CN217339541U - Negative pressure aspirator with anti-overflow function - Google Patents

Abstract

The utility model discloses a vacuum aspiration ware with anti-overflow function relates to medical instrument technical field, has solved prior art, and when people reduced negative pressure dish internal pressure through extrudeing carminative mode once more, the problem that the drainage thing in the negative pressure dish splashes outside the exhaust pipe, and its technical scheme main points are: a negative pressure aspirator with an anti-overflow function comprises a negative pressure plate, a liquid inlet pipe, an exhaust pipe, a liquid outlet pipe and a liquid collecting bag. The liquid inlet pipe and the exhaust pipe are arranged on one side of the negative pressure plate, the liquid outlet pipe is arranged on the other side of the negative pressure plate, and the liquid collecting bag is connected to the liquid outlet pipe. When clinical drainage is carried out, the drainage matter enters the negative pressure plate and then enters the liquid collection bag through the liquid outlet pipe. The purpose of preventing the drainage object from splashing outside the exhaust pipe when people reduce the pressure in the negative pressure disc by using a secondary extrusion exhaust mode is achieved.

Description

Negative pressure aspirator with anti-overflow function

Technical Field

The utility model relates to the technical field of medical equipment, more specifically say, it relates to a vacuum extractor with anti-overflow function.

Background

In medicine, drainage is a behavior of drawing liquid from a body cavity or a wound by means of suction such as negative pressure, so as to prevent the drainage from staying in the body for too long, and further to prevent infection or lesion of surrounding tissues and the like.

When clinical drainage is carried out, a negative pressure disc shown in figure 1 is mostly adopted, an exhaust pipe and a liquid inlet pipe are arranged above the negative pressure disc, and pipe plugs are arranged on the exhaust pipe and the liquid inlet pipe. During the use, take off the stopcock on feed liquor pipe and the drain pipe, connect the drainage tube on the feed liquor pipe, reuse both hands extrude the negative pressure dish after from the top of negative pressure dish, utilize the exhaust hole of stopcock shutoff blast pipe, form the negative pressure in the negative pressure dish, reuse drainage tube to the patient needs the drainage position to carry out the drainage, make the drainage thing be drained to in the negative pressure dish gradually. After a period of drainage, the pressure in the vacuum pan may rise, leading to insufficient suction. At this time, people usually reduce the pressure in the negative pressure disc by squeezing the exhaust again. However, in the case of a drain already present in the vacuum pan, when the exhaust is pressed again, this leads to the drain splashing out of the exhaust pipe.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a vacuum aspiration ware with anti-overflow function is provided with feed liquor pipe and the blast pipe that is located the homonymy on negative pressure dish to and with the drain pipe of feed liquor pipe heterophase, be provided with a collection liquid bag in the below of drain pipe, when carrying out clinical drainage, drainage thing gets into negative pressure dish after, gets into a collection liquid bag through the drain pipe, reaches and utilizes the carminative mode of once more extrusion at people, when reducing negative pressure dish internal pressure, avoids drainage thing from the purpose that the blast pipe spattered outward.

The above technical object of the present invention can be achieved by the following technical solutions:

a negative pressure aspirator with an anti-overflow function comprises a negative pressure plate, a liquid inlet pipe, an air outlet pipe, a pipe plug for plugging the air outlet pipe and a liquid outlet pipe, wherein the liquid outlet pipe is arranged on one side of the negative pressure plate, and the liquid inlet pipe and the air outlet pipe are arranged on the other side of the negative pressure plate; and the liquid collecting bag is connected with the liquid outlet pipe and is used for collecting the drainage matters flowing out of the liquid outlet pipe.

Further, the extrusion direction of the negative pressure disc is perpendicular to the axial direction of the liquid inlet pipe. When the air in the negative pressure plate is discharged by a user through extruding the negative pressure plate, and the air pressure in the negative pressure plate is reduced, the influence of a liquid inlet pipe, an exhaust pipe, a liquid outlet pipe and the like on the extrusion work of the user can be effectively reduced.

