CN211050393U

CN211050393U - Filter negative pressure suction device

Info

Publication number: CN211050393U
Application number: CN201921562503.2U
Authority: CN
Inventors: 王立伟; 王佳伟; 李学静; 刘妮娜
Original assignee: Hebei Provincial Hospital Of Traditional Chinese Medicine
Current assignee: Hebei Provincial Hospital Of Traditional Chinese Medicine
Priority date: 2019-08-23
Filing date: 2019-09-19
Publication date: 2020-07-21
Anticipated expiration: 2029-09-19

Abstract

The utility model relates to a filtering negative pressure suction device, which comprises a suction bottle, a collecting bottle positioned at the upper part of the suction bottle and a return pipe arranged on the collecting bottle; the top of the suction bottle is provided with a negative pressure tube and a suction tube; the collecting bottle comprises a lower bottle body and an upper bottle body, and the upper end of the lower bottle body is detachably connected with the lower end of the upper bottle body; the bottom of the lower bottle body is provided with a connecting pipe connected with the suction pipe, the side part of the connecting pipe is provided with a backflow port, the inner wall of the lower bottle body is provided with a boss, a first filter screen is placed on the boss, the side wall of the lower bottle body is provided with an overflow port, the end part or the middle part of the overflow port is provided with a second filter screen, and the overflow port is positioned above the first filter screen; the top of the upper bottle body is provided with a suction port; one end of the return pipe is connected with the overflow port, and the other end of the return pipe is connected with the return port. The utility model has the advantages of reasonable design, easy operation, convenient to use has improved the accuracy of analysis result and the efficiency of operation.

Description

Filter negative pressure suction device

Technical Field

The utility model relates to the technical field of medical equipment, specifically speaking relates to a filter negative pressure suction device.

Background

At present, when the artificial abortion is carried out in the obstetrics and gynecology department, negative pressure devices are generally adopted to absorb uterine cavity tissues or pregnant sacs, including uterine cavity contents such as villi, blood clots, amniotic fluid and the like. At present, before the examination, the uterine cavity tissue is filtered out by filtering gauze, and then the uterine cavity tissue is repeatedly washed so as to check whether the villus tissue is complete or not, whether the operation is smooth or not, and the examination efficiency is reduced. In the prior art, CN202458617U provides an induced abortion suction bottle with simple structure and convenient use, but the accuracy of the operation analysis result is influenced for a long time because the filter screen is difficult to take out and clean. CN208910423U structure is complicated, and processing is inconvenient, and is disposable, increases cost and causes the energy waste.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the defect that exists among the prior art, provide a simple structure, convenient operation's filtration negative pressure suction device.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a filtering negative pressure suction device comprises a suction bottle, a collecting bottle positioned at the upper part of the suction bottle and a return pipe arranged on the collecting bottle; the top of the suction bottle is provided with a negative pressure tube and a suction tube; the collecting bottle comprises a lower bottle body and an upper bottle body, and the upper end of the lower bottle body is detachably connected with the lower end of the upper bottle body; the bottom of the lower bottle body is provided with a connecting pipe connected with the suction pipe, the side part of the connecting pipe is provided with a backflow port, the inner wall of the lower bottle body is provided with a boss, a first filter screen is placed on the boss, the side wall of the lower bottle body is provided with an overflow port, the end part or the middle part of the overflow port is provided with a second filter screen, and the overflow port is positioned above the first filter screen; the top of the upper bottle body is provided with a suction port; one end of the return pipe is connected with the overflow port, and the other end of the return pipe is connected with the return port.

Furthermore, the upper end of the lower bottle body is provided with an external thread section; the lower end of the upper bottle body is provided with an internal thread section matched with the upper bottle body.

Further, first filter screen slope sets up, the boss is the whole annular shape of slope or is the lug of a plurality of independent settings.

Further, a groove is formed around one end, located in the lower bottle body, of the overflow port, and the second filter screen is installed in the groove.

Furthermore, the second filter screen is provided with an inserting ring matched with the groove along the edge of the second filter screen.

Further, the suction bottle is made of disposable compressible plastic materials.

Furthermore, the suction bottle is made of transparent glass.

Further, the collecting bottle is made of transparent materials.

