CN220757743U - Negative pressure suction device - Google Patents

Negative pressure suction device Download PDF

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Publication number
CN220757743U
CN220757743U CN202321079338.1U CN202321079338U CN220757743U CN 220757743 U CN220757743 U CN 220757743U CN 202321079338 U CN202321079338 U CN 202321079338U CN 220757743 U CN220757743 U CN 220757743U
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CN
China
Prior art keywords
annular boss
bottle
negative pressure
vacuum tube
filter element
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Application number
CN202321079338.1U
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Chinese (zh)
Inventor
田川
苗铮华
陈邦杰
顾凯
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Shanghai Changde Medical Technology Co ltd
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Shanghai Changde Medical Technology Co ltd
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Abstract

The utility model relates to the technical field of medical instruments, in particular to a negative pressure suction device. The utility model provides a negative pressure suction device, which comprises a shell, a vacuum pump and a collecting bottle, wherein the vacuum pump is arranged in the shell and is used for providing a negative pressure suction source for the negative pressure suction device, the collecting bottle is used for collecting sucked liquid, the collecting bottle is arranged in the shell and is internally provided with a vacuum tube, the vacuum tube is connected with the vacuum pump, an anti-overflow filter element is arranged in the collecting bottle and is fixedly connected with the vacuum tube, and the anti-overflow filter element can prevent liquid from flowing into the vacuum pump. Because the vacuum tube is arranged in the collecting bottle, the vacuum tube is communicated with the vacuum pump, in the process of collecting liquid, the liquid level can submerge the vacuum tube more and more, and the overflow-preventing filter element is arranged in the vacuum tube, so that the liquid can be prevented from flowing into the vacuum pump through the vacuum tube.

