CN215938654U - Breathing machine pipeline connected with breathing saccule and breathing device - Google Patents
Breathing machine pipeline connected with breathing saccule and breathing device Download PDFInfo
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- CN215938654U CN215938654U CN202122338421.3U CN202122338421U CN215938654U CN 215938654 U CN215938654 U CN 215938654U CN 202122338421 U CN202122338421 U CN 202122338421U CN 215938654 U CN215938654 U CN 215938654U
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Abstract
The utility model discloses a breathing machine pipeline connected with a breathing balloon and a breathing device, wherein the breathing machine pipeline comprises a first Y-shaped joint, an air inlet connecting pipe, an air outlet connecting pipe, an air suction pipe and an air expiration pipe, wherein the first Y-shaped joint is mutually matched with the first Y-shaped joint; the air outlet end of the air inlet connecting pipe is detachably connected with the air inlet end of the air suction pipe; the air outlet end of the air suction pipe is used for being externally connected with a nasal obstruction pipeline of a positive pressure system or a connector of an invasive breathing pipeline system; the air inlet end of the air outlet connecting pipe is detachably connected with the air outlet end of the expiration pipe; the air inlet end of the expiration pipe is externally connected with a nasal obstruction pipeline of a positive pressure system or another interface of an invasive breathing pipeline system. The utility model can ensure the safety of the children patients during the outgoing examination, also avoids the need of urgent trachea intubation before the outgoing examination of the critically ill children, reduces the pain of the children patients, saves the time and improves the working efficiency.
Description
Technical Field
The utility model relates to the technical field of medical equipment, in particular to a breathing machine pipeline connected with a breathing saccule and a breathing device.
Background
The nasal non-invasive assisted ventilation mode is the most widely used non-invasive mechanical ventilation mode in pediatric intensive care units. Its function is to keep the airway patent and maintain functional residual capacity. The hospital infant in the paediatrics intensive care unit often goes out to do various auxiliary inspections such as B ultrasonic, CT, MR, when using the pernasal to have the infant of the mode of non-invasive auxiliary ventilation of not going out to inspect, need break nasal obstruction and breathing machine pipeline, change into the face guard oxygen uptake back, take out the inspection of going out by the doctor. The breathing support given by the oxygen inhalation of the mask is insufficient, the safety of the infant patient is threatened, and the change of the illness condition is easy to occur in the inspection process. As disclosed in chinese patent publication No.: CN 108939245 a, published: 2018.12.07 discloses a respirator pipeline for avoiding doctor-patient cross infection, which comprises a Y-shaped joint, an air suction pipe and an air exhaust pipe connected at the two ends of the Y-shaped joint, a cup cover and a cup body, wherein the fastening joints are fixedly arranged at the joints of the air suction pipe and the air exhaust pipe and the Y-shaped joint, the bottom of the cup body is fixedly provided with a rotating cover matched with the opening of the cup body, self-sealing devices are arranged in the cup cover and the cup body, and the cup cover and the cup body can be automatically sealed when the cup cover of the water collecting cup is opened.
This method has the following disadvantages:
1. when going out to examine in the face of an acute and serious infant, medical care personnel select to transfer a breathing machine to assist ventilation or a breathing saccule to assist ventilation after trachea intubation.
2. When the infant patient with the tracheal cannula goes out for examination, the tracheal cannula is directly inserted into the respiratory balloon, auxiliary ventilation is provided, and the operation is inconvenient and inconvenient due to short pipelines, so that the risk of tube detachment exists.
3. When going out for examination and the respiration saccule is used for auxiliary ventilation, the traditional humidification bottle (water adding) is used for humidifying oxygen, the way going out for examination is inclined, and humidified water easily enters an oxygen absorption pipeline to cause discomfort of a child patient and have potential safety hazard. The air exhaled by the infant patient is directly exhausted into the air, so that the air exhaustcan provide challenges for the sensory control in hospitals, and further can pose great threats to medical staff.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems of the prior art, the utility model provides a breathing machine pipeline connected with a breathing saccule and a breathing device, which can ensure the safety of the children patients during the outgoing examination, avoid the need of emergency trachea cannula before the emergent and critical children patients go out to examine, reduce the pain of the children patients, save the time and improve the working efficiency.
