CN210750504U - A negative pressure drain device and a negative pressure drain device kit for easy metering - Google Patents

Abstract

The utility model relates to a negative pressure drain device and a negative pressure drain device set which are convenient for measurement, wherein the negative pressure drain device comprises a tank body, a return spring is arranged in the tank body, and a corrugated structure is arranged on the side of the tank body. It is characterized in that the tank body is also provided with a first joint for detachably connecting the metering bag and a cover, the first joint is communicated with the inside of the tank body, and the cover is used to close the first joint and connect with the first joint. The connected measuring bag; the negative pressure drainage device and the negative pressure drainage device set provided by the utility model are compact in structure, low in cost, very convenient to use, not only can accurately measure the amount of drainage liquid, but also very convenient for the dumping of drainage liquid, especially Suitable for drainage of gastric juice, plasma drainage, etc.

Description

A negative pressure drain device and a negative pressure drain device kit for easy metering

technical field

The utility model relates to the technical field of medical devices, in particular to a negative pressure drainage device and a negative pressure drainage device set which are convenient for measurement.

Background technique

Surgical drainage refers to the removal of fluids in body cavities, joint cavities, organs or tissues, including blood, pus, inflammatory exudates, bile, secretions, cyst fluids, etc. Drainage) (such as intestinal lumen, bladder, blood vessels), so as to prevent or treat the harm caused by fluid accumulation to the body.

Negative pressure drainage device is a commonly used surgical drainage instrument, and there are many kinds. A disposable negative pressure drainage device commonly used in the prior art usually includes a plastic tank for accommodating drainage fluid, as shown in Figure 1, The side of the tank is provided with a corrugated structure, which is convenient for the compression of the tank. The inside of the tank is provided with a return spring to generate continuous negative pressure. The upper part of the tank is provided with a drainage pipe, a hanging ear and an exhaust hole. There is usually a roller switch on the pipe to realize the on/off of the drainage pipe, the hanging ears are convenient for hanging the tank body, and the exhaust hole is used to discharge the gas and/or drainage liquid of the tank body, so the exhaust hole is usually A plug for controlling the on/off of the exhaust hole is also provided; because of this negative pressure drain, the structure is simple, the cost is particularly low, and the drainage effect is good, and it is most widely used in clinical practice.

The negative pressure drainage device of this structure has a large difference in the volume of the tank under the condition of different sizes of negative pressure, which makes it very inconvenient for medical staff to accurately measure the volume of the drainage liquid in the tank during actual use. Especially when the drainage fluid in the tank is gastric juice and plasma drainage fluid, the medical staff usually can only use the empty needle to suck out the drainage fluid in the tank little by little for measurement, which is not only troublesome to operate, but also increases the workload of medical staff. , and it is more disgusting, which can easily cause discomfort to medical staff.

In view of this problem, in a novel negative pressure drainage ball disclosed in Chinese patent CN 201127744Y, a metering bottle is connected to the bottom of the negative pressure drainage corrugated tank through a switch, and the bottom end of the metering bottle is provided with a discharge valve. The measurement of drainage fluid in the body has the problems of inconvenient placement, inconvenience and high cost. Therefore, it is necessary to further improve the structure of this most widely used disposable negative pressure drainage device.

Utility model content

The purpose of the utility model is to improve the deficiencies existing in the prior art, and to provide a negative pressure drainage device with compact structure, low cost, very convenient use, and convenience for measuring drainage volume.

The technical scheme adopted by the utility model is:

A negative pressure drainage device convenient for metering, comprising a tank body, a return spring is arranged in the tank body, a corrugated structure is arranged on the side of the tank body, and the tank body is also provided with a first joint for detachably connecting a metering bag, and a cover , the first joint is communicated with the inside of the tank body, and the cover is used to close the first joint and the measuring bag connected with the first joint. In this solution, by arranging the first joint for detachably connecting the measuring bag on the tank body, on the one hand, it is convenient to connect the measuring bag, so as to measure the amount of drainage liquid through the measuring bag, and on the other hand, it is convenient to replace the measuring bag, Not only is the cost low, but also the negative pressure drainage device can be used for a longer time.

Preferably, the cover is a flat cover. Thus, the placement of the negative pressure drain is convenient.

Preferably, the first joint has a cylindrical structure, and the outer side of the first joint is provided with an external thread for connecting the metering bag. It is connected with the measuring bag through the external thread, so as to realize the detachable thread connection, which is convenient for the replacement of the measuring bag.

Further, the tank body further includes a second joint, the second joint is a cylindrical structure, the second joint is provided with an external thread, and the lid is provided with an internal thread matched with the external thread. The cover is fixed to the tank body through a screw connection, which is convenient for medical staff to operate.

