CN213852626U - Humidifying tank with filter - Google Patents

Abstract

The utility model discloses a take humidifying jar of filter, include: the jar body, air inlet and gas outlet have been seted up on the jar body, jar internal intercommunication the gas flow way of air inlet and gas outlet, the air inlet or at least one department of gas outlet is equipped with first filter. Based on this, the utility model provides a humidifying jar can filter the bacterium or the virus that carry in the patient's expired gas, prevents that bacterium or virus from getting into gas flow channel to this prevents that bacterium or virus in the gas flow channel from getting into other patients when using next time is internal, causes cross infection's problem.

Description

Humidifying tank with filter

Technical Field

The utility model relates to the technical field of medical equipment, in particular to a humidification tank with a filter.

Background

In modern clinical medicine, a ventilator or an instrument with similar functions is used as an effective means for manually replacing the autonomous ventilation function, and is widely used in respiratory failure caused by various reasons, anesthesia respiratory management during major operations, respiratory support therapy and emergency resuscitation, and occupies a very important position in the modern medical field. The breathing machine is a vital medical device which can prevent and treat respiratory failure, reduce complications and save and prolong the life of a patient.

The breathing machine humidifying tank is an instrument used by matching with a breathing machine (or other breathing treatment equipment with the same function), the humidifying tank generally conveys gas to a patient through a gas conveying pipe for use (the humidifying tank can be directly connected with the gas conveying pipe, or the gas conveying pipe is indirectly connected through the humidifying tank or similar auxiliary equipment), and because the gas exhaled by the patient often carries bacteria or viruses, the bacteria or the viruses can enter a gas flow channel inside the humidifying tank through a gas inlet of the humidifying tank and are attached to and bred. When the respiratory therapy apparatus is used again, the problem of cross infection among patients is easily caused.

It can be seen that the prior art is still in need of improvement and development.

SUMMERY OF THE UTILITY MODEL

In view of the above-mentioned deficiencies of the prior art, the present invention provides a humidification tank with a filter, which aims to solve the problem of cross infection between patients caused by bacteria or viruses attached to the humidification tank due to the exhaled air of the patients in the prior art.

The technical scheme of the utility model as follows:

a humidification tank with a filter, comprising: the jar body, air inlet and gas outlet have been seted up on the jar body, jar internal intercommunication that is equipped with the gas flow way of air inlet and gas outlet, the air inlet and/or the gas outlet is equipped with first filter.

In one embodiment of the present invention, the first filter is detachably mounted at the air inlet.

In one embodiment of the present invention, the first filter is a filter screen.

In one embodiment of the invention, the humidification tank further comprises a limiting ring, the limiting ring is detachably mounted at the air inlet, and the filter is fixed on the limiting ring or limited at the inner side of the limiting ring.

In one embodiment of the invention, the spacing ring is a connecting joint for connecting a gas delivery pipe or an auxiliary device.

In one embodiment of the present invention, a sterilizing device is disposed in the gas flow path for generating a preset temperature.

In one embodiment of the present invention, the gas inlet includes a first gas inlet and a second gas inlet, and the first gas inlet and the second gas inlet are respectively communicated with the gas flow passage.

In one embodiment of the present invention, the tank body is provided with

A water inlet, a water outlet and a water inlet,

one end of the sealed water guide groove part is arranged in the tank body at the water inlet, and the other end of the sealed water guide groove part is provided with a water passing port;

the float valve is arranged below the sealed water guide groove piece and the water inlet and used for pushing the sealed water guide groove piece to plug the water inlet when the water level in the tank body reaches a specified height;

and the protective valve is fixedly arranged on the side of the float valve and used for plugging the water passing opening after the water level in the tank body exceeds a specified height.

In one embodiment of the present invention, the sealing gutter member includes:

the sealing end is arranged between the water inlet and the float valve and is used for plugging the water inlet when the water level in the tank body reaches a specified height;

the water passing port is arranged at the other end opposite to the sealing end and is arranged at the upper end of the protection valve, and water enters the tank body;

and the water guide groove is connected between the sealing end and the water passing port and used for guiding water at the sealing end to the water passing port.

In one of the embodiments of the invention, the air inlet and/or the air outlet is provided with a second filter.

