CN211132365U

CN211132365U - Medical portable sputum suction cup device

Info

Publication number: CN211132365U
Application number: CN201921941244.4U
Authority: CN
Inventors: 李悦
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-11-12
Filing date: 2019-11-12
Publication date: 2020-07-31
Anticipated expiration: 2029-11-12

Abstract

The utility model relates to a medical portable sputum suction cup device. Comprises a liquid storage tank and an air extraction tank which are fixed together; a liquid storage tank top plate is hermetically installed at an open top of the liquid storage tank, a phlegm pipe with a first joint at the upper end and a filter with a second joint at the upper end are arranged on the liquid storage tank top plate, the lower end of the phlegm pipe extends to the bottom of an inner cavity of the liquid storage tank, the main body part of the filter is positioned at the top of the inner cavity of the liquid storage tank, and an injection valve is also arranged on the liquid storage tank top plate; the top opening of the top of the air extraction tank is hermetically provided with an air extraction tank top plate, the center of the air extraction tank top plate is provided with a guide pipe with a sealing bush, the inner cavity of the air extraction tank is also provided with a piston ring on the outer wall, the top of the piston is provided with a pull rod, and the upper end of the pull rod penetrates out of the sealing bush and is provided with a pull ring; one-way air valves are arranged between the liquid storage tank and the air extraction tank and on the middle upper part of the side wall of the air extraction tank. The utility model discloses simple structure, be convenient for prepare with put into operation, the cleanliness factor height can not produce cross infection.

Description

Medical portable sputum suction cup device

Technical Field

The utility model belongs to the technical field of medical articles for use, especially, relate to a medical portable phlegm jar device of inhaling.

Background

Sputum aspiration refers to a method of sucking the secretions of the respiratory tract through the oral cavity, nasal cavity, artificial airway (tracheotomy) and the like to keep the respiratory tract unobstructed and prevent complications such as aspiration pneumonia, atelectasis, asphyxia and the like. Is suitable for patients with coma, patients with sputum which is particularly possible to suffocate, and patients who need to be administrated in trachea, injected with contrast medium or diluted with sputum. Sputum aspiration is an important operation in modern medical and nursing procedures, and has great significance for the treatment, especially the nursing, of patients.

The sputum aspirator is the auxiliary facilities who realizes above-mentioned sputum suction art, and current sputum aspirator generally is electronic form, provides a negative pressure suction effect through the host computer, and the sputum of suction in the messenger follows patient's respiratory track via inhaling the phlegm pipe shifts to the stock solution jar that is equipped with at random. After the sputum suction operation is finished, the liquid storage tank and the pipeline accessories are cleaned and disinfected to prepare for the next use.

In the existing medical and nursing procedures, the use of an electric sputum aspirator for the above-mentioned sputum aspiration is not necessarily the optimal solution. Because the electric sputum aspirator needs a series of preparation operations (such as disinfection, connection of pipelines, electrical connection and the like) before the liquid storage tank and the pipelines are used, the electric sputum aspirator cannot be quickly put into medical and nursing procedures. Considering that emergency treatment usually needs rapid sputum aspiration along with some emergency in medical and nursing procedures, the sputum aspirator cannot meet the requirements of rapid preparation and rapid use before operation, and the development of medical and nursing processes is affected. On the other hand, although the repeatedly used liquid storage tank and related pipelines are cleaned and disinfected, the problems of thorough disinfection, re-breeding of germs before the next use and the like can not be solved all the time, and the problem of cross infection of patients can occur under extreme conditions.

SUMMERY OF THE UTILITY MODEL

The utility model provides a medical portable sputum suction cup device which has simple structure, convenient preparation and use and high cleanliness and can not produce cross infection for solving the technical problems in the prior art.

