CN117244123B

CN117244123B - Respiratory tract cleaning device

Info

Publication number: CN117244123B
Application number: CN202311509047.6A
Authority: CN
Inventors: 张巍; 杨静
Original assignee: Beijing Anji Bema Health Technology Co ltd; Affiliated Hospital of Zunyi Medical University
Current assignee: Beijing Anji Bema Health Technology Co ltd; Affiliated Hospital of Zunyi Medical University
Priority date: 2023-11-14
Filing date: 2023-11-14
Publication date: 2024-02-06
Anticipated expiration: 2043-11-14
Also published as: CN117244123A

Abstract

The invention discloses a respiratory tract cleaning device which comprises a storage mechanism, a negative pressure cleaning mechanism and a gas compensation mechanism, wherein the negative pressure cleaning mechanism is arranged on the storage mechanism, the gas compensation mechanism is arranged on the storage mechanism, and the gas compensation mechanism is arranged on the gas pipe inner diameter adaptation mechanism. The invention belongs to the technical field of respiratory tract cleaning, and particularly relates to a respiratory tract cleaning device; the invention provides a three-layer type gas flow pipeline, wherein the inner layer is used for carrying out traditional negative pressure extraction, the interlayer is used for adjusting the internal pressure of a cleaning assembly from two aspects of active and passive, and the outer layer is used for supplementing gas at the same rate as the inner layer, so that the negative pressure and the negative pressure intensity can be properly improved on the premise of ensuring safety, and meanwhile, the situation of crisis human body such as low tracheal internal pressure is avoided.

Description

Respiratory tract cleaning device

Technical Field

The invention belongs to the technical field of respiratory tract cleaning, and particularly relates to a respiratory tract cleaning device.

Background

When foreign matters such as sputum and pus exist in the respiratory tract, the respiratory tract of a patient without autonomous sputum-expelling capability needs to be cleaned by an auxiliary suction device, in the prior art, a thin catheter is often inserted into the respiratory tract of the patient, and then the target position is extracted and cleaned in an intermittent negative pressure mode (the trachea of the human body cannot bear continuous negative pressure).

However, the extraction mode is that the catheter is much finer than the trachea, otherwise, suffocation of a patient is easy to occur in the cleaning process, but the range and the angle of the excessively fine extraction of the catheter are necessarily random, complete coverage is difficult to achieve, and repeated operation is often required; and some foreign matters which are thinner (scattered) or have stronger adhesiveness are difficult to be extracted cleanly by negative pressure extraction.

Disclosure of Invention

Aiming at the situation, in order to overcome the defects of the prior art, the invention provides a respiratory tract cleaning device, which aims to realize the whole coverage of a cleaning area, and on one hand, the invention provides a cleaning component capable of expanding and shrinking along with a trachea, and the rubber expansion ring and the petal-shaped air bag which are formed by composite materials can realize the whole coverage of the cleaning area and the flexible scraping of the tracheal wall, and can also ensure that the diameter of the cleaning component expands and shrinks along with the breathing of a patient; on the other hand, the invention also provides a three-layer type gas flow pipeline, wherein the inner layer is used for carrying out traditional negative pressure extraction, the interlayer is used for adjusting the internal pressure of the cleaning component from two aspects of active and passive, and the outer layer is used for supplementing gas at the same speed as the inner layer, so that the negative pressure and the negative pressure intensity can be properly improved on the premise of ensuring safety, and meanwhile, the situation of crisis human bodies such as low air tube internal pressure is avoided.

The technical scheme adopted by the invention is as follows: the invention provides a respiratory tract cleaning device which comprises a storage mechanism, a negative pressure cleaning mechanism and a gas compensation mechanism, wherein the negative pressure cleaning mechanism is arranged on the storage mechanism, the gas compensation mechanism is arranged on the storage mechanism, and the gas compensation mechanism is arranged on the gas pipe inner diameter adaptation mechanism.

The original advantages of negative pressure extraction can be continued through the air pipe inner diameter adaptation mechanism, and foreign matters which are difficult to extract in a conventional mode can be cleaned through a mode that the soft rubber expansion ring scrapes the air pipe wall.