Furthermore, the liquid collecting bag is provided with scale marks. Through this scale mark, the person of facilitating the use controls the drainage volume.

Further, a liquid collecting pipe is arranged on the liquid collecting bag; the liquid collecting pipe is detachably connected with the liquid outlet pipe. The detachable structure between the liquid collecting pipe and the liquid outlet pipe facilitates the replacement of the liquid collecting bag by a user after the liquid collecting bag is full of drainage matters.

Furthermore, a switch piece for opening and closing the liquid outlet pipe is arranged on the liquid outlet pipe. After the liquid collecting bag is filled with the drainage objects, the liquid outlet pipe is closed by the switch piece, so that the aim of avoiding the drainage objects from flowing out of the liquid outlet pipe when a user changes the liquid collecting bag is fulfilled.

Further, the switch member is a flow rate regulator. Through this flow rate regulator, when liquid collecting bag is fast full, utilize flow rate regulator to transfer little the circulation of drainage thing in the drain pipe, let in drain pipe, the liquid collecting pipe slowly get into liquid collecting bag in to when drainage thing in drain pipe, the liquid collecting pipe can be full of liquid collecting bag, close the drain pipe pipeline. The purpose of avoiding residual drainage in the liquid outlet pipe and the liquid collecting pipe when a user replaces the liquid collecting bag is achieved.

Furthermore, a plug is arranged on the liquid collecting pipe; the liquid outlet pipe is provided with a jack matched with the plug; the liquid collecting bag and the liquid outlet pipe are hermetically connected through the plug and the insertion hole. The plug and the jack respectively adopt a male luer connector and a female luer connector, so that the aim of facilitating a user to replace the liquid collecting bag is fulfilled while the sealing performance is ensured during drainage.

Furthermore, a plug for plugging the plug is arranged on the liquid collecting pipe. After the liquid collecting bag filled with the drainage materials is detached, the pipeline on the plug is plugged by the plug, so that the drainage materials in the liquid collecting bag are prevented from flowing out of the liquid collecting pipe.

Furthermore, a water stop clamp for opening and closing the pipeline of the liquid collecting pipe is arranged on the liquid collecting pipe. After the liquid collecting bag filled with the drainage materials is detached, the pipeline of the liquid collecting pipe is sealed by the water stopping clamp, and the purpose of preventing the drainage materials in the liquid collecting bag from flowing out of the liquid collecting pipe is achieved.

Further, the pipe diameter of the liquid collecting pipe is not smaller than that of the liquid outlet pipe. When drainage is performed, the transmission efficiency of the drainage materials between the negative pressure plate and the liquid collecting bag is ensured, and the purpose of reducing the accumulation amount of the drainage materials in the negative pressure plate is achieved.

Compared with the prior art, the utility model discloses following beneficial effect has:

a negative pressure aspirator with an anti-overflow function comprises a negative pressure plate, a liquid inlet pipe, an exhaust pipe, a liquid outlet pipe and a liquid collecting bag. The liquid inlet pipe and the exhaust pipe are arranged on one side of the negative pressure plate, the liquid outlet pipe is arranged on the other side of the negative pressure plate, and the liquid collecting bag is connected to the liquid outlet pipe. When clinical drainage is carried out, the drainage matter enters the negative pressure plate and then enters the liquid collection bag through the liquid outlet pipe. The purpose of preventing the drainage object from splashing outside the exhaust pipe when people reduce the pressure in the negative pressure disc by using a re-extrusion exhaust mode is achieved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:

FIG. 1 is a view of a negative pressure plate used in the prior art mentioned in the background;

FIG. 2 is a schematic structural view of the negative pressure suction apparatus with an anti-overflow function in the present embodiment when a plug is installed on the liquid collecting tube;

fig. 3 is a schematic structural view of the negative pressure suction apparatus with an anti-overflow function in the embodiment when a water stop clip is mounted on the liquid collecting pipe;

FIG. 4 is a schematic view of a flow rate regulator used in a switch member of the vacuum extractor with an anti-overflow function according to the present embodiment;

fig. 5 is a schematic view of a luer structure of a liquid collecting tube and a liquid outlet tube of a negative pressure suction apparatus with an anti-overflow function in this embodiment.