The utility model discloses a solve the technical scheme that technical problem that exists among the well-known technique took and be: a medical portable sputum aspirator comprises a liquid storage tank and an air extraction tank which are fixed together, wherein the lower ends of the liquid storage tank and the air extraction tank are sealed, and the upper ends of the liquid storage tank and the air extraction tank are open; a liquid storage tank top plate is fixedly and hermetically arranged at an open top of the liquid storage tank, a phlegm pipe with a first joint at the upper end and a filter with a second joint at the upper end are arranged on the liquid storage tank top plate, the lower end of the phlegm pipe extends to the bottom of an inner cavity of the liquid storage tank, the main body part of the filter is positioned at the top of the inner cavity of the liquid storage tank, a sealing rubber cover is arranged on the second joint, and an injection valve is also arranged on the liquid storage tank top plate; a top plate of the air extraction tank is fixedly and hermetically installed at an open top of the air extraction tank, a guide pipe with a sealing bush on the inner side is arranged at the center of the top plate of the air extraction tank, a piston with a piston ring on the outer wall is also arranged in an inner cavity of the air extraction tank, a pull rod is arranged at the top of the piston, and the upper end of the pull rod penetrates out of the sealing bush and is provided with a pull ring; one-way air valves are arranged between the liquid storage tank and the air extraction tank and on the middle upper part of the side wall of the air extraction tank, air in the inner cavity of the liquid storage tank flows to the inner cavity of the air extraction tank through the one-way air valves, and air in the inner cavity of the air extraction tank flows to the outside through the one-way air valves.

The utility model has the advantages that: the utility model provides a medical portable phlegm jar device of inhaling that structural design is simple reasonable compares with current sputum aspirator facility, provides a disposable consumptive material formula design of inhaling the phlegm jar among this technical scheme, and the whole phlegm jar device of inhaling is used as disposable consumptive material, abandons after the single uses. As a disposable medical consumable, the disposable medical consumable is put into the sterile sealed packaging bag when leaving the factory, so that the overall cleanliness is improved, and the problem of cross infection caused by breeding germs again under the condition that the sputum suction tank and the auxiliary pipeline of the existing facility are not thoroughly sterilized or are not used for a long time is solved. The technical effect of generating negative pressure suction environment by manually pumping on site is realized by arranging the liquid storage tank and the air pumping tank in parallel and matching with the one-way air valve. Compare with current sputum aspirator facility, this inhale phlegm jar device is convenient for inhale the preoperative preparation of phlegm art, and it is also very quick to put into use, is applicable to and needs carry out urgent medical treatment and the nursing scene of inhaling the phlegm art in, makes things convenient for medical personnel to carry out emergency's processing, carries also very facility. Meanwhile, the sputum suction tank device can be used in a scene with a negative pressure suction facility by arranging the filter with the second connector on the liquid storage tank, and the purpose is diversified.

Preferably: the middle upper part of the inner cavity of the air exhaust tank is also provided with a limit ring for limiting the high position of the piston.

Preferably: the filter comprises an upper shell with an upper pipe and a lower shell with a lower pipe, the middle part of the upper pipe is fixedly connected with a top plate of the liquid storage tank in a sealing way, and the first joint is positioned at the top of the upper pipe; the upper shell is internally provided with upper filter cotton, the lower shell is internally provided with lower filter cotton, and the bottom edge of the upper shell is in butt joint with the top edge of the lower shell and is in hot melting connection with the top edge of the lower shell.

Preferably: the injection valve comprises an injection outer sleeve which is vertically arranged, a rubber plug is arranged in the middle of an inner cavity of the injection outer sleeve, and the middle of the injection outer sleeve is fixedly connected with a top plate of the liquid storage tank in a sealing way.

Preferably: the one-way air valve comprises an air valve outer sleeve which is transversely arranged, a plurality of baffle rings are arranged on the inner wall of the air valve outer sleeve, rubber diaphragms are arranged on the same sides of the baffle rings, and the rubber diaphragms are fixedly connected with the end faces of the baffle rings at a plurality of spaced point positions in the circumferential direction.

Preferably: the liquid storage tank and the air extraction tank are integrally formed by injection molding, and a fusion part is formed between the adjacent side walls of the liquid storage tank and the air extraction tank; a mounting hole is integrally formed in the middle upper part of the fusion part in an injection molding mode, a mounting hole is integrally formed in the middle upper part of the side wall of the air extraction tank in an injection molding mode, and the one-way air valve is located in the mounting hole and is fixedly sealed and bonded; the limiting ring is adhered and fixed on the inner wall of the air exhaust tank.