Compared with the prior art, the utility model provides a humidifying jar, include: and the gas outlet of the gas flow passage is provided with a first filter. Based on this, the utility model provides a humidifying jar can filter the bacterium or the virus that carry in the patient's expired gas, prevents that bacterium or virus from getting into gas flow channel to this prevents that bacterium or virus in the gas flow channel from getting into the patient when next use is internal, causes cross infection's problem.

Drawings

FIG. 1 is a schematic structural view of a humidification tank in an embodiment of the present invention;

fig. 2 is a schematic cross-sectional structure diagram of an embodiment of the present invention;

fig. 3 is an enlarged schematic view of a of fig. 2.

In the figure: 10. a humidifying tank; 11. a tank body; 111. a water inlet; 12. a float valve; 121. a connecting projection; 13. a protection valve; 14. sealing the water chute member; 141. a water outlet; 142. sealing the end; 143. a water chute; 145. sealing the valve plate; 146. a connecting ring groove; 15. a float valve connection; 17. an air inlet; 18. an air outlet; 19. a first filter.

Detailed Description

The utility model provides a humidifying tank with a filter, which aims to make the purpose, technical proposal and effect of the utility model clearer and clearer, and the following description refers to the attached drawings and is right to the example of the utility model. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1, the utility model provides a take humidifying jar of filter, include: the tank body 11 is provided with an air inlet 17 and an air outlet 18, an air flow passage communicated with the air inlet 17 and the air outlet 18 is arranged in the tank body 11, and the air inlet 17 is provided with a first filter 19. As shown in fig. 1; the first filter 19 is used for filtering bacteria or viruses in the gas.

A gas flow path is illustrated, which is typically provided within the humidification tank 10, and which has a gas inlet 17 and a gas outlet 18. The gas flow passage or the middle of the gas flow passage is provided with a fan, a sensor or a single valve and other parts. After entering the gas flow channel from the gas inlet 17, the gas flows out from the gas outlet 18. In addition, the gas flow passage may be disposed outside the humidification tank 10 or disposed inside and outside the humidification tank.

The utility model discloses do not need to carry out the concrete restriction to the type of first filter 19, the technical staff in the art can carry out the adaptability according to the kind (such as high frequency injection breathing machine, noninvasive ventilator, portable pulmonary function appearance, atomizer and respiratory anesthesia machine etc.) of humidifying jar 10, service environment, be suitable for patient's disease, virus or bacterium kind that patient's expired air may carry etc. and select, specific first filter 19 can select for filtering cotton, inseparable filter screen or filter joint etc. as long as can realize filtering bacterium or the part or the subassembly of virus etc. all should belong to the protection scope of the utility model.

In the use process of the humidification tank 10, the air inlet 17 of the humidification tank 10 is in fluid communication with the air outlet 18 of the respirator therapeutic apparatus, the air outlet 18 of the humidification tank 10 is in fluid communication with one end of a breathing pipeline, and the other end of the breathing pipeline is connected with a patient to supply air to the patient. When inputting gas, the gas flows to the humidifying tank 10 from the respirator therapeutic apparatus, then is filtered and humidified by the humidifying tank 10 and then is output to the breathing pipeline, and finally flows to the patient. When the existing respiratory therapy apparatus supplies gas to a patient, bacteria or viruses in the patient body can enter the respiratory therapy apparatus through the breathing pipeline and the humidifying tank 10, and then remain and breed. Thus, there is a risk of cross-infection when the ventilator therapy unit is reused by another patient. And this application is provided with the filter through humidifying jar 10 air inlet 17 being connected with the breathing machine therapeutic instrument, avoids bacterium, virus to enter into the breathing machine therapeutic instrument in, prevents that above-mentioned problem from taking place.

The utility model provides a first filter 19 has following two functions: one is to filter bacteria or viruses in the respiratory gas of the patient from entering the gas flow passage and to prevent particles, bacteria or viruses in the gas flow passage from entering the respiratory tract of the patient; and the second is to reduce the gas flow channel speed.

On the basis of the above embodiment, the first filter 19 is detachably mounted on the air inlet 17 of the tank 11, and when the first filter 19 needs to be disinfected, cleaned or replaced, it can be directly detached for disposal. It should be understood that the present invention only requires the first filter 19 to be easily disassembled, the specific installation structure of the first filter 19 is not particularly limited, and the installation manners of the different types of filters are not necessarily the same, for example, the filter in the form of a joint is directly connected to the air inlet 17 by a threaded connection or a snap connection; of course, different types of filter mounting may be the same, for example, the filter cotton and the filter net may be placed directly inside the air inlet 17 duct in an over-fit manner.

