CN217366836U

CN217366836U - Medical auxiliary respiratory tube and breathing device using same

Info

Publication number: CN217366836U
Application number: CN202220575091.1U
Authority: CN
Inventors: 于汉昌; 廖彬; 彭琳; 潘静; 李颖; 肖盼盼; 肖武; 陈忠清
Original assignee: Hunan Medical Technology Co ltd
Current assignee: Hunan Medical Technology Co ltd
Priority date: 2022-03-16
Filing date: 2022-03-16
Publication date: 2022-09-06
Anticipated expiration: 2032-03-16

Abstract

The utility model discloses a medical supplementary respiratory tube and use its respiratory device is applied to the medical instrument field, include: the connector assembly is provided with a first interface, a second interface, a third interface and a fourth interface which are coaxial and are arranged oppositely, and the second interface is connected with a sealing cap; the breathing connecting pipe is connected to the first interface and is used for connecting the respiratory tract of the patient; one end of the air suction pipe is connected to the third connector, the other end of the air suction pipe is provided with a filtering device, and a first one-way valve is arranged in the air suction pipe; one end of the exhaust pipe is connected to the fourth connector, and a second one-way valve is arranged in the exhaust pipe; the utility model discloses a medical supplementary respiratory tube and use its respiratory device can the germ in the filtered air, avoids the patient to infect, is convenient for clear up the thick phlegm of breathing in the connecting pipe simultaneously.

Description

Medical auxiliary respiratory tube and breathing device using same

Technical Field

The utility model relates to the technical field of medical equipment, in particular to medical supplementary respiratory tube and use its respiratory device.

Background

Patients with compromised airways or dyspnea typically require intubation to assist breathing and, when the patient recovers to a certain extent, assistance from a ventilator is required. If the patient breathes air directly through the cannula at this time, the patient is easy to be infected, thick phlegm can be generated during breathing, and blockage can occur easily. At the same time, the patient, when exhaling, can carry along various microorganisms, which also form a source of contamination.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a medical supplementary respiratory tube can avoid the patient to infect by the germ in the filtered air, is convenient for clear up the thick phlegm of breathing in the connecting pipe simultaneously, can also reduce expired gas's secondary pollution.

The utility model discloses still provide a medical assisted respiration device.

According to the utility model discloses medical supplementary respiratory tube of first aspect embodiment, include: the connector assembly is provided with a first interface, a second interface, a third interface and a fourth interface which are coaxial and are arranged oppositely, and the second interface is connected with a sealing cap;

the breathing connecting pipe is connected to the first interface and is used for connecting the respiratory tract of the patient;

one end of the air suction pipe is connected to the third connector, the other end of the air suction pipe is provided with a filtering device, and a first one-way valve which is communicated towards the direction close to the joint assembly is arranged in the air suction pipe;

one end of the exhaust pipe is connected to the fourth interface, and a second one-way valve which is conducted in the direction away from the joint assembly is arranged in the exhaust pipe.

According to the utility model discloses medical supplementary respiratory tube has following technological effect at least: the breathing connecting pipe can be communicated with the respiratory tract of a patient to realize auxiliary breathing; the first interface and the second interface are coaxial and are arranged oppositely, so that the sputum suction pipe can be conveniently inserted into the breathing connection pipe from the second interface to suck thick sputum; the first one-way valve and the second one-way valve are used for controlling the airflow direction of the patient during breathing so as to ensure that gas enters the patient from the air suction pipe and is discharged from the air discharge pipe; the filter device is used for filtering micro-dust and pathogenic bacteria in the air, and avoiding infection of patients.

In some embodiments of the utility model, still include and filter the piece, filter the piece and can filter the germ in the air, filter piece detachably and install the end of giving vent to anger of blast pipe.