In order to achieve the purpose of the utility model, the technical scheme is as follows:
a breathing machine pipeline connected with a breathing balloon comprises a first Y-shaped joint, an air inlet connecting pipe, an air outlet connecting pipe, an air suction pipe and an air expiration pipe, wherein the air inlet connecting pipe and the air outlet connecting pipe are connected with two ends of the first Y-shaped joint;
the air outlet end of the air inlet connecting pipe is detachably connected with the air inlet end of the air suction pipe; the air outlet end of the air suction pipe is used for being externally connected with a nasal obstruction pipeline of a positive pressure system or a connector of an invasive breathing pipeline system;
the air inlet end of the air outlet connecting pipe is detachably connected with the air outlet end of the expiration pipe; the air inlet end of the expiration pipe is externally connected with a nasal obstruction pipeline of a positive pressure system or another interface of an invasive breathing pipeline system.
Preferably, an air inlet film for unidirectional air flow is arranged in the air inlet connecting pipe; an air outlet film for unidirectional air flow is arranged in the air outlet connecting pipe.
Preferably, the exhaling pipe and the inhaling pipe are both telescopic bellows.
Preferably, the humidifying device also comprises a humidifying device, wherein the humidifying device comprises a humidifying chamber, and a moisturizing layer is arranged in the humidifying chamber; one side of the humidifying chamber is communicated with the air outlet end of the air suction pipe; the other side of the humidifying chamber is used for being externally connected with a nasal obstruction pipeline of a positive pressure system or a connector of an invasive breathing pipeline system.
Furthermore, the humidifying chamber comprises a first humidifying shell with a hollow structure on the inner side and a second humidifying shell with a hollow structure on the inner side; the first humidification shell and the second humidification shell are detachably connected, and after the first humidification shell and the second humidification shell are connected, a humidification chamber is formed inside the first humidification shell and the second humidification shell; the first humidifying shell is communicated with the air outlet end of the air suction pipe; the second humidifying shell is used for being externally connected with a nasal obstruction pipeline of a positive pressure system or a connector of an invasive breathing pipeline system.
Still further, the humidifying device also comprises a protective cap; the outer surface of the first humidifying shell is provided with a through hole which is connected with a hollow structure at the inner side of the first humidifying shell; the protective cap is used for sealing the through hole.
Preferably, the device also comprises a filtering device, wherein the filtering device comprises a filtering chamber and a filtering layer; the filter layer is arranged inside the filter chamber; one side of the filter chamber is communicated with the air inlet end of the expiration pipe; the other side of the filter chamber is used for being externally connected with a nasal obstruction pipeline of a positive pressure system or another interface of an invasive breathing pipeline system.
Furthermore, the filter chamber comprises a first filter housing with a hollow structure on the inner side and a second filter housing with a hollow structure on the inner side; the first filtering shell is detachably connected with the second filtering shell, and a filtering chamber is formed in the first filtering shell and the second filtering shell after the first filtering shell and the second filtering shell are connected; the first filtering shell is communicated with the air inlet end of the expiration pipe; the second filtering shell is externally connected with a nasal obstruction pipeline of a positive pressure system or another interface of an invasive breathing pipeline system.
A breathing device comprises the breathing machine pipeline, a breathing saccule and an invasive breathing pipeline system;
an exhalation port of the respiration saccule is communicated with one port of a first Y-shaped joint in a breathing machine pipeline;
the invasive breathing pipeline system comprises a second Y-shaped joint, a breathing pipeline interface and a trachea cannula;
two ports of the second Y-shaped joint are respectively communicated with the breathing pipe and the expiration pipe;
and the other port of the second Y-shaped joint is communicated with the breathing pipeline interface and the trachea cannula in sequence.
A breathing device comprises the breathing machine pipeline, a breathing saccule and a positive pressure system nasal obstruction pipeline;
an exhalation port of the respiration saccule is communicated with one port of a first Y-shaped joint in a breathing machine pipeline;
the positive pressure system nasal obstruction pipeline comprises two breathing pipelines, two nasal rods and a ventilating nasal obstruction;
one end of one path of the breathing pipeline is communicated with the breathing pipe, and one end of the other path of the breathing pipeline is communicated with the expiration pipe;
the other end of the breathing pipeline is communicated with one end of one nose rod; the other end of the breathing pipeline is communicated with one end of the other nasal rod;
the other ends of the two nose rods are communicated with each other and are communicated with the ventilating nasal plug.