Preferably: the edge of the top plate of the liquid storage tank and the edge of the top of the liquid storage tank are fixedly bonded in a sealing way, the upper end of the sputum tube is positioned in a tube hole reserved on the top plate of the liquid storage tank and fixedly bonded in a sealing way, the upper tube of the filter is positioned in the tube hole reserved on the top plate of the liquid storage tank and fixedly bonded in a sealing way, and the injection valve is positioned in the tube hole reserved on the top plate of the liquid storage tank and fixedly bonded; the edge of the top plate of the air pumping tank is fixedly bonded with the edge of the top of the air pumping tank in a sealing way, the guide pipe and the top plate of the air pumping tank are of an integrated injection molding structure, and the outer wall of the sealing bush is connected with the inner wall of the guide pipe in a hot melting way.

Preferably: the piston is obtained by integral injection molding, a first groove is formed in the center of the top of the piston, and the lower end of the pull rod is positioned in the first groove and is fixedly bonded; the bottom of the pull ring is provided with a second groove, and the upper end of the pull rod is positioned in the second groove and is fixedly bonded.

Preferably: an upper annular groove and a lower annular groove are integrally formed on the outer wall of the piston in an injection molding mode, and the piston ring is an annular rubber ring and is located in the annular groove and fixedly bonded with the inner wall of the annular groove.

Preferably: the sputum suction device is characterized by further comprising a connecting soft rubber tube and a sputum suction tube, wherein the inner end of the connecting soft rubber tube is connected with the first connector in an inserted manner, and the connector on the sputum suction tube is connected with the outer end of the connecting soft rubber tube in an inserted manner.

Drawings

FIG. 1 is a schematic sectional view of the present invention;

fig. 2 is a schematic bottom view of the present invention;

FIG. 3 is a schematic cross-sectional view of the filter portion of FIG. 1;

FIG. 4 is a schematic cross-sectional view of the fill valve of FIG. 1;

FIG. 5 is a schematic cross-sectional view of the one-way valve of FIG. 1;

fig. 6 is a perspective structure diagram of the usage state of the present invention.

In the figure: 1. a liquid storage tank; 2. a liquid storage tank top plate; 3. a first joint; 4. a second joint; 4-1, sealing a rubber cover; 5. an injection valve; 5-1, injecting an outer sleeve; 5-2, rubber plug; 6. a filter; 6-1, feeding a pipe; 6-2, an upper shell; 6-3, installing filter cotton; 6-4, lower filtering cotton; 6-5, lower tube; 6-6, a lower shell; 7. a sputum tube; 8. a one-way air valve; 8-1, an air valve outer sleeve; 8-2, a baffle ring; 8-3 parts of rubber diaphragm; 9. a fusion section; 10. a guide tube; 11. a pull ring; 12. a ceiling of the gas extraction tank; 13. a seal bushing; 14. a limiting ring; 15. a pull rod; 16. an air pumping tank; 17. a piston; 18. a piston ring; 19. liquid level scales; 20. connecting a flexible rubber tube; 21. a sputum aspirating tube.

Detailed Description

In order to further understand the contents, features and effects of the present invention, the following embodiments are described in detail:

referring to fig. 1 and 2, the portable medical sputum aspirator device of the present invention comprises a fluid reservoir 1 and an air pump 16 fixed together, both of which have a sealed lower end and an open upper end. Wherein, the liquid storage tank 1 is used for storing the disinfectant liquid and the absorbed sputum, and the air suction tank 16 is used for forming a negative pressure suction environment.

A liquid storage tank top plate 2 is fixedly arranged at an open top of the liquid storage tank 1 in a sealing mode, a phlegm pipe 7 with a first joint 3 at the upper end and a filter 6 with a second joint 4 at the upper end are arranged on the liquid storage tank top plate 2, the lower end of the phlegm pipe 7 extends to the bottom of an inner cavity of the liquid storage tank 1, the main body of the filter 6 is located at the top of the inner cavity of the liquid storage tank 1, a sealing rubber cover 4-1 is arranged on the second joint 4, and an injection valve 5 is further arranged on the liquid storage tank top plate 2.