According to the utility model discloses medical assisted respiration device of second aspect embodiment includes: foretell medical supplementary respiratory tube and apparatus of oxygen supply and exhale the filter, exhale the filter setting and put the end and communicate at giving vent to anger of blast pipe, the apparatus of oxygen supply communicates with the breathing pipe.

According to the utility model discloses medical auxiliary respiratory device has following technological effect at least: can the splendid attire be used for sterile liquid in the expiration filter, disinfect the gas of patient exhalation, provide pressure through liquid simultaneously, resistance when simulating out expired gas avoids patient's alveolus to pass through the contraction.

The utility model discloses an in some embodiments, expiration filter includes bottle and bottle lid, be equipped with connecting hole and a plurality of bleeder vent on the bottle lid, the blast pipe cartridge is in the connecting hole, and can follow the axis direction removal of bottle is adjusted.

In some embodiments of the present invention, the gas outlet end of the exhaust pipe is connected with a bucket-shaped pipe, the bucket-shaped pipe is located inside the bottle body, the cross-sectional area of the bucket-shaped pipe is gradually increased along the gas flowing direction, the gas outlet of the bucket-shaped pipe is provided with a baffle, and a plurality of through holes are formed in the baffle.

The utility model discloses an in some embodiments, be equipped with the sputum storage tank on the blast pipe, the apparatus of oxygen supply is including oxygen supply pipe and the bag of keeping in, the one end of oxygen supply pipe with the bag of keeping in is connected, and the other end is used for logical oxygen, the bag of keeping in is used for saving oxygen, the bag of keeping in with the breathing pipe intercommunication.

In some embodiments of the present invention, the temporary storage bag is close to one end of the joint assembly, and the wall thickness of the temporary storage bag is greater than that of the joint assembly.

In some embodiments of the utility model, be equipped with the sputum storage tank on the blast pipe, the sputum storage tank is located between second check valve and the joint Assembly, just the sputum storage tank is placed downwards vertically.

In some embodiments of the present invention, a ball joint is disposed on the exhaust pipe, the ball joint is located between the second one-way valve and the joint component, and the sputum storage tank is vertically connected to the ball joint.

In some embodiments of the present invention, an air bag is disposed between the second one-way valve and the joint component, the air bag is communicated with the exhaust pipe, and a second regulating valve is disposed at the communication position.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic structural diagram of a first embodiment of the present invention;

fig. 2 is a schematic structural diagram of a second embodiment of the present invention;

fig. 3 is a schematic view of an exhalation filter and a funnel structure according to an embodiment of the present invention.

Reference numerals:

the connector assembly 100, the first interface 110, the second interface 120, the sealing cap 121, the third interface 130, and the fourth interface 140;

the device comprises a breathing connecting pipe 200, an air suction pipe 300, a filtering device 310, a first regulating valve 311, a first one-way valve 320, an oxygen supply pipe 330, a temporary storage bag 340 and a reserved interface 350;

the air exhaust tube 400, the second one-way valve 410, the sputum storage tank 420, the ball joint 430, the air bag 440, the second regulating valve 441, the exhalation filter 450, the bottle body 451, the bottle cap 452, the bucket 460 and the pressure gauge 470.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

Referring to fig. 1, a medical auxiliary respiratory tube according to an embodiment of the first aspect of the present invention includes: the connector assembly 100 is provided with a first interface 110 and a second interface 120 which are coaxial and are arranged oppositely, and a third interface 130 and a fourth interface 140, wherein the second interface 120 is connected with a sealing cap 121;

a breathing connection 200, wherein the breathing connection 200 is connected to the first interface 110 and is used for connecting the respiratory tract of the patient;

an air suction pipe 300, one end of the air suction pipe 300 is connected to the third connector 130, the other end is provided with a filtering device 310, and the air suction pipe 300 is internally provided with a first one-way valve 320 which is conducted towards the direction close to the connector assembly 100;

one end of the exhaust pipe 400 is connected to the fourth port 140, and a second check valve 410 that is conducted in a direction away from the connector assembly 100 is disposed in the exhaust pipe 400.

