JP7359446B2 - Biological tissue collection container - Google Patents

Description

Application of Article 30, Paragraph 2 of the Patent Act Published on August 18, 2020 at the Kinki Gastrointestinal Endoscopy Technicians Association General Meeting Exhibition

The present invention relates to a living tissue collection container for collecting living tissue such as a polyp collected using an endoscope.

Conventionally, as a living tissue collection container, as shown in Non-Patent Document 1, the interior of the container body into which living tissue collected with an endoscope is introduced is partitioned into a plurality of collection chambers, and each collection chamber is Some devices are designed to collect biological tissue.

In this biological tissue collection container, in order to sequentially collect biological tissues in a plurality of collection chambers, an identification mark for identifying the collection chambers is provided on the outer surface of the container body. For example, in the case of a device having four collection chambers, the number (1, 2, 3, 4), etc. of each collection chamber will be displayed.

However, in conventional biological tissue collection containers, the identification mark is provided at the same height as the collection chamber, so after the biological tissue is collected, the biological tissue collected in the collection chamber and the identification mark may overlap. Put it away. As a result, the collected biological tissue becomes difficult to see due to the identification display. Moreover, the identification display itself becomes difficult to see due to the collected biological tissue. Furthermore, when the biological tissue collected in the biological tissue collection container is examined in a pathology laboratory, testing center, etc., the identification display is difficult to see, leading to human errors such as mixing up the biological tissue.

"TrapEase Polyp Retrieval System", Boston Scientific, [Retrieved September 6, 2021], Internet <URL: https://www.bostonscientific.com/jp-JP/products/retrieval-device/ TrapEasePolypTraps.html＞

Therefore, the present invention has been made to solve the above-mentioned problems, and its main objective is to improve the visibility after collecting living tissue.

That is, the living tissue collection container according to the present invention is a living tissue collecting container for collecting living tissue collected by an endoscope, and includes a translucent container body into which the living tissue is introduced, and the container. a collection chamber that is removably housed in the main body and has a translucent property for collecting the biological tissue introduced into the container main body, the collection chamber being partitioned into a plurality of collection chambers; A collection net portion for collecting the living tissue is provided on the lower surface of the plurality of collection chambers, and a collection net portion is provided below each of the collection net portions on the outer circumferential surface of the collection chamber. It is characterized in that an identification mark indicating each collection chamber is provided.

In such a biological tissue collection device, an identification mark indicating each collection chamber is provided below each collection net on the outer peripheral surface of the collection chamber. Even after collecting the collected living tissue, the identification markings indicating each collection chamber do not overlap, and the visibility of the collected living tissue and the identification markings can be improved. As a result, it is possible to reduce human errors in the biological tissue collection work, and it is also possible to reduce human errors such as mixing up biological tissues when testing in a pathology laboratory, testing center, etc.

Specifically, the biological tissue collection container includes a lid that closes an upper opening of the container body, a lid that is provided on the lid, a tube from the endoscope connected to the collection chamber inside the container, and a lid that closes the upper opening of the container body. The container further includes a connection port that opens at the top, and a suction pipe section that is provided on the lid body, to which a suction device is connected, and that extends below the collection net section inside the container body. . The collection chamber used for collecting the living tissue can be switched by rotating the lid relative to the container body.
In this configuration, the effect of providing an identification mark indicating each collection chamber on the lower side of each collection net section can be made even more remarkable. In other words, since the visibility of the identification display is good when switching the collection chambers, it becomes easy to switch the collection chambers without error.

The lid has a downwardly extending protrusion indicating the position of the connection port with respect to the container body, and an identification mark indicating the position of the connection port is provided on the outer surface of the downward protrusion or in the vicinity thereof. It is desirable that a
With this configuration, in addition to providing the downward protrusion, an identification display indicating the downward protrusion is provided, so that the collection chamber can be easily switched.

It is desirable that a plurality of laterally extending protrusions are provided intermittently along the circumferential direction on the outer peripheral surface of the lid.
With this configuration, since the plurality of lateral protrusions are provided, the lid body can be easily rotated with respect to the container body. Here, it is desirable that the horizontal protrusions be provided at three locations at 90 degree intervals on the cylindrical lid.

