CN115738017A

CN115738017A - Breathing machine pipeline structure and breathing machine with sputum suction function

Info

Publication number: CN115738017A
Application number: CN202211105928.7A
Authority: CN
Inventors: 樊巍
Original assignee: First Affiliated Hospital of Army Medical University
Current assignee: First Affiliated Hospital of Army Medical University
Priority date: 2022-09-07
Filing date: 2022-09-07
Publication date: 2023-03-07

Abstract

The invention relates to the technical field of medical apparatus, in particular to a breathing machine pipeline structure and a breathing machine with a sputum suction function, wherein the breathing machine pipeline structure comprises: the trachea cannula structure is used for being connected with a respirator body and comprises an air inlet pipe, an air outlet pipe and an extension pipe, one end of the extension pipe is used for being matched with a human body, and one end of the air inlet pipe and one end of the air outlet pipe are communicated with the other end of the extension pipe at the same time; the air inlet pipe and the extension pipe form an air suction flow passage, and a one-way flow limiting structure is further arranged at the end part of the air inlet pipe connected with the extension pipe; still including inhaling the phlegm pipe, the one end of inhaling the phlegm pipe is used for being connected with the sputum aspirator, the other end of inhaling the phlegm pipe is used for mutually supporting with the human body, realizes inhaling the phlegm, through structural design, can inhale the phlegm in the use of breathing machine, need not to make the breathing machine shut down the operation, can guarantee patient's security.

Description

Breathing machine pipeline structure and breathing machine with sputum suction function

Technical Field

The invention relates to the technical field of medical instruments, in particular to a breathing machine pipeline structure and a breathing machine with a sputum suction function.

Background

The ventilator is an important device for manually replacing the autonomous ventilation function in clinic, is generally used for respiratory failure caused by various reasons, anesthesia trachea cannula management during major operations, respiratory support treatment and emergency resuscitation, and occupies a very important position in the modern medical field. Can play an important role in preventing and treating respiratory failure, reducing complications and saving and prolonging the life of a patient.

In the prior art, a common sputum suction mode is that medical personnel continuously disconnect the respirator from a tracheal catheter of a patient, and insert a sputum suction pipe into the tracheal catheter to suck sputum, which is dangerous for the part of patients without spontaneous breathing; in addition, the sputum suction tube is much thinner than the tracheal catheter, so that sputum is easy to be sprayed out of the tracheal catheter, and both doctors and patients are polluted.

In view of the above, the present application is hereby presented.

Disclosure of Invention

Aiming at the problem that the respirator needs to be disconnected for sputum suction in the using process of the respirator in the prior art, the invention provides a pipeline structure of the respirator, which can suck sputum in the using process of the respirator through the structural design without stopping the respirator, thereby ensuring the safety of a patient; on one hand, the invention also provides a respirator with a sputum suction function, and based on the respirator pipeline structure, the sputum suction operation can be completed in the using process of the respirator, so that the safety of a patient is ensured.

The embodiment of the invention is realized by the following technical scheme:

first aspect

The invention provides a breathing machine pipeline structure, comprising: the trachea cannula structure is used for being connected with a main body of a respirator, and comprises an air inlet pipe, an air outlet pipe and an extension pipe, wherein one end of the extension pipe is used for being matched with a human body, and one end of the air inlet pipe and one end of the air outlet pipe are communicated with the other end of the extension pipe at the same time; the air inlet pipe and the extension pipe form an air suction flow passage, and a one-way flow limiting structure is further arranged at the end part of the air inlet pipe connected with the extension pipe; the sputum suction device is characterized by further comprising a sputum suction pipe, one end of the sputum suction pipe is connected with the sputum suction device, and the other end of the sputum suction pipe is matched with a human body to achieve sputum suction.