Reference numbers and corresponding part names in the drawings:

1-a negative pressure plate; 2-liquid inlet pipe; 3, exhausting the gas; 4-pipe plug; 5-a liquid outlet pipe; 6-liquid collecting bag; 7-graduation line; 8-a liquid collecting pipe; 9-a switch member; 10-a plug; 11-a jack; 12-plug; 13-water stop clip.

Detailed Description

To make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the following examples and drawings, and the exemplary embodiments and descriptions thereof of the present invention are only used for explaining the present invention, and are not intended as limitations of the present invention.

Example (b): as shown in fig. 2-5, a negative pressure aspirator with an anti-overflow function comprises a negative pressure plate 1, a liquid inlet pipe 2, an exhaust pipe 3, a pipe plug 4, a liquid outlet pipe 5 and a liquid collection bag 6.

Wherein, feed liquor pipe 2 and blast pipe 3 set up the upside at negative pressure dish 1, are connected with the drainage tube that is used for the drainage on feed liquor pipe 2, and stopcock 4 is stopped up on the mouth of pipe of blast pipe 3. The liquid outlet pipe 5 is arranged at the lower side of the negative pressure plate 1, and the liquid collecting bag 6 is connected to the liquid outlet end of the liquid outlet pipe 5. During the use, take out the stopcock 4 on the 3 mouths of pipe of blast pipe down earlier, extrude negative pressure dish 1 again, pass through blast pipe 3 with the air in the negative pressure dish 1 and discharge, after making negative pressure dish 1 form the negative pressure, with stopcock 4 shutoff again on the mouth of pipe of blast pipe 3, then utilize the drainage tube on the feed liquor pipe 2 to keep away from the one end of feed liquor pipe 2 and be close to the patient and need the drainage position, under the suction of negative pressure in negative pressure dish 1, need the drainage to the patient and position and carry out the drainage. In the drainage process, after being sucked by the drainage tube, the drainage object flows into the negative pressure plate 1 through the liquid inlet pipe 2, the drainage object entering the negative pressure plate 1 enters the liquid collection bag 6 through the liquid outlet pipe 5 on the lower side of the negative pressure plate 1 under the action of self gravity, the liquid collection bag 6 is positioned below the negative pressure plate 1, and the drainage object in the liquid collection bag 6 can be effectively prevented from flowing back to the negative pressure plate 1. After negative pressure dish 1 drainage a period of time, the negative pressure in the negative pressure dish 1 reduces or disappears, at this moment, takes off stopcock 4 on 3 mouths of pipe of blast pipe once more, extrudees negative pressure dish 1 again to the air in the negative pressure dish 1 of discharging once more makes the negative pressure in the negative pressure dish 1 form the negative pressure. In the process of squeezing the negative pressure plate 1 again, the drainage in the negative pressure plate 1 is collected and stored in the liquid collecting bag 6, so that the drainage can not be splashed out of the exhaust holes when the negative pressure plate 1 is squeezed. Through this structure, reach when people utilize the carminative mode of extrudeing once more, reduce negative pressure dish 1 internal pressure, avoid the drainage thing to spatter from the blast pipe 3 outward the purpose.

