JPWO2016031097A1 - Drainage treatment device and drainage treatment system - Google Patents

Abstract

The drainage processing device of the present invention contains a drainage liquid sucked from a living body by a negative pressure from a suction source, and in a drainage processing device for discarding, a suction port connected to a suction tube for sucking the drainage liquid, A connector having an exhaust port connected to the suction source, and a waste container for storing the drainage, wherein the waste container is connected to the suction side communication port connected to the suction port, and the exhaust side communication connected to the exhaust port And a detachable connector to the connector.

Description

  The present invention relates to a drainage treatment device for storing and discarding a drainage sucked from a living body by a negative pressure from a suction source, and a drainage treatment system including a plurality of such drainage treatment devices. It is intended to facilitate replacement work when the liquid is discarded.

  There is a drainage treatment device for storing and discarding sputum sucked from a living body such as a patient due to negative pressure from a suction source, aspiration, pus, secretions and body fluids at medical sites. It has been. A plurality of such drainage processing devices are usually provided corresponding to a plurality of drainage generation sources (for example, the throat and abdomen of a living body), and constitute a drainage processing system (see, for example, Patent Document 1). .

  Such a drainage processing system includes a first drainage treatment device connected to a first suction tube that sucks drainage from a first drainage generation source, and a drainage from the second drainage generation source. And a second drainage treatment device connected to the second suction tube for sucking the liquid. When discarding the drainage, the connection between each drainage treatment device and the suction tube is released and each drainage treatment device is released. The connection between the liquid processing device and the suction source was released, and the entire drainage processing device was discarded.

Japanese Patent No. 4627353

  However, in the conventional drainage treatment system as described in Patent Document 1, it is necessary to replace the used drainage treatment device with an unused one when discarding the drainage. There was a risk of mixing the tubes. In other words, the second suction tube is mistakenly connected to the unused drainage processor that has been replaced with the first drainage processor, and the unused drainage that has been replaced with the second drainage processor. There is a possibility that the first suction tube is connected to the liquid treatment device.

  In addition, even when the conventional drainage processing unit as described above is used alone, when discarding the drainage, not only the connection between the drainage processing unit and the suction tube is released, but also the drainage processing unit It is also necessary to release the connection between the vacuum source and the suction source, and it is necessary to connect a suction source to the unused drainage treatment device in addition to the suction tube connection. It was desired to facilitate the replacement work.

  The present invention has been developed in view of the above-described situation, and can facilitate the replacement work when discarding the drainage, and uses a plurality of drainage treatment devices corresponding to a plurality of drainage generation sources. An object of the present invention is to provide a drainage treatment device and a drainage treatment system capable of preventing the occurrence of a mistake in the suction tube during the replacement operation.

  The drainage processing device of the present invention contains a drainage liquid sucked from a living body by a negative pressure from a suction source, and in a drainage processing device for discarding, a suction port connected to a suction tube for sucking the drainage liquid, A connector having an exhaust port connected to the suction source, and a waste container for storing the drainage, wherein the waste container is connected to the suction side communication port connected to the suction port, and the exhaust side communication connected to the exhaust port And a detachable connector to the connector.

  Here, in the drainage processing device of the present invention, the drainage passes through the suction side communication port toward the inside of the waste container, while the drainage passes toward the outside of the waste container. It is preferable that an opening / closing body for preventing this is disposed.

  In the drainage treatment device of the present invention, it is preferable that the opening / closing body is a check valve.

  Further, in the drainage treatment device of the present invention, the connector includes a suction side insertion tube inserted into the suction side communication port of the waste container, and the opening / closing body is in contact with a tip of the suction side insertion tube, or It is preferable that the suction side insertion tube is disposed so as to penetrate the tip.

  In the drainage treatment device of the present invention, it is preferable that a filter for blocking the passage of the drainage is disposed at the exhaust side communication port.

  Moreover, it is preferable that the said opening / closing body is arrange | positioned upwards rather than the drainage inlet of the said filter in the drainage processing device of this invention.

  Further, in the drainage treatment device of the present invention, the exhaust side communication port forms a flow path extending in the vertical direction, and the filter is accommodated in a vertical middle portion excluding the upper end and the lower end of the exhaust side communication port. It is preferable that they are arranged as described above.

  The drainage processing system of the present invention is any one of the drainage processing devices of the present invention described above, and is connected to a first suction tube that sucks drainage from a first drainage generation source. 1 and a second drain connected to a second suction tube for sucking the drainage from the second drainage generation source. A liquid processor.

