CN217246092U

CN217246092U - Humidification tank and ventilation treatment equipment

Info

Publication number: CN217246092U
Application number: CN202123441552.0U
Authority: CN
Inventors: 刘久重; 庄志; 王青松; 郑芳; 田鑫
Original assignee: BMC Tianjin Medical Co Ltd
Current assignee: BMC Tianjin Medical Co Ltd
Priority date: 2021-12-31
Filing date: 2021-12-31
Publication date: 2022-08-23
Anticipated expiration: 2031-12-31

Abstract

The utility model relates to a treatment facility field of ventilating discloses a humidifying jar and treatment facility of ventilating, the humidifying jar is including having jar body (1) that holds chamber (11) and extending to through this jar body (1) respectively hold chamber (11) in and with intake pipe (2) and outlet duct (3) that should hold chamber (11) intercommunication, the extension of this intake pipe (2) and outlet duct (3) extremely be equipped with baffle (4) between the part that holds in chamber (11), this baffle (4) have interval distribution's a plurality of airflow channel (41). This humidifying jar passes through the air inlet and introduces the air current and holds the intracavity, and airflow channel flow direction outlet duct on partly passing the baffle, and another part is sheltered from and the downflow by the part that blocks of baffle, and this has strengthened the mixture with the vapor that evaporates, has effectively reduced the resistance that the air current flows to the outlet duct from the intake pipe to improve gaseous humidifying effect.

Description

Humidification canister and ventilation therapy device

Technical Field

The utility model relates to a ventilation treatment device, in particular to a humidification pot. On the basis, the utility model also relates to a ventilation treatment device with the humidification pot.

Background

In modern clinical medicine, ventilators and high-flow oxygen therapy apparatuses and other ventilation treatment equipment are medical equipment for maintaining the breathing of patients with respiratory failure and ensuring ventilation, and play a vital role in saving and prolonging the lives of the patients. Ventilation therapy apparatuses, which replace the function of spontaneous ventilation of the human body by delivering gas of an appropriate temperature and humidity to a patient, have been commonly used in respiratory failure due to various causes, anesthesia respiratory management during major surgery, respiratory support therapy, and emergency resuscitation.

In ventilation therapy equipment such as a ventilator and a high-flow oxygen therapy apparatus, a humidification tank is generally used for humidifying air, and is used in cooperation with a breathing pipeline to warm and humidify dry and cold air so as to supply proper breathing air to a patient. The humidifying tank is provided with a containing cavity for containing purified water, an air inlet pipe and an air outlet pipe for communicating the containing cavity, so that air in the external environment can be introduced through the air inlet pipe, and humidified air can be conveyed to a patient through the air outlet pipe. In order to avoid that the gas introduced into the gas inlet pipe is directly conveyed to a patient from the gas outlet pipe without being effectively humidified, a partition plate positioned between the gas inlet pipe and the gas outlet pipe can be further arranged in the humidification tank, so that the flow path of the gas in the humidification tank can be increased to a certain extent, and the humidification effect is improved. However, the baffle increases airflow resistance, and the humidification effect is to be improved.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the problems of large flow resistance and insufficient humidification effect of the gas in the humidification tank in the prior art, and providing a humidification tank which can effectively reduce the airflow resistance and improve the humidification effect.

In order to achieve the above object, one aspect of the present invention provides a humidification canister, including having a tank body for holding a chamber and extending to through the tank body respectively the intake pipe and the outlet duct for holding the chamber and communicating with the chamber, the intake pipe and the outlet duct extending to the portion for holding the chamber is provided with a partition board, and the partition board has a plurality of air flow passages distributed at intervals.

Preferably, the partition plate has a plurality of blocking portions extending vertically downward, the plurality of blocking portions being spaced apart from each other to form the air flow passage between adjacent two of the blocking portions.

Preferably, the width of each of the blocking portions is equal to the width of each of the air flow passages, or the width of each of the blocking portions is different from the width of the air flow passages, the width of each of the blocking portions is equal to each other, the width of each of the air flow passages is equal to each other, or the width of each of the blocking portions is different from each other, and the width of each of the air flow passages is different from each other.

Preferably, the heights at which the respective blocking portions extend downward are equal to each other, or the heights at which the blocking portions extend downward from the base portion are different from each other, so that the plurality of air flow passages have different depths.