Description

Negative pressure suction device
Technical Field
The utility model relates to the technical field of medical instruments, in particular to a negative pressure suction device.
Background
The phenomenon that abnormal substances which are insoluble in blood and appear in circulating blood and move to far along with blood flow to block a blood vessel cavity is called embolism, and the embolism is the third largest cardiovascular death cause which is next to coronary heart disease and apoplexy, and has the characteristics of high incidence rate, high disability rate and high death rate, so that the improvement of the prevention rate of venous thromboembolism is extremely important.
The negative pressure suction device can smoothly suck out thrombus, and is a 'sharp tool' for treating venous thromboembolism. In the prior art, the negative pressure suction device mainly relies on operators to observe the capacity of sucking liquid manually, but in the sucking process, the operators cannot observe the capacity of liquid in the collecting bottle in time, so that the liquid flows into the vacuum pump through the vacuum tube, the vacuum pump is damaged, and the thrombus sucking work is affected.
Therefore, a negative pressure suction device is needed to solve the above technical problems.
Disclosure of Invention
The utility model aims to provide a negative pressure suction device which can prevent liquid from flowing into a vacuum pump through a vacuum tube.
To achieve the purpose, the utility model adopts the following technical scheme:
a negative pressure suction device, comprising:
a housing;
the vacuum pump is arranged in the shell and is used for providing a negative pressure suction source for the negative pressure suction device;
the collecting bottle is used for collecting the sucked liquid and is arranged on the shell;
the collecting bottle is internally provided with a vacuum tube, the vacuum tube is connected with the vacuum pump, the collecting bottle is internally provided with an anti-overflow filter element, the anti-overflow filter element is fixedly connected with the vacuum tube, and the anti-overflow filter element can prevent liquid from flowing into the vacuum pump.
As a preferable technical scheme of the negative pressure suction device, the anti-overflow filter element is arranged at the top of the inner cavity of the vacuum tube.
As a preferred technical scheme of the negative pressure suction device, a first annular boss and a plurality of limit ribs are arranged at the top of the vacuum tube inner cavity, the first annular boss is arranged in the vacuum tube inner cavity, the first annular boss is fixedly connected with the inner side wall of the vacuum tube, a first through hole is formed in the first annular boss, the limit ribs are circumferentially arranged in the vacuum tube inner cavity and connected with the inner side wall of the vacuum tube, and the limit ribs are arranged at the top of the first annular boss and are propped against the outer wall of the anti-overflow filter element.
As a preferable technical scheme of the negative pressure suction device, the anti-overflow filter element is a hollow cylinder, one end of the anti-overflow filter element is open, the other end of the anti-overflow filter element is closed, the first annular boss extends into the open end of the anti-overflow filter element, and the first annular boss is in interference fit with the anti-overflow filter element.
As a preferable technical scheme of the negative pressure suction device, the anti-overflow filter element is a water-sealed filter element.
As a preferred technical scheme of above-mentioned negative pressure suction device, the collecting bottle still includes bottle lid, body and bottle end, be provided with the import on the bottle lid, the suction tube can be connected to the import, bottle lid sealing connection in the body, the body bottom is provided with first connecting portion, the bottle end set up in inside the collecting bottle, the vacuum tube set up in the bottle end top, the bottle end is provided with the second through-hole, the vacuum tube passes through the second through-hole with the vacuum pump is connected.
As a preferable technical scheme of the negative pressure suction device, the bottle bottom is provided with a second annular boss, the second annular boss is of a hollow structure, the second annular boss is arranged at the bottom of the bottle bottom and is connected with the vacuum tube through the second through hole, and the second annular boss is connected with the vacuum pump.
As a preferable technical scheme of the negative pressure suction device, the second annular boss is provided with a mounting groove, and a sealing ring is arranged in the mounting groove.
As a preferable technical scheme of the negative pressure suction device, the negative pressure suction device further comprises a mounting seat, the mounting seat is fixedly arranged outside the shell, the mounting seat is connected with the vacuum pump, and the collecting bottle is arranged on the mounting seat.
As a preferred technical scheme of above-mentioned negative pressure suction device, the mount pad includes third annular boss, second connecting portion and bracing piece, third annular boss is hollow structure, the second annular boss with third annular boss interference fit, third annular boss bottom is provided with the gas pocket, the gas pocket pass through the connecting pipe with the vacuum pump is connected, second connecting portion set up in the mount pad periphery, first connecting portion can with second connecting portion can dismantle the connection, the bracing piece set up in the mount pad bottom.
The utility model has the beneficial effects that: the utility model provides a negative pressure suction device, which comprises a shell, a vacuum pump and a collecting bottle, wherein the vacuum pump is arranged in the shell and is used for providing a negative pressure suction source for the negative pressure suction device, the collecting bottle is used for collecting sucked liquid, the collecting bottle is arranged in the shell and is internally provided with a vacuum tube, the vacuum tube is connected with the vacuum pump, an anti-overflow filter element is arranged in the collecting bottle and is fixedly connected with the vacuum tube, and the anti-overflow filter element can prevent liquid from flowing into the vacuum pump. Because the vacuum tube is arranged inside the collecting bottle, the vacuum tube is communicated with the vacuum pump, in the process of collecting liquid, the liquid level can submerge the vacuum tube more and more, and the overflow-preventing filter element is arranged in the collecting bottle, so that the liquid can be prevented from flowing into the vacuum pump through the vacuum tube.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following description will briefly explain the drawings needed in the description of the embodiments of the present utility model, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the contents of the embodiments of the present utility model and these drawings without inventive effort for those skilled in the art.
