CN217246088U

CN217246088U - Ventilation therapy device

Info

Publication number: CN217246088U
Application number: CN202123422519.3U
Authority: CN
Inventors: 陈允敬; 庄志; 郑芳; 田鑫
Original assignee: BMC Medical Co Ltd
Current assignee: BMC 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 technical field of ventilating discloses a treatment equipment of ventilating, should ventilate treatment equipment and include that host computer (1) and detachably install humidifying jar (2) on this host computer (1), the lateral part of host computer (1) is formed with filter core mounting groove (11), and detachably cartridge is connected with filter element group spare (3) in this filter core mounting groove (11) to connect for making the filter core air inlet of this filter element group spare (3) be connected to the host computer gas outlet of host computer (1), filter core gas outlet intercommunication the inner chamber of humidifying jar (2). The ventilation treatment equipment can filter the respiratory gas supplied to a patient by utilizing the filter element assembly inserted and connected into the filter element mounting groove of the main machine; when the filter element assembly does not need to be filtered, the filter element assembly can be replaced by the ventilation joint which has a structure similar to that of the filter element assembly but does not have a filter element, so that the completeness of the air path is ensured, and the air supplied from the air outlet of the main machine directly enters the humidification tank for humidification, thereby being flexibly applicable to different patients.

Description

Ventilation therapy device

Technical Field

The utility model relates to a treatment of ventilating technique specifically relates to a treatment of ventilating equipment.

Background

Nasal High-flow humidified oxygen therapy (HFNC) refers to a therapy mode in which a patient is continuously provided with High-flow inhaled gas with adjustable and relatively constant oxygen inhalation concentration (21% -100%), temperature (31 ℃ -37 ℃) and humidity through a High-flow Nasal plug. The HFNC device is mainly used for patients with spontaneous respiration, effectively treats the diseases by improving flow and providing the patients with respiratory gas of warming and humidifying, and is suitable for the patients with mild and moderate dyspnea and respiratory distress caused by various diseases or with hypoxemia. Through a special nasal catheter system, under the condition of continuous high flow output by the device, the patient can generate continuous positive airway pressure to prevent alveolar atrophy and collapse.

In clinical use, HFNC devices are typically fitted with a humidification canister for humidifying the breathing gas delivered to the patient. Generally, the humidification tank may be connected to the ventilation lines at the host and patient ends via an adapter to take gas from the host and provide the gas to the patient via the ventilation lines after humidification in the humidification tank.

For some special patients, especially those sensitive to bacteria or viruses in the ambient atmosphere, the inhaled gas should be filtered through a suitable filter element to ensure respiratory safety. However, most of the existing high-flow oxygen therapy apparatuses and ventilators do not have a filter element for filtering bacteria and viruses, and an adapter connected to the humidification tank and an installation space for arranging the filter element are not reserved on the whole gas passage, so that special use requirements cannot be met. Even there is a small amount of high flow oxygen therapy apparatus that is provided with bacterium or virus filter core, also only has designed the adapter of humidification jar specially, arranges the filter core between this humidification jar and host computer, provides special model from this to special patient especially, is not suitable for ordinary disease, and it can't connect after the filter core is demolishd and form complete gas passage, leads to the unable use of equipment.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the problem that the treatment of ventilating equipment that prior art exists can't supply different demands patient to use in a flexible way, provides a treatment of ventilating equipment, and this treatment of ventilating equipment can select to set up or remove filter element group spare in gas passage to still can form complete gas passage relatively easily under the situation that need not use filter element group spare, satisfy clinical different patient's user demand.

In order to achieve the above object, the utility model provides a ventilation treatment device in one aspect, install the humidifying jar on this host computer including host computer and detachably, the lateral part of host computer is formed with the filter core mounting groove, and detachably cartridge connection has filter element group spare in this filter core mounting groove to connect for making this filter element group spare the filter core air inlet be connected to the host computer gas outlet of host computer, filter element gas outlet intercommunication the inner chamber of humidifying jar.