In this scheme, breathing machine management structure includes trachea cannula structure and inhales the phlegm pipe, trachea cannula structure and inhale the phlegm pipe mutual independence, both do not influence each other, just trachea cannula structure includes intake pipe, outlet duct and extension pipe, wherein, the extension pipe is used for mutually supporting with the human body, inserts and realizes breathing in the human body, just the other end of extension pipe simultaneously with the intake pipe and the outlet duct intercommunication forms the branching structure, wherein the extension pipe with the intake pipe is mutually supported and is constituteed the runner of breathing in, the extension pipe with the expiration runner is constituteed to the outlet duct mutually supported, and is using, will the free end of extension pipe and inhale the phlegm pipe and insert simultaneously in the trachea, because both are mutually independent, can not cause the mutual influence in the use, and the intake pipe with the tip that the extension union coupling still is provided with one-way current-limiting structure, through this structural design, can avoid the sputum to enter into the breathing machine through extension pipe, the normal work that influences the breathing machine, can realize inhaling the phlegm in the during operation, need not break off the breathing machine to guarantee patient's security through the design of this structural design of this breathing pipe.

Furthermore, one-way current-limiting structure is a Tesla valve structure, and one-way current-limiting structure has an inlet end and an outlet end, the inlet end is used for being connected with a respirator, the outlet end with the extension pipe is connected, and when the fluid the inlet end flows to when the outlet end, fluid acceleration can be realized.

Furthermore, the one-way flow limiting structure is also provided with a baffle piece, the baffle piece is provided with a blocking surface, and the blocking surface is vertically arranged relative to the axis of the outlet end.

Furthermore, the air outlet pipe is also provided with a liquid storage tank, the air outlet pipe comprises a first pipe section and a second pipe section, the liquid storage tank is provided with a first opening and a second opening, one end of the first pipe section is connected with the extension pipe, and the other end of the first pipe section is matched with the first opening; one end of the second pipeline is matched with the second opening, and the other end of the second pipeline is used for being connected with a breathing machine.

Further, the first opening and the second opening are both arranged at the top of the liquid storage tank.

Further, the liquid storage tank is also provided with an overflow structure, and the overflow structure comprises a first pipeline, a second pipeline and a third pipeline which are connected in sequence; one end of the first pipeline is located in the liquid storage tank and is arranged at an interval relative to the bottom of the liquid storage tank, the other end of the first pipeline is connected with one end of the second pipeline, the other end of the second pipeline is connected with one end of the third pipeline, and the other end of the third pipeline is arranged outside the liquid storage tank.

Furthermore, a through hole matched with the overflow structure is further formed in the side wall of the liquid storage tank, wherein a sealing ring is arranged in the through hole and used for being matched with the outer side wall of the overflow structure.

Furthermore, the connecting end of the second pipeline and the second opening is also provided with a water absorption mechanism, and the water absorption mechanism is detachably connected with the second pipeline.

Second aspect of the invention

The invention also provides a respirator with a sputum suction function, which comprises the respirator pipeline structure, a sputum aspirator and a respirator, wherein the respirator is connected with the trachea cannula structure, and the sputum aspirator is connected with the sputum suction pipe.

Compared with the prior art, the invention has the following advantages and beneficial effects:

the invention provides a pipeline structure of a breathing machine, which comprises a trachea cannula structure and a sputum suction pipe, wherein the trachea cannula structure and the sputum suction pipe are independent from each other and do not influence each other, the trachea cannula structure comprises an air inlet pipe, an air outlet pipe and an extension pipe, the extension pipe is used for being matched with a human body to be inserted into the human body to realize respiration, the other end of the extension pipe is communicated with the air inlet pipe and the air outlet pipe to form a branching structure, the extension pipe and the air inlet pipe are matched with each other to form an air suction flow channel, the extension pipe and the air outlet pipe are matched with each other to form an exhalation flow channel, when the breathing machine is used, the free end of the extension pipe and the sputum suction pipe are simultaneously inserted into a trachea, because the extension pipe and the sputum suction pipe are independent from each other, the interaction cannot be caused in the use process, the end part of the connection between the air inlet pipe and the extension pipe is also provided with a one-way flow limiting structure, the structural design can prevent sputum from entering the breathing machine through the extension pipe and the extension pipe, the normal work of the breathing machine can be realized, the breathing machine can be carried out without the disconnection of a patient, and the safe sputum suction machine can be ensured, thereby the sputum suction machine can be realized through the structural design of the breathing machine

The invention provides a respirator with a sputum suction function, which can complete sputum suction operation in the using process of the respirator and ensure the safety of patients based on the pipeline structure of the respirator.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and that for those skilled in the art, other relevant drawings can be obtained according to the drawings without inventive effort:

fig. 1 is a schematic structural diagram of an endotracheal intubation structure provided in an embodiment of the present invention;

FIG. 2 is a partially enlarged view of the area A;

FIG. 3 is a schematic structural view of an endotracheal intubation configuration according to another embodiment of the present invention;

fig. 4 is a schematic structural diagram of a ventilator according to another embodiment of the present invention.