It is desirable that a plurality of vertically extending protrusions are provided intermittently along the circumferential direction on the outer circumferential surface of the container body.
With this configuration, the container body becomes difficult to slip when the lid is rotated, and the lid can be easily rotated with respect to the container body.

It is conceivable that the collection chamber has a passage part that is formed outside the collection chamber and that passes through the living tissue.
In this configuration, in order to improve the visibility of the passage section and facilitate handling of the biological tissue collection container, an identification mark indicating the passage section is provided on the outer peripheral surface of the collection chamber. This is desirable.

In order to facilitate taking out the collection chamber from the container body, the collection chamber and the passage section are arranged around the central axis of the collection chamber, and are arranged at two locations facing each other with respect to the central axis. The passage part is formed, and the collection chamber is formed continuously between the two passage parts, and the collection chamber can be picked up through the two passage parts. It is desirable that the

In order to collect living tissue that has accidentally passed through the collection chamber, a container is removably housed in the container body, and is provided below the collection chamber so as to prevent the collection chamber from passing through the collection chamber. It is desirable to further include a lower collecting body that collects the living tissue that has passed through it.

In order to make it easier to take out the living tissue collected by the lower collector, it is desirable that the lower collector has a knob in the center.

According to the present invention described above, visibility after collecting living tissue can be improved.

FIG. 1 is a cross-sectional view showing the configuration of a biological tissue collection container according to an embodiment of the present invention at the time of biological sample collection. FIG. 2 is a cross-sectional view showing the configuration of the biological sample collection container of the same embodiment when the biological sample passes through it. It is a front view of the biological sample collection container of the same embodiment. FIG. 2 is a cross-sectional view showing an exploded state of the biological tissue collection container according to the same embodiment. FIG. 2 is a plan view, a cross-sectional view taken along line AA, and a side view of the lid of the same embodiment. FIG. 2 is a plan view, a sectional view taken along the line BB, and a sectional view taken along the line CC of the collection chamber according to the same embodiment. FIG. 3 is two side views of the collection chamber of the same embodiment. FIG. 2 is a plan view and a cross-sectional view taken along the line DD of the lower collector of the same embodiment. FIG. 7 is a front view of a biological sample collection container according to a modified embodiment. FIG. 7 is a cross-sectional view showing the configuration of a biological sample collection container according to a modified embodiment when a biological sample passes through the container.

Hereinafter, a living tissue collection container according to an embodiment of the present invention will be described with reference to the drawings.

<Biological tissue collection container 100>
As shown in FIG. 1, the living tissue collection container 100 of this embodiment is for collecting living tissue, such as a polyp, collected by an endoscope (not shown), and a tube T1 from the endoscope is used for collecting living tissue such as a polyp. At the same time, a tube T2 from a suction device (not shown) is also connected. Then, by suctioning from the suction device through the tube T2, the biological tissue collected from the endoscope through the tube T1 is sucked into the biological tissue collection container 100 and collected by the biological tissue collection container 100. . Note that the tube T1 and the tube T2 may be components of the living tissue collection container 100, or may be separate parts from the living tissue collection container 100. Further, the size of the tube T1 is adjusted according to the base of the endoscope to which it is connected.

Specifically, as shown in FIGS. 1 to 4, the biological tissue collection container 100 includes a container body 2 into which biological tissue is introduced, a lid 3 that closes an upper opening 2H of the container body 2, and a container body 2 that is housed in the container body 2. a collection chamber 4 that collects living tissue introduced into the container body 2; The lower collecting body 5 is provided.

Each part 2 to 5 will be explained in detail below.
As shown in FIG. 3, etc., the container body 2 has a bottomed cylindrical shape with an opening 2H at the top. The container body 2 is made of a translucent material, such as resin, so that the inside can be seen. Note that a plurality of vertically extending protrusions 21 are provided intermittently along the circumferential direction on the outer circumferential surface of the container body 2 in order to prevent the container body 2 from slipping when held.