Further, an adapter is installed on the connecting pipe.

The utility model discloses divide into upper and lower two parts with the receiving flask, combine gravity and negative pressure suction, with palace chamber aspirate thing effective filtration to make things convenient for the filter screen to take out the washing, and be equipped with reflux unit on the receiving flask, can effectively adjust the interior blocking problem of receiving flask, the suction flask can be disposable article also reuse, has overcome the too much sanitary problems such as difficult washing of palace chamber thing promptly, has also considered the energy utilization problem.

The utility model has the advantages of reasonable design, easy operation, convenient to use has improved the accuracy of analysis result and the efficiency of operation.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention;

fig. 2 is a schematic structural diagram of embodiment 2 of the present invention;

FIG. 3 is a schematic view of the structure of the collection bottle of the present invention;

FIG. 4 is a schematic view of a second screen mounting structure of the present invention;

wherein: 1 suction bottle, 1-1 negative pressure tube, 1-2 suction tube, 2 collection bottle, 2-1 lower bottle body, 2-2 upper bottle body, 2-3 connecting tube, 2-4 return port, 2-5 boss, 2-6 first filter screen, 2-7 overflow port, 2-8 groove, 2-9 second filter screen, 2-10 suction port, 2-11 external thread section, 2-12 internal thread section, 2-13 splicing ring and 3 return tube.

Detailed Description

To make the objects, aspects and advantages of the present invention clearer and more fully described below with reference to the following detailed description, it is to be understood that the terms "vertical", "horizontal", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations and positional relationships based on the drawings, and are used for convenience of description and simplicity of description only, but do not indicate or imply that the designated device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the present invention.

Example 1

The negative pressure filter suction device as shown in fig. 1 comprises a suction bottle 1, a collecting bottle 2 and a return pipe 3. The top of the suction bottle 1 is provided with a negative pressure tube 1-1 and a suction tube 1-2, the negative pressure tube 1-1 is used for being connected with an electric suction apparatus, the suction tube 1-2 is used for being connected with a collection bottle 2, the upper end of the collection bottle 2 is connected with the uterine cavity of a human body through a pipeline, and the uterine cavity tissue is sucked into the collection bottle 2 by utilizing the negative pressure generated by the electric suction apparatus.

The collecting bottle 2 comprises a lower bottle body 2-1 and an upper bottle body 2-2 which are arranged from bottom to top, an external thread section 2-11 is arranged at the upper part of the lower bottle body 2-1, an internal thread section matched with the external thread section 2-11 is arranged at the lower part of the upper bottle body 2-2, and the upper bottle body 2-2 is detachably connected with the lower bottle body 2-1 through threads.

As shown in figure 3, the lower end of the lower bottle body 2-1 is provided with a connecting pipe 2-3 connected with a suction pipe 1-2, and a clamp can be arranged at the connecting position to ensure the tightness (not shown in the figure). The side part of the connecting pipe 2-3 is provided with a return port 2-4, the side wall of the lower bottle body 2-1 is provided with an overflow port 2-7, one end of the return pipe 3 is connected with the return port 2-4, and the other end is connected with the overflow port 2-1 to form a bypass passage. A groove 2-8 is arranged at the joint of the inner side of the lower bottle body 2-1 and the overflow port 2-7, and the groove 2-8 is fixedly connected with the second filter screen 2-9 through an inserting ring 2-13 matched with the groove 2-8 along the edge of the second filter screen 2-9. The lower bottle body 2-1 is internally provided with a plurality of bosses 2-5 which are distributed on the side wall of the lower bottle body 2-1, the bosses 2-5 are provided with first filter screens 2-6, the first filter screens 2-6 have certain included angles with the horizontal plane, the blockage occurrence rate is effectively reduced, and the upper part of the upper bottle body 2-2 is provided with a suction port 2-10 which is communicated with the uterine cavity of a human body through a pipeline.

The collecting bottle 2 is made of transparent materials, such as hard plastic materials, the suction bottle 1 is made of transparent materials and is a compressible disposable product, the suction bottle 1 is compressed and packaged before leaving a factory, the transportation is convenient, and the collecting bottle can be directly opened during clinical use.