Preferably, the first joint and the second joint are respectively arranged at the bottom of the tank body, and the first joint is arranged inside the second joint. It is convenient to realize the sealing of the first connector and the metering bag connected to the first connector through the cooperation of the cover and the second connector, so that during use, the bottom of the negative pressure drainage device is regular, which is not only convenient for placement, but also beautiful.

Preferably, the bottom of the tank body includes a bottom plate and an annular inclined plate for drainage, the outer ring of the annular inclined plate is connected to the bottom plate, and the inner ring of the annular inclined plate is connected to the first joint , the second joint is fixed on the bottom plate. The arrangement of the annular inclined plate facilitates the automatic drainage of the drainage fluid of the tank, such as gastric juice and plasma drainage fluid, to the first joint, and automatically enters the measuring bag through the first joint, which is convenient for measurement.

Further, the tank body is a cylindrical structure, the top of the tank body is provided with a protrusion, the upper end of the return spring is fixed in the protrusion, and the lower end of the return spring is fixed on the bottom plate.

In a more perfect solution, the top of the tank body is provided with a drainage pipe, a hanging lug, a vent hole and a plug for closing the vent hole. It is more convenient for the negative pressure drainage device to be used in clinic.

A negative pressure drainage device kit includes a measuring bag and the aforementioned negative pressure drainage device, the measuring bag is connected with the measuring bag through the first joint, and the measuring bag is provided with a scale for measuring. In actual use, the negative pressure drainage device is connected with the measuring bag, and the measuring bag is stored in the lid, that is, the measuring bag is stored between the lid and the tank body, so that the appearance of the entire negative pressure drainage device is regular and easy to use and place. , when it is necessary to pour and/or measure the drainage fluid, just open the lid, one end of the metering bag will automatically fall and straighten under the action of gravity, and the drainage fluid in the tank will also automatically enter the metering bag under the action of gravity. The medical staff can easily measure the drainage fluid by checking the scale. In addition, the medical staff can also easily remove the measuring bag from the first connector and throw it into a designated place (such as a trash can), which is more convenient. , Effectively pouring the drainage fluid, and finally, replace the new measuring bag and cover it, which is very convenient.

Preferably, the metering bag comprises a bag body with a cylindrical structure, and an interface provided at one end of the bag body and adapted to the first connector, the other end of the metering bag is closed, and the scale is along the metering The length direction of the bag is set. The bag body with the cylindrical structure is not only convenient to manufacture, low in cost, but also has a regular shape and can realize accurate measurement.

Further, the interface is an annular structure, and the interface is provided with an internal thread that is adapted to the first joint. It is convenient to reduce the cost of the metering bag, and it is easy to replace.

Compared with the prior art, the utility model provides a negative pressure drainage device and a negative pressure drainage device set that are convenient for measurement, which has a compact structure, low cost, and is very convenient to use, not only can accurately measure the amount of drainage liquid, but also very It is convenient for the pouring of drainage fluid, especially suitable for drainage of gastric juice, plasma drainage fluid, etc.

Description of drawings

In order to illustrate the technical solutions of the embodiments of the present invention more clearly, the accompanying drawings that need to be used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of the present invention. Therefore, it should not be regarded as a limitation of the scope. For those of ordinary skill in the art, other related drawings can also be obtained from these drawings without any creative effort.

FIG. 1 is a schematic three-dimensional structural diagram of a negative pressure drain provided in Embodiment 1 of the present invention.

FIG. 2 is a schematic three-dimensional structural diagram of a negative pressure drain provided in Embodiment 1 of the present invention.

FIG. 3 is a cross-sectional view of FIG. 1 .

FIG. 4 is a schematic three-dimensional structure diagram of a metering bag in a negative pressure drainage device kit provided in Embodiment 2 of the present invention.

FIG. 5 is a cross-sectional view of a negative pressure drain kit provided in Embodiment 2 of the present invention, without opening the cover.

FIG. 6 is a schematic diagram of a negative pressure drain kit provided in Embodiment 2 of the present invention, after the cover is opened (ie, during measurement).

FIG. 7 is a cross-sectional view of FIG. 6 .

Description of the marks in the figure

Tank body 101, corrugated structure 102, bottom plate 103, annular inclined plate 104, protrusion 105,

Return spring 201, drainage tube 202, hanging ear 203, exhaust hole 204, plug 205,

The first joint 301, the external thread 302, the second joint 303,

cover 401,

Measuring bag 501 , bag body 502 , interface 503 , scale 504 , internal thread 505 .

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. . The components of the embodiments of the invention generally described and illustrated in the drawings herein may be arranged and designed in a variety of different configurations. Accordingly, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the invention as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the present invention.