As shown in FIGS. 4 and 5, the lid body 3 is a cylindrical resin cap that corresponds to the container body 2, to which the tube T1 from the endoscope is connected, and the collection chamber 4 is connected to the lid body 3. It has a connection port P1 that opens at the top, and a suction pipe section 31 that is connected to a suction device and that extends downward inside the container body 2.

The suction tube section 31 is provided coaxially with the central axis of the lid body 3. That is, when the lid body 31 is attached to the container body 2, the suction tube portion 31 is coaxial with the central axis of the container body 2. Further, the upper end portion of the suction tube portion 31 extends outward from the upper surface of the lid body 3, and this extended portion becomes a connection port P2 to which the tube T2 is connected.

Moreover, the lid body 3 has a downward protrusion 32 that extends downward and indicates the position of the connection port P1 with respect to the container body 2 when the lid body 3 is attached to the container body 2. An identification mark X1 indicating the position of the connection port P1 is provided on the outer surface of the downward protrusion 32 or on the outer surface of the lid body 3 above the downward protrusion 32. This identification display X1 is, for example, a sign or symbol such as an arrow.

In addition, a plurality of lateral protrusions 33 extending laterally are provided intermittently along the circumferential direction on the outer peripheral surface of the lid 3 in order to facilitate removal of the lid 3 from the container body 2. There is. The horizontal protrusions 33 of this embodiment are provided at three locations on the cylindrical lid body 3 at 90 degree intervals, and the two horizontal protrusions 33 located on both sides are arranged in a direction relative to the downward protrusion 32. They are provided at positions spaced apart by 90 degrees.

As particularly shown in FIG. 6, the collection chamber 4 is removably housed in the container body 2, and is partitioned by a partition wall 42 into a plurality of collection chambers 4S each having an open upper part. A collection net portion 43 for collecting living tissue is provided on the lower surface of each collection chamber 4S. Note that the collection net section 43 may be any member that can collect biological tissue of a desired size. Furthermore, the collection chamber 4 further includes a passage section 4T that is formed outside the collection chamber 4S and passes through the living tissue. This collection chamber 3 is made of a transparent material such as resin so that the inside can be visually recognized.

Specifically, in the collection chamber 4, the collection chamber 4S and the passage part 4T are arranged around the central axis of the collection chamber 4, and are connected to the cylindrical chamber body 41 and the internal space of the chamber body 41. A partition wall 42 that partitions into a plurality of (four in this case) collection chambers 4S along the circumferential direction, and a collection net portion 43 that forms the lower surface of the four collection chambers 4S partitioned by the partition wall 42. have. Note that in the space partitioned by the partition wall 42, a portion where the collection net portion 43 is not provided on the lower surface becomes a passage portion 4T. Furthermore, an insertion section 44 through which the suction tube section 31 of the lid body 3 is inserted is provided in the center of the collection chamber 4 . Thereby, the suction pipe section 31 extends below the collection net section 43 inside the container body 2 (see FIG. 1, etc.).

Further, in this collection chamber 4, passage portions 4T are formed at two locations facing each other with respect to the central axis, and two collection chambers 4S are continuously formed between each of the two passage portions 4T. It is configured such that the collection chamber 4 can be pinched with fingers via the two passage parts 4T.

As shown in FIG. 7, the collection chamber 4 of this embodiment is provided with an identification mark X2 indicating each collection chamber 4S. Specifically, this identification mark X2 is provided below each collection net portion 43 on the outer peripheral surface of the collection chamber 4. Here, since there are four collection chambers 4S, identification indicators X2 indicating the numbers of the collection chambers 4S such as "1", "2", "3", and "4" are provided. Note that the identification display X2 may be any other mark or symbol as long as it can distinguish each collection chamber.

Furthermore, as shown in FIG. 7, the collection chamber 4 of this embodiment is provided with an identification mark X3 indicating each passage section 4T. This identification display X3 is, for example, a sign or symbol such as a horizontal line "-". Similar to the identification display X2, this identification display X3 is also provided below each collection net portion 43 on the outer peripheral surface of the collection chamber 4.

