CN216061577U

CN216061577U - Ventilation device for realizing different ventilation states of two lungs

Info

Publication number: CN216061577U
Application number: CN202121102289.XU
Authority: CN
Inventors: 许仄平; 顾连兵; 王丽君
Original assignee: Jiangsu Cancer Hospital
Current assignee: Jiangsu Cancer Hospital
Priority date: 2021-05-21
Filing date: 2021-05-21
Publication date: 2022-03-18
Anticipated expiration: 2031-05-21

Abstract

The utility model provides a ventilation device for realizing different ventilation states of two lungs, which belongs to the technical field of medical instruments and comprises a main pipe, a double-cavity bronchial catheter, an air bag and an air bag inflation pipe, wherein the air bag is arranged on the outer side of the double-cavity bronchial catheter, the air bag is connected with the air bag inflation pipe, the air bag inflation pipe is used for realizing inflation or exhaust of the air bag, the ventilation device further comprises a three-cavity ventilation pipe and a connector, one end of the three-cavity ventilation pipe is connected with the main pipe, the other end of the three-cavity ventilation pipe is connected with the double-cavity bronchial catheter through the connector, the three-cavity ventilation pipe comprises a second catheter, and a timing valve is arranged on the second catheter. The ventilation device can control ventilation of the two lungs according to different tidal volumes, frequencies and pressures, effectively ensures that the operative lung operation can keep a smaller respiratory state relative to the non-operative lung operation, and the operative lung operation is fully expanded after the operation so as to reduce postoperative pulmonary complications.

Description

Ventilation device for realizing different ventilation states of two lungs

Technical Field

The utility model belongs to the technical field of medical instruments, and particularly relates to a ventilation device for realizing different ventilation states of two lungs.

Background

At present, in thoracic surgery, a unilung ventilation technique is generally adopted, that is, a lung on a non-operation side is ventilated, and a lung on an operation side is not ventilated, so that the lung on the operation side is in a collapse state.

SUMMERY OF THE UTILITY MODEL

In view of the above, the present invention is directed to a ventilation device capable of reducing postoperative pulmonary complications and achieving different ventilation states of both lungs.

In order to achieve the purpose, the technical scheme of the utility model is realized as follows: realize different ventilation state's of both sides lung ventilation device, including being responsible for, two-chamber endotracheal tube, gasbag and gasbag gas tube, the outside of two-chamber endotracheal tube is provided with the gasbag, the gasbag is connected with the gasbag gas tube, the gasbag gas tube is used for realizing the aerifing or the exhaust of gasbag, ventilation device still includes three chamber breather pipes and connects, three chamber breather pipe one end with be responsible for and connect, the other end passes through connect with two-chamber endotracheal tube connects, three chamber breather pipes include the second pipe, be provided with timing valve on the second pipe.

Further, three chamber breather pipes include full air-permeable pipe, first pipe, second pipe, pressure limiting valve, relief pressure valve and exhale the pipe, the one end of full air-permeable pipe, first pipe and second pipe is merged into a pipe, simultaneously, the other end of full air-permeable pipe with the articulate, the other end of first pipe and second pipe is merged into a pipe then with the articulate, the pressure limiting valve sets up on the first pipe, the relief pressure valve sets up on the second pipe, exhale the pipe setting and be in the second pipe is close to one side of joint, just exhale the pipe with the lumen of second pipe communicates with each other, be provided with the check valve that has timing function on the exhale pipe.

Furthermore, pressure gauges are respectively arranged on the pressure reducing valve and the pressure limiting valve.

Further, a timing valve arranged on the second conduit is arranged between the pressure reducing valve and the main pipe.

Furthermore, the joint comprises a connecting block and two connecting through holes, wherein the two connecting through holes are arranged in the connecting block, one end of each connecting through hole is used for connecting the full-ventilation catheter, the other end of each connecting through hole is used for connecting the double-cavity bronchial catheter, the other end of each connecting through hole is used for connecting the merging end of the first catheter and the merging end of the second catheter, and the other end of each connecting through hole is used for connecting the double-cavity bronchial catheter.

Furthermore, a bronchus cuff is arranged on the outer side of the tail end of the double-cavity bronchus catheter, the bronchus cuff is connected with a cuff inflation tube, and the cuff inflation tube is used for inflating or exhausting the bronchus cuff.

