CN219208291U - Negative pressure drainage device - Google Patents

Abstract

The utility model relates to the technical field of medical instruments, in particular to a negative pressure drainage device. The negative pressure drainage device comprises a flexible waste liquid collecting bag, wherein a cover body is fixedly arranged on the upper portion of the waste liquid collecting bag in a sealing mode, a negative pressure interface and a waste liquid inlet which are communicated with the interior of the waste liquid collecting bag are arranged on the cover body, and a channel which is communicated with the negative pressure interface and the exterior of the waste liquid collecting bag is arranged on the cover body. The advantages are that: the drainage device has the advantages that the structure design is simple and reasonable, the negative pressure suction operation can be carried out on the inside and the outside of the waste liquid collecting bag through one negative pressure interface, the problems that the pipeline arrangement is complex and complicated due to the plurality of negative pressure interfaces of the existing drainage device are solved, and the use is more convenient.

Description

Negative pressure drainage device

Technical Field

The utility model relates to the technical field of medical instruments, in particular to a negative pressure drainage device.

Background

Negative pressure drainage devices are generally used as medical devices for drainage of body fluids (interstitial fluid) of patients.

At present, a negative pressure drainage device on the market generally comprises a cover body and a flexible bag body, wherein a drainage port and a negative pressure port are arranged on the cover body, negative pressure equipment is externally connected with the negative pressure port, and therefore body fluid is sucked into the bag body through the drainage port under the action of negative pressure. Because in the use, whole drainage ware is packed into a stereoplasm container to, need take out the negative pressure to this container and just can keep the pressure differential inside and outside the bag body, thereby make the bag body keep expanding state, therefore, conventional structure is at lid or container upper portion in setting up a negative pressure interface, takes out the negative pressure to the container inside with this negative pressure interface, and such design makes the pipeline increase, and the pipeline cloth is managed complicacy, loaded down with trivial details, uses more inconveniently.

Disclosure of Invention

The utility model aims to solve the technical problem of providing a negative pressure drainage device, which effectively overcomes the defects of the prior art.

The technical scheme for solving the technical problems is as follows:

the utility model provides a negative pressure drainage ware, includes flexible waste liquid collection bag, and the upper portion seal of above-mentioned waste liquid collection bag is fixed with the lid, is equipped with negative pressure interface and the waste liquid entry inside the above-mentioned waste liquid collection bag of intercommunication on the above-mentioned lid, is equipped with the outside passageway of above-mentioned negative pressure interface and above-mentioned waste liquid collection bag of intercommunication on the above-mentioned lid.

On the basis of the technical scheme, the utility model can be improved as follows.

Further, the cover body is provided with a channel for communicating the negative pressure interface and the outside of the waste liquid collecting bag.

Further, an annular connecting part is arranged at the inner side of the cover body, the upper end of the waste liquid collecting bag is connected with the connecting part in a sealing way, and the channel penetrates through the connecting part.

Further, the coagulant placing area is a cylindrical member, and a gap communicated with the inside of the waste liquid collecting bag is formed in the side wall of the coagulant placing area.

Further, the notch is a strip-shaped notch and extends vertically to be close to the bottom end of the coagulant placement area.

Further, the notches are provided in plurality and are uniformly spaced apart from each other in the circumferential direction of the coagulant placement area.

Further, the coagulant placement area is near the edge of the cover.

Further, the coagulant material is a water-absorbent resin.

Further, the waste liquid collecting device further comprises a tank body, wherein the tank body is sleeved outside the waste liquid collecting bag, the upper end of the tank body is detachably and hermetically connected with the cover body, and a ring cavity is formed between the tank body and the waste liquid collecting bag.

The beneficial effects of the utility model are as follows: the drainage device has the advantages that the structure design is simple and reasonable, the negative pressure suction operation can be carried out on the inside and the outside of the waste liquid collecting bag through one negative pressure interface, the problems that the pipeline arrangement is complex and complicated due to the plurality of negative pressure interfaces of the existing drainage device are solved, and the use is more convenient.