First joint 3 is used for being connected phlegm pipe 7 and external flexible glue pipe 21 of being connected, and second joint 4 is used for being connected filter 6 and external negative pressure exhaust hose, and phlegm pipe 7 is used for leading to the sputum of attraction, is about to the bottom of the 1 inner chamber of sputum direct guide liquid storage pot, and filter 6 is used for filtering from the 1 inner chamber exhaust gas flow of liquid storage pot, avoids sputum foam etc. to get into the negative pressure facility via negative pressure exhaust hose. Since the sputum suction cup device can be used in two scenes, i.e. the device is not necessarily connected to the negative pressure suction facility, without the negative pressure suction facility, the sealant cap 4-1 is provided on the second connector 4, and in the case of not being connected to the negative pressure suction facility, the sealant cap 4-1 is not removed from the second connector 4, so that the filter 6 is in a non-connected state.

The injection valve 5 is used for injecting a disinfection liquid medicine (also can be sterile clear water) into the liquid storage tank 1, the liquid level of the disinfection liquid medicine after injection is higher than the lower port of the sputum tube 7, and the sputum flowing out of the sputum tube 7 is converged into the disinfection liquid medicine to be disinfected so as to kill germs in the sputum. The sputum is usually provided with bubbles and is more viscous, so the sputum can float on the surface of the disinfection liquid medicine after flowing into the liquid storage tank 1, and the liquid level of the disinfection liquid medicine is higher than the lower port of the sputum tube 7, so the sputum can be effectively prevented from flowing back along the sputum tube 7 under certain extreme conditions.

Referring to fig. 3, it can be seen that: the filter 6 comprises an upper shell 6-2 with an upper pipe 6-1 and a lower shell 6-6 with a lower pipe 6-5, the middle part of the upper pipe 6-1 is fixedly connected with a top plate 2 of the liquid storage tank in a sealing way, and the first joint 3 is positioned at the top of the upper pipe 6-1; an upper filter cotton 6-3 is arranged in the upper shell 6-2, a lower filter cotton 6-4 is arranged in the lower shell 6-6, and the bottom edge of the upper shell 6-2 is butted and connected with the top edge of the lower shell 6-6 in a hot melting way. When the airflow enters the shell space formed by the upper shell 6-2 and the lower shell 6-6 of the filter 6 through the lower pipe 6-5, the airflow sequentially passes through the lower filter cotton 6-4 and the upper filter cotton 6-3, so that the filtering is realized, and the bubbles are eliminated and intercepted when the sputum bubbles go upwards to pass through the two layers of filter cotton, so that the sputum cannot enter the negative pressure suction hose and cannot enter the negative pressure suction facility.

When in processing, the upper pipe 6-1 and the upper shell 6-2 are integrally formed by injection molding, the lower pipe 6-5 and the lower shell 6-6 are integrally formed by injection molding, the upper filter cotton 6-3 is arranged in the upper shell 6-2, the lower filter cotton 6-4 is arranged in the lower shell 6-6, the bottom edge of the upper shell 6-2 is connected with the top edge of the lower shell 6-6 by hot melting, and a complete shell is formed in the middle.

The upper pipe 6-1 and the first joint 3 may be the same pipe body, and the upper end of the pipe body is hot-pressed to form the first joint 3 (i.e., a bellows-like joint for facilitating the insertion connection with the hose) as shown in fig. 1 and 3. Similarly, the second connector 4 and the sputum tube 7 may both be the same tube, and the upper end of this tube is hot-formed to form the second connector 4 in the manner shown in figure 1 (i.e. a bellows-like connector to facilitate a plug connection with a hose).

Referring to fig. 4, it can be seen that: the injection valve 5 comprises an injection outer sleeve 5-1 which is vertically arranged, a rubber plug 5-2 is arranged in the middle of an inner cavity of the injection outer sleeve 5-1, the outer wall of the rubber plug 5-2 is fixed with the inner wall of the injection outer sleeve 5-1 through hot melting or bonding, and the middle of the injection outer sleeve 5-1 is fixedly connected with a top plate 2 of the liquid storage tank in a sealing way. When the disinfection liquid medicine or the sterile clean water needs to be injected into the liquid storage tank 1, a syringe is needed to be used for operation, a needle head of the syringe penetrates through the rubber plug 5-2 from outside to inside, and the disinfection liquid medicine or the sterile clean water is injected into the inner cavity of the liquid storage tank 1.