Further, the tracheal internal diameter adaptation mechanism comprises a double-layer tracheal, a cleaning component, a pneumatic balance component and a pneumatic pre-adjustment component, wherein the double-layer tracheal is arranged on the pneumatic balance component, the cleaning component is arranged at one end of the double-layer tracheal, the pneumatic balance component is arranged at the other end of the double-layer tracheal, the pneumatic pre-adjustment component is arranged in the pneumatic balance component, and the pneumatic balance component is arranged at one side of the storage mechanism.

Preferably, an interlayer is arranged in the middle of the double-layer air pipe, a double-layer pipe joint is arranged at the bottom of the outer layer of the double-layer air pipe in an extending mode, and the double-layer pipe joint is communicated with the interlayer in the double-layer air pipe.

The inside intermediate layer of double-deck tracheal is an isolated closed chamber with the external world, through the atmospheric pressure change in this intermediate layer, can carry out the preconditioning to the initial diameter of clearance subassembly according to patient's age and sex on the one hand, on the other hand then can adapt to the trachea internal diameter change in the patient's breathing process through the mode of independent change at the in-process of clearance.

As a further preferred mode of the invention, the cleaning component comprises a petal-shaped air bag and a rubber expansion ring, wherein an air bag annular part is arranged on the petal-shaped air bag, the air bag annular part is communicated with the middle interlayer of the double-layer air pipe, air bag petal parts communicated with the air bag annular part are uniformly distributed on the periphery of the air bag annular part in an annular mode, an air bag inner wall hole is formed in the inner wall of the air bag annular part, and an air bag side hole is formed in the side wall of the air bag petal part; the rubber expansion ring consists of soft rubber parts and hard rubber parts, wherein the soft rubber parts and the hard rubber parts are alternately arranged, the edges of the soft rubber parts and the hard rubber parts are overlapped, and the overlapped parts of the soft rubber parts and the hard rubber parts are in the range covered by the end surfaces of the air bag petal parts.

When the air pressure in the interlayer of the double-layer air pipe changes, the petal-shaped air bag can expand and contract correspondingly, at the moment, the pressure fluctuation amplitude in the petal-shaped air bag can be reduced through the sliding of the self-adjusting piston and the compression of the pre-pressing spring, so that the technical purpose that the petal-shaped air bag follows the air pipe to change the diameter passively is achieved, the gaps between the petal parts of the air bag can allow air to enter and exit, and accordingly the air bag can be guaranteed to breathe normally and spontaneously in a long time in operation, and even if the diameter of the rubber expansion ring is equal to that of the air pipe, a patient can breathe normally and independently.

The soft rubber parts and the hard rubber parts are alternately distributed, so that the whole rubber expansion ring can be expanded and contracted by utilizing the characteristic that the soft rubber is easy to expand and contract, the middle position of the hard rubber part can be outwards expanded and can be more attached to the tracheal wall under the condition that the air bag petal parts are not supported by the air bag petal parts by limiting the angles of the two ends of the hard rubber part, and the soft rubber part is attached to the tracheal wall under the propping of the air bag petal parts.

Preferably, the air pressure balance assembly comprises a cavity tube fixing frame, a balance cavity tube, a pre-pressing spring and a self-adjusting piston, wherein the cavity tube fixing frame is fixedly connected to the side face of the storage mechanism, the balance cavity tube is clamped in the cavity tube fixing frame, one end of the balance cavity tube is clamped on the double-layer tube connector, the self-adjusting piston is clamped and slidingly arranged in the balance cavity tube, and the pre-pressing spring is arranged on the self-adjusting piston.

When the patient breathes spontaneously and causes the small-amplitude expansion of the trachea, the cleaning assembly can be always attached to the wall of the trachea and expand and contract along with the expansion of the trachea through the sliding of the self-adjusting piston and the elasticity provided by the pre-pressing spring.

As a further preferred aspect of the present invention, the air pressure pre-adjusting assembly includes a pre-adjusting piston, an adjusting nut and an adjusting stud, the pre-adjusting piston is slidably disposed in the balance cavity, the pre-pressing spring is disposed between the self-adjusting piston and the pre-adjusting piston, the adjusting nut is fixedly connected to the other end of the balance cavity, the adjusting stud is in threaded connection with the adjusting nut, and the adjusting stud is rotatably disposed on the pre-adjusting piston.