Preferably, the partition has a base portion connected to the inner surface of the top wall of the can body, from which the blocking portion extends vertically downward, or the blocking portion extends vertically downward from the inner surface of the top wall of the can body, so that the air flow passage extends to the inner surface of the top wall of the can body.

Preferably, both ends of the partition plate extend to the inner wall surface of the tank body respectively, or one end of the partition plate, which is far away from the air inlet pipe and the air outlet pipe, extends to the inner wall surface of the tank body, and the other end extends to a position between the air inlet pipe and the air outlet pipe.

Preferably, the inlet duct and the outlet duct are symmetrically disposed to each other at both sides of the partition plate.

Preferably, the air inlet pipe and the air outlet pipe are integrally formed on the tank body in an injection molding mode, and the partition plate is integrally formed on the inner surface of the top wall of the tank body.

Preferably, the opening directions of the air inlet and the air outlet of the air inlet pipe and the air outlet pipe, which are respectively communicated with the accommodating cavity, are deviated from each other.

The second aspect of the utility model provides a ventilation treatment device with the humidification pot.

Through above-mentioned technical scheme, introduce the air current that holds the intracavity through the air inlet, airflow channel flow direction outlet duct on partly passing the baffle, another part is sheltered from and the downflow by the part that blocks of baffle, and this has strengthened the mixture with the evaporation vapor, has effectively reduced the resistance of air current from the intake pipe flow direction outlet duct to improve the gas humidifying effect.

Drawings

Fig. 1 is a schematic structural view of a ventilation therapy device according to a preferred embodiment of the present invention;

FIG. 2 is a schematic diagram of the construction of the humidification tank of FIG. 1;

FIG. 3 is a schematic view of the construction of the humidification tank of FIG. 2 from another perspective, showing the baffle;

FIG. 4 is a schematic view of the construction of the wetting tank of FIG. 2 from another perspective, with the partition visible;

FIG. 5 is a cross-sectional view of the humidification tank of FIG. 2;

FIG. 6 is a schematic diagram of the structure of the air inlet pipe of the humidification tank of FIG. 2;

FIG. 7 is a schematic structural diagram of another embodiment of a humidification tank;

FIG. 8 is a schematic view of the humidification tank of FIG. 7 from a top view;

FIG. 9 is a schematic structural view of another embodiment of a humidification tank wherein the baffle extends to the inner wall surface of the tank body at only one end;

FIG. 10 is a cross-sectional view of another embodiment of a humidification canister, wherein the air inlet and outlet ports are open obliquely downward relative to the horizontal;

FIG. 11 is a cross-sectional view of another embodiment of a humidification canister, wherein the air inlet and outlet ports open obliquely upward relative to the horizontal;

fig. 12 is a cross-sectional view of a humidification canister of another embodiment, wherein the air inlet is open downwards and the air outlet is open upwards;

fig. 13 is a cross-sectional view of a humidification canister of another embodiment, wherein the air inlet is open upwardly and the air outlet is open downwardly;

fig. 14 is a schematic view of the connection structure of the humidification tank and the adapter of the present invention.

Description of the reference numerals

1-tank body; 11-a containment chamber; 12-a step portion; 2, an air inlet pipe; 21-an air inlet; 22-a side wall; 23-an end wall; 3-air outlet pipe; 31-air outlet; 4-a separator; 41-gas channel; 42-a base; 43-a barrier; 5-an adapter; 6-a host; p-water surface.

Detailed Description

The following describes in detail embodiments of the present invention with reference to the accompanying drawings. It is to be understood that the description of the embodiments herein is for purposes of illustration and explanation only and is not intended to limit the invention.

In the present invention, unless otherwise stated, the use of directional terms such as "upper, lower, left, and right" generally means upper, lower, left, and right as viewed with reference to the drawings; "inner and outer" refer to the inner and outer relative to the profile of the components themselves.

Referring to fig. 1, the ventilation therapy device can be set as a respirator or a high-flow oxygen therapy instrument and the like, and is provided with a main machine 6 and a humidification tank arranged on the main machine 6. The main body 6 may have a mounting seat for mounting a humidification canister, the humidification canister being removably mounted to the mounting seat for removal from the main body 6 for watering, cleaning, etc.