Example 1

Please refer to FIG. 1 , FIG. 2 and FIG. 3 , the present embodiment provides a negative pressure drain device that facilitates metering, including a tank body 101 , a return spring 201 is arranged in the tank body 101 , and the return spring 201 is used to generate Continue to the negative pressure to achieve the effect of negative pressure suction, the side of the tank body 101 is provided with a corrugated structure 102, which is convenient for the tank body 101 to deform under the action of the return spring 201, thereby generating negative pressure; The body 101 is also provided with a first joint 301 for detachably connecting the metering bag 501, and a cover 401, the first joint 301 communicates with the interior of the tank body 101, and the cover 401 is used to close the first joint 301 and connect with the first joint 301. The measuring bag 501 connected with the joint 301 , that is, the entire first joint 301 and the measuring bag 501 connected with the first joint 301 can be accommodated in the cover 401 . In this embodiment, by disposing the first joint 301 on the tank body 101 for detachably connecting the measuring bag 501, on the one hand, it is convenient to connect the measuring bag 501, so as to measure the amount of drainage liquid through the measuring bag 501, on the other hand, The replacement of the measuring bag 501 is convenient, not only is the cost low, but also it is beneficial to the negative pressure drainage device to be used for a longer time.

As shown in FIG. 1 and FIG. 3 , in a preferred solution, the cover 401 is a flat cover to facilitate the placement of the negative pressure drainage device.

As shown in FIG. 2 and FIG. 3 , in a preferred solution, the first joint 301 is a cylindrical structure, and the outer side of the first joint 301 is provided with an external thread 302 for connecting the metering bag 501; through the external thread 302 It is connected with the measuring bag 501 so as to realize a detachable screw connection, which is convenient for the replacement of the measuring bag 501 .

In a further solution, the tank body 101 further includes a second joint 303, the second joint 303 is a cylindrical structure, the second joint 303 is provided with an external thread 302, and the cover 401 is provided with an external thread 302. Internal thread 505 to which thread 302 fits. The cover 401 is fixed to the tank body 101 through a screw connection, which is convenient for medical staff to operate.

As shown in FIG. 2 and FIG. 3 , as a preferred embodiment, the first joint 301 and the second joint 303 are respectively arranged at the bottom of the tank body 101 , and the first joint 301 is arranged on the Inside the second joint 303, it is convenient to realize the sealing of the first joint 301 and the metering bag 501 connected to the first joint 301 through the cooperation of the cover 401 and the second joint 303, so that during use, the negative pressure drain The bottom is neat, not only easy to place, but also beautiful.

As shown in FIG. 2 and FIG. 3 , the bottom of the tank body 101 includes a bottom plate 103 and an annular inclined plate 104 for drainage. The outer ring of the annular inclined plate 104 is connected to the bottom plate 103 . The annular inclined plate 104 The inner ring is connected to the first joint 301 , and the second joint 303 is fixed to the bottom plate 103 . The arrangement of the annular inclined plate 104 facilitates the automatic drainage of the drainage fluid of the tank body 101, such as gastric juice and plasma drainage fluid, to the first joint 301, and automatically enters the measuring bag 501 through the first joint 301, which is convenient for measurement.

As an example, as shown in FIG. 1 or FIG. 3 , in this embodiment, the tank body 101 adopts a cylindrical structure, the top of the tank body 101 is provided with a protrusion 105 , and the upper end of the return spring 201 is fixed to the In the protrusion 105, the lower end of the return spring 201 is fixed to the bottom plate 103; in a more complete solution, the top of the tank body 101 is also provided with a drainage pipe 202, a hanging lug 203, an exhaust hole 204 and a seal The plug 205 of the exhaust hole 204, wherein the end of the drainage tube 202 is provided with a connector for connecting the drainage tube 202 set on the patient, and the drainage tube 202 is also provided with a roller switch for realizing drainage. On/off of the pipe 202, the hanging lugs 203 facilitate the hanging of the tank body 101, the vent hole 204 is used to discharge the gas and/or the drainage liquid of the tank body 101, and the plug 205 is used to control the on/off of the vent hole 204; It is understood that, in this embodiment, the drainage tube 202 , the hanging ears 203 , the exhaust hole 204 and the plug 205 can all be implemented by using the existing technology, and details are not repeated here.

In order to reduce the cost, the tank 101 in the negative pressure drainage device can be made of plastic, wherein the bottom plate 103, the annular inclined plate 104 and the protrusion 105 should have a certain hardness (ie rigidity), so that the medical staff can carry out the operation. Squeeze to generate negative pressure.