The initial position of the self-adjusting piston and the initial pressure of the pre-pressing spring can be adjusted according to the age, sex, actual inner diameter of the trachea and other factors of a patient before cleaning is started through the pre-adjusting piston, so that the self-adjusting piston has stronger applicability and practical value.

Further, the storage mechanism comprises a box body assembly, a driving assembly and a control handle, wherein the driving assembly is arranged on the gas compensation mechanism, and the control handle is arranged on the driving assembly.

Preferably, the box assembly comprises a main box body, a box cover and an air filter, wherein the main box body consists of a waste storage box and a gas storage box, the cavity tube fixing frame is fixedly connected to the side face of the main box body, the box cover is arranged on the main box body and is provided with a first box cover connector and a second box cover connector, the first box cover connector is arranged above the gas storage box, the second box cover connector is arranged above the waste storage box, and the air filter is arranged on one side of the gas storage box.

The air that has been filtered by air cleaner, can directly inhale human lung in the gas storage tank, at the in-process of negative pressure extraction clearance foreign matter to with inhale the same speed to the trachea inside carry out the gas replenishment, on the one hand can avoid because the too little condition that leads to the trachea to appear abnormal contraction of pressure, on the other hand for traditional negative pressure extraction mode, this mode can also suitably improve negative pressure and the intensity of extraction under the prerequisite of guaranteeing safety, further optimize the effect of absorbing the foreign matter.

Further, the gas compensation mechanism comprises a gas supplementing pump, a gas supplementing pipe and a gas supplementing sleeve, the gas supplementing pump is clamped in the first box cover connector, the gas supplementing sleeve is arranged outside the double-layer pipe, a sleeve position avoiding hole matched with the double-layer pipe connector is formed in the gas supplementing sleeve, a sleeve connector is further arranged on the gas supplementing sleeve, the gas supplementing pipe is clamped on the sleeve connector, and the gas supplementing pump is arranged on the gas supplementing pipe.

Further, the negative pressure cleaning mechanism comprises a negative pressure suction pipe, a negative pressure pump and a shunt suction pipe, wherein the negative pressure suction pipe is arranged in the inner layer of the double-layer air pipe, the negative pressure suction pipe is clamped in the second box cover joint, and the negative pressure pump is arranged on the negative pressure suction pipe.

Preferably, the shunt suction pipe is clamped in the hole of the inner wall of the air bag, the shunt suction pipe is symmetrically provided with branch pipe parts, and the branch pipe parts are clamped in the hole of the side surface of the air bag.

The gas compensation mechanism can utilize the inner layer pipe of the double-layer gas pipe as a negative pressure pipe without special negative pressure suction pipes.

As a further preferred aspect of the present invention, the driving assembly includes a driving motor and a reversing module, the driving motor is disposed on the housing of the air supply pump, the reversing module is disposed on the output shaft of the driving motor, the driving motor drives the air supply pump to rotate, and simultaneously, the driving motor can change the rotating direction and drive the negative pressure pump to rotate through the reversing module, the air supply pump has a function of pumping foreign matters at the cleaning assembly into the waste storage tank, the air supply pipe has a function of blowing air in the air storage tank into the cleaning assembly, and the air supply amounts of the air supply pump and the negative pressure pump are equal.

The control handle is electrically connected with the driving motor, and buttons on the control handle are divided into a high gear and a low gear; through the mode of setting up the top and bottom shelves, can avoid frequently starting and stopping driving motor in the use, and then prolong driving motor's life.

The beneficial effects obtained by the invention by adopting the structure are as follows:

(1) The original advantages of negative pressure extraction can be continued through the air pipe inner diameter adaptation mechanism, and foreign matters which are difficult to extract in a conventional mode can be cleaned through a mode that the soft rubber expansion ring scrapes the air pipe wall.

(2) The inside intermediate layer of double-deck tracheal is an isolated closed chamber with the external world, through the atmospheric pressure change in this intermediate layer, can carry out the preconditioning to the initial diameter of clearance subassembly according to patient's age and sex on the one hand, on the other hand then can adapt to the trachea internal diameter change in the patient's breathing process through the mode of independent change at the in-process of clearance.