Preferably, the cartridge assembly comprises a cartridge housing and a filter element disposed within the cartridge housing.

Preferably, in a state where the filter element assembly is mounted in the filter element mounting groove, at least a part of an outer surface of the filter element case is attached to an inner wall surface of the filter element mounting groove.

Preferably, the filter cartridge has a cartridge inlet connection for connection to the outlet of the main machine and a cartridge outlet connection for connection to the humidification tank.

Preferably, along the plug-in mounting direction of the filter element assembly, the filter element air inlet joint is arranged on one side of the filter element box, which faces the main machine.

Preferably, the filter element air outlet connector horizontally protrudes from the filter element box along the insertion direction perpendicular to the filter element component.

Preferably, the cartridge mounting groove has a recess for allowing the cartridge outlet connector to pass therethrough when the cartridge assembly is inserted into the cartridge mounting groove.

Preferably, a horizontally extending humidification tank guide rail is arranged on the main machine, the humidification tank can be mounted on the main machine along the humidification tank guide rail, and the humidification tank is connected to the filter element air outlet connector through a humidification tank air inlet pipe.

Preferably, a handle is arranged on the outer wall of the humidification tank, so that the humidification tank can be installed on or detached from the main machine along the humidification tank guide rail through the handle.

Preferably, the filter element air outlet joint is sleeved with a sealing ring, so that the filter element assembly is connected to the humidification tank air inlet pipe of the humidification tank in a sealing manner in the filter element installation groove in a plug-in manner.

Preferably, the humidification tank air inlet pipe of the humidification tank is provided with a flared part with a radial size which is increased relative to other parts at the free end for connecting the filter element air outlet joint, and the filter element air outlet joint can be in sealing joint with the flared part through the sealing ring.

Preferably, the filter element air inlet connector is arranged at a position close to the bottom of the filter core box, and the filter element air outlet connector is arranged at a position close to the top of the filter core box.

Through the technical scheme, the ventilation treatment equipment of the utility model can filter the respiratory gas supplied to the patient by using the filter element assembly inserted and connected in the filter element mounting groove of the host machine, so as to meet the use requirement of the patient sensitive to bacteria or viruses in the environmental atmosphere; when need not to filter, can follow the host computer and pull down filter element group spare, replace for with this filter element group spare structure similar, but do not have the joint of ventilating of filter element to guarantee that the gas circuit is complete, the gas that the host computer gas outlet supplies directly gets into the humidification jar humidification, should ventilate treatment facility and can be applicable to different patients in a flexible way from this, can be in normal use under different situation. Based on the structure of the used filter element assembly, a correspondingly structured filter element installation groove can be formed on the main machine, so that the breathing gas filtration can be realized by applying a non-standard filter element.

Drawings

FIG. 1 is a perspective view of a ventilation therapy device in accordance with a preferred embodiment of the present invention;

figure 2 is a cross-sectional view of the ventilation treatment device of figure 1;

figure 3 is a perspective view of the ventilation circuit of the ventilation treatment device of figure 1 with the ventilation circuit removed;

FIG. 4 is a perspective view of the humidification tank and filter cartridge assembly of the ventilation therapy device of FIG. 3 further removed;

FIG. 5 is a perspective block diagram of a humidification canister of the ventilation treatment device of FIG. 1;

figure 6 is a schematic diagram of the filter cartridge assembly of the ventilation therapy device of figure 1.

Description of the reference numerals

1-a host; 11-cartridge mounting groove; 11 a-a recess; 12-a guide rail of the humidification tank;

2-a humidifying tank; 21-air inlet pipe of the humidification tank; 21 a-a flared portion; 22-a humidifying pot air outlet pipe; 23-handle;

3-a filter element assembly; 31-a filter cartridge; 311-filter element air inlet joint; 312-cartridge outlet fitting; 32-a filter element; 33-a sealing ring; 4-vent line.