The breathing connecting pipe 200 can be communicated with the respiratory tract of a patient to realize auxiliary breathing; the first interface 110 and the second interface 120 are coaxial and arranged oppositely, so that a sputum suction tube can be conveniently inserted into the breathing connection tube 200 from the second interface 120 to suck thick sputum of a patient, the sputum suction tube can be inserted only by opening the sealing cap 121 when the thick sputum is sucked, and the third interface 130 and the fourth interface 140 can be arranged coaxially or not coaxially; the first check valve 320 and the second check valve 410 are used for controlling the airflow direction when the patient breathes, so that the gas can enter the patient from the air suction pipe 300 and be discharged from the air discharge pipe 400; the filter device 310 is used for filtering the air from dust and germs to prevent the infection of the patient. The medical auxiliary respiratory tube has compact integral structure and is convenient for a patient to get out of bed to walk.

In addition, a connection structure can be further arranged on the sealing cap 121 and can be connected with the closed sputum suction tube, for example, the connection structure is connected with a protective sleeve of the sputum suction tube, so that the sputum suction tube can be directly introduced into the second interface 120, and the sputum suction tube is protected from external infection.

In some embodiments of the present invention, the air filter further comprises a filtering member, the filtering member can filter germs in the air, and the filtering member is detachably mounted at the air outlet end of the exhaust pipe 400.

The filtering piece can be quickly installed at the air outlet end of the exhaust pipe 400, and can filter the gas exhaled by the patient, so that secondary environmental pollution caused by the gas exhaled by the patient is avoided.

Referring to fig. 2, a medical assisted breathing apparatus according to an embodiment of the second aspect of the present invention includes: the breathing tube 450 is disposed at the outlet end of the exhaust tube 400 and is connected to the oxygen supply device, which is connected to the inhalation tube 300.

The exhalation filter 450 is used for filtering and sterilizing the gas exhaled by the patient, so as to prevent germs from being diffused in the air and reduce secondary pollution. The exhalation filter 450 may also be used to appropriately adjust the pressure of the patient's exhaled air to simulate respiratory expiratory resistance, avoiding excessive contraction of the patient's alveoli. The oxygen supply apparatus may provide oxygen to regulate the proportion of oxygen inhaled by the patient during inspiration by controlling the flow of oxygen. Of course, the oxygen supply apparatus may also be controlled to stop the supply of oxygen.

In some embodiments of the present invention, the exhalation filter 450 includes a bottle body 451 and a bottle cap 452, a connection hole and a plurality of ventilation holes are formed on the bottle cap 452, and the exhaust pipe 400 is inserted into the connection hole and can be moved and adjusted along the axis direction of the bottle body 451.

Wherein the bottle body 451 can contain liquid for disinfection, the exhaust tube 400 is inserted into the connecting hole and moves and adjusts along the axial direction of the bottle body 451, and the air outlet of the exhaust tube 400 is immersed into the liquid contained in the bottle body 451. Preferably, the outer wall of the body 451 is provided with a scale so as to intuitively adjust the depth of the air outlet of the exhaust tube 400 inserted into the liquid surface to adjust the expiratory pressure or resistance.

Referring to fig. 3, in some embodiments of the present invention, a funnel 460 is connected to the air outlet end of the exhaust pipe 400, the funnel 460 is located inside the bottle body 451, the cross-sectional area of the funnel 460 increases gradually along the air flowing direction, a baffle is disposed at the air outlet of the funnel 460, and a plurality of holes are disposed on the baffle.

The cross section area of the hopper-shaped pipe 460 is gradually increased along the airflow direction, and the gas exhaled by the patient is refined into a plurality of small bubbles through the baffle plate with the through holes, so that the contact area of the gas and the liquid for disinfection is increased, and the disinfection and sterilization effect is improved.

In some embodiments of the present invention, the exhaust pipe 400 is connected with a pressure gauge 470.