Fig. 1 is a first isometric view of a negative pressure suction device according to an embodiment of the present utility model;
FIG. 2 is a cross-sectional view of a collection bottle and mounting base combination provided in an embodiment of the present utility model;
FIG. 3 is a cross-sectional view of a collection bottle provided by an embodiment of the present utility model;
FIG. 4 is a cross-sectional view of a mounting base provided by an embodiment of the present utility model;
fig. 5 is a second isometric view of a negative pressure suction device according to an embodiment of the present utility model.
In the figure:
1. a housing;
2. a collection bottle; 21. a vacuum tube; 211. a first annular boss; 212. a limit rib; 22. an anti-overflow filter element; 23. a bottle cap; 231. an inlet; 24. a bottle body; 241. a first connection portion; 25. a bottle bottom; 251. a second annular boss; 2511. a mounting groove;
3. a filter screen;
4. a mounting base; 41. a third annular boss; 411. air holes; 42. a second connecting portion; 43. a support rod;
5. and outputting the socket.
Detailed Description
The utility model is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present utility model are shown in the drawings.
In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "right", etc. orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.
As shown in fig. 1 to 5, the present utility model provides a negative pressure suction device for sucking thrombus, which includes a housing 1, a vacuum pump, and a collection bottle 2.
Referring to fig. 1 and 2 specifically, the vacuum pump is disposed inside the casing 1, the vacuum pump is used for providing a negative pressure suction source for the negative pressure suction device, the collecting bottle 2 is disposed on the outer side wall of the casing 1, the collecting bottle 2 is used for collecting sucked liquid, the vacuum tube 21 is disposed in the collecting bottle 2, the vacuum tube 21 is connected with the vacuum pump, the anti-overflow filter element 22 is disposed in the collecting bottle 2, the anti-overflow filter element 22 is fixedly connected with the vacuum tube 21, and the anti-overflow filter element 22 can prevent liquid from flowing into the vacuum pump. Because the vacuum tube 21 is arranged inside the collecting bottle 2, the vacuum tube 21 is communicated with the vacuum pump, a negative pressure environment is manufactured for the collecting bottle 2 through the vacuum pump, in the process of collecting liquid, more and more liquid can submerge the vacuum tube 21, and the overflow-preventing filter element 22 is arranged in the collecting bottle 2, so that liquid can be prevented from flowing into the vacuum pump through the vacuum tube 21, and the vacuum pump is prevented from being damaged.
Further, as shown in fig. 1, the negative pressure suction device further comprises a mounting seat 4, the mounting seat 4 is fixedly arranged outside the shell 1, the mounting seat 4 is connected with a vacuum pump inside the shell 1, the mounting seat 4 is positioned at the bottom of the collecting bottle 2, the collecting bottle 2 is detachably connected with the mounting seat 4, and the collecting bottle 2 is convenient to mount and dismount.
Further, as shown in fig. 2, the anti-overflow filter 22 comprises an anti-overflow filter 22, the anti-overflow filter 22 is arranged at the top of the inner cavity of the vacuum tube 21, so that the liquid overflowed from the collecting bottle 2 can be contacted with the anti-overflow filter 22 faster, more liquid is prevented from flowing into the vacuum tube 21, the bottom surface of the anti-overflow filter 22 is abutted with the bottom of the inner cavity of the vacuum tube 21, the peripheral side surface of the anti-overflow filter 22 is abutted with the cavity wall of the inner cavity of the vacuum tube 21, the top surface of the anti-overflow filter 22 is higher than the top of the vacuum tube 21, and the anti-overflow filter 22 is convenient to install and press and fix.
Still further, the anti-overflow filter element 22 is made of ultra-high molecular weight polyethylene, the anti-overflow filter element 22 is a water-sealed filter element, which is also called a self-sealed filter element or an anti-overflow filter element, and is obtained by embedding a polymer elastomer into a porous structure of a polyethylene sintered filter element through a special process. In the dry state, the polymeric elastomer does not swell and the airways between the polyethylene networks remain highly breathable. After contacting with water, the polymer elastomer expands rapidly to block the porous structure, the air passage is closed, and the water solution cannot pass through. The anti-overflow filter 22 prevents liquid from flowing into the vacuum tube 21 and thus into the vacuum pump through the vacuum tube 21.
Further, as shown in fig. 2 and 3, in order to make the installation of the spill-resistant filter 22 in the inner cavity of the vacuum tube 21 more secure. The anti-overflow filter element 22 is hollow cylinder, the one end opening of anti-overflow filter element 22, the other end of anti-overflow filter element 22 is sealed, be provided with first annular boss 211 and a plurality of spacing muscle 212 at the top of vacuum tube 21 inner chamber, the inside wall fixed connection of first annular boss 211 and vacuum tube 21, and the lateral wall of first annular boss 211 has the clearance with the inside wall of vacuum tube 21, make things convenient for the open end cover of anti-overflow filter element 22 to locate first annular boss 211, be provided with first through-hole on the first annular boss 211, gas can pass through first through-hole, spacing muscle 212 circumference sets up in the vacuum tube 21 inner chamber and with the lateral wall fixed connection of vacuum tube 21, and spacing muscle 212 sets up in the top of first annular boss 211, be used for fixed anti-overflow filter element 22 that is located vacuum tube 21 inner chamber top and spacing, spacing muscle 212 and anti-overflow filter element 22 outer wall butt, because the material of anti-overflow filter element 22 is flexible material, make the open end of anti-overflow filter element 22 tightly wrap up first annular boss 211, simultaneously spacing muscle 212 extrudees anti-overflow filter element 22, therefore, when installing anti-overflow filter element 22, only need press down the direction blind end of first annular boss 211 and make anti-overflow filter element 22 closely install between the filter element 22 and the effect that the filter element 22 is better through the anti-overflow filter element 22.