Detailed Description

The following detailed description of the embodiments of the present invention will be made 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 specified, the use of directional terms such as "upper, lower, left, and right" generally means upper, lower, left, and right as illustrated with reference to the accompanying drawings; "inner and outer" refer to the inner and outer relative to the profile of the components themselves.

Referring to fig. 1 and 2, a ventilation therapy device according to a preferred embodiment of the present invention, which may be a transnasal high flow humidification oxygen therapy apparatus or a ventilator, for example, has a main body 1 and a humidification tank 2 mounted on the main body 1. The main body 1 can be provided with a mounting seat for mounting the humidification tank 2, and the humidification tank 2 can be detachably mounted on the mounting seat so as to be detached from the main body 1 for operations of adding water, cleaning and the like.

With reference to fig. 3 and 4, in order to provide the patient with the humidified gas after being filtered, the ventilation treatment apparatus of the present invention is formed with a filter mounting groove 11 at a side portion of the main body 1, and the main body 1 has a main body air outlet opening toward the filter mounting groove 11. Detachably cartridge connection has filter element group spare 3 in this filter element mounting groove 11 to connect for making the filter element air inlet of this filter element group spare 3 be connected to the host computer gas outlet, the inner chamber of filter element gas outlet intercommunication humidification jar 2, from this, the host computer gas outlet is through the inner chamber of this filter element group spare 3 intercommunication humidification jar 2.

The ventilation treatment equipment of the utility model can filter the respiratory gas supplied to the patient by the filter element component 3 inserted and connected in the filter element mounting groove 11 of the main machine 1, so as to meet the use requirement of the patient sensitive to bacteria or virus in the environment atmosphere; when need not to filter, can follow host computer 1 and pull down filter element group spare 3, replace for with this filter element group spare 3 structure similar, but do not have the joint of ventilating of filter element to guarantee that the gas circuit is complete, the gas that the host computer gas outlet supplies directly gets into the humidification jar humidification, should ventilate treatment facility and can be applicable to different patients in a flexible way from this, can be in normal use under different situation. Based on the structure of the used filter element assembly 3, a corresponding structure of a filter element installation groove 11 can be formed on the main body 1 of the ventilation therapy equipment, thereby realizing the respiratory gas filtration by applying a non-standard filter element. Through setting up the filter core mounting groove 11 that will be used for installing filter element group spare 3 in the lateral part of host computer 1, can avoid highly increasing because of the complete machine that installation filter element group spare 3 leads to, be favorable to guaranteeing equipment stability.

As shown in connection with fig. 2 and 6, the filter element assembly 3 of the present invention may be formed in a generally rectangular non-standard configuration. This filter element group spare 3 includes filter core box 31 and locates the interior filter element 32 of this filter core box 31, and this filter element 32 can be for the arbitrary material and the structure of the bacterium in the filterable air or virus, for example non-woven fabrics filter pulp, glass fiber filter pulp, active carbon filter pulp etc.. In a state where the filter element assembly 3 is mounted in the filter element mounting groove 11, at least part of the outer surface of the filter element case 31 is attached to the inner wall surface of the filter element mounting groove 11.

In the preferred embodiment shown in the drawings, four side surfaces (four side wall surfaces of upper, lower, left, and right in fig. 2) of the cartridge case 31 can be respectively brought into contact with the inner wall surface of the cartridge installation groove 11 in the insertion direction of the filter element cartridge 3, and the inner side in the insertion direction thereof can be brought into contact with the bottom wall of the cartridge installation groove 11 opposite to the open end thereof, so that the cartridge case can be stably positioned in the cartridge installation groove 11, and the air passage sealing failure due to the relative movement with the main unit 1 can be prevented.