As shown in FIG. 8, the lower collector 5 is removably housed in the container body 2, and has a collection net portion 51 that is circular in plan view. The lower collector 5 is made of a translucent material, such as resin, so that the inside can be visually recognized. Note that an insertion portion 52 is provided in the center of the lower collector 5, through which the suction tube portion 31 of the lid 3 is inserted. Thereby, the suction pipe portion 31 extends below the lower collector 5 inside the container body 2. Furthermore, a knob 53 that can be pinched with a finger is provided at the upper part of the insertion section 52.

Next, a method for assembling the biological tissue collection container 100 of this embodiment will be described with reference to FIG. 4 and the like.
First, the lower collector 5 is housed inside the container body 2. At this time, the lower collector 5 can be accommodated by pinching the knob 53. Note that the lower collector 5 is accommodated in a floating state from the bottom wall of the container body 2 by engaging with a stepped portion 22 formed on the inner circumferential surface of the container body 2.

Next, the collection chamber 4 is housed inside the container body 2 . At this time, the two passage portions 4T of the collection chamber 4 can be pinched and accommodated. Further, the height position of the collection chamber 4 is fixed by contacting the lower collection body 5. Furthermore, a recess 23 into which a protrusion 45 formed on the outer circumferential surface of the collection chamber 4 fits is formed on the inner circumferential surface of the container body 2 . The circumferential position is fixed.

Next, the lid 3 is attached to the upper opening 2H of the container body 2. At this time, the suction tube section 31 of the lid body 3 is inserted through the insertion section 44 of the collection chamber 4 and the insertion section 52 of the lower collector 5. Through the above steps, the biological tissue collection container 100 is assembled.

In the biological tissue collection container 100 configured as described above, by rotating the lid 3 with respect to the container body 2, the collection chamber 4S used for collecting biological tissue can be switched (see FIG. 1). . Here, while looking at the downward protrusion 32 of the lid 3 and its identification mark X1, and also looking at the identification mark X2 of the collection chamber 4S of the collection chamber 4, adjust the positions of the parts to obtain the desired capture. The connection port P1 of the lid 3 can be located above the collection chamber 4S. At this time, the horizontal protrusion 33 provided on the lid 3 and the protrusion 21 provided on the container body 2 facilitate the rotation of the lid 3 with respect to the container body 2. Here, in order to produce a click feeling when the lid 3 is rotated, a convex portion 34 that engages with the partition wall 42 is provided on the lower surface of the lid 3. When the lid 3 is rotated, the convex portion 34 passes over the upper side of the partition wall 42, producing a click feeling, making it easy to understand that the collection chamber 4S or the passage portion 4T has been switched. Note that FIG. 2 shows a state in which the lid 3 is rotated and the connection port P1 of the lid 3 is positioned above the passage portion 4T when living tissue is being passed through.

After collecting the living tissue, the lid 3 is removed. At this time, the lateral protrusion 33 provided on the lid 3 facilitates removal of the lid 3. Then, the collecting chamber 4 (lower collecting body 5, if necessary) is taken out from the container body 2, and the collected living tissue is stored or examined.

<Effects of this embodiment>
According to the living tissue collection container 100 of the present embodiment configured in this way, an identification mark X2 indicating each collection chamber 4S is provided below each collection net portion 42 on the outer peripheral surface of the collection chamber 4. Therefore, even after the biological tissue is collected in the collection chamber 4S, the collected biological tissue and the identification display X2 indicating each collection chamber 4S do not overlap, and the collected biological tissue The visibility of the organization and identification display X2 can be improved. As a result, it is possible to reduce human errors in the biological tissue collection work, and it is also possible to reduce human errors such as mixing up biological tissues when testing in a pathology laboratory, testing center, etc.

In particular, in this embodiment, by rotating the lid body 3 with respect to the container body 2, the collection chamber 4S used for collecting living tissue can be switched, so each collection net section The effect of providing the identification mark X2 indicating each collection chamber 4S on the lower side of the collection chamber 42 can be made even more remarkable. That is, since the visibility of the identification display X2 is good when switching the collection chamber 4S, it becomes easy to switch the collection chamber 4S without error.

<Other modified embodiments>
Note that the present invention is not limited to the above embodiments.

For example, in the embodiment described above, the configuration includes the passage section 4T, but the configuration may not include the passage section 4T.