Compared with the prior art, the ventilation device for realizing different ventilation states of the two lungs has the following advantages: the ventilation device disclosed by the utility model controls ventilation of the two lungs with different tidal volumes, frequencies and pressures, so that the respiratory state of the lung on the operative side can be kept relatively smaller than that of the lung on the non-operative side in the lung operation, and the lung is fully expanded after the operation, so that postoperative pulmonary complications are reduced.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a schematic structural diagram of an embodiment of an aerator apparatus according to the present invention;

FIG. 2 is a schematic structural diagram of a three-chamber vent pipe according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a joint according to an embodiment of the present invention.

Description of reference numerals:

1. a main pipe; 2. a three-cavity vent pipe; 3. a joint; 4. a dual lumen bronchial catheter; 5. an air bag; 6. an air bag inflation tube; 7. a full-venting conduit; 8. a first conduit; 9. a second conduit; 10. a pressure limiting valve; 11. a pressure reducing valve; 12. connecting blocks; 13. a connecting through hole; 14. a bronchial cuff; 15. A cuff inflation tube; 16. an expiratory conduit.

Detailed Description

It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

As shown in fig. 1-3, the ventilation device of the present invention for realizing different ventilation states of two lungs comprises a main tube 1, a dual-cavity bronchial tube 4, an air bag 5 and an air bag inflation tube 6, wherein the air bag 5 is arranged outside the dual-cavity bronchial tube 4, the air bag 5 is connected to the air bag inflation tube 6, the air bag inflation tube 6 is used for realizing inflation or exhaust of the air bag 5, the ventilation device further comprises a three-cavity ventilation tube 2 and a connector 3, one end of the three-cavity ventilation tube 2 is connected to the main tube 1, the other end of the three-cavity ventilation tube is connected to the dual-cavity bronchial tube 4 through the connector 3, one end of the main tube 1 far away from the three-cavity ventilation tube 2 is connected to a ventilator, and the ventilator is in the prior art.

The three-cavity vent pipe 2 comprises a full-vent pipe 7, a first pipe 8, a second pipe 9, a pressure limiting valve 10, a pressure reducing valve 11 and an expiration pipe 16, one end of the full-vent pipe 7, one end of the first pipe 8 and one end of the second pipe 9 are combined into one pipe, meanwhile, the other end of the full-vent pipe 7 is connected with the joint 3, the other end of the first pipe 8 and the other end of the second pipe 9 are combined into one pipe and then connected with the joint 3, the pressure reducing valve 11 is arranged on the second pipe 9, the pressure of the gas fed by the respirator can be reduced through the pressure reducing valve 11, the pressure of the second pipe 9 on the operation side is kept constant, the pressure can be adjusted according to actual conditions, and the gas higher than a pressure set value cannot enter the lungs on the operation side, for example: the pressure reducing valve 11 can be adjusted to only pass 10cmH₂Gas of O pressure, ventilator given 30cmH₂O gas, the lung at the operation side is only 10cmH₂The gas with O pressure is used for ventilation with small tidal volume, thereby facilitating the operation of a doctor, and the lung on the other side is normal 30cmH₂The gas of O is mechanically aerated. The pressure limiting valve 10 is arranged atOn the first conduit 8, after the operation is finished, the operation side lung needs to keep a certain expansion degree of the alveolus at the end of expiration, the pressure limiting valve 10 can maintain the pressure in the operation side lung at a certain value, and the gas smaller than the pressure value is not discharged, so that the alveolus at the operation side keeps an open state with at least certain pressure, such as: after the operation is finished, the pressure limiting valve 10 is adjusted to maintain 10cmH₂Gas under O pressure, the operative lung always has 10H₂O pressure gas, which keeps the alveoli collapsed due to small tidal volume in the operation fully expanded after the operation and reduces the occurrence of postoperative pulmonary complications, wherein the expiratory conduit 16 is arranged at one side of the second conduit 9 close to the joint 3, the expiratory conduit 16 is communicated with the lumen of the second conduit 9, and a one-way valve with a timing function is arranged on the expiratory conduit 16 and is used for ensuring that the expiratory conduit 16 can normally exhaust outwards during the expiration.

Pressure gauges are respectively arranged on the pressure reducing valve 11 and the pressure limiting valve 10, so that an operator can conveniently and visually read the set pressure value of the pressure reducing valve 11 or the pressure limiting valve 10.

Be provided with the timing valve on the second pipe 9, simultaneously the timing valve that sets up on the second pipe 9 is installed relief pressure valve 11 with be responsible for between 1, the timing valve can control the second pipe 9 ventilate or close the gas time, and the operator adjusts the timing valve according to actual need to realize the different frequency of ventilating of operation side lung and non-operation side lung, the timing valve is linked with the breathing machine, thereby realizes better breathing rhythm unified control.