(3) When the air pressure in the interlayer of the double-layer air pipe changes, the petal-shaped air bag can expand and contract correspondingly, at the moment, the pressure fluctuation amplitude in the petal-shaped air bag can be reduced through the sliding of the self-adjusting piston and the compression of the pre-pressing spring, so that the technical purpose that the petal-shaped air bag follows the air pipe to change the diameter passively is achieved, the gaps between the petal parts of the air bag can allow air to enter and exit, and accordingly the air bag can be guaranteed to breathe normally and spontaneously in a long time in operation, and even if the diameter of the rubber expansion ring is equal to that of the air pipe, a patient can breathe normally and independently.

(4) The soft rubber parts and the hard rubber parts are alternately distributed, so that the whole rubber expansion ring can be expanded and contracted by utilizing the characteristic that the soft rubber is easy to expand and contract, the middle position of the hard rubber part can be outwards expanded and can be more attached to the tracheal wall under the condition that the air bag petal parts are not supported by the air bag petal parts by limiting the angles of the two ends of the hard rubber part, and the soft rubber part is attached to the tracheal wall under the propping of the air bag petal parts.

(5) When the patient breathes spontaneously and causes the small-amplitude expansion of the trachea, the cleaning assembly can be always attached to the wall of the trachea and expand and contract along with the expansion of the trachea through the sliding of the self-adjusting piston and the elasticity provided by the pre-pressing spring.

(6) The initial position of the self-adjusting piston and the initial pressure of the pre-pressing spring can be adjusted according to the age, sex, actual inner diameter of the trachea and other factors of a patient before cleaning is started through the pre-adjusting piston, so that the self-adjusting piston has stronger applicability and practical value.

(7) The air that has been filtered by air cleaner, can directly inhale human lung in the gas storage tank, at the in-process of negative pressure extraction clearance foreign matter to with inhale the same speed to the trachea inside carry out the gas replenishment, on the one hand can avoid because the too little condition that leads to the trachea to appear abnormal contraction of pressure, on the other hand for traditional negative pressure extraction mode, this mode can also suitably improve negative pressure and the intensity of extraction under the prerequisite of guaranteeing safety, further optimize the effect of absorbing the foreign matter.

Drawings

Fig. 1 is a perspective view of a respiratory tract cleaning device according to the present invention;

fig. 2 is a front view of a respiratory tract cleaning device according to the present invention;

FIG. 3 is a top view of a respiratory tract cleaning device according to the present invention;

FIG. 4 is a left side view of a respiratory tract cleaning device according to the present invention;

FIG. 5 is a cross-sectional view taken along section line A-A of FIG. 4;

FIG. 6 is a cross-sectional view taken along section line B-B in FIG. 5;

FIG. 7 is a cross-sectional view taken along section line C-C in FIG. 6;

FIG. 8 is an enlarged view of a portion of the portion I of FIG. 5;

FIG. 9 is an enlarged view of a portion of the portion II of FIG. 5;

FIG. 10 is an enlarged view of a portion of III in FIG. 5;

fig. 11 is an enlarged view of a portion at iv in fig. 7.

Wherein 1, the air pipe inside diameter adapting mechanism, 2, the storage mechanism, 3, the gas compensation mechanism, 4, the negative pressure cleaning mechanism, 5, the double-layer air pipe, 6, the cleaning component, 7, the air pressure balancing component, 8, the air pressure pre-adjusting component, 9, the double-layer pipe joint, 10, the petal-shaped air bag, 11, the rubber expansion ring, 12, the cavity pipe fixing frame, 13, the balance cavity pipe, 14, the pre-compression spring, 15, the self-adjusting piston, 16, the pre-adjusting piston, 17, the adjusting nut, 18, the adjusting stud, 19, the air bag annular part, 20, the air bag petal part, 21, the air bag inside wall hole, 22, the air bag side hole, 23, the soft rubber part, 24, the hard rubber part, 25, the box component, 26, the driving component, 27, the control handle, 28, the main box, 29, the box cover, 30, the driving motor, 31, the reverse module, 32, the waste storage box, 33, the gas storage box, 34, the box cover joint first, 35, the box cover joint second, 36, the air supplementing pump, 37, the air supplementing pipe, 38, the air box sleeve pipe 39, the sleeve hole, the sleeve position-avoiding hole, 40, the sleeve pipe side hole, the suction pipe, 41, the branch pipe, the negative pressure pipe joint, 42, the air suction pipe and the air filter, the air suction pipe part, the air filter, and the suction pipe 43.