An alternative implementation of this embodiment: as shown in fig. 2 and 3, the pressing direction of the negative pressure plate 1 is perpendicular to the axial direction of the liquid inlet pipe 2 during pressing. Specifically, feed liquor pipe 2 and blast pipe 3 set up the upside at negative pressure dish 1, and drain pipe 5 sets up the downside at negative pressure dish 1, when carrying out negative pressure dish 1 extrusion, and the extrusion direction can be for from the left end right-hand member extrusion of negative pressure dish 1, from the right-hand member left end extrusion or from both ends to one of the middle three kinds of modes of extrusion. Through this structure, when utilizing the vacuum aspiration ware that has the anti-overflow function to carry out the drainage, collect liquid bag 6 and hang the lower extreme of establishing at negative pressure dish 1, make things convenient for under drainage thing gets into the condition of collecting liquid bag 6, reach the person of facilitating the use edgewise application of force for negative pressure dish 1, extrude negative pressure dish 1, the purpose of the interior air of negative pressure dish 1 of discharge.

An alternative implementation of this embodiment: as shown in fig. 2 and 3, the liquid collecting bag 6 is provided with scale marks 7. This scale mark 7 can set up in the inside of collecting liquid bag 6, also can set up in the outside of collecting liquid bag 6, can reach the person of facilitating the use and read the drainage volume of drainage thing in the collection liquid bag 6 can. Particularly, in the actual use process, when people drain a drainage part needed by a patient, a user needs to control the drainage quantity. Through this structure, the user can read, take notes in real time the drainage volume of drainage thing through the scale mark 7 on the collection liquid bag 6, and then reach the purpose that the person of facilitating the use carries out control to the drainage volume.

An alternative implementation of this embodiment: as shown in fig. 2 and 3, the liquid collecting bag 6 is provided with the liquid collecting tube 8, and the liquid collecting tube 8 is detachably connected with the liquid outlet tube 5, so that the purpose of conveniently detaching the liquid collecting bag 6 is achieved. Specifically, the detachable connection mode between the liquid collecting pipe 8 and the liquid outlet pipe 5 can be selected as flange connection, quick connector connection, socket connection or other connection modes, so that the purpose that the liquid collecting pipe 8 and the liquid outlet pipe 5 are detachable and are in a sealed state when the liquid collecting pipe 8 is connected with the liquid outlet pipe 5 can be achieved, and the purpose is not illustrated one by one here. In the drainage process, if the drainage volume is too big, when leading to album of liquid bag 6 to fill the drainage thing, the user can utilize the connected mode of dismantling between collector tube 8 and the drain pipe 5, pull down the collection liquid bag 6 of filling with the drainage thing to install new collection liquid bag 6, avoid appearing gathering liquid bag 6 and fill up the back, a large amount of drainage thing is piled up in negative pressure dish 1, influences the air in the negative pressure dish 1 of discharging once more, makes the condition of the interior negative pressure operation that forms of negative pressure dish 1. Through this structure, reach the person of facilitating the use in time and change album liquid bag 6, guarantee the less purpose of drainage thing in negative pressure dish 1, sealing connection between collector tube 8 and the drain pipe 5 simultaneously reaches the purpose of avoiding the drainage thing from the gap escape between collector tube 8 and the drain pipe 5 at the drainage in-process.

An alternative implementation of this embodiment: as shown in fig. 2 and 3, the liquid outlet pipe 5 is provided with a switch 9. Specifically, the switch 9 may be a water stopper 13, a water stop valve or other clamping mechanism, which can open and close the outlet pipe 5, and this is not illustrated here. In utilizing this negative pressure suction apparatus with anti-overflow function to carry out the drainage in-process to patient's needs drainage position, if discovery drainage thing collection is full to collect liquid bag 6, when needing to change new collection liquid bag 6, the user can close drain pipe 5 pipelines through operating switch spare 9, stops the drainage thing from drain pipe 5 outflow action, makes the drainage thing by temporary collection exist in negative pressure disk 1, meanwhile, the user dismantles down collection liquid bag 6 to change new collection liquid bag 6. After the new liquid collecting bag 6 of user is changed, the user operates switch 9 once more, opens drain pipe 5 pipeline, makes the drainage thing in the negative pressure disk 1 continue to pass through drain pipe 5 drainage to in the liquid collecting bag 6. Through this structure, reach the convenience and be the purpose that the courier opens or closes drain pipe 5 pipeline outflow drainage as required, and then reach when the user changes album liquid bag 6, avoid the drainage thing to flow from in the drain pipe 5, dirty indiscriminate use place's purpose.