  According to the present invention, when the waste liquid is discarded, the waste container containing the waste liquid is removed from the connector, and the waste container can be replaced simply by attaching an unused waste container to the connector instead of the waste container. Can be completed. At that time, it is not necessary to separate the suction tube and the suction source from the connector.

  Therefore, according to the present invention, the replacement work when discarding the drainage liquid can be facilitated, and there is a concern when using a plurality of drainage treatment devices corresponding to a plurality of drainage generation sources. It is possible to provide a drainage treatment device and a drainage treatment system that can prevent the occurrence of a mistake in the suction tube during the replacement operation.

It is a side view showing the drainage processing system concerning one embodiment of the present invention. It is a perspective view which shows the drainage processing device in the drainage processing system of FIG. 1, and shows the state which removed the waste container from the connector. It is a longitudinal cross-sectional view which shows the drainage processing device of FIG. It is a perspective view which shows the modification of the drainage processing device which concerns on one Embodiment of this invention, and shows the state which removed the waste container from the connector. It is a partial cross section side view which shows the drainage processing device of FIG.

Hereinafter, with reference to FIGS. 1 to 3, a drainage processing device and a drainage processing system according to an embodiment of the present invention will be described in detail.
In the present specification, the up and down direction means the vertical direction when the drainage treatment device is used, the lower side means the lower vertical direction in which the gravity is directed, and the upper side means the opposite direction. To do.

  As shown in FIG. 1, the drainage treatment system 1 according to the present embodiment includes a first drainage treatment device 2a, a second drainage treatment device 2b, a first suction tube 3a, and a second A suction tube 3b, a suction pressure regulator 4, a first exhaust tube 5a, a second exhaust tube 5b, a first hanging tool 6a, and a second hanging tool 6b; These are accommodated in a housing H provided in a stand-type holder, for example. The drainage treatment system 1 may not be accommodated in the housing H but may be fixed to a predetermined connector and exposed. The suction pressure regulator 4 is connected to a suction source provided in a medical facility, and distributes negative pressure from the suction source to two systems of a first branch port 4a and a second branch port 4b in this example. These two systems of negative pressure can be adjusted independently by using an indicator and a dial.

  The first drainage treatment device 2a includes a connector 7a and a waste container 8a. The connector 7a includes a suction port 9a connected to the first suction tube 3a for sucking out liquid such as sputum, aspiration, pus, secretions and body fluid. Specifically, one end of the first suction tube 3a is disposed in a first drainage generation source (for example, the throat of a living body such as a patient), and the other end of the first suction tube 3a is a suction port 9a. It is connected to the. The connector 7a includes an exhaust port 10a connected to a suction source. Specifically, one end of the first exhaust tube 5 a is connected to the exhaust port 10 a, and the other end of the first exhaust tube 5 a is connected to the first branch port 4 a of the suction pressure regulator 4.

  The disposal container 8 a includes a bottomed cylindrical body portion 11, and a top plate portion 13 is provided on the upper end of the body portion 11 via a constricted portion 12. The 1st drainage processing device 2a is hold | maintained in the state suspended from the wall of the housing H of the holder by the 1st suspending tool 6a. Specifically, the first hanging tool 6a is configured as a pair of plate pieces projecting horizontally from the wall of the housing H, and the pair of plate pieces is disposed in the waste container 8a. By arranging so as to be inserted into the constricted portion 12, the first drainage treatment device 2a is suspended.

  The second drainage treatment device 2b includes a connector 7b and a disposal container 8b, and has the same configuration as the first drainage treatment device 2a except that the disposal container 8b has a different vertical length. ing. The second hanging tool 6b has the same configuration as the first hanging tool 6a. As described above, the waste liquid treatment devices 2a and 2b are configured to be held in a suspended state, whereby a plurality of waste containers 8a and 8b having different lengths and sizes can be easily attached and detached. Accordingly, it is possible to install the waste containers 8a and 8b having a desired capacity without changing the lengths of the suction tubes 3a and 3b and the exhaust tubes 5a and 5b.

  The connector 7b of the second drainage treatment device 2b includes a suction port 9b connected to the second suction tube 3b that sucks the drainage as described above. Specifically, one end of the second suction tube 3b is disposed in a second drainage generation source (for example, the abdomen of the living body), and the other end of the second suction tube 3b is connected to the suction port 9b. ing. Further, the connector 7b includes an exhaust port 10b connected to the suction source. Specifically, one end of the second exhaust tube 5 b is connected to the exhaust port 10 b, and the other end of the second exhaust tube 5 b is connected to the second branch port 4 b of the suction pressure regulator 4.