Further, as shown in fig. 2 and 3, the collecting bottle 2 further comprises a bottle cap 23, a bottle body 24 and a bottle bottom 25, an inlet 231 is arranged on the bottle cap 23, the inlet 231 can be connected with a suction tube in a sealing manner, the sucked thrombus enters the collecting bottle 2 through the inlet 231, and the bottle cap 23 is connected with the bottle body 24 in a sealing manner. In this embodiment, the bottle cap 23 is fastened to the bottle body 24 in a sealing manner, and before the bottle cap 23 is fastened to the bottle body 24 in a sealing manner, the filter screen 3 and the anti-overflow filter 22 are mounted on the collecting bottle 2, and the filter screen 3 is used for filtering thrombus solids and blood. Of course, in other embodiments, the bottle cap 23 may be detachably connected to the bottle body 24 by a threaded connection or the like. The body 24 bottom is provided with the installation and the dismantlement of first connecting portion 241 convenience collecting bottle 2, be provided with the scale mark on the body 24, make things convenient for doctor to observe the blood volume of suction, the bottle end 25 sets up in collecting bottle 2 inside, vacuum tube 21 sets up in the top of bottle end 25, the bottom of bottle end 25 is provided with second annular boss 251, set up the second through-hole between vacuum tube 21 and the second annular boss 251, vacuum tube 21 and second annular boss 251 pass through the second through-hole intercommunication, second annular boss 251 is hollow structure, second annular boss 251 sets up in the bottom of bottle end 25, second annular boss 251 and vacuum tube 21 intercommunication, second annular boss 251 can with third annular boss 41 sealing connection, and second annular boss 251 and third annular boss 41 are spacing each other, second annular boss 251 is provided with mounting groove 2511, be provided with the sealing washer in the mounting groove 2511, increase second annular boss 251 and third annular boss 41 junction's leakproofness.
Further, as shown in fig. 4, the mounting seat 4 comprises a third annular boss 41, a second connecting part 42 and a supporting rod 43, the third annular boss 41 is of a hollow structure, the diameter of the third annular boss 41 is larger than that of the second annular boss 251, the second annular boss 251 can be inserted into the third annular boss 41, the second annular boss 251 is tightly connected with the third annular boss 41, the second annular boss 251 is provided with a plurality of mounting grooves 2511, a sealing ring is arranged in the mounting groove 2511 and protrudes out of the mounting groove 2511, the sealing ring is abutted against the inner wall of the third annular boss 41, the tightness of the joint of the second annular boss 251 and the third annular boss 41 is increased, an air hole 411 is arranged at the bottom of the third annular boss 41, the air hole 411 is hermetically provided with an air pipe joint, the air pipe joint is connected with a vacuum pump through a connecting pipe, the second connecting portion 42 is disposed on the outer periphery of the mounting seat 4, the first connecting portion 241 can be detachably connected with the second connecting portion 42, in this embodiment, the first connecting portion 241 and the second connecting portion 42 have threaded structures, the first connecting portion 241 and the second connecting portion 42 are in threaded connection, of course, in other embodiments, the first connecting portion 241 and the second connecting portion 42 can be fastened, when the first connecting portion 241 and the second connecting portion 42 are connected, the second annular boss 251 and the third annular boss 41 have a limiting effect, when the collecting bottle 2 is mounted, the rotating bottle body 24 is rotated, when the third annular boss 41 is abutted against the bottom surface of the bottle bottom 25, the collecting bottle 2 is mounted, the supporting rod 43 is disposed at the bottom of the mounting seat 4, so that a gap is formed between the mounting seat 4 and the housing 1, and the connecting tube can be conveniently and smoothly connected with the vacuum pump through the bottom of the mounting seat 4.
Further, as shown in fig. 5, an output socket 5 is provided on the bottom of the rear face of the housing 1, and the output socket 5 can output voltage, so as to facilitate connection with external equipment and assist the negative pressure suction device in completing the suction work.
Further, negative pressure suction device still includes control module and pilot lamp, and control module sets up inside casing 1, is provided with pressure sensor in the control module, and pressure sensor passes through the connecting pipe and is connected with the vacuum pump, can survey the size of negative pressure through pressure sensor, and the pilot lamp sets up in casing 1 outside, along with the increase of negative pressure in the gas circuit, and the quantity that the pilot lamp was lighted increases, until reaching work negative pressure, and the pilot lamp is whole to be lighted, and the doctor alright begin the suction work.
Furthermore, the foregoing description of the preferred embodiments and the principles of the utility model is provided herein. It will be understood by those skilled in the art that the present utility model is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the utility model. Therefore, while the utility model has been described in connection with the above embodiments, the utility model is not limited to the embodiments, but may be embodied in many other equivalent forms without departing from the spirit or scope of the utility model, which is set forth in the following claims.