An alternative implementation of this embodiment: as shown in fig. 2 to 4, the above-mentioned switching member 9 is selected as a flow rate regulator. Specifically, the flow rate regulator is structured as a drip infusion bottle infusion tube controller. In the specific use, wear to establish on drain pipe 5 with this bit transfusion bottle infusion tube controller, when drainage is full soon in album liquid bag 6, lead to the gyro wheel on this bit transfusion bottle infusion tube controller of should rotating, deepen the degree of compaction of gyro wheel on drain pipe 5, make 5 pipeline flows of drain pipe reduce, thereby make the drainage slowly fill to album liquid bag 6 in, when album liquid bag 6 will be full, utilize this bit transfusion bottle infusion tube controller to close 5 pipelines of drain pipe, after drain pipe 5 closes, remaining drainage gets into collection liquid bag 6 under self action of gravity on drain pipe 5 and the collection liquid pipe 8, and fill collection liquid bag 6. At this time, the user detaches the liquid collecting bag 6 again, replaces the liquid collecting bag 6 with a new one, and opens the liquid outlet pipe 5 by using the infusion bottle and infusion pipe controller. Through this structure, when collecting liquid bag 6 and dismantling and change, can fully collect drain in drain pipe 5 and the header pipe 8, reach and avoid drain pipe 5 and header pipe 8 in remaining drain, and then when the user dismantles or changes collection liquid bag 6, remaining drain commodity circulation flows out in drain pipe 5 or header pipe 8, the purpose in dirty indiscriminate use place. Simultaneously, this flow rate regulator can the convenience of customers according to the big or small purpose of the big or small flow quantity of 5 mouth of pipe drainage commodity circulation of drainage volume of drainage.

An alternative implementation of this embodiment: as shown in fig. 2, 3 and 5, a plug 10 is disposed on the liquid collecting tube 8, a plug hole 11 adapted to the plug 10 is disposed on the liquid outlet tube 5, the liquid collecting tube 8 and the liquid outlet tube 5 are detachably connected through the plug 10 and the plug hole 11, and when the plug 10 is inserted into the plug hole 11, the liquid collecting tube 8 and the liquid outlet tube 5 are hermetically connected. Specifically, the plug 10 is selected to be a male luer, and the socket 11 is a female luer fitting fitted to the male luer. Through this structure, reach the purpose that facilitates the use dismouting collection liquid bag 6 and guarantee the air tightness in the use.

An alternative implementation of this embodiment: as shown in figure 2, a plug 12 is arranged on the collecting pipe 8, and the plug 12 is matched with a pipeline on a plug 10 on the collecting pipe 8. Specifically, collect the full drainage thing at collection liquid bag 6, the user dismantles this collection liquid bag 6 back, with this end cap 12 shutoff in the pipeline of plug 10 on collecting liquid pipe 8, reaches the purpose of avoiding the drainage thing in collection liquid bag 6 to flow from collecting liquid pipe 8 in, and then reaches the purpose that the person of facilitating the use removed this collection liquid bag 6.

An alternative implementation of this embodiment: as shown in fig. 3, another detachable connection method having a sealing function is adopted between the liquid collecting tube 8 and the liquid outlet tube 5, and when the connection is performed, a water stop clip 13 is provided on the liquid collecting tube 8. Specifically, collect the full drainage thing at collection bag 6, the user dismantles this collection bag 6 back, utilizes this stagnant water to press from both sides 13 and clip collector tube 8, makes collector tube 8's pipeline be in the encapsulated situation, reaches the purpose of avoiding the drainage thing in collection bag 6 to flow from in the collector tube 8, and then reaches the purpose that the person of facilitating the use removed this collection bag 6.