The structure design is simple and reasonable, the property of body fluid can be observed by a user in the drainage process, and the coagulant can be fully used.

Drawings

FIG. 1 is a structural cross-sectional view of a negative pressure drainage device of the present utility model;

FIG. 2 is a schematic view of the structure of the upper end of the cover in the negative pressure drainage device of the utility model;

fig. 3 is a schematic structural view of the lower end of the cover in the negative pressure drainage device of the present utility model.

In the drawings, the list of components represented by the various numbers is as follows:

1. a waste liquid collection bag; 3. a coagulant placement zone; 4. a tank body; 11. a cover body; 13. a negative pressure interface; 14. a waste liquid inlet; 15. a channel; 31. a notch; 111. and a connecting part.

Detailed Description

The principles and features of the present utility model are described below with reference to the drawings, the examples are illustrated for the purpose of illustrating the utility model and are not to be construed as limiting the scope of the utility model.

Examples: as shown in fig. 1, 2 and 3, the negative pressure drainage device of this embodiment includes a flexible waste liquid collecting bag 1, a cover 11 is sealed and fixed on the upper portion of the waste liquid collecting bag 1, a negative pressure port 13 and a waste liquid inlet 14 are disposed on the cover 11 and are communicated with the interior of the waste liquid collecting bag 1, and a channel 15 is disposed on the cover 11 and is communicated with the negative pressure port 13 and the exterior of the waste liquid collecting bag 1.

In this embodiment, form a tee bend structure between passageway 15 and the negative pressure interface 13, this tee bend structure has a negative pressure gas vent (be located the lid 11 outside, two negative pressure air inlets, the port that is the passageway 15 outside of stretching out the lid 11 and negative pressure interface 13 stretch into the one end port of the bag body respectively, in the use, adorn waste liquid collection bag 1 in the barrel cavity of the adaptation of negative pressure suction equipment (the lateral wall of both is close to), the upper portion opening of barrel cavity is sealed to lid 11, connect waste liquid entry 14 through the drainage tube of matching, connect negative pressure interface 13 and negative pressure equipment's negative pressure mouth through the negative pressure pipe, then stretch into the affected part that the patient needs the drainage, after opening negative pressure equipment, produce the negative pressure in negative pressure interface 13 department, can be simultaneously to waste liquid collection bag 1 inside and outside (the cavity between container and the waste liquid collection bag 1) the air take off, and, the negative pressure of barrel cavity is slightly greater than waste liquid collection bag 1 inside negative pressure, consequently, waste liquid collection bag 1 can expand (can not be shrivelled down) under the effect, body fluid (tissue liquid) gets into the negative pressure inlet 14 through the drainage tube, the drainage tube is arranged in the whole design of the device, the negative pressure can be more complicated to the drainage tube is more reasonable, the problem is more can be solved, the drainage can be more complicated to the negative pressure is more convenient, the drainage device is used to the negative pressure to be used to the device, the negative pressure is more complicated to the negative pressure to be used to the device, the drainage device is convenient, the realization, can be used to the negative pressure has the negative pressure to be used to the waste liquid, and has the negative pressure has the waste device.

Of particular emphasis is the fact that: in this embodiment, the negative pressure interface 13 is communicated with the inside and the outside of the waste liquid collecting bag 1, so when negative pressure is generated at the negative pressure interface 13, suction effect is generated on the inside and the outside of the waste liquid collecting bag 1, the complex structural design that a plurality of pipelines are required for the traditional negative pressure drainage device is improved, and the pipeline connection is simpler and more convenient.

In a preferred embodiment, a coagulant placement area 3 is provided inside the cover 11 and communicates with the inside of the waste liquid collecting bag 1, and the coagulant placement area 3 is filled with coagulant.