The humidifying tank is provided with a tank body 1, and an air inlet pipe 2 and an air outlet pipe 3 which are connected with the tank body 1, wherein the tank body 1 is provided with a containing cavity 11 (see figure 4) for containing pure water, and the air inlet pipe 2 and the air outlet pipe 3 respectively penetrate through the tank body 1 to extend into the containing cavity 11 and are communicated with the containing cavity 11. In the assembled state as shown in fig. 1, the inlet tube 2 may be connected to a corresponding portion of the main body 6, so that the air is introduced into the accommodating chamber 11 through the inlet tube 2, humidified in the accommodating chamber 11, and then delivered to the patient through the outlet tube 3. In order to facilitate the connection of the breathing pipeline so as to convey the breathing gas of the heating and humidifying to the patient, the air outlet pipe 3 can be connected with an adapter 5, and the adapter 5 can be bent relative to the extending direction of the air outlet pipe 3 so as to connect the breathing pipeline at a proper angle and convey the gas with proper temperature and humidity to the patient through a breathing mask and the like. In the embodiment shown in figure 1, the outlet of the adapter 5 is directed vertically upwards, and is located near the tubing socket of the host 6. In other embodiments, the adapter 5 may also be bent in a horizontal direction, as shown in fig. 14. The adapter 5 can be mounted and dismounted together with the humidification tank and used as a part of the humidification tank.

Referring to fig. 2 to 5, in a humidification tank for the above-mentioned ventilation therapy device according to a preferred embodiment of the present invention, an air inlet pipe 2 is connected to the accommodating chamber 11 through an air inlet 21, and an air outlet pipe 3 is connected to the accommodating chamber 11 through an air outlet 31. A partition plate 4 is arranged between the parts of the inlet pipe 2 and the outlet pipe 3 extending into the accommodating cavity 11, and the partition plate 4 is provided with a plurality of gas channels 41 distributed at intervals. Therefore, the airflow introduced into the accommodating cavity 11 through the air inlet 21 partially passes through the airflow channel 41 on the partition plate 4 and flows to the air outlet pipe 3, and the other part of the airflow is blocked by the blocking part 43 of the partition plate 4 and flows downwards, so that the mixing of the airflow and the evaporated steam is enhanced, the resistance of the airflow flowing from the air inlet pipe 2 to the air outlet pipe 3 is effectively reduced, and the air humidifying effect is improved. Specifically, when flowing through the partition plate 4, the gas flow passes through the gas passage 41, and the blocking portion 43 cannot pass through the gas flow. At this time, the warm and humid gas (flowing upwards) in the accommodating cavity 11 can flow upwards from the water surface P along the two sides of the blocking portion 43, so that the sufficient mixing is performed on the contact surface between the blocking portion 43 and the gas channel 41, and the gas flow is gradually changed into the damp and hot mixed gas flow from the dry and cold state, so that the mixing efficiency is improved, and the humidifying effect of the gas flow is enhanced.

The utility model discloses in, baffle 4 can integrated into one piece on the roof internal surface of jar body 1, if can integrative injection moulding. In other embodiments, the baffle 4 may also be formed separately and attached to the inner surface of the top wall of the can body 1 by suitable means.

A partition plate 4 may be vertically extended downward from an inner surface of a top wall of the can body 1, and the inlet duct 2 and the outlet duct 3 are symmetrically disposed to each other at both sides of the partition plate 4. In other embodiments, the partition 4 may also have an oblique angle with respect to the vertical plane. As can be seen from the perspective shown in fig. 4, in the preferred embodiment, the partition 4 extends from one side wall to the other side wall through the central axis of the humidification tank, i.e., both ends of the partition 4 extend to the inner wall surface of the tank body 1, respectively. In another preferred embodiment shown in fig. 9, the partition plate 4 may extend only a part of the accommodating chamber 11 in the radial direction, that is, one end of the partition plate 4 away from the inlet pipe 2 and the outlet pipe 3 extends to the inner wall surface of the tank 1, and the other end extends between the inlet pipe 2 and the outlet pipe 3.

The respective blocking portions 43 of the above partition 4 are integrally connected and form the air flow path 41 between the adjacent blocking portions 43, and the respective blocking portions 43 are connected to the top wall inner surface of the can body 1 through the common base portion 42. In an alternative embodiment shown in fig. 7 and 8, the respective baffles 43 may also be independent of each other, i.e. the respective baffles 43 extend vertically downwards from the inner surface of the top wall of the can body 1, with the air flow channel 41 therebetween extending to the inner surface of the top wall of the can body 1. Thus, although the present invention is described as the partition plate 4 having the air flow passage 41, each of the blocking portions 43 of the partition plate 4 is not formed as a single plate body as much as possible.