Reference numbers and corresponding part names in the drawings:

100-trachea cannula structure, 110-air inlet pipe, 111-one-way flow limiting structure, 120-air outlet pipe, 121-first pipe section, 121-second pipe section, 130-extension pipe, 200-sputum suction pipe, 300-baffle piece, 400-liquid storage tank, 410-first pipe, 420-second pipe, 430-third pipe, 500-respirator and 600-sputum aspirator.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to examples and the accompanying drawings, and the exemplary embodiments and descriptions thereof are only used for explaining the present invention and are not used as limiting the present invention.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. However, it will be apparent to one of ordinary skill in the art that: it is not necessary to employ these specific details to practice the present invention. In other instances, well-known structures, circuits, materials, or methods have not been described in detail so as not to obscure the present invention.

Throughout the specification, reference to "one embodiment," "an embodiment," "one example," or "an example" means: the particular features, structures, or characteristics described in connection with the embodiment or example are included in at least one embodiment of the invention. Thus, the appearances of the phrases "one embodiment," "an embodiment," "one example" or "an example" in various places throughout this specification are not necessarily all referring to the same embodiment or example. Furthermore, the particular features, structures, or characteristics may be combined in any suitable combination and/or sub-combination in one or more embodiments or examples. Further, those of ordinary skill in the art will appreciate that the illustrations provided herein are for illustrative purposes and are not necessarily drawn to scale. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

In the description of the present invention, the terms "front", "rear", "left", "right", "upper", "lower", "vertical", "horizontal", "upper", "lower", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, merely for convenience of description and simplification of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore, should not be construed as limiting the scope of the invention.

Examples

As shown in fig. 1-3, the present invention provides a ventilator 500 circuit structure, comprising: the trachea cannula structure 100 is used for being connected with a main body of a respirator 500, the trachea cannula structure 100 comprises an air inlet pipe 110, an air outlet pipe 120 and an extension pipe 130, one end of the extension pipe 130 is used for being matched with a human body, and one end of the air inlet pipe 110 and one end of the air outlet pipe 120 are communicated with the other end of the extension pipe 130 at the same time; the air inlet pipe 110 and the extension pipe 130 form an air suction flow channel, and a one-way flow limiting structure 111 is further arranged at the end part of the air inlet pipe 110 connected with the extension pipe 130; the sputum aspirator comprises a sputum aspirator 200, wherein one end of the sputum aspirator 200 is connected with the sputum aspirator 600, and the other end of the sputum aspirator 200 is matched with a human body to realize sputum aspiration.

It should be noted that one end of the extension tube 130 is used for cooperating with a human body, and as those skilled in the art will know, the structure of the ventilator 500 is a mask type or a cannula type, so the specific structure corresponding to the end is not limited, and the function of the ventilator 500 can be realized.

Specifically, as one skilled in the art will appreciate, in order to achieve the function of the sputum aspirator 200, the sputum aspirator 200 should be extended into the airway of the patient for sputum aspiration.

Through the structural design of the one-way flow limiting structure 111, the liquid generated in the breathing process can be prevented from entering the breathing machine 500, and the use of the breathing machine 500 is prevented from being influenced.

In this scheme, the management structure of the ventilator 500 includes a trachea cannula structure 100 and a sputum suction tube 200, the trachea cannula structure 100 and the sputum suction tube 200 are independent from each other and do not affect each other, and the trachea cannula structure 100 includes an air inlet tube 110, an air outlet tube 120 and an extension tube 130, wherein the extension tube 130 is used for being matched with a human body to realize breathing when being inserted into the human body, and the other end of the extension tube 130 is communicated with the air inlet tube 110 and the air outlet tube 120 to form a branched structure, wherein the extension tube 130 is matched with the air inlet tube 110 to form an air suction flow channel, the extension tube 130 is matched with the air outlet tube 120 to form an exhalation flow channel, when in use, the free end of the extension tube 130 and the sputum suction tube 200 are simultaneously inserted into the trachea, because the free end and the air suction tube are independent from each other, no mutual influence is caused in the use process, and a one-way flow limiting structure 111 is further arranged at the end of the air inlet tube 110 connected with the extension tube 130, so that the respirator 500 can be operated without the problem that the respirator 500 is normally disconnected, thereby ensuring the safety of a patient.