The joint 3 comprises a connecting block 12 and two connecting through holes 13, wherein the connecting through holes 13 are arranged in the connecting block 12, one end of one of the connecting through holes 13 is used for connecting the full-ventilation catheter 7, the other end of the connecting through hole is used for connecting the double-cavity bronchial catheter 4, the other end of the other connecting through hole 13 is used for connecting the merging end of the first catheter 8 and the second catheter 9, and the other end of the connecting through hole 13 is used for connecting the double-cavity bronchial catheter 4.

The outer side of the tail end of the double-cavity bronchial catheter 4 is provided with a bronchial cuff 14, the bronchial cuff 14 is connected with a cuff inflating tube 15, and the cuff inflating tube 15 is used for inflating or exhausting the bronchial cuff 14.

The presence of the balloon 5 and the bronchial cuff 14 serves to secure the ventilation device in position and prevent air leakage during lung ventilation.

In the actual work process, at first place into patient's trachea with two-chamber endotracheal tube 4 through patient's mouth, and inflate through gasbag 5 and bronchus cuff 14 and fix it in corresponding position, be connected person in charge 1 with the breathing machine, close pressure limiting valve 10, open relief pressure valve 11 and set for the pressure value that the operation needs, open timing valve simultaneously and set for the frequency of ventilating, can carry out the operation, after the operation, close relief pressure valve 11 and timing valve, set for pressure limiting valve 10 pressure and open pressure limiting valve 10 can, so that let the less lung postoperative of ventilating in the operation fully expand.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. A ventilation device for realizing different ventilation states of the lungs on both sides, comprising a main pipe (1), a double-lumen bronchial catheter (4), a balloon (5) and a balloon inflation tube (6), the outer side of the double-lumen bronchial catheter (4) The airbag (5) is provided, the airbag (5) is connected with the airbag inflation tube (6), and the airbag inflation tube (6) is used to inflate or exhaust the airbag (5). It is characterized in that: the ventilation device further comprises a three-cavity ventilation pipe (2) and a joint (3), one end of the three-cavity ventilation pipe (2) is connected with the main pipe (1), and the other end is connected through the joint (3) Connected to the double-lumen bronchial catheter (4), the three-lumen ventilation pipe (2) includes a second catheter (9), and a timing valve is provided on the second catheter (9).

2. The ventilation device for realizing different ventilation states of the lungs on both sides according to claim 1, wherein the three-chamber ventilation tube (2) comprises a full ventilation conduit (7), a first conduit (8), a second A conduit (9), a pressure limiting valve (10), a pressure reducing valve (11) and an expiratory conduit (16), one end of the full ventilation conduit (7), the first conduit (8) and the second conduit (9) Combined into one conduit, at the same time, the other end of the full ventilation conduit (7) is connected to the joint (3), and the other ends of the first conduit (8) and the second conduit (9) are combined into one The conduit is then connected to the joint (3), the pressure limiting valve (10) is arranged on the first conduit (8) and the pressure reducing valve (11) is arranged on the second conduit (9) On the other hand, the expiratory conduit (16) is arranged on the side of the second conduit (9) close to the joint (3), and the expiratory conduit (16) is connected to the second conduit (9). The lumens communicate with each other, and a one-way valve with a timing function is arranged on the exhalation conduit (16).

3 . The ventilation device for realizing different ventilation states of the lungs on both sides according to claim 2 , wherein the pressure reducing valve ( 11 ) and the pressure limiting valve ( 10 ) are respectively provided with pressure gauges. 4 .

4. The ventilation device for realizing different ventilation states of lungs on both sides according to claim 2, wherein the timing valve provided on the second conduit (9) is installed on the pressure reducing valve (11) and the between supervisors (1).

5. The ventilation device for realizing different ventilation states of the lungs on both sides according to claim 2, wherein the joint (3) comprises a connecting block (12) and a connecting through hole (13), and the connecting block (12) ) is provided with two connecting through holes (13), one of the connecting through holes (13), one end is used to connect the full ventilation catheter (7), the other end is used to connect the double lumen bronchial catheter (4), the other connecting through hole (13), one end is used to connect the combined end of the first catheter (8) and the second catheter (9), and the other end is used to connect the double lumen bronchial catheter ( 4).

6. The ventilation device for realizing different ventilation states of lungs on both sides according to claim 1, characterized in that: a bronchial cuff (14) is provided on the outer side of the end of the double-lumen bronchial catheter (4), and the bronchial cuff is provided with a bronchial cuff (14). (14) A cuff inflation tube (15) is connected, and the cuff inflation tube (15) is used to inflate or deflate the bronchial cuff (14).