The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention; all other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

In the description of the present invention, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate orientation or positional relationships based on those shown in the drawings, merely to facilitate description of the invention and simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.

As shown in fig. 1 to 11, the invention provides a respiratory tract cleaning device, which comprises a storage mechanism 2 and a negative pressure cleaning mechanism 4, wherein the negative pressure cleaning mechanism 4 is arranged on the storage mechanism 2, and further comprises an inner diameter of trachea adaptation mechanism 1 and a gas compensation mechanism 3, the inner diameter of trachea adaptation mechanism 1 is arranged on the storage mechanism 2, and the gas compensation mechanism 3 is arranged on the inner diameter of trachea adaptation mechanism 1.

The storage mechanism 2 comprises a box assembly 25, a driving assembly 26 and a control handle 27, wherein the driving assembly 26 is arranged on the gas compensation mechanism 3, and the control handle 27 is arranged on the driving assembly 26.

The box assembly 25 includes a main box 28, a box cover 29 and an air filter 45, the main box 28 is composed of a waste storage box 32 and a gas storage box 33, the cavity tube fixing frame 12 is fixedly connected to the side surface of the main box 28, the box cover 29 is arranged on the main box 28, a box cover connector I34 and a box cover connector II 35 are arranged on the box cover 29, the box cover connector I34 is arranged above the gas storage box 33, the box cover connector II 35 is arranged above the waste storage box 32, and the air filter 45 is arranged on one side of the gas storage box 33.

The air which is filtered by the air filter 45 and can be directly sucked into the lung of a human body is stored in the air storage box 33, and in the process of extracting and cleaning foreign matters under negative pressure, the air is supplemented into the air pipe at the same speed as the air suction, so that on one hand, the abnormal shrinkage of the air pipe caused by too small pressure can be avoided, and on the other hand, compared with the traditional negative pressure extraction mode, the negative pressure and the extraction intensity can be properly improved under the premise of ensuring safety, and the effect of absorbing the foreign matters is further optimized.

The original advantages of negative pressure extraction can be continued through the air pipe inner diameter adaptation mechanism 1, and foreign matters which are difficult to extract in a conventional mode can be cleaned through a mode that the soft rubber expansion ring 11 scrapes the air pipe wall.

The air pipe inner diameter adaptation mechanism 1 comprises a double-layer air pipe 5, a cleaning assembly 6, an air pressure balancing assembly 7 and an air pressure pre-adjusting assembly 8, wherein the double-layer air pipe 5 is arranged on the air pressure balancing assembly 7, the cleaning assembly 6 is arranged at one end of the double-layer air pipe 5, the air pressure balancing assembly 7 is arranged at the other end of the double-layer air pipe 5, the air pressure pre-adjusting assembly 8 is arranged in the air pressure balancing assembly 7, and the air pressure balancing assembly 7 is arranged at one side of the storage mechanism 2.

An interlayer is arranged in the middle of the double-layer air pipe 5, a double-layer pipe joint 9 is arranged at the bottom of the outer layer of the double-layer air pipe 5 in an extending mode, and the double-layer pipe joint 9 is communicated with the interlayer in the double-layer air pipe 5.

The inside intermediate layer of double-deck trachea 5 is an isolated closed chamber with the external world, through the atmospheric pressure change in this intermediate layer, can carry out the precondition to the initial diameter of clearance subassembly 6 according to patient's age and sex on the one hand, on the other hand then can adapt to the trachea internal diameter change in the patient's breathing process through the mode of independent change at the in-process of clearance.

The cleaning component 6 comprises a petal-shaped air bag 10 and a rubber expansion ring 11, wherein an air bag annular part 19 is arranged on the petal-shaped air bag 10, the air bag annular part 19 is communicated with the middle interlayer of the double-layer air pipe 5, air bag petal parts 20 communicated with the air bag annular part 19 are uniformly distributed around the air bag annular part 19, an air bag inner wall hole 21 is formed in the inner wall of the air bag annular part 19, and an air bag side hole 22 is formed in the side wall of the air bag petal part 20; the rubber expansion ring 11 is composed of soft rubber portions 23 and hard rubber portions 24, the soft rubber portions 23 and the hard rubber portions 24 are alternately arranged and the edges are overlapped with each other, and the overlapped portions of the soft rubber portions 23 and the hard rubber portions 24 are within the range covered by the end faces of the air bag petal portions 20.