In the illustrated preferred embodiment, the widths of the respective blocking portions 43 are equal to each other, and the widths of the respective air flow passages 41 are equal to each other. Wherein the widths of the blocking portion 43 and the air flow channel 41 may be equal or different. In other embodiments, the widths of the respective blocking portions 43 may be different from each other, and the widths of the respective airflow passages 41 may also be different from each other.

Similarly, in the preferred embodiment shown, the height of each of the stops 43 extending downwardly from the top wall inner surface or base 42 of the can 4 is equal to one another. Alternatively, in other embodiments, the heights at which the blocking portions 43 extend downward from the top wall inner surface or base portion 42 of the can 4 may be different from each other, so that the plurality of air flow passages 41 have different depths.

In a preferred embodiment of the present invention, the opening directions of the air inlet 21 and the air outlet 31 deviate from each other, that is, the air inlet 21 faces the side away from the air outlet pipe 3, and the air outlet 31 faces the side away from the air inlet pipe 2. In the preferred embodiment shown in fig. 5, the air inlet 21 and the air outlet 31 face away from each other towards the side wall of the can body 1. Therefore, as shown by arrows in fig. 5 or fig. 8, the airflow introduced through the air inlet 21 is firstly blown to one side (the side wall part blowing to the right side of the tank body) far away from the air outlet pipe 3, and flows into the air outlet pipe 3 from the air outlet 31 far away from one side (the side wall part close to the left side of the tank body) of the air inlet pipe 2 to output the humidified gas, the gas flow path is prolonged, the humidified effect can be ensured by fully contacting with the water vapor in the accommodating cavity 11, and the internal air path and the product structure of the humidified tank are optimized.

Generally, the air inlet pipe 2 and the air outlet pipe 3 can be located at the same height position of the tank body 1 and above the water surface P in the tank body 1, and the moisture in the accommodating cavity 11 is heated and evaporated and is fully contacted with the air flowing from the air inlet pipe 2 to the air outlet pipe 3 to form warm and humid respiratory gas which can be supplied to a patient. In the preferred embodiment shown in fig. 5, the air inlet 21 of the air inlet pipe 2 and the air outlet 31 of the air outlet pipe 3 are both open in the horizontal direction, and the air flow enters the accommodating chamber 11 through the air inlet 21 in the horizontal direction and enters the air outlet pipe 3 through the air outlet 31 in the horizontal direction. In other embodiments, the opening directions of the air inlet 21 and the air outlet 31 may also be inclined with respect to the horizontal direction, and need not be completely symmetrical, as long as they are away from each other. For example, in the alternative embodiment shown in fig. 10, the air inlet 21 and the air outlet 31 are each opened obliquely downward with respect to the horizontal direction; in the alternative embodiment shown in fig. 11, the air inlet 21 and the air outlet 31 are each opened obliquely upward with respect to the horizontal direction. Therefore, the opening directions of the air inlet 21 and the air outlet 31 of the present invention deviate from each other, and the present invention is not limited to the case where the included angle between the two opening directions is 180 °. Furthermore, in two other alternative embodiments shown in fig. 12 and 13, one of the air inlet 21 and the air outlet 31 may face upward, and the other may face downward, and the flow path of the air flow in the tank 4 may be extended as well.

In order to avoid the over-height of the whole humidification water tank caused by the air inlet pipe 2 and the air outlet pipe 3, the air inlet pipe and the air outlet pipe can respectively extend into the accommodating cavity 11 along the horizontal direction. The inlet pipe 2 and the outlet pipe 3 have generally cylindrical tubular bodies, and may be formed with the aforementioned inlet port 21 and outlet port 31 at their ends extending into the accommodating chamber 11. As shown in fig. 3 and 6, the end portions of the inlet pipe 2 and the outlet pipe 3 extending into the accommodating chamber 11 may have cutouts to be formed in a semi-cylindrical shape, and form an inlet port 21 and an outlet port 31, respectively, on the sides facing away from each other. In other embodiments, the inlet pipe 2 and the outlet pipe 3 may also be formed as outer contours having other shapes, such as hollow prismatic tubes. Further, in order to reduce the flow rate of gas passing through the end portions of the inlet pipe 2 and the outlet pipe 3, the portion thereof formed in a semi-cylindrical shape may have a hollow portion defined by side walls and end walls. Taking the intake pipe 2 shown in fig. 6 as an example, a semi-cylindrical portion thereof has a side wall 22 and an end wall 23 and is hollow in the portion to form an intake port 21 communicating with the accommodating chamber 11. The inlet pipe 2 and the outlet pipe 3 in this structure also have the advantage of being easy to form.