  Hereinafter, the detailed structure of the connector 7a and the detailed structure of the upper part of the waste container 8a will be described with respect to the first drainage processing device 2a. It has the same structure as As shown in FIGS. 2 and 3, the waste container 8a includes a suction side communication port 14 connected to the suction port 9a and an exhaust side communication port 15 connected to the exhaust port 10a, and is configured to be detachable from the connector 7a. ing. The disposal container 8a can be made of, for example, a synthetic resin, and is preferably configured in a bag shape having flexibility that allows the trunk portion 11 to be folded in consideration of storage properties when not in use. However, even in such a case, the waste container 8a is not folded by the suction force. The disposal container 8a may be a rigid container that does not have such flexibility.

  Further, a water-absorbing material is disposed inside the disposal container 8a as necessary, and a chemical for sterilization and disinfection (for example, a chemical that generates hypochlorite and chlorine dioxide) is disposed. can do. When providing a water-absorbing material or a sterilizing / disinfecting agent, place the water-absorbing material covered with a water-soluble film and touch the drained liquid to dissolve the film and expose the water-absorbing material. You may make it do.

  The connector 7a includes a top wall 16 that overlaps the top plate portion 13 of the waste container 8a from above, a suction port 9a that rises L-shaped from the top wall 16, and a suction side communication port of the waste container 8a that hangs down from the top wall 16 14 and a suction side insertion tube 17 to be inserted into 14. Further, the connector 7a includes an exhaust port 10a that rises in an L shape from the top wall 16, and an exhaust side insertion pipe 18 that is suspended from the top wall 16 and inserted into the exhaust side communication port 15 of the waste container 8a. . For example, a rubber O-ring 19 is provided on the outer peripheral surface of the suction side insertion tube 17 to ensure airtightness between the suction side insertion tube 17 and the suction side communication port 14. Similarly, an O-ring 20 made of, for example, rubber is provided on the outer peripheral surface of the exhaust side insertion pipe 18 to ensure airtightness between the exhaust side insertion pipe 18 and the exhaust side communication port 15.

  The connector 7a can integrally form the top wall 16, the suction port 9a, the suction side insertion tube 17, the exhaust port 10a, and the exhaust side insertion tube 18 by injection molding using a synthetic resin, for example. You may comprise by integrating. The connector 7a may be made of a material other than synthetic resin.

  The suction side communication port 14 allows the drainage from the first suction tube 3a to pass toward the inside of the waste container 8a, and prevents the drainage from passing toward the outside of the waste container 8a. A check valve 21 is arranged. As the check valve 21, as shown in FIG. 3, a one-point valve in which the valve body base and the valve body are connected by one connecting piece, a duckbill valve 21 ′ as shown in FIG. What has the structure of this can be used. In the present embodiment, the opening / closing body (check valve 21) is disposed so as to contact the tip of the suction side insertion tube 17. Instead of such a configuration, the opening / closing body (check valve 21) may be disposed so as to penetrate the tip of the suction side insertion tube 17. Further, the opening / closing body (check valve 21) is arranged above a drainage suction port (in this example, the lower end of the exhaust side communication port 15) of the filter 22 described later.

  Further, the exhaust side communication port 15 is configured not to allow the drainage to pass through. Specifically, a filter 22 that prevents passage of drainage is disposed at the exhaust side communication port 15. The filter 22 can be made of, for example, a non-woven fabric that allows air to pass but prevents liquid from passing. Alternatively, the filter 22 may be constituted by a membrane filter or a water-absorbing material that expands by contact with the drainage and closes the air holes (for example, a nonwoven fabric coated with a water-absorbing resin), or may have other configurations. it can. As the filter 22, a syringe filter 22 ′ as shown in FIG. In the present embodiment, the exhaust-side communication port 15 forms a flow path extending in the vertical direction, and the filter 22 is disposed so as to be accommodated in the middle portion in the vertical direction excluding the upper end and the lower end of the exhaust-side communication port 15. .