When the air pressure in the interlayer of the double-layer air pipe 5 changes, the petal-shaped air bag 10 also expands and contracts correspondingly, at this time, the pressure fluctuation amplitude in the petal-shaped air bag 10 in the process can be reduced through the sliding of the self-adjusting piston 15 and the compression of the pre-pressing spring 14, so that the technical purpose that the petal-shaped air bag 10 follows the air pipe to passively change the diameter is achieved, and the gaps between the air bag petals 20 can allow air to enter and exit, so that in the operation of relatively long time, even if the diameter of the rubber expansion ring 11 is equal to the air pipe, the patient can still breathe normally and spontaneously for a period of time.

The soft rubber parts 23 and the hard rubber parts 24 are alternately distributed, so that the whole rubber expansion ring 11 can be expanded and contracted by utilizing the characteristic that soft rubber is easy to expand and contract, the middle position of the hard rubber part 24 can also be in an outward expansion arc shape under the condition that the air bag petal part 20 is not supported by the air bag petal part 20 by limiting the angles of the two ends of the hard rubber part 24, the soft rubber part 23 is further attached to the air pipe wall under the propping of the air bag petal part 20.

The air pressure balance assembly 7 comprises a cavity tube fixing frame 12, a balance cavity tube 13, a pre-pressing spring 14 and a self-adjusting piston 15, wherein the cavity tube fixing frame 12 is fixedly connected to the side face of the storage mechanism 2, the balance cavity tube 13 is clamped in the cavity tube fixing frame 12, one end of the balance cavity tube 13 is clamped in the double-layer pipe joint 9, the self-adjusting piston 15 is clamped and slidingly arranged in the balance cavity tube 13, and the pre-pressing spring 14 is arranged on the self-adjusting piston 15.

When the patient breathes spontaneously, the small-amplitude expansion of the trachea is caused, and the cleaning assembly 6 can be always attached to the tracheal wall and expand and contract along with the expansion and contraction of the trachea through the sliding of the self-adjusting piston 15 and the elastic force provided by the pre-pressing spring 14.

The air pressure pre-adjusting assembly 8 comprises a pre-adjusting piston 16, an adjusting nut 17 and an adjusting stud 18, the pre-adjusting piston 16 is clamped and slidingly arranged in the balance cavity tube 13, the pre-pressing spring 14 is arranged between the self-adjusting piston 15 and the pre-adjusting piston 16, the adjusting nut 17 is fixedly connected to the other end of the balance cavity tube 13, the adjusting stud 18 is in threaded connection with the adjusting nut 17, and the adjusting stud 18 is rotationally arranged on the pre-adjusting piston 16.

The initial position of the self-adjusting piston 15 and the initial pressure of the pre-pressing spring 14 can be adjusted before cleaning is started according to factors such as age, sex, actual inner diameter of the trachea and the like of a patient, so that the self-adjusting piston has stronger applicability and practical value.

The gas compensation mechanism 3 comprises a gas supplementing pump 36, a gas supplementing pipe 37 and a gas supplementing sleeve 38, wherein the gas supplementing pump 36 is clamped in the first box cover connector 34, the gas supplementing sleeve 38 is arranged outside the double-layer gas pipe 5, a sleeve position avoiding hole 39 matched with the double-layer pipe connector 9 is formed in the gas supplementing sleeve 38, a sleeve connector 40 is further arranged on the gas supplementing sleeve 38, the gas supplementing pipe 37 is clamped on the sleeve connector 40, and the gas supplementing pump 36 is arranged on the gas supplementing pipe 37.

The negative pressure cleaning mechanism 4 comprises a negative pressure suction pipe 41, a negative pressure pump 42 and a shunt suction pipe 43, the negative pressure suction pipe 41 is arranged in the inner layer of the double-layer air pipe 5, the negative pressure suction pipe 41 is clamped in the second box cover joint 35, and the negative pressure pump 42 is arranged on the negative pressure suction pipe 41.