The utility model has the following beneficial effects:
the utility model provides a breathing machine pipeline connected with a breathing saccule, which is suitable for a nasal non-invasive auxiliary ventilation mode and is suitable for being directly connected with a nasal obstruction pipeline of a positive pressure system and the breathing saccule during outgoing examination, in order to ensure the life safety of a child during outgoing examination, reduce the hospitalization days of the child and increase the auxiliary examination speed and combine clinical requirements. Meanwhile, the utility model can also be used for the outgoing examination of the trachea cannula for the sick children.
The breathing machine pipeline can be directly connected with the breathing saccule, the breathing saccule is used for supplying oxygen, a simple breathing machine system is simulated, the safety of the child during the outgoing examination is ensured, the emergency trachea cannula is avoided before the emergency and critical child goes out for examination, the pain of the child is reduced, the time is saved, and the working efficiency is improved. Also can connect trachea cannula's infant, pipeline design moisturizing device can give humidification, filter equipment through the air flue when going out the inspection.
Drawings
Fig. 1 is a schematic structural diagram of a ventilator circuit according to embodiment 1.
Fig. 2 is a schematic diagram of the connection of the ventilator circuit and the invasive breathing circuit system described in example 2.
Fig. 3 is a schematic diagram of the connection of the ventilator circuit and the nasal obstruction circuit of the positive pressure system in embodiment 3.
In the figure, 1-a first Y-shaped joint, 2-an air inlet joint, 3-an air outlet joint, 4-an air inlet pipe, 5-an air outlet pipe, 6-a humidifying device, 601-a second humidifying shell, 602-a first humidifying shell, 603-a protective cap, 7-a filtering device, 701-a second filtering shell, 702-a first filtering shell, 8-an air inlet membrane, 9-an air outlet membrane, 10-a second Y-shaped joint, 11-a breathing pipeline interface, 12-an air pipe cannula, 13-a breathing pipeline, 14-a nose rod, 15-a ventilation nasal plug and 16-a fixing piece.
Detailed Description
The utility model is described in detail below with reference to the drawings and the detailed description.
Example 1
As shown in fig. 1, a breathing machine pipeline connected with a breathing saccule comprises a first Y-shaped joint 1, an air inlet connecting pipe 2 and an air outlet connecting pipe 3 connected to two ends of the first Y-shaped joint 1, an inhalation pipe 4 and an exhalation pipe 5 which are mutually matched;
the air outlet end of the air inlet connecting pipe 2 is detachably connected with the air inlet end of the air suction pipe 4; the air outlet end of the air suction pipe 4 is externally connected with a nasal obstruction pipeline of a positive pressure system or a connector of an invasive air breathing pipeline system;
the air inlet end of the air outlet connecting pipe 3 is detachably connected with the air outlet end of the expiratory pipe 5; the air inlet end of the expiration pipe 5 is externally connected with a nasal obstruction pipeline of a positive pressure system or another interface of an invasive expiration pipeline system.
The working principle of the embodiment is as follows: one end of the first Y-shaped joint 1 can be directly connected with an exhalation port of the breathing balloon, the breathing tube 4 and the exhalation tube 5 can be directly connected with a nasal obstruction pipeline of the positive pressure system, the breathing balloon is used for supplying oxygen to simulate the oxygen supply mode of a breathing machine, the oxygen supply mode does not need to be changed, and the examination of going out after the tracheal intubation 12 is not needed, so that the time is saved, and the working efficiency is improved.
In a specific embodiment, an air inlet film 8 for unidirectional air flow is arranged inside the air inlet connecting pipe 2; an air outlet film 9 for unidirectional air flow is arranged in the air outlet connecting pipe 3. The air inlet film 8 and the air outlet film 9 described in this embodiment are both check valves, and the check valves are used for controlling the unidirectional flow of air. In this embodiment, inhalation and exhalation are separate lines, and inhalation tube 4 and exhalation tube 5 are provided with one-way valves, respectively, thereby avoiding gas dead spaces.
In a specific embodiment, the exhalation tube 5 and the inhalation tube 4 are both flexible bellows. The corrugated pipe is made of pp materials, is telescopic, small in size, light in weight and convenient to place when going out for inspection. The present embodiment can set the extension range of the corrugated pipe to be 30-60 cm.