Example 2

Embodiment 2 provides a negative pressure drain kit, including a measuring bag 501 and the negative pressure drain described in Embodiment 1. The measuring bag 501 is connected to the measuring bag 501 through the first joint 301 , and The measuring bag 501 is provided with a scale 504 for measuring; in actual use, the negative pressure drain is connected to the measuring bag 501, and the measuring bag 501 is accommodated in the lid 401, that is, the measuring bag 501 is accommodated in the lid 401 and the tank 101 In between, the appearance of the entire negative pressure drainage device is regular and easy to use and place, as shown in Figure 4, Figure 5, Figure 6 and Figure 7, when it is necessary to pour and/or measure the drainage liquid, just open the cover 401, One end of the measuring bag 501 automatically falls and straightens under the action of gravity, and the drainage liquid in the tank 101 will also automatically enter the measuring bag 501 under the action of gravity. The measurement of the drainage fluid in the bag 501, in addition, the medical staff can also conveniently remove the metering bag 501 from the first connector 301 and throw it into a designated location (such as a trash can), so that it is more convenient and effective to realize the drainage fluid. Dump, and finally, replace the measuring bag 501 with a new one and close the lid 401, which is very convenient.

It can be understood that, in this embodiment, the diameter of the first joint 301 is generally larger, which makes it easier for the drainage fluid to flow out of the tank body 101 , so that the negative pressure drainage device kit is especially suitable for drainage of gastric fluid, plasma drainage fluid, and the like.

That is, in this embodiment, the negative pressure drain kit may include multiple measuring bags 501 and one negative pressure drain, and the metering bags 501 may be respectively connected with the negative pressure drain, which is more convenient for clinical use.

As shown in FIG. 4 , in a preferred solution, the measuring bag 501 includes a bag body 502 with a cylindrical structure, and an interface disposed at one end of the bag body 502 and adapted to the first connector 301 503, the other end of the measuring bag 501 is closed, and the scale 504 is arranged along the length direction of the measuring bag 501, which is more convenient for measuring. The bag body 502 with the cylindrical structure is not only convenient to manufacture, low in cost, but also has a regular shape and can realize accurate measurement. It can be understood that, in order to reduce costs and facilitate storage, the bag body 502 can be a plastic bag, which can be preferably made of transparent material, and the interface 503 can also be made of plastic material. In a further solution, the bag body 502 is not used before , can be in a compressed state (similar to a fresh-keeping bag), which is more convenient to store the bag body 502 in the cover 401 .

As shown in FIG. 4 , in a further solution, the interface 503 is an annular structure, and the interface 503 is provided with an internal thread 505 adapted to the first joint 301 ; it is convenient to reduce the cost of the metering bag 501 and is convenient for replace.

The above are only specific embodiments of the present invention, but the protection scope of the present invention is not limited to this. Replacement should be covered within the protection scope of the present invention.

Claims (10)

1. a negative pressure drain that is convenient for metering, comprising a tank body, a return spring is provided in the tank body, and a corrugated structure is provided on the side of the tank body, it is characterized in that, the tank body is also provided with a detachable connection metering device. A first joint of the bag and a cover, the first joint communicates with the interior of the tank body, and the cover is used to close the first joint and the metering bag connected with the first joint. 2 . The negative pressure drainage device for convenient metering according to claim 1 , wherein the cover is a flat cover. 3 . 3 . The negative pressure drainage device for convenient metering according to claim 1 or 2 , wherein the first joint is a cylindrical structure, and the outer side of the first joint is provided with an external thread for connecting the metering bag. 4 . 4. The negative pressure drainage device for easy metering according to claim 3, wherein the tank body further comprises a second joint, the second joint is a cylindrical structure, and the second joint is provided with an external thread, The cover is provided with an inner thread matched with the outer thread. 5 . The negative pressure drainage device that facilitates metering according to claim 4 , wherein the first joint and the second joint are respectively arranged at the bottom of the tank body, and the first joint is arranged at the within the second connector. 6 . The negative pressure drain device according to claim 5 , wherein the bottom of the tank body comprises a bottom plate and an annular inclined plate for drainage, and the outer ring of the annular inclined plate is connected to the The bottom plate is connected, the inner ring of the annular inclined plate is connected with the first joint, and the second joint is fixed on the bottom plate. 7 . The negative pressure flow guide for easy metering according to claim 6 , wherein the tank body is a cylindrical structure, the top of the tank body is provided with a protrusion, and the upper end of the return spring is fixed to the In the protrusion, the lower end of the return spring is fixed on the bottom plate. 8. A negative pressure drain kit, characterized in that it comprises a metering bag and any one of the negative pressure drains of claims 1-7, wherein the metering bag is connected to the metering bag through the first joint, and the metering bag is There are scales for measuring. 9 . The negative pressure drain kit according to claim 8 , wherein the metering bag comprises a bag body with a cylindrical structure, and a bag body arranged at one end of the bag body and adapted to the first connector. 10 . The other end of the measuring bag is closed, and the scale is arranged along the length direction of the measuring bag. 10 . The negative pressure drain kit according to claim 9 , wherein the interface is a ring-shaped structure, and the interface is provided with an internal thread adapted to the joint. 11 .

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