The shunt suction tube 43 is engaged with the airbag inner wall hole 21, and the shunt suction tube 43 is symmetrically provided with the branch pipe parts 44, and the branch pipe parts 44 are engaged with the airbag side surface hole 22.

The gas compensation mechanism 3 can utilize the inner tube of the double-layer air tube 5 as a negative pressure tube without specially arranging a negative pressure suction pipeline.

The driving assembly 26 comprises a driving motor 30 and a reversing module 31, the driving motor 30 is arranged on a shell of the air supplementing pump 36, the reversing module 31 is arranged on an output shaft of the driving motor 30, the driving motor 30 drives the air supplementing pump 36 to rotate, meanwhile, the rotating direction can be changed through the reversing module 31, the negative pressure pump 42 is driven to rotate, the air supplementing pump 36 has the function of pumping foreign matters at the cleaning assembly 6 into the waste storage box 32, the air supplementing pipe 37 has the function of blowing air in the air storage box 33 into the cleaning assembly 6, and the air pumping amounts of the air supplementing pump 36 and the negative pressure pump 42 are equal.

The control handle 27 is electrically connected to the driving motor 30, and buttons on the control handle 27 are classified into a high gear and a low gear.

When the device is specifically used, firstly, a user needs to insert the cleaning assembly 6 in a contracted state, the double-layer air pipe 5 and the air supplementing sleeve 38 into the air pipe of a patient, and the inflation degree of the cleaning assembly 6 is regulated by the air pressure pre-regulating assembly 8 after the cleaning assembly 6 approaches to a target position;

according to the actual inner diameter of the trachea of the patient and the age and sex of the patient, the initial air pressure of the cleaning assembly 6 is determined, and the position of the pre-adjusting piston 16 is changed by rotating the adjusting stud 18, so that the internal air pressure of the petal-shaped air bag 10 is just at a preset value when the rubber expansion ring 11 is attached to the tracheal wall of the patient;

the soft rubber parts 23 and the hard rubber parts 24 are alternately distributed, so that the whole rubber expansion ring 11 can be expanded and contracted by utilizing the characteristic that soft rubber is easy to expand and contract, the middle position of the hard rubber part 24 can also be in an outwards expanded arc shape under the condition that the air bag petal part 20 is not supported by the air bag petal part 24 by limiting the angles of the two ends of the hard rubber part 24, and the soft rubber part 23 is adhered to the air pipe wall under the supporting of the air bag petal part 20, so that the rubber expansion ring 11 can scrape off foreign matters adhered to the air pipe wall;

then, the driving motor 30 is started, in the basic state, the control handle 27 is in a low gear, at the moment, the driving motor 30 is in a low power operation state, and at the moment, the negative pressure inside the negative pressure suction tube 41 and the double-layer air tube 5 is insufficient for sucking foreign matters;

in the process, when the driving motor 30 is switched to a high grade through the control handle 27, the negative pressure in the negative pressure suction pipe 41 is increased, and the foreign matters scraped by the rubber expansion ring 11 enter the inner layer of the double-layer air pipe 5 through the diversion suction pipe 43 and enter the waste storage box 32 along the negative pressure suction pipe 41 under the action of negative pressure;

in the process that the air supplementing pipe 37 continuously pumps air from the air pipe, the negative pressure pump 42 can also convey clean air in the air storage tank 33 to the cleaning component 6 at the same speed, so that the abnormal influence of the pumped air on a human body is avoided under the condition that the negative pressure suction effect is not influenced, and meanwhile, the negative pressure can be properly improved and the suction effect can be enhanced in this way;

in the continuous cleaning process, the petal-shaped air bag 10 also expands and contracts correspondingly due to the respiration of a patient, and at the moment, the pressure fluctuation amplitude in the petal-shaped air bag 10 in the process can be reduced through the sliding of the self-adjusting piston 15 and the compression of the pre-pressing spring 14, so that the technical aim that the petal-shaped air bag 10 passively changes in diameter along with the trachea is fulfilled; and the gaps between the balloon petals 20 allow gas to enter and exit, thereby ensuring that the patient can maintain normal spontaneous breathing for a while even if the diameter of the rubber inflation ring 11 is equal to the trachea during a relatively long period of operation;

after cleaning, the internal air pressure of the petal-shaped air bag 10 is reduced by rotating the adjusting stud 18, so that the rubber expansion ring 11 is far smaller than the inner diameter of the air pipe, and then the cleaning assembly 6 is pulled out.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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