Due to the characteristics of the rubber plug 5-2 material, after the needle of the syringe is pulled out, the rubber material automatically rebounds to block the needle hole, and air leakage at the injection valve 5 cannot be caused. On the other hand, the negative pressure value of the negative pressure suction environment generated in the air suction tank 16 is not too low, so that the air leakage of the needle hole on the rubber plug 5-2 is further ensured, and the use process of the sputum suction tank device is not influenced by the needle hole.

An air extraction tank top plate 12 is fixedly and hermetically installed at the open top of an air extraction tank 16, a guide pipe 10 with a sealing bush 13 on the inner side is arranged at the center of the air extraction tank top plate 12, a piston 17 with a piston ring 18 on the outer wall is further arranged in the inner cavity of the air extraction tank 16, a pull rod 15 is arranged at the top of the piston 17, and the upper end of the pull rod 15 penetrates out of the sealing bush 13 and is provided with a pull ring 11. The pull rod 15 and the piston 17 at the lower end thereof can be lifted up by the pull ring 11, so that a certain negative pressure environment is generated in an inner cavity of the exhaust tank 16 below the piston 17.

In this embodiment, in order to limit the displacement of the piston 17, a stopper ring 14 for limiting the high position of the piston 17 is further provided at the middle-upper portion of the inner cavity of the evacuation tank 16. Further, the retainer ring 14 is adhesively fixed to the inner wall of the evacuation tank 16.

One-way air valves 8 are arranged between the liquid storage tank 1 and the air extraction tank 16 and at the middle upper part of the side wall of the air extraction tank 16, air in the inner cavity of the liquid storage tank 1 flows to the inner cavity of the air extraction tank 16 through the one-way air valves 8 and cannot flow in the reverse direction, and air in the inner cavity of the air extraction tank 16 flows to the outside through the one-way air valves 8 and cannot flow in the reverse direction.

Referring to fig. 5, it can be seen that: the one-way air valve 8 comprises an air valve outer sleeve 8-1 which is transversely arranged, a plurality of baffle rings 8-2 are arranged on the inner wall of the air valve outer sleeve 8-1, and each baffle ring 8-2 can be integrally formed with the air valve outer sleeve 8-1 by injection molding or can be installed and fixed on the inner wall of the air valve outer sleeve 8-1 by adopting bonding and hot melting processes. The same side of each baffle ring 8-2 is provided with a rubber diaphragm 8-3, and the rubber diaphragm 8-3 is fixedly connected with the end surface of the baffle ring 8-2 at a plurality of spaced point positions in the circumferential direction. Thus, a channel for air flow circulation is formed between two adjacent fixed point positions, when the air flow flows in the forward direction, the edge of the rubber diaphragm 8-3 is opened at a non-fixed position due to deformation under the action of air pressure, the air flow is allowed to pass through, when the air flow flows in the reverse direction, the edge of the rubber diaphragm 8-3 is entirely and flatly attached to the end face of the baffle ring 8-2, and the air flow is in a channel stage under the action of the air pressure, so that the effect of one-way ventilation is achieved.

In this embodiment, the reservoir tank 1 and the evacuation tank 16 are integrally injection molded, and the fused portion 9 is formed between the adjacent side walls. A mounting hole is integrally formed in the middle upper part of the fusion part 9 in an injection molding mode, and the corresponding one-way air valve 8 is located in the mounting hole and is fixedly bonded in a sealing mode; and a mounting hole is integrally formed at the middle upper part of the side wall of the air extraction tank 16 in an injection molding mode, and the corresponding one-way air valve 8 is positioned in the mounting hole and is fixedly sealed and bonded.