  According to the drainage treatment devices 2a and 2b having such a configuration, when the waste liquid sucked from the living body by the negative pressure from the suction source and disposed in the waste containers 8a and 8b is discarded, the waste containers 8a and 8b are disposed. Can be removed from the connectors 7a and 7b and discarded together with the waste containers 8a and 8b, and the operation can be completed simply by attaching unused waste containers 8a and 8b to the connectors 7a and 7b instead of the waste containers 8a and 8b. it can. At this time, it is not necessary to disconnect the suction tubes 3a and 3b and the exhaust tubes 5a and 5b connected to the suction source from the connectors 7a and 7b. Therefore, according to the drainage treatment devices 2a and 2b according to the present embodiment, the replacement work when discarding the drainage can be facilitated, and a plurality of drainage processes are performed as in the drainage treatment system 1 according to the present embodiment. It is possible to prevent occurrence of a mistake in the suction tubes 3a and 3b and the exhaust tubes 5a and 5b during the replacement operation, which is a concern when using a plurality of drainage treatment devices 2a and 2b corresponding to the liquid generation source. it can.

  In particular, when the suction pressures of the first branch port 4a and the second branch port 4b are different, a mistake in the suction tubes 3a, 3b and the exhaust tubes 5a, 5b may adversely affect the living body. In the case of independently adjusting the suction pressure of 4a and the second branch port 4b, the connectors 7a and 7b of the present embodiment are used to prevent the suction tubes 3a and 3b and the exhaust tubes 5a and 5b from being mixed up. It is beneficial.

  Also, according to the drainage treatment devices 2a and 2b according to the present embodiment, the waste containers 8a and 8b are disposed to dispose of the drainage by disposing the opening / closing body (check valve 21) in the suction side communication port 14. Can be prevented from ejecting from the suction side communication port 14 when the connector is removed from the connectors 7a and 7b and transported. Further, even when the waste containers 8a and 8b are accidentally dropped, the drainage can be prevented from jumping out from the suction side communication port 14.

  Further, since the opening / closing body (check valve 21) is disposed so as to contact the tip of the suction side insertion tube 17 or penetrate the tip of the suction side insertion tube 17, a waste container is disposed to discard the drainage liquid. When 8a and 8b are removed from the connectors 7a and 7b, the drainage hardly remains on the upper surface of the opening / closing body (check valve 21), and the risk of the drainage splash can be reduced.

  Further, according to the drainage treatment devices 2a and 2b according to the present embodiment, the filter 22 for blocking the passage of the drainage is disposed at the exhaust side communication port 15, so that the drainage sucked from the living body is discarded by the waste container 8a. 8b, and when reaching the drainage suction port (lower end of the exhaust side communication port 15) of the filter 22, the suction force transmission is blocked by the filter 22 and the suction of the drainage from the living body can be stopped. . Further, since the opening / closing body (check valve 21) is disposed above the drainage suction port of the filter 22, the drainage liquid sucked from the living body is accumulated in the waste containers 8a, 8b and the opening / closing body (check valve 21). ), The suction of the drainage liquid can be stopped by the filter 22.

  Furthermore, according to the drainage treatment devices 2 a and 2 b according to the present embodiment, the exhaust side communication port 15 forms a flow path extending in the vertical direction, and the filter 22 is located in the middle in the vertical direction of the exhaust side communication port 15. Therefore, even when the drainage fluid flowing from the suction side communication port 14 flows toward the exhaust side communication port 15 through the wall surface inside the waste container 8a, for example, the drainage fluid is filtered. Contact with 22 is prevented. That is, since the filter 22 is not disposed at the lower end of the exhaust side communication port 15, unintended contact with the drained liquid flowing from the suction side communication port 14 is prevented.

Next, modified examples of the drainage treatment devices 2a and 2b according to the above-described embodiment will be described in detail with reference to FIGS.
The drainage treatment device 2 ′ according to this modification is different from the drainage treatment devices 2a and 2b according to the above-described embodiment in that the exhaust side insertion pipe 18 is eliminated, and the filter 22, the check valve 21 and the O-ring. The configurations are the same except that the configurations 19 and 20 are changed.

  In this modification, with the elimination of the exhaust side insertion pipe 18 from the connector 7 ′, an O-ring is formed on the top surface of the top plate portion 13 ′ of the exhaust container 8 ′ so as to surround the upper end edge of the exhaust side communication port 15 ′. 20 'is provided. Moreover, in this modification, it replaces with the filter 22 and is arrange | positioned at the lower end of exhaust side communication port 15 ', and uses syringe filter 22' which blocks | prevents passage of drainage. The syringe filter 22 ′ is preferably fixed to the lower end of the exhaust side communication port 15 ′ by bonding such as heat welding or fitting using an uneven shape.