Specifically, in other embodiments of the present invention, the first filter 19 may be disposed at the air inlet 17 and the air outlet 18 respectively to perform double protection, or may be disposed at only the air outlet 18, which all fall within the protection scope of the present invention, and the present invention is not limited thereto.

On the basis of the above embodiment, a limiting ring is arranged outside the first filter 19, and the limiting ring is used for limiting the first filter 19 and preventing the first filter 19 from being influenced by the flow path or position of the blown gas to the filtering effect. It is easy to understand, the utility model discloses do not need to carry out concrete limit to the relative position of spacing ring and filter, the spacing ring can link together with the filter, also can only paste together, as long as guarantee that the spacing ring can play limiting displacement can. The retainer ring can be removed by rotating, snapping, breaking, popping or the like, and preferably, the first filter 19 is directly placed inside the retainer ring (i.e. the first filter 19 is not connected to the air outlet 18 pipe), and after the retainer ring is removed, the first filter 19 can be directly taken out.

The limiting ring can be a ring body only having a limiting function, and the length of the limiting ring is limited by not influencing the connection with a breathing machine therapeutic apparatus; such as: the gas delivery pipe needs to be inserted into the gas inlet 173 cm, and after the first filter 19 is installed in place, the distance from the outer section of the gas inlet 17 is 4 cm, and the width of the limiting ring should be less than 1 cm, so as to ensure the connection stability of the gas delivery pipe and the humidification tank 10. The concrete mounting structure and the concrete quantity of ring body, the utility model discloses do not specifically prescribe a limit to.

The spacing ring can also have the attach fitting of connecting two kinds of functions of gas delivery pipe and spacing first filter 19 concurrently. After the first filter 19 and the limiting ring are sequentially installed, the first filter is connected with the gas conveying pipe through the limiting ring, so that gas in the respiratory therapy apparatus sequentially reaches the humidification tank 10 through the first filter 19 and the limiting ring, and then is supplied to a patient through the gas conveying pipe for use.

On the basis of the above embodiment, a disinfection device is arranged in the gas flow passage, and the disinfection device is used for generating a preset temperature. The utility model does not need to limit the preset value specifically, and the technicians in the field can select the preset value adaptively according to the use environment of the humidification tank 10 and the possible infection of viruses; the specific structure of the disinfection device determines the temperature value that can be generated, and the technicians in the field can also determine which disinfection device to use (such as resistance wires, electrified heating nets, heating plates and heating pipes, etc., which are inexhaustible) according to the temperature required for sterilization, so creative labor is not required, and the realization of the technical scheme of the utility model is not influenced; therefore, no matter what kind of disinfection device is used, the temperature geometry generated by the disinfection device is controlled during disinfection, and the disinfection device is protected.

Further, the humidification tank 10 has at least one air inlet 17: for supplying gas to a patient, in this embodiment the humidification canister 10 comprises a first gas inlet 17 and a second gas inlet 17, the first gas inlet 17 and the second gas inlet 17 being in communication with the gas flow path, respectively. The first gas inlet 17 and the second gas inlet 17 may be connected to the first filter 19 at the same time, and are in gas flow communication with the gas flow passage through the first filter 19, or may be connected to different filters, respectively, to realize gas flow communication with the gas flow passage, so that if there are a plurality of gases, gas flow communication is realized, and the gas is introduced into the gas flow passage; for humidification tanks 10 in which one gas is introduced from the outside and only one gas is introduced from the outside; for humidification tanks 10 that introduce multiple gases from the outside, there may be multiple inlets 17, or even one inlet 17, when two or more gases share the same inlet 17, there will be fewer inlets 17 than gas species; the situation is different according to the type of the humidification tank 10, but in any case there is at least one air inlet 17 in the humidification tank 10.

When only one air inlet 17 exists in the gas flow channel, the sterilizing device is preferably arranged at the first air inlet branch, so that the heat emitted by the sterilizing device can be directly conducted to the gas which just enters the gas flow channel, high-temperature gas can be spread or flow through the whole gas flow channel to sterilize the whole gas flow channel, the sterilizing effect is improved, and bacteria and viruses in the gas flow channel are killed as far as possible.

It is easy to imagine that the humidification tank 10 provided by the present embodiment is not only suitable for the humidification tank 10 with a single air inlet branch, but also suitable for the humidification tank 10 with multiple air inlet branches.