In a specific embodiment, the humidifier 6 is further included, when the air passes through the humidifier 6, the humidity of the air is increased, so that the oxygen inhaled by the patient is more humidified, and the comfort of the patient is ensured. The humidifying device 6 comprises a humidifying chamber, and a moisturizing layer is arranged in the humidifying chamber; one side of the humidifying chamber is communicated with the air outlet end of the air suction pipe 4; the other side of the humidifying chamber is used for being externally connected with a nasal obstruction pipeline of a positive pressure system or a connector of an invasive expiration pipeline system. In the embodiment, the humidifying device 6 is designed on the air suction pipe 4, so that the volume is effectively reduced, and the carrying is more convenient. The moisturizing layer described in this embodiment is a moisturizing sponge made of a material that coheres to polyurethane.
In a specific embodiment, the humidifying chamber comprises a first humidifying shell 602 with a hollow structure on the inner side, and a second humidifying shell 601 with a hollow structure on the inner side; the first humidification shell 602 and the second humidification shell 601 are detachably connected, and after the first humidification shell 602 and the second humidification shell 601 are connected, a humidification chamber is formed inside the first humidification shell 602 and the second humidification shell 601; the first humidifying shell 602 is communicated with the air outlet end of the air suction pipe 4; the second humidification housing 601 is used for externally connecting a nasal obstruction pipeline of a positive pressure system or a port of an invasive exhalation pipeline system.
The first humidifying shell 602 of this embodiment is equipped with first threaded interface, the second humidifying shell 601 be equipped with the first threaded interface threaded connection's of first humidifying shell 602 second threaded interface, first humidifying shell 602 and second humidifying shell 601 threaded connection, in order to avoid humidifying chamber infiltration, be equipped with the sealing washer at first threaded interface or second threaded interface cover. This embodiment allows the wetted layer to be replaced by removing the chamber.
The outside of the second humidification shell 601 is provided with a first joint which is communicated with the hollow structure inside the second humidification shell 601, and the second humidification shell 601 is externally connected with a nasal obstruction pipeline of a positive pressure system or a connector of an invasive expiration pipeline system through the first joint.
In a specific embodiment, the wetting device 6 further comprises a protective cap 603; when the use time is too long, the moisture in the moisture retention layer of the humidification device 6 evaporates, and in order to facilitate the injection of sterile water for injection, a through hole is formed in the outer surface of the first humidification housing 602, and the through hole is connected with a hollow structure in the inner side of the first humidification housing 602; the protective cap 603 is used for sealing the through hole. Before using, the protective cap 603 can be unscrewed, then the injection water is added by the injector, at this time, the injection water flows into the inside of the moisturizing layer and is absorbed by the moisturizing sponge, and when oxygen passes through the inside of the moisturizing sponge, the oxygen is further humidified, so that the humidity of the absorbed oxygen is improved, and the comfort level of the patient is ensured.
In a specific embodiment, the device further comprises a filtering device 7, wherein the filtering device 7 comprises a filtering chamber and a filtering layer; the filter layer is arranged inside the filter chamber; one side of the filter chamber is communicated with the air inlet end of the expiration pipe 5; the other side of the filter chamber is externally connected with a nasal obstruction pipeline of a positive pressure system or another interface of an invasive breathing pipeline system; the filter layer described in this embodiment is a layer of ultrafine polypropylene fiber meltblown material.
When a patient exhales, the gas can be filtered by the filter layer to remove impurities and become clean, the filtering efficiency of particles with aerodynamic diameter being more than or equal to 0.3 micron reaches more than 95 percent, and the propagation of diseases such as bacteria, viruses and the like is effectively controlled.
In a specific embodiment, the filtering chamber comprises a first filtering housing 702 with a hollow structure on the inner side, and a second filtering housing 701 with a hollow structure on the inner side; the first filter housing 702 is detachably connected with the second filter housing 701, and a filter chamber is formed in the first filter housing 702 and the second filter housing 701 after the first filter housing 702 is connected with the second filter housing 701; the first filtering shell 702 is communicated with the air inlet end of the expiration pipe 5; the second filter housing 701 is used for externally connecting a nasal obstruction pipeline of a positive pressure system or another interface of an invasive exhalation pipeline system.
