embodiment)
Next, a microtube holding device 300 according to a third embodiment of the present invention will be described with reference to FIGS. 11A to 14B.
The microtube holding device 300 according to this embodiment is different from the microtube holding devices 100 and 200 of the first and second embodiments in that the fixing portion 32 presses the shoulder portion of the lid portion 12 from above. .

In this embodiment, the fixing | fixed part 32 has 3 d of pressing surfaces which protrude in the accommodating part 2 side rather than the inner surface facing the outer peripheral surface of the accommodating part 2, as FIG. 11A and FIG. 11B show. The pressing surface 3d is a position where the two shoulder portions of the lid portion 12 are arranged in a state where the tube main body 11 is arranged at the deepest position in the housing portion 2 and the lid portion 12 is arranged at the lowest position. Is provided. The shoulder portions are portions on both sides of the hinge portion 13 adjacent to the hinge portion 13 on the outer peripheral surface of the lid portion 12. By hooking the shoulder on the pressing surface 3d from below, the lid 12 can be fixed by locking the swinging of the lid 12 in the closing direction.
The fixing portion 32 may further include the pressing surface 3a described in the first embodiment.

As shown in FIG. 11C, the housing 2 can insert the tube body 11 from the side rather than from above. That is, the accommodating portion 2 has an insertion port 2a formed over the entire width in the height direction on the opposite side to the fixed portion 32, and is formed from a flexible material. Thereby, the tube main body 11 can be press-fitted into the accommodating portion 2 from the insertion port 2a. In this case, the lid portion 12 may be inserted into the hole 4 and then the tube body 11 may be inserted into the housing portion 2 and held.
Other configurations of the microtube holding device 300 are the same as those of the microtube holding device 100 of the first embodiment.

According to this embodiment, when the tube main body 11 is not inserted to the deepest position of the accommodating part 2, the shoulder part of the cover part 12 cannot be hooked on the pressing surface 3d. Therefore, the user performs the operation of fixing the lid portion 12 with the fixing portion 32, so that the tube body 11 is brought to the deepest position of the housing portion 2 so that the protruding amount of the tube body 11 from the housing portion 2 is minimized. There is an advantage that it can be reliably installed.
Further, by pressing the lid portion 12 having higher rigidity than the hinge portion 13, there is an advantage that the lid portion 12 can be stably fixed by suppressing rattling of the lid portion 12 due to vibration or the like. .

In addition, by adopting a structure in which the shoulder portion of the lid portion 12 is pressed downward toward the base portion 1 by the pressing surface 3d, the microtube 10 is moved upward due to vibration applied to the microtube holding device 300 or the like. There is an advantage that the tube main body 11 can be stably held at the deepest position in the housing portion 2.

In the present embodiment, the fixing portion 32 may be modified as shown in FIGS. 12 to 14B.
The fixed portion 32 of FIG. 12 is provided at the upper end portion of the housing portion 2 and is two projecting members projecting outward in the radial direction, and is provided integrally with the housing portion 2. Of the outer peripheral surface of the fixing portion 32, the lower portion constitutes the pressing surface 3d. The fixing part 32 in FIG. 12 may be used in combination with the fixing part 3 that presses the inner surface 12a or the hook 12c of the tip part of the lid part 12 described in the first embodiment. In this case, instead of the wall-shaped fixing part 3, an arbitrary form of fixing part may be adopted. For example, as shown in FIG. 12, an elastic member such as a coil spring may be used as the fixing portion 3 and the inner surface 12a of the lid portion 12 may be pressed by the outer peripheral surface (pressing surface) of the elastic member. According to the fixing portion 3 made of an elastic member, any of the plurality of lid portions 12 can be removed from the fixing portion 3.

The fixed portion in FIG. 13 includes a movable bar 321 provided to be rotatable between an open position and a holding position around an axis parallel to the upper surface 1a, and a plurality of protrusions provided on the movable bar 321 so as to protrude in the radial direction. And a pair of presser bars 322. The open position is a position where the movable bar 321 and the pressing bar 322 do not contact the microtube 10 in which the tube main body 11 is inserted in the housing portion 2. The pressing position is a position where the pressing bar 322 presses the shoulder portion of the lid portion 12 from the upper side at a position lower than the upper end of the tube main body 11 inserted into the housing portion 2. At the pressing position, the hinge portion 13 is sandwiched between the pair of pressing rods 322 so that the two shoulder portions are pressed by the outer peripheral surface (pressing surface) of the pressing rod 322. A lock mechanism 7 for fixing the movable bar 322 to the pressing position may be further provided. According to this fixing portion, the lid portions 12 of the plurality of microtubes 10 can be fixed at a time.
In FIGS. 12 and 13, reference numerals are partially omitted in order to prevent the drawings from becoming complicated.

Also in this embodiment, as shown in FIGS. 14A and 14B, the elastic member 6 may be provided at the bottom of the housing portion 2. In FIG. 14A and FIG. 14B, the arm-shaped fixing portion 32 protruding from the upper end of the housing portion 2 presses not only the shoulder portion of the lid portion 12 but also the inner surface 12a.

100, 200, 300 Microtube holding device 2 Accommodating portion 3, 31, 32 Fixing portion 3a, 3b, 3c, 3d Holding surface 6 Elastic member 10 Microtube 11 Tube body 12 Lid portion 12a Inner surface 12b Cylindrical portion 12c Hook 13 Hinge portion

Claims (6)

A microtube having a tube main body having an opening at one end, a lid that covers the opening, and a hinge that connects the lid to one end of the tube main body so that the opening can be opened and closed by the lid. A microtube holding device for holding,
An accommodating portion for accommodating the tube body in a substantially vertical direction with the one end facing upward, and holding an outer peripheral surface of the tube body;
A fixing portion that is provided outside the housing portion and fixes the lid portion in an open state of the microtube in which the tube body is held in the housing portion at a position lower than one end of the tube body. Microtube holding device. In the state where the tube main body is accommodated at a predetermined height or less in the accommodating portion and the lid portion is disposed at the lowest position with respect to the tube main body in the accommodating portion, The microtube holding device according to claim 1, wherein the microtube holding device is provided at a height at which a predetermined portion is pressed and fixed. The said fixing | fixed part presses and fixes the edge part on the opposite side to the said hinge part among the said cover parts of an open state with respect to the said accommodating part from the substantially horizontal direction outer side of Claim 1 or Claim 2. Microtube holding device. The lid portion is provided to protrude from the inner surface of the lid portion, and has a cylindrical portion that is inserted into the opening portion in a closed state,
The microtube holding device according to any one of claims 1 to 3, wherein the fixing portion presses and fixes the cylindrical portion from the upper side in a substantially vertical direction among the lid portions in the open state. The microtube holding device according to any one of claims 1 to 3, wherein the fixing portion fixes an outer peripheral surface of the lid portion in an open state by pressing from an upper side in a substantially vertical direction. The microtube holding device according to any one of claims 1 to 5, further comprising an elastic member that is provided at a bottom portion of the housing portion and elastically contracts in a substantially vertical direction.

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