The edge of the top plate 2 of the liquid storage tank and the edge of the top of the liquid storage tank 1 are fixedly bonded in a sealing way, the upper end of the sputum tube 7 is positioned in a tube hole reserved on the top plate 2 of the liquid storage tank and fixedly bonded in a sealing way, an upper tube 6-1 of the filter 6 is positioned in a tube hole reserved on the top plate 2 of the liquid storage tank and fixedly bonded in a sealing way, and the injection valve 5 is positioned in a tube hole reserved on the top plate 2 of the liquid storage tank and fixedly bonded in a sealing way (an injection outer sleeve 5-; the edge of the exhaust tank top plate 12 and the top edge of the exhaust tank 16 are sealed, adhered and fixed, the guide pipe 10 and the exhaust tank top plate 12 are of an integral injection molding structure, and the outer wall of the sealing lining 13 and the inner wall of the guide pipe 10 are in hot melting connection. The outer wall of the pull rod 15 is connected with the inner wall of the sealing bush 13 in a matching way, and due to the material characteristics (rubber material) of the sealing bush 13, the sealing bush 13 generates a certain extrusion effect on the pull rod 15 in the middle part, so that the sealing is realized between the pull rod 15 and the sealing bush.

In the embodiment, the piston 17 is obtained by integral injection molding, a first groove is arranged at the center of the top of the piston, and the lower end of the pull rod 15 is positioned in the first groove and is fixedly bonded; the bottom of the pull ring 11 is provided with a second groove, and the upper end of the pull rod 15 is positioned in the second groove and is fixedly bonded.

In this embodiment, an upper annular groove and a lower annular groove are integrally formed on the outer wall of the piston 17 in an injection molding manner, the piston ring 18 is an annular rubber ring, is located in the annular groove and is fixedly bonded with the inner wall of the annular groove, and the piston ring 18 is effectively prevented from being separated from the annular groove through bonding and fixing.

The sputum suction device also comprises a connecting soft rubber tube 20 and a sputum suction tube 21, when in use, the inner end of the connecting soft rubber tube 20 is in plug-in connection with the first connector 3, and the connector on the sputum suction tube 21 is in plug-in connection with the outer end of the connecting soft rubber tube 20. The sputum suction tube 21 is inserted into the respiratory tract of the patient to suck sputum, and the sputum enters the inner cavity of the liquid storage tank 1 through the sputum suction tube 21, the connecting soft rubber tube 20 and the sputum tube 7 under the action of negative pressure. The main parts of the connecting soft rubber tube 20, the sputum suction tube 21 and the sputum suction tank are positioned in the same sealed sterile packaging bag/packaging box when leaving factory, are carried by medical personnel when in use, are disassembled on the spot of sputum suction operation, are quickly connected with a pipeline and carry out sputum suction operation.

The assembling method comprises the following steps:

the liquid storage tank 1 and the air extraction tank 16 are obtained by integral injection molding; a top plate 2 of the liquid storage tank, a sputum tube 7, a filter 6 and an injection valve 5 form a combination body; a pull rod 15, a piston 17 and a piston ring 18 form a combined body and are arranged in an inner cavity of an air extraction tank 16, and a limit ring 14 is fixedly bonded on the inner wall of the air extraction tank 16; two single air valves 8 are fixedly bonded in two mounting holes on the combination body of the liquid storage tank 1 and the air extraction tank 16; then, a combination body formed by the liquid storage tank top plate 2, the sputum tube 7, the filter 6 and the injection valve 5 is installed towards the top of the liquid storage tank 1, namely, the edge of the liquid storage tank top plate 2 is hermetically bonded with the edge of the top of the liquid storage tank 1; then the exhaust tank top plate 12 is mounted towards the top of the exhaust tank 16, namely the edge of the exhaust tank top plate 12 is hermetically bonded with the edge of the top of the exhaust tank 16, and the pull rod 15 penetrates through the sealing bush 13; then the pull ring 11 and the pull rod 15 are fixedly bonded, and a sealing rubber cover 4-1 is arranged on the second joint 4;

and (3) placing the obtained sputum suction tank main body part, the connecting soft rubber tube 20 and the sputum suction tube 21 into a packaging bag/box, sealing, sterilizing and then leaving the factory.