When the gas flow channel has more than one air inlet branch, the number and the position of the sterilizing devices are preferably set according to the adaptability of the air inlet branch needing to be sterilized, two air inlets 17 of the humidification tank 10 are provided, the first air inlet 17 is used for introducing air, the second air inlet 17 is used for introducing high-pressure oxygen, and the air inlet branch corresponding to the high-pressure oxygen does not need to be sterilized, so that the sterilizing devices are only arranged at the air inlet branch corresponding to the air (the number is determined according to the sterilizing effect of a single sterilizing device, if one air inlet branch can reach the preset sterilizing effect, only one air inlet branch is arranged, if two overlapped using sides can reach the preset sterilizing effect, two sterilizing devices are arranged, and the like in sequence).

If two or more air inlet branches need to be disinfected, the disinfecting devices are provided with multiple groups, the specific number is adapted to the number of the air inlet branches needing to be disinfected, namely, each air inlet branch needing to be disinfected is independently provided with a group of disinfecting devices (each group of disinfecting devices comprises one or more disinfecting devices, and whether the number of the groups is the same or not is determined according to requirements).

Further, the humidification tank 10 further comprises: a gas flow path drive source for driving a flow of gas within the gas flow path.

On the basis of the above embodiment, please refer to fig. 2 to 3 in combination, the humidification tank 10 includes a tank body 11 (the shell of the humidification tank 10 of the present invention), a sealing water guiding channel member 14, a float valve 12 and a protection valve 13; the tank body 11 is provided with a water inlet 111; one end of the sealed water chute member 14 is installed in the tank body 11 at the water inlet 111, and the other end is provided with a water passing opening 141 for plugging the water inlet 111 and guiding a water inlet path; it can be understood that the outside water enters the sealed water chute member 14 through the water inlet 111, then flows to the water outlet 141 opened on the sealed water chute member 14 under the guidance of the sealed water chute member 14, and then flows into the tank 11 through the water outlet 141; the water flow flowing into the tank body is communicated with the gas flow channel, and particularly can be conveniently humidified by a pipeline. The float valve 12 is arranged below the sealed water guide channel member 14 and the water inlet 111, that is, the float valve 12 is arranged below one end of the sealed water guide channel member 14 at the water inlet 111, and when the water level in the tank body 11 reaches a specified height, the float valve 12 is used for pushing the sealed water guide channel member 14 to block the water inlet 111; the protection valve 13 is fixedly installed at a side of the float valve 12, that is, the protection valve 13 is fixedly installed below one end of the water inlet 111 of the sealed water chute member 14, and when the water level in the tank 11 exceeds a predetermined height, the protection valve 13 is used for blocking the water passing port 141.

By arranging the sealed water guide channel part 14, the float valve 12 and the protection valve 13 in the tank body 11, when the water level in the tank body 11 of the humidifying device 10 reaches a specified height, the float valve 12 pushes the sealed water guide channel part 14 to block the water inlet 111; when the water inlet 111 and/or the sealed water guide groove member 14 are worn, and the sealed water guide groove member 14 cannot timely block the water inlet 111, the external water continuously enters the tank body 11, so that the water level in the tank body 11 continuously rises, the protection valve 13 continuously rises and continuously approaches the water passing port 141, and when the external water contacts the water passing port 141, the water passing port 141 is timely blocked, so that the external water is effectively prevented from continuously entering the tank body, the secondary protection of adding water into the humidification tank 10 is realized, the excessive water amount in the tank body 11 is avoided, the problems of patient choking, suffocation, ventilator-related pneumonia and the like are solved, and the use safety of the humidification tank 10 is improved.

It can be understood that, to the humidifying jar 10 of different model specifications, the safe water level (the highest water level that can not take place the potential safety hazard) is different, the utility model discloses do not need right the appointed height specifically limits, and technical personnel in the field can carry out the adaptability adjustment according to the parameter of humidifying jar 10, and this need not pay out creative work, no matter how the specific numerical value of appointed height, all should belong to the utility model discloses a protection scope. By arranging the sealed water guide groove part 14, the float valve 12 and the protection valve 13, when the water level in the tank body 11 of the humidification tank 10 reaches a specified height, the float valve 12 pushes the sealed water guide groove part 14 to seal the water inlet 111; when the water inlet 111 and/or the sealed water guide groove member 14 are worn and the sealed water guide groove member 14 cannot timely block the water inlet 111, the external water continuously enters the tank body 11, so that the water level in the tank body 11 continuously rises, the protection valve 13 continuously rises and continuously approaches the water passing port 141, and the water passing port 141 is timely blocked when the external water contacts the water passing port 141, so that the external water is effectively prevented from continuously entering the tank body 11, the secondary protection of adding water into the humidification tank 10 is realized, the problem that a patient is choked, suffocated, pneumonia related to a breathing machine and the like is solved, and the use safety of the humidification tank 10 is improved.