The pressure gauge 470 connected to the exhaust tube 400 can measure the pressure inside the exhaust tube 400 when the patient exhales, so as to facilitate the control and adjustment of the pressure or resistance of the exhaled air of the patient to simulate a suitable exhalation resistance.

In some embodiments of the utility model, the oxygen supply device includes oxygen supply pipe 330 and bag 340 of keeping in, and the one end of oxygen supply pipe 330 is connected with bag 340 of keeping in, and the other end is used for leading to oxygen, and bag 340 of keeping in is used for saving oxygen, and bag 340 of keeping in communicates with breathing pipe 300.

When the patient needs a high oxygen content and cannot rely solely on oxygen in the air, oxygen may be supplied to the inhalation tube 300 through the oxygen supply tube 330. Because the general pipe diameter of oxygen supply pipe 330 is less, when the patient breathes in, its flow is great in the twinkling of an eye, sets up on oxygen supply pipe 330 and keeps in behind bag 340, has improved oxygen capacity, guarantees that the patient breathes in and can inhale the oxygen of sufficient, satisfies required oxygen content.

In some embodiments of the present invention, the temporary storage bag 340 is closer to the end of the connector assembly 100 and has a wall thickness greater than the wall thickness of the temporary storage bag 340 at the end away from the connector assembly 100.

During inhalation, the direction of flow is toward the connector assembly 100 and the wall thickness of the temporary storage bag 340 near the end of the connector assembly 100 is greater than the wall thickness of the temporary storage bag 340 at the end remote from the connector assembly 100. The one end that the bag 340 wall thickness is little of keeping in can contract earlier, can guarantee that the patient when breathing in, and bag 340 of keeping in contracts according to the air current direction, avoids keeping in the gas outlet of bag 340 and is blocked by the bag wall of shrink deformation.

In some embodiments of the present invention, a first regulating valve 311 is disposed between the filtering device 310 and the air suction pipe 300.

The first regulating valve 311 can regulate and control the air flow passing through the filtering device 310 into the air suction pipe 300, thereby controlling the ratio of air and oxygen, scientifically regulating the ratio of the air sucked by the patient and helping the rehabilitation of the patient.

In some embodiments of the present invention, the exhaust pipe 400 is provided with a sputum storage tank 420, the sputum storage tank 420 is located between the second one-way valve 410 and the joint assembly 100, and the sputum storage tank 420 is vertically placed downwards.

When the patient exhales, if the sputum is more dilute, the airflow enters the exhaust pipe 400 through the breathing connection pipe 200, and if the sputum is not collected, the second one-way valve 410 or the pipeline is blocked, so that the patient exhales difficultly. Be equipped with storage phlegm jar 420 on blast pipe 400, the sputum can receive the action of gravity and enter into storage phlegm jar 420 and keep in, avoids blockking up.

In some embodiments of the present invention, the exhaust pipe 400 is provided with a ball joint 430, the ball joint 430 is located between the second check valve 410 and the joint assembly 100, and the sputum storage tank 420 is vertically connected to the ball joint 430.

The inside of ball joint 430 becomes the arc, can be fine collect the sputum in blast pipe 400, improves the collection efficiency of sputum. When the sputum passes through the ball joint 430, the sputum moves to the lowest end of the ball joint 430 under the action of gravity and cannot overflow again, so that the sputum can smoothly enter the sputum storage tank 420 connected with the ball joint 430.

In some embodiments of the present invention, an air bag 440 is disposed between the second check valve 410 and the joint assembly 100, the air bag 440 is communicated with the exhaust pipe 400, and a second regulating valve 441 is disposed at the communication position.

The air bag 440 can store the exhaled gas of the patient, which contains high content of carbon dioxide, and when the content of carbon dioxide in the inhaled gas of the patient is low, the carbon dioxide needs to be fed back through the air bag 440 for supplement. During the respiration process, a certain amount of carbon dioxide is needed to stimulate the respiratory center to maintain the respiratory action of the patient.