An alternative implementation of this embodiment: as shown in fig. 2-3, the diameter of the liquid collecting pipe 8 is not less than that of the liquid outlet pipe 5. Specifically, in the drainage process, if the drainage quantity is large, in order to reduce the quantity of the drainage matter in the negative pressure plate 1, the outlet pipe 5 is in the state of the maximum flow. Through the mode that sets up the pipe diameter of collecting pipe 8 for being no less than drain pipe 5's pipe diameter, can reach under this state and make the purpose that 8 fluxes of collecting pipe satisfy 5 fluxes of drain pipe. And then reach and avoid being less than 5 pipe diameters of drain pipe because of the 8 pipe diameters of collector pipe, cause the drainage thing to pile up at the kneck of collector pipe 8 and drain pipe 5, pile up the purpose in negative pressure dish 1 then. Thereby effectively ensuring the transmission efficiency of the drainage matter between the negative pressure plate 1 and the liquid collection bag 6.

The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above description is only the embodiments of the present invention, and is not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims (10)

1. The utility model provides a vacuum aspiration ware with anti-overflow function, includes negative pressure dish (1), feed liquor pipe (2), blast pipe (3) and is used for the shutoff stopcock (4) of blast pipe (3), its characterized in that:

the negative pressure plate is characterized by further comprising a liquid outlet pipe (5), wherein the liquid outlet pipe (5) is arranged on one side of the negative pressure plate (1), and the liquid inlet pipe (2) and the exhaust pipe (3) are arranged on the other side of the negative pressure plate (1);

and the liquid collecting bag (6) is connected with the liquid outlet pipe (5) and is used for collecting drainage flowing out of the liquid outlet pipe (5).

2. The negative pressure aspirator with the overflow preventing function, according to claim 1, is characterized in that:

the extrusion direction of the negative pressure plate (1) is perpendicular to the axial direction of the liquid inlet pipe (2).

3. The negative pressure aspirator with the overflow preventing function, according to claim 1, is characterized in that:

the liquid collection bag (6) is provided with scale marks (7).

4. The negative pressure aspirator with an overflow preventing function, according to any one of claims 1 to 3, wherein:

a liquid collecting pipe (8) is arranged on the liquid collecting bag (6);

the liquid collecting pipe (8) is detachably connected with the liquid outlet pipe (5).

5. The negative pressure aspirator with anti-overflow function according to claim 4, wherein:

and a switch piece (9) for opening and closing the liquid outlet pipe (5) is arranged on the liquid outlet pipe (5).

6. The negative pressure aspirator with the overflow preventing function, according to claim 5, is characterized in that:

the switch member (9) is a flow rate regulator.

7. The negative pressure aspirator with the overflow preventing function, according to claim 4, is characterized in that:

a plug (10) is arranged on the liquid collecting pipe (8);

the liquid outlet pipe (5) is provided with an insertion hole (11) matched with the plug (10);

the liquid collecting bag (6) is hermetically connected with the liquid outlet pipe (5) through the plug (10) and the insertion hole (11).

8. The negative pressure aspirator with the overflow preventing function, according to claim 7, is characterized in that:

and a plug (12) for plugging the plug (10) is arranged on the liquid collecting pipe (8).

9. The negative pressure aspirator with the overflow preventing function, according to claim 4, is characterized in that:

and a water stop clamp (13) for opening and closing the pipeline of the liquid collecting pipe (8) is arranged on the liquid collecting pipe (8).

10. The negative pressure aspirator with anti-overflow function according to claim 4, wherein:

the pipe diameter of the liquid collecting pipe (8) is not less than that of the liquid outlet pipe (5).

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