The operation method comprises the following steps:

(1) when a negative pressure suction facility is arranged on site, the sealing rubber cover 4-1 is removed, a negative pressure exhaust hose connected to the negative pressure suction facility is connected with the second connector 4 in an inserted manner, the connector of the sputum suction pipe 21 is connected with the end part of the connecting soft rubber pipe 20 in an inserted manner, and the other end of the connecting soft rubber pipe 20 is connected with the first connector 3 in an inserted manner; injecting a disinfectant liquid or sterile clear water into the liquid storage tank 1 through the injection valve 5; then starting the negative pressure suction facility, inserting the end part of the sputum suction tube 21 into the respiratory tract of the patient, and performing sputum suction operation by adopting the operation mode of sputum suction; in this mode, the extraction tank 16 and its accessory components are idle;

(2) when no negative pressure suction facility exists on site, the sealing rubber cover 4-1 is reserved, the joint of the sputum suction pipe 21 is in plug-in connection with the end part of the connecting soft rubber pipe 20, and the other end of the connecting soft rubber pipe 20 is in plug-in connection with the first joint 3; injecting a disinfectant liquid or sterile clear water into the liquid storage tank 1 through the injection valve 5; an operator stretches fingers into the pull ring 11 to lift the pull rod 15 and the piston 17 upwards (one operator can be responsible for air suction, and the other operator can be responsible for sputum suction), a negative pressure environment is formed below the piston 17, gas above the piston 17 is discharged in a one-way mode through a one-way valve on the side wall of the air suction tank 16, after the pull ring 11 is released, the piston 17 has a downward trend under the action of the negative pressure environment below the piston, then the gas in the liquid storage tank 1 enters the inner cavity of the air suction tank 16 through the one-way gas valve 8 on the fusion part 9, and the sputum suction pipe 21 generates a negative pressure suction effect on the respiratory tract of a patient; this action continues until the piston 17 moves to a position near the bottom of the interior cavity of the evacuation tank 16; then the operator repeats the above-mentioned lifting operation again, and completes the sputum suction operation for the patient after repeating the above-mentioned operations for many times.

Claims

1. The utility model provides a medical portable sputum suction cup device which characterized in that: comprises a liquid storage tank (1) and an air extraction tank (16) which are fixed together, wherein the lower ends of the liquid storage tank and the air extraction tank are sealed, and the upper ends of the liquid storage tank and the air extraction tank are open; a liquid storage tank top plate (2) is fixedly installed at an open top of a liquid storage tank (1) in a sealing mode, a phlegm pipe (7) with a first joint (3) at the upper end and a filter (6) with a second joint (4) at the upper end are arranged on the liquid storage tank top plate (2), the lower end of the phlegm pipe (7) extends to the bottom of an inner cavity of the liquid storage tank (1), the main body part of the filter (6) is located at the top of the inner cavity of the liquid storage tank (1), a sealing rubber cover (4-1) is arranged on the second joint (4), and an injection valve (5) is further arranged on the liquid storage tank top plate (2); an air extraction tank top plate (12) is fixedly and hermetically installed at an open top of an air extraction tank (16), a guide pipe (10) with a sealing bush (13) on the inner side is arranged at the center of the air extraction tank top plate (12), a piston (17) with a piston ring (18) on the outer wall is further arranged in an inner cavity of the air extraction tank (16), a pull rod (15) is arranged at the top of the piston (17), and the upper end of the pull rod (15) penetrates out of the sealing bush (13) and is provided with a pull ring (11); one-way air valves (8) are arranged between the liquid storage tank (1) and the air pumping tank (16) and at the middle upper part of the side wall of the air pumping tank (16), air in the inner cavity of the liquid storage tank (1) flows to the inner cavity of the air pumping tank (16) through the one-way air valves (8), and air in the inner cavity of the air pumping tank (16) flows to the outside through the one-way air valves (8).

2. The medical portable sputum aspirator pot device of claim 1, wherein: the middle upper part of the inner cavity of the air extraction tank (16) is also provided with a limit ring (14) for limiting the high position of the piston (17).