In the above embodiment, since the coagulant material is stored in the coagulant placement zone 3 inside the cover 11, when drainage is started, body fluid enters the waste liquid collection bag 1, and when the liquid level gradually rises with the deep drainage and reaches the top of the waste liquid collection bag 1, the coagulant material comes into contact with the liquid to exert an effect, so that the liquid is coagulated, thereby giving a user sufficient observation time for the liquid in the waste liquid collection bag 1. If the liquid does not reach the cover 11 (i.e. does not contact the coagulant in the coagulant placing area 3) after the single drainage is finished, the whole device is taken out from the negative pressure equipment and is inclined, so that the liquid in the waste liquid collecting bag 1 contacts the coagulant, an effect can be produced, the structural design is simple and reasonable, a user can observe the property of body fluid in the drainage process conveniently, and the coagulant can be fully used.

What needs to be stated is: in the production process of the existing drainage device, the coagulant is directly put into the bag body. When body fluid starts to enter the bag body, the coagulating agent falls on the bottom of the bag, so that the coagulating agent is too early to contact and coagulate with the body fluid, on one hand, a user cannot observe the property of the body fluid, on the other hand, along with the increase of the body fluid in the bag body, the body fluid at the lower layer is coagulated after contacting the coagulating agent, and the body fluid entering after the upper layer can have the problems of poor contact with the coagulating agent, incapability of coagulation or poor coagulation state, so that a lot of body fluid still exists in the bag body, and the later discarding treatment is not facilitated.

As a preferred embodiment, the cover 11 is provided with a passage 15 for connecting the negative pressure port 13 to the outside of the waste liquid collecting bag 1.

In the above embodiment, the negative pressure interface 13 is connected with the channel 15 communicated with the outside of the waste liquid collecting bag 1 to form a three-way structure, so that the structure design is simpler and the use is very convenient.

In a preferred embodiment, an annular connecting portion 111 is provided inside the cover 11, the upper end of the waste liquid collecting bag 1 is hermetically connected to the connecting portion 111, and the passage 15 passes through the connecting portion 111.

In the above embodiment, the cover 11 is integrally designed as a round cover, a connecting portion 111 is coaxially arranged in the middle area of the cover 11, the upper end of the waste liquid collecting bag 1 is sleeved on the periphery of the connecting portion 111, the connecting portion 111 and the waste liquid collecting bag are fixedly connected in a sealing manner, then the edge of the cover 11 is in sealing butt joint with the container, and meanwhile, the channel 15 penetrates through the connecting portion 111, so that the whole structure is simple and reasonable in design, and the structure is better and more compact.

In this embodiment, an integrally formed processing technology is adopted between the channel 15 and the connecting portion 111, the negative pressure interface 13 and the cover 11, and the structural strength between each part is high, so that the tightness of the integrally designed structure is stronger.

In this embodiment, the cover 11, the negative pressure port 13 and the connecting portion 111 are integrally made of PE.

In a preferred embodiment, the coagulant aid placement area 3 is a cylindrical member, and a notch 31 communicating with the inside of the waste liquid collection bag 1 is formed in a side wall thereof.

In the above embodiment, the coagulant placement area 3 adopts a cylindrical structural design, the processing technology is simple, and meanwhile, the side wall of the coagulant placement area is provided with the notch 31 for the entry and exit of coagulant material or liquid, so that body fluid in the waste liquid collection bag 1 can be well contacted with the coagulant material to generate a coagulation effect, and the design is reasonable.

As a preferred embodiment, the notch 31 is a strip-shaped notch and extends vertically near the bottom end of the coagulant placement zone 3.

In the above embodiment, the notch 31 is a strip-shaped notch, which is simple in design, and the notch 31 extends downward near the bottom end of the coagulant placement zone 3, facilitating entry of liquid.

As a preferred embodiment, the plurality of notches 31 are provided and are uniformly spaced in the circumferential direction of the coagulant placement zone 3.

In the above embodiment, the plurality of notches 31 are designed and distributed along all directions around the coagulant placement area 3, which is beneficial for the body fluid in the waste liquid collection bag 1 to enter from all directions to contact with coagulant materials, and has simple and reasonable design.