In some embodiments, the one-way flow restriction structure 111 is a tesla valve structure, and the one-way flow restriction structure 111 has an inlet end for connecting with the ventilator 500 and an outlet end connected with the extension tube 130, so that when the fluid flows from the inlet end to the outlet end, the fluid can be accelerated.

It should be noted that the one-way flow-limiting structure 111 is a tesla valve structure, and as those skilled in the art will know, it is directed to the tesla valve structure, which has two opposite flow directions, wherein when the fluid in the tesla valve flows in the opposite direction, there is a certain effect of stopping the flow of the fluid; when the fluid in the Tesla valve circulates in the forward direction, the fluid can smoothly pass through the Tesla valve structure.

In the embodiment, by adopting the tesla valve structure as the one-way flow limiting structure 111, compared with the conventional one-way valve structure, the one-way flow limiting function is realized without rotating or controlling the valve plate of the valve, the service life of the pipeline structure can be greatly prolonged,

in some embodiments, the one-way flow restriction structure 111 is further provided with a barrier member 300, the barrier member 300 having a blocking surface which is arranged perpendicularly with respect to the axis of the outlet end.

It should be noted that, because the one-way flow limiting structure 111 adopts a tesla valve structure, when the tesla valve structure flows along the conducting flow direction, a certain acceleration effect exists on the fluid, and in order to reduce the influence of the too fast flow rate of the fluid on the structure of the pipeline and the use of the patient, the baffle member 300 is provided, so that the fluid can be effectively blocked.

In some embodiments, the outlet pipe 120 is further provided with a liquid storage tank 400, the outlet pipe 120 comprises a first pipe section 121 and a second pipe section 121, the liquid storage tank 400 is provided with a first opening and a second opening, one end of the first pipe section 121 is connected with the extension pipe 130, and the other end of the first pipe section 121 is matched with the first opening; one end of the second pipe 420 is matched with the second opening, and the other end is used for connecting with the respirator 500.

Specifically, through deposit fluid reservoir 400 can effectually avoid the influence that the precipitation of breathing in-process liquid caused respirator 500, and can avoid the sputum to pass through outlet duct 120 enters into respirator 500.

In some embodiments, the first opening and the second opening are both disposed at the top of the liquid storage tank 400.

It should be noted that, the first pipe segment 121 is connected to the extension pipe 130, and the second pipe segment 121 is connected to the ventilator 500, so that in order to prevent liquid from entering the ventilator 500 along with the gas outlet pipe 120, the distance from the end of the first pipe 410 to the liquid storage tank 400 should be smaller than the distance from the end of the second pipe 420 to the liquid storage tank 400.

As a scheme for automatically discharging the liquid level of the liquid storage tank 400 after the liquid level reaches a certain height, the liquid storage tank 400 is further provided with an overflow structure, and the overflow structure comprises a first pipeline 410, a second pipeline 420 and a third pipeline 430 which are sequentially connected; one end of the first pipe 410 is located in the liquid storage tank 400 and is arranged at an interval relative to the bottom of the liquid storage tank 400, the other end of the first pipe is connected with one end of the second pipe 420, the other end of the second pipe 420 is connected with one end of a third pipe 430, and the other end of the third pipe 430 is arranged outside the liquid storage tank 400, wherein when the liquid level of the liquid storage tank 400 reaches a certain height, the overflow structure can drain the liquid in the liquid storage tank 400.

Wherein, in this scheme, after liquid in the deposit fluid reservoir 400 reachs a take the altitude, the overflow structure based on the principle of linker and siphon can with the liquid of deposit fluid reservoir 400 is got rid of automatically, adopts mechanical structure to realize the suction of rivers, and simple structure is stable, compares in the structural design who adopts the sensor body, and it has miniaturization and low-cost characteristics

In some embodiments, a through hole for cooperating with the overflow structure is further provided on the sidewall of the liquid storage tank 400, wherein the through hole is provided with a sealing ring for cooperating with the outer sidewall of the overflow structure.