3. The medical portable sputum aspirator pot device of claim 2, wherein: the filter (6) comprises an upper shell (6-2) with an upper pipe (6-1) and a lower shell (6-6) with a lower pipe (6-5), the middle part of the upper pipe (6-1) is fixedly connected with a top plate (2) of the liquid storage tank in a sealing way, and the first joint (3) is positioned at the top part of the upper pipe (6-1); an upper filter cotton (6-3) is arranged in the upper shell (6-2), a lower filter cotton (6-4) is arranged in the lower shell (6-6), and the bottom edge of the upper shell (6-2) is butted and connected with the top edge of the lower shell (6-6) in a hot melting way.

4. The medical portable sputum aspirator pot device of claim 3, wherein: the injection valve (5) comprises an injection outer sleeve (5-1) which is vertically arranged, a rubber plug (5-2) is arranged in the middle of an inner cavity of the injection outer sleeve (5-1), and the middle of the injection outer sleeve (5-1) is fixedly connected with a top plate (2) of the liquid storage tank in a sealing way.

5. The medical portable sputum aspirator pot device of claim 4, wherein: the one-way air valve (8) comprises an air valve outer sleeve (8-1) which is transversely arranged, a plurality of baffle rings (8-2) are arranged on the inner wall of the air valve outer sleeve (8-1), rubber membranes (8-3) are arranged on the same side of each baffle ring (8-2), and the rubber membranes (8-3) are fixedly connected with the end faces of the baffle rings (8-2) at a plurality of spaced point positions in the circumferential direction.

6. The medical portable sputum aspirator pot device of claim 5, wherein: the liquid storage tank (1) and the air extraction tank (16) are integrally formed by injection molding, and a fusion part (9) is formed between the adjacent side walls of the two; a mounting hole is integrally formed in the middle upper position of the fusion part (9) in an injection molding mode, a mounting hole is integrally formed in the middle upper position of the side wall of the air exhaust tank (16) in an injection molding mode, and the one-way air valve (8) is located in the mounting hole and is fixedly bonded in a sealing mode; the limiting ring (14) is adhered and fixed on the inner wall of the air extracting tank (16).

7. The medical portable sputum aspirator pot device of claim 6, wherein: the edge of the liquid storage tank top plate (2) is fixedly bonded with the edge of the top of the liquid storage tank (1) in a sealing way, the upper end of the sputum tube (7) is positioned in a tube hole reserved on the liquid storage tank top plate (2) and is fixedly bonded in a sealing way, the upper tube (6-1) of the filter (6) is positioned in the tube hole reserved on the liquid storage tank top plate (2) and is fixedly bonded in a sealing way, and the injection valve (5) is positioned in the tube hole reserved on the liquid storage tank top plate (2) and is fixedly bonded in a sealing way; the edge of the exhaust tank top plate (12) is fixedly bonded with the edge of the top of the exhaust tank (16) in a sealing way, the guide pipe (10) and the exhaust tank top plate (12) are of an integral injection molding structure, and the outer wall of the sealing lining (13) is in hot melting connection with the inner wall of the guide pipe (10).

8. The medical portable sputum aspirator pot device of claim 7, wherein: the piston (17) is obtained by integral injection molding, a first groove is formed in the center of the top of the piston, and the lower end of the pull rod (15) is positioned in the first groove and is fixedly bonded; the bottom of the pull ring (11) is provided with a second groove, and the upper end of the pull rod (15) is positioned in the second groove and is fixedly bonded.

9. The medical portable sputum aspirator pot device of claim 8, wherein: an upper annular groove and a lower annular groove are integrally formed on the outer wall of the piston (17) in an injection molding mode, and the piston ring (18) is an annular rubber ring and is located in the annular groove and is fixedly bonded with the inner wall of the annular groove.

10. The medical portable sputum aspirator pot apparatus of claim 9, wherein: the sputum suction device also comprises a connecting soft rubber tube (20) and a sputum suction tube (21), wherein the inner end of the connecting soft rubber tube (20) is connected with the first connector (3) in an inserting manner, and the connector on the sputum suction tube (21) is connected with the outer end of the connecting soft rubber tube (20) in an inserting manner.