  The syringe filter 22 ′ includes a filter main body 23 that can be configured using a nonwoven fabric, a membrane filter, a water-absorbing material, or the like as described above, and a housing 24 that accommodates the filter main body 23. An upper channel 25 and a lower channel 26 communicating with the housing space of the main body 23 are provided.

Further, in this modification, a duckbill valve 21 ′ is used as the check valve 21, and the duckbill valve 21 ′ has a suction side insertion tube 17 ′ of the connector 7 ′ when the waste container 8 ′ is attached to the connector 7 ′. It is arranged so that it can be pushed open at the tip. In this modification, since airtightness is secured between the suction side insertion tube 17 ′ and the duckbill valve 21 ′, an O-ring is provided between the suction side insertion tube 17 ′ and the suction side communication port 14 ′. 19 is not provided. In this example, the opening / closing body (duck bill valve 21 ′) is disposed above the drainage suction port of the syringe filter 22 ′ constituted by the lower end of the lower flow path 26.
According to the drainage treatment device 2 ′ according to the present modification having such a configuration, it is possible to obtain the same effect as that of the above-described embodiment.

  The above description shows only one embodiment of the present invention, and various modifications can be made within the scope of the claims. For example, it is not necessary for the same living body to have a first drainage generation source and a second drainage generation source, but a living body having a first drainage generation source and a second drainage generation source can be used. The living body it has may be different. The suction pressure adjuster 4 has been described as being capable of independently adjusting the negative pressures of the two systems distributed to the first branch port 4a and the second branch port 4b, but is not necessarily limited to such a configuration. For example, the same negative pressure may be applied to these two systems. Further, the suction pressure regulator 4 can be configured to distribute the negative pressure from the suction source to three or more systems, and a drainage processing system including three or more drainage processing devices can be configured. is there.

DESCRIPTION OF SYMBOLS 1 Drainage processing system 2a 1st drainage processing device 2b 2nd drainage processing device 2 'Drainage processing device 3a 1st suction tube 3b 2nd suction tube 4 Suction pressure regulator 4a 1st branch port 4b 2nd branch port 5a 1st exhaust tube 5b 2nd exhaust tube 6a 1st hanging tool 6b 2nd hanging tool 7a, 7b, 7 'Connector 8a, 8b, 8' Waste container 9a, 9b Suction port 10a, 10b Exhaust port 11 Body portion 12 Constricted portion 13, 13 'Top plate portion 14, 14' Suction side communication port 15, 15 'Exhaust side communication port 16 Top wall 17, 17' Suction side insertion tube 18 Exhaust side insertion tube 19, 20, 20 'O-ring 21 Check valve (opening / closing body)
21 'duckbill valve 22 filter 22' syringe filter 23 filter body 24 housing 25 upper flow path 26 lower flow path H housing

Claims (8)

In the drainage treatment device for storing and discarding the drained liquid sucked from the living body by the negative pressure from the suction source,
A connector having a suction port connected to a suction tube for sucking the drainage, and an exhaust port connected to the suction source;
A waste container for containing the drainage,
The waste container includes a suction side communication port connected to the suction port and an exhaust side communication port connected to the exhaust port, and is detachable from the connector.   The suction side communication port is provided with an opening / closing body that allows the drainage to pass toward the inside of the waste container and prevents the drainage from passing toward the outside of the waste container. The drainage processing device according to claim 1.   The drainage treatment device according to claim 2, wherein the opening / closing body is a check valve. The connector includes a suction side insertion tube inserted into the suction side communication port of the waste container,
4. The drainage treatment device according to claim 2, wherein the opening / closing body is disposed so as to be in contact with a distal end of the suction side insertion tube or to penetrate through a distal end of the suction side insertion tube.   The drainage treatment device according to any one of claims 1 to 4, wherein a filter that prevents passage of the drainage is disposed at the exhaust-side communication port.   The drainage treatment device according to claim 5, wherein the opening / closing body is disposed above a drainage suction port of the filter. The exhaust side communication port forms a flow path extending in the vertical direction,
The drainage treatment device according to claim 5 or 6, wherein the filter is disposed so as to be accommodated in an intermediate portion in a vertical direction excluding an upper end and a lower end of the exhaust side communication port. It is a drainage processing device as described in any one of Claims 1-7, Comprising: The 1st drainage processing device connected to the 1st suction tube which attracts | sucks a drainage from a 1st drainage generation source When,
The drainage treatment device according to any one of claims 1 to 7, wherein the second drainage treatment device is connected to a second suction tube that sucks drainage from a second drainage generation source. A drainage treatment system comprising:

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