In some embodiments, the connection end of the second pipe 420 to the second opening is further provided with a water absorption mechanism, and the water absorption mechanism is detachably connected with the second pipe 420.

As shown in fig. 4, the present invention further provides a ventilator 500 with a sputum aspirating function, which includes the above-mentioned ventilator 500 pipeline structure, and further includes a sputum aspirator 600 and the ventilator 500, wherein the ventilator 500 is connected to the endotracheal intubation structure 100, and the sputum aspirator 600 is connected to the sputum aspirating tube 200.

The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. A ventilator circuit structure, comprising:

the trachea cannula structure (100) is used for being connected with a respirator body, the trachea cannula structure (100) comprises an air inlet pipe (110), an air outlet pipe (120) and an extension pipe (130), one end of the extension pipe (130) is used for being matched with a human body, and one end of the air inlet pipe (110) and one end of the air outlet pipe (120) are communicated with the other end of the extension pipe (130) at the same time;

the air inlet pipe (110) is connected with the extension pipe (130), and the end part of the air inlet pipe (110) connected with the extension pipe (130) is also provided with a one-way flow limiting structure (111);

the sputum suction device is characterized by further comprising a sputum suction pipe (200), one end of the sputum suction pipe (200) is used for being connected with the sputum suction device, and the other end of the sputum suction pipe (200) is used for being matched with a human body to achieve sputum suction.

2. A ventilator circuit structure according to claim 1, wherein said one-way flow restriction structure (111) is a tesla valve structure, said one-way flow restriction structure (111) has an inlet end for connection with a ventilator and an outlet end connected to said extension tube (130), and when fluid flows from said inlet end to said outlet end, acceleration of the fluid is achieved.

3. A ventilator circuit configuration according to claim 2, wherein said one-way flow restriction (111) is further provided with a baffle member (300), said baffle member (300) having a blocking face, said blocking face being arranged perpendicularly with respect to the axis of said outlet end.

4. A breathing machine pipeline structure according to any one of claims 1-3, wherein the outlet pipe (120) is further provided with a liquid storage tank (400), the outlet pipe (120) comprises a first pipe section (121) and a second pipe section (122), the liquid storage tank (400) is provided with a first opening and a second opening, one end of the first pipe section (121) is connected with the extension pipe (130), and the other end of the first pipe section is matched with the first opening; one end of the second pipeline (121) is matched with the second opening, and the other end of the second pipeline is used for being connected with a breathing machine.

5. A ventilator circuit arrangement according to claim 4, wherein said first opening and said second opening are both arranged at the top of said reservoir tank (400).

6. A ventilator circuit structure according to claim 5, characterized in that the liquid storage tank (400) is further provided with an overflow structure, and the overflow structure comprises a first pipeline (410), a second pipeline (420) and a third pipeline (430) which are connected in sequence; one end of the first pipeline (410) is positioned in the liquid storage tank (400) and is arranged at an interval relative to the bottom of the liquid storage tank (400), the other end of the first pipeline is connected with one end of the second pipeline (420), the other end of the second pipeline (420) is connected with one end of a third pipeline (430), and the other end of the third pipeline (430) is arranged outside the liquid storage tank (400), wherein when the liquid level of the liquid storage tank (400) reaches a certain height, the overflow structure can drain liquid in the liquid storage tank (400).

7. The ventilator circuit structure according to claim 6, wherein the sidewall of the liquid storage tank (400) is further provided with a through hole cooperating with the overflow structure, wherein the through hole is provided with a sealing ring, and the sealing ring is used for cooperating with the outer sidewall of the overflow structure.

8. The ventilator circuit structure according to claim 7, wherein a water absorbing mechanism is further disposed at a connection end of the second conduit (121) and the second opening, and the water absorbing mechanism is detachably connected to the second conduit.

9. A ventilator with sputum suction function, comprising the ventilator circuit structure of claims 1-7, further comprising a sputum aspirator (600) and a ventilator (500), wherein the ventilator is connected with the trachea cannula structure (100), and the sputum aspirator is connected with the sputum suction tube.