As shown in the attached figure 2, the collecting bottle is made of hard plastic transparent material, and the connecting pipe and the suction pipe at the top are arranged on the cover of the glass bottle, so that the observation is convenient and the cost is reduced. The suction bottle 1 is made of transparent material and can be used for many times, for example, the suction bottle 1 can be made of glass, and after the operation is finished, the suction bottle 1 can be detached and reused after being cleaned and disinfected. The device has simple structure and convenient operation, saves the time of medical staff and saves energy.

In order to adapt to different material absorption bottles of different hospitals, the lower part of the connecting pipe 2-3 of the utility model can be set to be different diameters, and can also be matched with an adapter (not shown in the figure).

Before operation, the compressed suction bottle 1 is taken out, a negative pressure tube 1-1 of the suction bottle 1 is connected with an electric suction apparatus, a suction tube 1-2 is connected with a collection bottle 2, and a suction port 2-10 of the collection bottle 2 is connected with a uterine cavity of a human body through a pipeline. In the operation process, the solid-liquid mixture in the uterine cavity tissue is sucked into the collecting bottle 2, the liquid such as blood flows into the sucking bottle 1 through the first filter screen 2-6, and the solid, the fluff and other substances are left on the first filter screen 2-6. When the solid is too much, the liquid such as blood can flow to the suction bottle 1 through the overflow port 2-7, the return pipe 3 and the return port 2-4 after being filtered by the second filter screen 2-9. After the operation is finished, the upper bottle body 1-2 and the lower bottle body 1-1 are unscrewed, and the tissue remaining on the filter screen can be directly inspected. The suction bottle 1 can be detached and directly recycled. The device has simple structure and convenient operation, and saves the time of medical staff.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the embodiments of the present invention.

Claims

1. A filtering negative pressure suction device is characterized by comprising a suction bottle (1), a collecting bottle (2) positioned at the upper part of the suction bottle (1) and a return pipe (3) arranged on the collecting bottle; the top of the suction bottle (1) is provided with a negative pressure tube (1-1) and a suction tube (1-2); the collecting bottle (2) comprises a lower bottle body (2-1) and an upper bottle body (2-2), and the upper end of the lower bottle body (2-1) is detachably connected with the lower end of the upper bottle body (2-2); the bottom of the lower bottle body (2-1) is provided with a connecting pipe (2-3) connected with the suction pipe (1-2), the side part of the connecting pipe (2-3) is provided with a backflow port (2-4), the inner wall of the lower bottle body (2-1) is provided with a boss (2-5), a first filter screen (2-6) is placed on the boss (2-5), the side wall of the lower bottle body (2-1) is provided with an overflow port (2-7), the end part or the middle part of the overflow port (2-7) is provided with a second filter screen (2-9), and the overflow port (2-7) is positioned above the first filter screen (2-6); the top of the upper bottle body (2-2) is provided with a suction port (2-10); one end of the return pipe (3) is connected with the overflow port (2-7), and the other end is connected with the return port (2-4).

2. The negative pressure suction device for filtration according to claim 1, wherein the upper end of the lower bottle body (2-1) is provided with an external thread section (2-11); the lower end of the upper bottle body (2-2) is provided with an internal thread section (2-12) matched with the upper bottle body.

3. A filtering negative pressure suction device according to claim 1 or 2, characterized in that the first filter screen (2-6) is arranged obliquely, and the bosses (2-5) are in the shape of oblique integral circular bars or a plurality of independently arranged lugs.

4. A filtering negative pressure suction device according to claim 1, characterized in that a groove (2-8) is provided around one end of the overflow port (2-7) in the lower bottle body (2-1), and the second filter screen (2-9) is installed in the groove (2-8).

5. A filtering vacuum suction device according to claim 4, characterized in that the second filter screen (2-9) is provided along its edge with a plug-in ring (2-13) cooperating with the groove (2-8).

6. The suction filter unit according to claim 1, wherein the suction bottle (1) is made of disposable compressible plastic material.

7. The suction device according to claim 1, wherein the suction bottle (1) is made of transparent glass.

8. A filtering vacuum suction device according to claim 1, characterized in that the collecting bottle (2) is of transparent material.

9. A filtering vacuum suction device according to claim 1, characterized in that the connecting pipe (2-3) is provided with a coupling.