In this embodiment, the first filter housing 702 is provided with a third screw interface, the second filter housing 701 is provided with a fourth screw interface in threaded connection with the third screw interface of the first filter housing 702, and the first filter housing 702 is in threaded connection with the second filter housing 701. By unscrewing the first filter housing 702 and the second filter housing 701, the filter layer can be replaced, so that the filter can be ensured to have a good filtering effect all the time.
The outer side of the second filtering shell 701 is provided with a second joint which is communicated with the hollow structure at the inner side of the second filtering shell 701. The second filter housing 701 is externally connected with a nasal obstruction pipeline of a positive pressure system or another interface of an invasive expiration pipeline system through a second connector.
Example 2
Based on the ventilator circuit connected with the respiration balloon described in embodiment 1, as shown in fig. 2, the present embodiment further provides a respiration device, including the ventilator circuit, the respiration balloon, and the invasive expiration pipeline system provided with the transtracheal intubation 12;
an exhalation port of the respiration saccule is communicated with one port of a first Y-shaped joint 1 in a breathing machine pipeline;
the invasive expiratory pipeline system comprises a second Y-shaped joint 10, an expiratory pipeline interface 11 and a tracheal intubation 12;
two ports of the second Y-shaped joint 10 are respectively communicated with the inhalation tube 4 and the exhalation tube; specifically, two ports of the second Y-shaped joint 10 are correspondingly communicated with the second humidification housing 601 and the second filtration housing 701 through the first joint and the second structure.
The other port of the second Y-shaped joint 10 is communicated with an expiratory pipeline port 11 and an endotracheal tube 12 in sequence.
Example 3
Based on the ventilator circuit connected with the respiration balloon in embodiment 1, as shown in fig. 3, a breathing apparatus in this embodiment further includes the ventilator circuit, the respiration balloon, and the positive pressure system nasal obstruction circuit;
an exhalation port of the respiration saccule is communicated with one port of a first Y-shaped joint 1 in a breathing machine pipeline;
the positive pressure system nasal obstruction pipeline comprises two breathing pipelines 13, two nasal rods 14 and a ventilating nasal obstruction 15;
one end of one path of the expiration pipeline 13 is communicated with the inspiration pipeline 4, namely one end of the expiration pipeline 13 is communicated with the second moisturizing shell through a first joint.
One end of the other expiration pipeline 13 is communicated with the expiration pipe 5, that is, one end of the other expiration pipeline 13 is communicated with the second filtering shell 701 through a second joint.
The other end of the expiration pipeline 13 is communicated with one end of a nose rod 14; the other end of the expiration pipeline 13 is communicated with one end of the other nasal rod 14;
the other ends of the two nose rods 14 are communicated with each other and are communicated with the ventilating nasal plug 15.
In order to prevent the two exhaling pipelines 13 and the two nose rods 14 from causing pipeline confusion and being not beneficial to arrangement, the exhaling pipelines 13 and the nose rods 14 are provided with fixing parts 16, and the two exhaling pipelines 13 and the two nose rods 14 are bound together to facilitate arrangement.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. The utility model provides a connect breathing machine pipeline of sacculus which characterized in that: comprises a first Y-shaped joint, an air inlet connecting pipe, an air outlet connecting pipe, an air suction pipe and an air expiration pipe, wherein the first Y-shaped joint is matched with the first Y-shaped joint;
the air outlet end of the air inlet connecting pipe is detachably connected with the air inlet end of the air suction pipe; the air outlet end of the air suction pipe is used for being externally connected with a nasal obstruction pipeline of a positive pressure system or a connector of an invasive breathing pipeline system;
the air inlet end of the air outlet connecting pipe is detachably connected with the air outlet end of the expiration pipe; the air inlet end of the expiration pipe is externally connected with a nasal obstruction pipeline of a positive pressure system or another interface of an invasive breathing pipeline system.
2. The ventilator circuit of connecting a respiratory balloon of claim 1, wherein: an air inlet film for unidirectional air flow is arranged in the air inlet connecting pipe; an air outlet film for unidirectional air flow is arranged in the air outlet connecting pipe.
3. The ventilator circuit of connecting a respiratory balloon of claim 1, wherein: the expiration pipe, breathing pipe be the telescopic bellows.