In this embodiment, the coagulant may be packaged in a water-soluble outer packaging bag, and after encountering liquid, the outer packaging bag is dissolved, so that the coagulant is in contact with the liquid to produce an effect, and the outer packaging bag can prevent the coagulant from falling from the notch 31 to the bottom of the waste liquid collecting bag 1 due to the change of the direction of tilting, inversion, etc. of the product during transportation before use.

As a preferred embodiment, the coagulant placement zone 3 is located near the edge of the cover 11.

In the above embodiment, the ring groove is designed at the lower end of the edge of the cover 11, and when the whole device is assembled with the barreled container, the upper end of the container is embedded into the ring groove, so that the quick connection of the two containers can be realized.

Of course, sealing films can be arranged on the groove walls at two sides of the annular groove, so that a good sealing effect is achieved between the container and the annular groove.

Or, an annular side wall is arranged at the lower end of the edge of the cover body 11, an internal thread is arranged at the inner side of the side wall, an external thread is arranged at the upper end of a container matched with the cover body 11, and the two threads are connected.

In this embodiment, the coagulant material is water-absorbent resin in the prior art, and specifically water-absorbent resin powder or small particles are used.

As a preferred embodiment, the waste liquid collecting device further comprises a tank body 4, wherein the tank body 4 is sleeved outside the waste liquid collecting bag 1, the upper end of the tank body is detachably and hermetically connected with the cover body 11, and a ring cavity is formed between the tank body 4 and the waste liquid collecting bag 1.

In the above embodiment, the whole device is matched with a hard tank body 4, the negative pressure interface 13 is respectively communicated with the waste liquid collecting bag 1 and the annular cavity between the tank body 4 and the waste liquid collecting bag 1, in the use process, negative pressures are respectively formed for the two spaces, and the negative pressure of the annular cavity is larger than the negative pressure in the waste liquid collecting bag 1, so that the waste liquid collecting bag 1 can expand under the action of pressure difference without being shrunken.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

While embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the utility model.

Claims (9)

1. A negative pressure drainage device, which is characterized in that: including flexible waste liquid collecting bag (1), the upper portion seal of waste liquid collecting bag (1) is fixed with lid (11), be equipped with the intercommunication on lid (11) waste liquid collecting bag (1) inside negative pressure interface (13) and waste liquid entry (14), be equipped with the intercommunication on lid (11) negative pressure interface (13) with waste liquid collecting bag (1) outside passageway (15).

2. The negative pressure drainage device according to claim 1, wherein: the inner side of the cover body (11) is provided with a coagulant placing area (3) communicated with the inside of the waste liquid collecting bag (1), and coagulant materials are filled in the coagulant placing area (3).

3. The negative pressure drainage device according to claim 2, wherein: the inner side of the cover body (11) is provided with an annular connecting part (111), the upper end of the waste liquid collecting bag (1) is in sealing connection with the connecting part (111), and the channel (15) penetrates through the connecting part (111).

4. A negative pressure drainage device according to claim 3, wherein: the coagulant placing area (3) is a cylindrical member, and a notch (31) communicated with the inside of the waste liquid collecting bag (1) is formed in the side wall of the coagulant placing area.

5. The negative pressure drainage device according to claim 4, wherein: the notch (31) is a strip-shaped notch and extends vertically to be close to the bottom end of the coagulant placement area (3).

6. The negative pressure drainage device according to claim 4, wherein: the notches (31) are provided in plurality and are uniformly distributed at intervals along the circumferential direction of the coagulant placement area (3).

7. The negative pressure drainage device according to claim 2, wherein: the coagulant placement area (3) is close to the edge of the cover body (11).

8. A negative pressure drainage device according to any of claims 2 to 7, wherein: the coagulant material is water-absorbent resin.

9. A negative pressure drainage device according to any of claims 2 to 7, wherein: the waste liquid collecting device is characterized by further comprising a tank body (4), wherein the tank body (4) is sleeved outside the waste liquid collecting bag (1), the upper end of the tank body is detachably and hermetically connected with the cover body (11), and a ring cavity is formed between the tank body (4) and the waste liquid collecting bag (1).

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