The filter core box 31 is provided with a filter core air inlet joint 311 for connecting with a host air outlet and a filter core air outlet joint 312 for connecting with a humidification tank air inlet pipe 21 (see fig. 5) of the humidification tank 2, wherein the filter core air inlet joint 311 is provided with a filter core air inlet for receiving air from the host air outlet; the filter element outlet joint 312 is formed with a filter element outlet, and the gas output from the host machine outlet can pass through the filter element 32 in the inner cavity of the filter element box 31 and then enter the humidification tank 2 through the filter element outlet for humidification. In the illustrated preferred embodiment, the cartridge inlet connector 311 is provided on the inner side of the cartridge case 31 in the insertion direction, so that the cartridge inlet connector 311 can be connected to the main unit outlet port in the cartridge installation groove 11 while being inserted, without a separate connection operation. To ensure filtration, the cartridge inlet connector 311 can be positioned near the bottom of the cartridge housing 31 and the cartridge outlet connector 312 can be positioned near the top of the cartridge housing 31, thereby extending the path of the air flow through the filter element 32 therein.

In addition, the filter element outlet connector 312 can be arranged to horizontally protrude from the filter element box 31 along a direction perpendicular to the insertion direction of the filter element assembly 3 so as to be connected with the humidification tank inlet pipe 21 of the humidification tank 2. Accordingly, the cartridge installation recess 11 may have a recess 11a for allowing the cartridge outlet fitting 312 to pass therethrough when the cartridge assembly 3 is inserted into the cartridge installation recess 11.

From this, after installing filter component 3 to filter core mounting groove 11 in, its filter core is given vent to anger and is connect 312 towards humidification jar 2 direction level extension, and then can be when installing humidification jar 2 to host computer 1 horizontally for humidification jar air inlet pipe 21 of this humidification jar 2 is connected to filter core and is given vent to anger and connect 312. Therefore, a horizontally extending humidification tank guide rail 12 can be arranged on the main machine 1, the humidification tank 2 can be installed on the main machine 1 along the humidification tank guide rail 12, the humidification tank air inlet pipe 21 of the humidification tank 2 is connected to the filter element air outlet joint 312 through connection, a sealing air path is formed together with the filter assembly 3, and assembly is conveniently completed.

Here, referring to fig. 5, in order to facilitate the detachment and installation of the humidification canister 2 by a push-pull method, a handle 23 may be disposed on an outer wall of the humidification canister 2, and the handle 23 may effectively reduce the difficulty of pulling out the humidification canister 2 from the main machine 1 in a state where the humidification canister air inlet pipe 21 is firmly connected to the filter element air outlet joint 312 of the filter element assembly 3. Typically, the humidification tank 2 may have a tank body formed with an inner cavity, and a humidification tank air inlet pipe 21 and a humidification tank air outlet pipe 22 communicated with the inner cavity, the humidification tank air inlet pipe 21 and the humidification tank air outlet pipe 22 may be integrally arranged on the same adapter, and the humidification tank air outlet pipe 22 may be connected with an air pipeline 4 (see fig. 1 and 2) for delivering air to a patient. In the ventilation treatment equipment, the air outlet of the filter element assembly 3 is communicated with the inner cavity of the humidification tank 2, namely the air outlet is communicated with the inner cavity of the humidification tank 2 through the humidification tank air inlet pipe 21 connected with the humidification tank 2.

For a non-standard filter element assembly, the filter element inlet connector 311 and the filter element outlet connector 312 may be non-conical connectors, and in order to ensure the connection sealing performance, the connection part between the filter element inlet connector and the main machine outlet and the humidification tank inlet pipe 21 may be sealed by a sealing ring. In the preferred embodiment shown, the filter cartridge air outlet connector 312 is sleeved with a sealing ring 33 to be capable of sealing joint with the humidification tank air inlet pipe 21 of the humidification tank 2 in a state that the filter cartridge assembly 3 is inserted into the filter cartridge installation groove 11.

In this case, the humidification tank inlet pipe 21 of the humidification tank 2 may have a flared portion 21a, which is enlarged in radial dimension relative to the other portion, at a free end for connection to the filter cartridge outlet fitting 312, and the filter cartridge outlet fitting 312 is inserted into the flared portion 21a and can be sealingly engaged with the flared portion 21a by the seal ring 33.