Referring further to fig. 2 to 3, in other embodiments of the present invention, the sealing gutter member 14 includes a sealing end 142, a water passing opening 141 and a water guiding groove 143; the sealing end 142 is arranged between the water inlet 111 and the float valve 12, and the sealing end 142 is used for plugging the water inlet 111 under the pushing of the float valve 12 when the water level in the tank body 11 reaches a specified height; the water passing opening 141 is arranged at the other end opposite to the sealing end 142, and is arranged at the upper end of the protection valve 13 for the external water to enter the tank body 11; the water chute 143 is connected between the sealing end 142 and the water passing port 141, and is used for guiding water at the sealing end 142 to the water passing port 141; it can be understood that the external water flows into the sealed end 142 through the water inlet 111, and then the water at the sealed end 142 is guided to the water outlet 141 through the water chute 143, and then flows into the tank 11 through the water outlet 141; the sealed water guide channel member 14 can not only block the water inlet 111, but also play a role in guiding water, and simultaneously can provide through holes for external water to flow into the tank body 11.

According to the utility model discloses an on the other hand, gas channel's air inlet 17 department is provided with the second filter to reduce the foreign matter that gets into gas channel and patient's respiratory track, cooperate the function of 19 gaseous interior foreign matters of first filter, carry out double-deck protection, further reduced the probability that gaseous interior foreign matter got into patient's respiratory track.

It is to be understood that the invention is not limited to the above-described embodiments, and that modifications and variations may be made by those skilled in the art in light of the above teachings, and all such modifications and variations are intended to be included within the scope of the invention as defined in the appended claims.

Claims (10)

1. A humidification tank with a filter, comprising: the jar body, air inlet and gas outlet have been seted up on the jar body, jar internal intercommunication that is equipped with the gas flow way of air inlet and gas outlet, the air inlet and/or the gas outlet is equipped with first filter.

2. The humidification canister with a filter as claimed in claim 1, wherein the first filter is removably mounted at the air inlet.

3. The humidification tank with a filter of claim 2, wherein the first filter is a filter screen.

4. The humidification tank with a filter as claimed in claim 2, further comprising a limiting ring, wherein the limiting ring is detachably mounted at the air inlet, and the filter is fixed on the limiting ring or limited at the inner side of the limiting ring.

5. The humidification tank with a filter as claimed in claim 4, wherein the limiting ring is a connection joint for connecting a gas delivery pipe or an auxiliary device.

6. A humidification tank with filter according to any one of claims 1 to 5 wherein a disinfection device is provided in the gas flow path for generating a preset temperature.

7. The canister of claim 6 wherein the inlet port comprises a first inlet port and a second inlet port, the first inlet port and the second inlet port being in communication with the gas flow path, respectively.

8. The humidification tank with a filter as claimed in claim 1, wherein the tank body is provided with

A water inlet, a water outlet and a water inlet,

one end of the sealed water guide groove part is arranged in the tank body at the water inlet, and the other end of the sealed water guide groove part is provided with a water passing port;

the float valve is arranged below the sealed water guide groove piece and the water inlet and used for pushing the sealed water guide groove piece to plug the water inlet when the water level in the tank body reaches a specified height;

and the protective valve is fixedly arranged on the side of the float valve and used for plugging the water passing opening after the water level in the tank body exceeds a specified height.

9. The humidification canister with a filter as claimed in claim 8, wherein the sealing water chute member comprises:

the sealing end is arranged between the water inlet and the float valve and is used for plugging the water inlet when the water level in the tank body reaches a specified height;

the water passing port is arranged at the other end opposite to the sealing end and is arranged at the upper end of the protection valve, and water enters the tank body;

and the water guide groove is connected between the sealing end and the water passing port and used for guiding water at the sealing end to the water passing port.

10. A humidification tank with a filter as claimed in any one of claims 1 to 5 wherein the air inlet and/or the air outlet is provided with a second filter.

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