As shown in fig. 2, a step portion 12 may be formed on the top of the tank body 1, and the air inlet pipe 2 and the air outlet pipe 3 may extend horizontally to the accommodating cavity 11 at the step portion 12, so that the air inlet pipe 2 and the air outlet pipe 3 do not occupy extra height space of the humidification tank, and instability caused by too high height is avoided.

In the humidifying tank of the utility model, the air inlet pipe 2 and the air outlet pipe 3 can be integrally formed on the tank body 1 by injection molding so as to ensure the relative tightness of the accommodating cavity 11. In an alternative embodiment, the inlet pipe 2 and the outlet pipe 3 may be separately formed and connected to the can 1, and connected to extend through the can 1 to communicate with the receiving chamber 11.

On the basis, the utility model also provides a ventilation treatment device comprising the humidification pot.

The preferred embodiments of the present invention have been described in detail above with reference to the accompanying drawings, but the present invention is not limited thereto. The technical concept of the utility model is in the scope, can be right the utility model discloses a technical scheme carries out multiple simple variant, makes up with any suitable mode including each concrete technical characteristics. In order to avoid unnecessary repetition, the present invention does not separately describe various possible combinations. These simple variations and combinations should also be considered as disclosed in the present invention, all falling within the scope of protection of the present invention.

Claims

1. The utility model provides a humidification jar, is including having jar body (1) that holds chamber (11) and extending to through this jar body (1) respectively hold in chamber (11) and with this intake pipe (2) and outlet duct (3) that hold chamber (11) intercommunication, its characterized in that, the extension of this intake pipe (2) and outlet duct (3) extremely hold and be equipped with baffle (4) between the part in chamber (11), this baffle (4) have a plurality of air current passageway (41) of interval distribution.

2. Humidification tank according to claim 1, characterised in that the partition (4) has a plurality of blocking portions (43) extending vertically downwards, which blocking portions (43) are spaced from each other to form the air flow channel (41) between two adjacent blocking portions (43).

3. Humidification canister as claimed in claim 2, characterised in that the width of each of the blocking portions (43) is equal to the width of each of the air flow channels (41), or,

the width of the blocking portions (43) is different from the width of the air flow passages (41), the width of each of the blocking portions (43) is equal to each other, the width of each of the air flow passages (41) is equal to each other, or,

widths of the respective blocking portions (43) are different from each other, and widths of the respective air flow passages (41) are different from each other.

4. The humidification tank as claimed in claim 2, wherein the downward extending heights of the respective baffles (43) are equal to each other, or wherein the downward extending heights of the baffles (43) are different from each other, so that the plurality of air flow channels (41) have different depths.

5. The humidification tank as claimed in claim 2, wherein the partition (4) has a base portion (42) connected to the top wall inner surface of the tank body (1), the blocking portion (43) extending vertically downward from the base portion (42), or the blocking portion (43) extending vertically downward from the top wall inner surface of the tank body (1) such that the air flow channel (41) extends to the top wall inner surface of the tank body (1).

6. The humidification tank as claimed in claim 1, wherein both ends of the partition plate (4) extend to the inner wall surface of the tank body (1), or one end of the partition plate (4) far away from the air inlet pipe (2) and the air outlet pipe (3) extends to the inner wall surface of the tank body (1), and the other end extends between the air inlet pipe (2) and the air outlet pipe (3).

7. Humidification tank according to claim 1, characterised in that the inlet pipe (2) and outlet pipe (3) are arranged symmetrically to each other on both sides of the partition (4).

8. The humidification tank as claimed in claim 1, wherein the inlet pipe (2) and the outlet pipe (3) are integrally injection molded on the tank body (1), and the partition plate (4) is integrally formed on the inner surface of the top wall of the tank body (1).

9. Humidification tank according to claim 1, characterised in that the openings of the inlet (2) and outlet (3) ducts communicating respectively with the inlet (21) and outlet (31) of the housing chamber (11) are directed away from each other.

10. A ventilation therapy device, characterized in that it has a humidification canister according to any one of claims 1 to 9.