In some embodiments of the present invention, the air suction pipe 300 is further provided with a reserved connector 350, and the reserved connector 350 is disposed on one side of the air inlet of the first check valve 320.

The reserved interface 350 can be connected to other devices to provide additional medical assistance to the patient's breath, such as access to a drug delivery mechanism.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A medical assisted breathing tube, comprising:

the connector assembly (100) is provided with a first connector (110) and a second connector (120) which are coaxial and are oppositely arranged, and a third connector (130) and a fourth connector (140), wherein a sealing cap (121) is connected to the second connector (120);

a breathing connection (200), the breathing connection (200) being connected to the first interface (110) for connection to the patient's respiratory tract;

one end of the air suction pipe (300) is connected to the third connector (130), the other end of the air suction pipe (300) is provided with a filtering device (310), and a first one-way valve (320) which is communicated towards the direction close to the connector assembly (100) is arranged in the air suction pipe (300);

one end of the exhaust pipe (400) is connected to the fourth interface (140), and a second one-way valve (410) which is conducted in the direction far away from the joint assembly (100) is arranged in the exhaust pipe (400).

2. The medical assisted breathing tube according to claim 1, further comprising a filter capable of filtering germs in the air, the filter being detachably mounted to the air outlet end of the air outlet tube (400).

3. A medical assisted breathing apparatus, comprising the medical assisted breathing tube of any one of claims 1 to 2, and an oxygen supply apparatus and an expiratory filter (450), the expiratory filter (450) being disposed at an outlet end of the exhaust tube (400) and communicating therewith, the oxygen supply apparatus communicating with the inspiratory tube (300).

4. The medical auxiliary breathing apparatus according to claim 3, wherein the exhalation filter (450) comprises a bottle body (451) and a bottle cap (452), the bottle cap (452) is provided with a connecting hole and a plurality of ventilation holes, and the exhaust pipe (400) is inserted into the connecting hole and can be movably adjusted along the axial direction of the bottle body (451).

5. The medical auxiliary breathing device according to claim 4, wherein a funnel-shaped tube (460) is connected to the air outlet end of the exhaust tube (400), the funnel-shaped tube (460) is located inside the bottle body (451), the cross section area of the funnel-shaped tube (460) is gradually increased along the air flowing direction, a baffle is arranged at the air outlet of the funnel-shaped tube (460), and a plurality of through holes are formed in the baffle.

6. The medical assisted respiration device of claim 3, wherein the oxygen supply device comprises an oxygen supply tube (330) and a temporary storage bag (340), one end of the oxygen supply tube (330) is connected to the temporary storage bag (340), the other end is used for supplying oxygen, the temporary storage bag (340) is used for storing oxygen, and the temporary storage bag (340) is communicated with the inhalation tube (300).

7. The medical assisted breathing device according to claim 6, characterized in that the wall thickness of the temporary storage bag (340) near the end of the connector assembly (100) is greater than the wall thickness of the temporary storage bag (340) at the end remote from the connector assembly (100).

8. The medical assisted breathing device according to claim 3, wherein a sputum storage tank (420) is arranged on the exhaust tube (400), the sputum storage tank (420) is located between the second one-way valve (410) and the connector assembly (100), and the sputum storage tank (420) is placed vertically downwards.

9. The medical assisted breathing device according to claim 8, wherein a ball joint (430) is provided on the exhaust tube (400), the ball joint (430) is located between the second one-way valve (410) and the joint assembly (100), and the sputum storage tank (420) is vertically connected to the ball joint (430) downwards.

10. The medical assisted breathing device according to claim 3, characterized in that a gas bag (440) is arranged between the second one-way valve (410) and the joint component (100), the gas bag (440) is communicated with the exhaust pipe (400), and a second regulating valve (441) is arranged at the communication position.