4. The ventilator circuit of connecting a respiratory balloon of claim 1, wherein: the humidifying device comprises a humidifying chamber, and a moisturizing layer is arranged in the humidifying chamber; one side of the humidifying chamber is communicated with the air outlet end of the air suction pipe; the other side of the humidifying chamber is used for being externally connected with a nasal obstruction pipeline of a positive pressure system or a connector of an invasive breathing pipeline system.
5. The ventilator circuit of connecting a respiratory balloon of claim 4, wherein: the humidifying chamber comprises a first humidifying shell with a hollow structure on the inner side and a second humidifying shell with a hollow structure on the inner side; the first humidification shell and the second humidification shell are detachably connected, and after the first humidification shell and the second humidification shell are connected, a humidification chamber is formed inside the first humidification shell and the second humidification shell; the first humidifying shell is communicated with the air outlet end of the air suction pipe; the second humidifying shell is used for being externally connected with a nasal obstruction pipeline of a positive pressure system or a connector of an invasive breathing pipeline system.
6. The ventilator circuit of connecting a respiratory balloon of claim 5, wherein: the humidifying device also comprises a protective cap; the outer surface of the first humidifying shell is provided with a through hole which is connected with a hollow structure at the inner side of the first humidifying shell; the protective cap is used for sealing the through hole.
7. The ventilator circuit of connecting a respiratory balloon of claim 1, wherein: the filter device comprises a filter chamber and a filter layer; the filter layer is arranged inside the filter chamber; one side of the filter chamber is communicated with the air inlet end of the expiration pipe; the other side of the filter chamber is used for being externally connected with a nasal obstruction pipeline of a positive pressure system or another interface of an invasive breathing pipeline system.
8. The ventilator circuit of connecting a respiratory balloon of claim 7, wherein: the filter chamber comprises a first filter shell with a hollow structure on the inner side and a second filter shell with a hollow structure on the inner side; the first filtering shell is detachably connected with the second filtering shell, and a filtering chamber is formed in the first filtering shell and the second filtering shell after the first filtering shell and the second filtering shell are connected; the first filtering shell is communicated with the air inlet end of the expiration pipe; the second filtering shell is externally connected with a nasal obstruction pipeline of a positive pressure system or another interface of an invasive breathing pipeline system.
9. A respiratory device, characterized by: comprising a ventilator circuit, a respiratory balloon, an invasive respiratory circuit system according to any one of claims 1 to 8;
an exhalation port of the respiration saccule is communicated with one port of a first Y-shaped joint in a breathing machine pipeline;
the invasive breathing pipeline system comprises a second Y-shaped joint, a breathing pipeline interface and a trachea cannula;
two ports of the second Y-shaped joint are respectively communicated with the breathing pipe and the expiration pipe;
and the other port of the second Y-shaped joint is communicated with the breathing pipeline interface and the trachea cannula in sequence.
10. A respiratory device, characterized by: comprises a breathing machine pipeline, a breathing balloon and a positive pressure system nasal obstruction pipeline according to any one of claims 1 to 8;
an exhalation port of the respiration saccule is communicated with one port of a first Y-shaped joint in a breathing machine pipeline;
the positive pressure system nasal obstruction pipeline comprises two breathing pipelines, two nasal rods and a ventilating nasal obstruction;
one end of one path of the breathing pipeline is communicated with the breathing pipe, and one end of the other path of the breathing pipeline is communicated with the expiration pipe;
the other end of the breathing pipeline is communicated with one end of one nose rod; the other end of the breathing pipeline is communicated with one end of the other nasal rod;
the other ends of the two nose rods are communicated with each other and are communicated with the ventilating nasal plug.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202122338421.3U CN215938654U (en) | 2021-09-24 | 2021-09-24 | Breathing machine pipeline connected with breathing saccule and breathing device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202122338421.3U CN215938654U (en) | 2021-09-24 | 2021-09-24 | Breathing machine pipeline connected with breathing saccule and breathing device |
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| CN215938654U true CN215938654U (en) | 2022-03-04 |
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| CN202122338421.3U Active CN215938654U (en) | 2021-09-24 | 2021-09-24 | Breathing machine pipeline connected with breathing saccule and breathing device |
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