Claims (10)

1. A negative pressure suction device comprising:
a housing (1);
the vacuum pump is arranged in the shell (1) and is used for providing a negative pressure suction source for the negative pressure suction device;
a collection bottle (2), wherein the collection bottle (2) is used for collecting sucked liquid, and the collection bottle (2) is arranged on the shell (1);
the vacuum pump is characterized in that a vacuum tube (21) is arranged in the collecting bottle (2), the vacuum tube (21) is connected with the vacuum pump, an anti-overflow filter element (22) is arranged in the collecting bottle (2), the anti-overflow filter element (22) is fixedly connected with the vacuum tube (21), and the anti-overflow filter element (22) can prevent liquid from flowing into the vacuum pump.
2. The negative pressure suction device as claimed in claim 1, characterized in that the anti-overflow filter element (22) is arranged on top of the inner cavity of the vacuum tube (21).
3. The negative pressure suction device according to claim 2, wherein a first annular boss (211) and a plurality of limit ribs (212) are arranged at the top of the inner cavity of the vacuum tube (21), the first annular boss (211) is arranged in the inner cavity of the vacuum tube (21), the first annular boss (211) is fixedly connected with the inner side wall of the vacuum tube (21), the first annular boss (211) is provided with a first through hole, the limit ribs (212) are circumferentially arranged in the inner cavity of the vacuum tube (21) and are connected with the inner side wall of the vacuum tube (21), the limit ribs (212) are arranged at the top of the first annular boss (211), and the limit ribs (212) are propped against the outer wall of the anti-overflow filter element (22).
4. A negative pressure suction device according to claim 3, characterized in that the anti-overflow filter element (22) is a hollow cylinder, one end of the anti-overflow filter element (22) is open, the other end of the anti-overflow filter element (22) is closed, the first annular boss (211) extends into the open end of the anti-overflow filter element (22), and the first annular boss (211) is in interference fit with the anti-overflow filter element (22).
5. The negative pressure suction device as claimed in claim 4, characterized in that the spill-resistant filter element (22) is a water-tight filter element.
6. The negative pressure suction device according to claim 1, characterized in that the collecting bottle (2) further comprises a bottle cap (23), a bottle body (24) and a bottle bottom (25), an inlet (231) is formed in the bottle cap (23), the inlet (231) can be connected with a suction pipe, the bottle cap (23) is connected with the bottle body (24) in a sealing manner, a first connecting portion (241) is formed in the bottom of the bottle body (24), the bottle bottom (25) is arranged in the collecting bottle (2), a vacuum tube (21) is arranged at the top of the bottle bottom (25), a second through hole is formed in the bottle bottom (25), and the vacuum tube (21) is connected with the vacuum pump through the second through hole.
7. The negative pressure suction device according to claim 6, characterized in that the bottle bottom (25) is provided with a second annular boss (251), the second annular boss (251) is of a hollow structure, the second annular boss (251) is provided at the bottom of the bottle bottom (25), the second annular boss (251) is connected with the vacuum tube (21) through the second through hole, and the second annular boss (251) is connected with the vacuum pump.
8. The negative pressure suction device as claimed in claim 7, wherein the second annular boss (251) is provided with a mounting groove (2511), and a seal ring is provided in the mounting groove (2511).
9. The negative pressure suction device according to claim 7, further comprising a mounting base (4), the mounting base (4) being fixedly arranged outside the housing (1), the mounting base (4) being connected with the vacuum pump, the collection bottle (2) being arranged in the mounting base (4).
10. The negative pressure suction device according to claim 9, wherein the mounting base (4) comprises a third annular boss (41), a second connecting portion (42) and a supporting rod (43), the third annular boss (41) is of a hollow structure, the second annular boss (251) is in interference fit with the third annular boss (41), an air hole (411) is formed in the bottom of the third annular boss (41), the air hole (411) is connected with the vacuum pump through a connecting pipe, the second connecting portion (42) is arranged on the periphery of the mounting base (4), the first connecting portion (241) can be detachably connected with the second connecting portion (42), and the supporting rod (43) is arranged on the bottom of the mounting base (4).
CN202321079338.1U 2023-05-08 2023-05-08 Negative pressure suction device Active CN220757743U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202321079338.1U CN220757743U (en) 2023-05-08 2023-05-08 Negative pressure suction device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202321079338.1U CN220757743U (en) 2023-05-08 2023-05-08 Negative pressure suction device

Publications (1)

Publication Number Publication Date
CN220757743U true CN220757743U (en) 2024-04-12

Family

ID=90602255

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202321079338.1U Active CN220757743U (en) 2023-05-08 2023-05-08 Negative pressure suction device

Country Status (1)

Country Link
CN (1) CN220757743U (en)

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