When the clinical patient does not need to install the bacteria/virus filter element, the ventilation treatment equipment of the utility model only needs to replace the filter element component 3 with a common ventilation joint, the shape of the ventilation joint is the same as that of the replaced filter element component 3, and the ventilation treatment equipment is only internally provided with no filter elements such as filter cotton. Therefore, different requirements of clinical patients are better met under the condition that the equipment host does not need to be replaced, equipment purchasing cost of a hospital is reduced, and social resources are saved.

The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited thereto. The technical idea of the utility model within 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 feature. 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 therapeutic equipment ventilates, includes host computer (1) and detachably installs humidification jar (2) on this host computer (1), its characterized in that, the lateral part of host computer (1) is formed with filter core mounting groove (11), and detachably cartridge is connected with filter element group spare (3) in this filter core mounting groove (11) to connect for making the filter element air inlet of this filter element group spare (3) be connected to the host computer gas outlet of host computer (1), filter element gas outlet intercommunication the inner chamber of humidification jar (2).

2. The ventilation treatment device according to claim 1, characterized in that the filter cartridge assembly (3) comprises a filter cartridge (31) and a filter element (32) provided inside the filter cartridge (31).

3. The ventilation treatment apparatus according to claim 2, wherein at least a part of an outer surface of the filter cartridge case (31) is fitted to an inner wall surface of the filter cartridge installation groove (11) in a state where the filter cartridge assembly (3) is installed in the filter cartridge installation groove (11).

4. The ventilation therapy device according to claim 2, characterized in that said filter cartridge (31) has a filter cartridge air inlet connection (311) for connection to the main machine air outlet and a filter cartridge air outlet connection (312) for connection to the humidification tank (2).

5. The ventilation therapy device according to claim 4, characterized in that the filter cartridge air inlet connector (311) is arranged on the side of the filter cartridge housing (31) facing the main unit (1) in the direction of insertion of the filter cartridge assembly (3).

6. The ventilation therapy device according to claim 4, characterized in that the filter cartridge air outlet connector (312) protrudes horizontally from the filter cartridge housing (31) in a direction perpendicular to the insertion direction of the filter cartridge assembly (3).

7. The ventilation therapy apparatus according to claim 6, wherein the cartridge mounting groove (11) has a recess (11a) for allowing the cartridge outlet fitting (312) to pass therethrough when the cartridge assembly (3) is inserted into the cartridge mounting groove (11).

8. The ventilation therapy equipment of claim 6, characterized in that the host machine (1) is provided with a horizontally extending humidification tank guide rail (12), and the humidification tank (2) can be mounted on the host machine (1) along the humidification tank guide rail (12) to be connected in such a way that a humidification tank air inlet pipe (21) of the humidification tank (2) is connected to the filter cartridge air outlet joint (312).

9. The ventilation therapy equipment of claim 8, characterized in that the outer wall of the humidification tank (2) is provided with a handle (23), so that the humidification tank (2) can be installed on the main machine (1) or detached from the main machine (1) along the humidification tank guide rail (12) through the handle (23).

10. The ventilation therapy equipment of claim 4, wherein the filter element air outlet joint (312) is sleeved with a sealing ring (33) so as to be capable of being in sealing joint with a humidification tank air inlet pipe (21) of the humidification tank (2) in a state that the filter element assembly (3) is inserted and connected into the filter element installation groove (11).

11. The ventilation therapy device according to claim 10, characterized in that the humidification canister inlet pipe (21) of the humidification canister (2) has a flared portion (21a) of increased radial dimension relative to the rest at the free end for connection to the cartridge outlet fitting (312), the cartridge outlet fitting (312) being sealingly engageable with this flared portion (21a) by means of the sealing ring (33).

12. The ventilation treatment device according to claim 4, characterized in that the filter cartridge air inlet connector (311) is arranged in a position close to the bottom of the filter cartridge box (31) and the filter cartridge air outlet connector (312) is arranged in a position close to the top of the filter cartridge box (31).