Further, in order to make the identification mark X2 indicating the number of the collection chamber 4S easier to identify, the number of the collection chamber may be outlined in black, for example, as shown in FIG.

Furthermore, in the embodiment described above, the lower collector 5 was provided below the collection chamber 4, but a configuration without the lower collector 5 may be used. Furthermore, the lower collecting body 5 may be configured such that the container main body 2 cannot be attached to or detached from it.

Moreover, the living tissue collection container of the embodiment can be used with the lower collector 5 attached or with the lower collector 5 removed. An example of using the lower collector 5 with the lower collector 5 removed may be, for example, when an emergency surgery is performed. Even when the lower collecting body 5 is removed, when the lid body 3 is rotated, the convex portion 34 rides over the upper side of the partition wall 42, so that a click feeling is produced. In other words, the configuration is such that the position of the collection chamber 4 within the container body 2 does not change regardless of the presence or absence of the lower collection 5. For example, by engaging the protrusion 45 formed on the outer circumferential surface of the collection chamber 4 with the recess 23 formed on the inner circumferential surface of the container body 2, the collection chamber 4 is moved in the vertical direction with respect to the container body 2. It is conceivable to configure it so that the position of is determined.

In addition, various modifications and combinations of the embodiments may be made as long as they do not go against the spirit of the present invention.

100... Living tissue collection container T1... Tube 2 from the endoscope... Container body 2H... Upper opening 21... Protrusion 3... Lid body P1... Connection port X1. ...Connection port identification display 31 ...Suction pipe section 32 ...Downward protrusion 33 ...Sideward protrusion 4 ...Collection chamber 4S ...Collection chamber X2 ...Collection chamber Identification display 42 ... Collection net section 4T ... Passage section X3 ... Passage section identification display 5 ... Lower collector body 53 ... Knob section

Claims (9)

A living tissue collection container for collecting living tissue collected with an endoscope,
a translucent container body into which the biological tissue is introduced;
a collection chamber that is removably housed in the container body and has a translucent property for collecting the biological tissue introduced into the container body;
The collection chamber is partitioned into a plurality of collection chambers, and a collection net section for collecting the living tissue is provided on the lower surface of the plurality of collection chambers,
A biological tissue collection container, wherein an identification mark indicating each of the collection chambers is provided below each of the collection net sections on the outer peripheral surface of the collection chamber. a lid that closes the upper opening of the container body;
a connection port provided on the lid body, to which a tube from the endoscope is connected, and which opens at the top of the collection chamber inside the container;
further comprising a suction pipe section provided on the lid body, connected to a suction device, and extending below the collection net section inside the container body;
The living tissue collection container according to claim 1, wherein the collection chamber used for collecting the living tissue can be switched by rotating the lid relative to the container body. The lid body has a downward protrusion that extends downward to indicate the position of the connection port with respect to the container body,
The living tissue collection container according to claim 2, wherein an identification mark indicating the position of the connection port is provided on the outer surface of the downward protrusion or in the vicinity thereof. The living tissue collection container according to claim 2 or 3, wherein a plurality of laterally extending protrusions are provided intermittently along the circumferential direction on the outer peripheral surface of the lid. The living tissue collection container according to any one of claims 2 to 4, wherein a plurality of vertically extending protrusions are intermittently provided on the outer circumferential surface of the container body along the circumferential direction. The collection chamber further includes a passage part formed outside the collection chamber and passing through the biological tissue,
The biological tissue collection container according to any one of claims 1 to 5, wherein an identification mark indicating the passage portion is provided on an outer circumferential surface of the collection chamber. The collection chamber and the passage section are arranged around a central axis of the collection chamber,
The passage portions are formed at two locations facing each other with respect to the central axis, and the collection chamber is continuously formed between the two passage portions, and the collection chamber is formed continuously between the two passage portions. 7. The biological tissue collection container according to claim 6, wherein the collection chamber is configured to be pinchable. Claims 1 to 3, further comprising a lower collector that is removably housed in the container body and is provided below the collection chamber to collect the biological tissue that has passed through the collection chamber. 7. The biological tissue collection container according to any one of 7. The living tissue collection container according to claim 8, wherein the lower collector has a knob in the center.