The invention and its embodiments have been described above with no limitation, and the actual construction is not limited to the embodiments of the invention as shown in the drawings. In summary, if one of ordinary skill in the art is informed by this disclosure, a structural manner and an embodiment similar to the technical solution should not be creatively devised without departing from the gist of the present invention.

Claims

1. The utility model provides a respiratory tract cleaning device, includes storage mechanism (2) and negative pressure clearance mechanism (4), on storage mechanism (2) are located to negative pressure clearance mechanism (4), its characterized in that: the device also comprises a trachea inner diameter adapting mechanism (1) and a gas compensating mechanism (3), wherein the trachea inner diameter adapting mechanism (1) is arranged on the storage mechanism (2), and the gas compensating mechanism (3) is arranged on the trachea inner diameter adapting mechanism (1);

the air pipe inner diameter adaptation mechanism (1) comprises a double-layer air pipe (5), a cleaning assembly (6), an air pressure balancing assembly (7) and an air pressure pre-adjusting assembly (8), wherein the double-layer air pipe (5) is arranged on the air pressure balancing assembly (7), the cleaning assembly (6) is arranged at one end of the double-layer air pipe (5), the air pressure balancing assembly (7) is arranged at the other end of the double-layer air pipe (5), the air pressure pre-adjusting assembly (8) is arranged in the air pressure balancing assembly (7), and the air pressure balancing assembly (7) is arranged at one side of the storage mechanism (2);

an interlayer is arranged in the middle of the double-layer air pipe (5), a double-layer pipe joint (9) is arranged at the bottom of the outer layer of the double-layer air pipe (5) in an extending mode, and the double-layer pipe joint (9) is communicated with the interlayer in the double-layer air pipe (5);

the cleaning assembly (6) comprises a petal-shaped air bag (10) and a rubber expansion ring (11), wherein an air bag annular part (19) is arranged on the petal-shaped air bag (10), the middle interlayer of the air bag annular part (19) and the double-layer air pipe (5) is communicated, air bag petal parts (20) communicated with the air bag annular part (19) are uniformly distributed around the air bag annular part (19), an air bag inner wall hole (21) is formed in the inner wall of the air bag annular part (19), and an air bag side hole (22) is formed in the side wall of the air bag petal part (20); the rubber expansion ring (11) consists of soft rubber parts (23) and hard rubber parts (24), wherein the soft rubber parts (23) and the hard rubber parts (24) are alternately arranged, the edges of the soft rubber parts and the hard rubber parts (24) are overlapped, and the overlapped parts of the soft rubber parts (23) and the hard rubber parts (24) are within the coverage range of the end surfaces of the air bag petal parts (20);

the storage mechanism (2) comprises a box body assembly (25), the box body assembly (25) comprises a main box body (28), a box cover (29) and an air filter (45), the main box body (28) is composed of a waste storage box (32) and a gas storage box (33), the box cover (29) is arranged on the main box body (28), a box cover joint I (34) and a box cover joint II (35) are arranged on the box cover (29), the box cover joint I (34) is arranged above the gas storage box (33), and the box cover joint II (35) is arranged above the waste storage box (32);

the gas compensation mechanism (3) comprises a gas supplementing pump (36), a gas supplementing pipe (37) and a gas supplementing sleeve (38), wherein the gas supplementing pump (36) is clamped in the first box cover connector (34), the gas supplementing sleeve (38) is arranged outside the double-layer gas pipe (5), a sleeve position avoiding hole (39) matched with the double-layer pipe connector (9) is formed in the gas supplementing sleeve (38), a sleeve connector (40) is further arranged on the gas supplementing sleeve (38), the gas supplementing pipe (37) is clamped on the sleeve connector (40), and the gas supplementing pump (36) is arranged on the gas supplementing pipe (37).

2. The respiratory tract cleaning device of claim 1, wherein: the air pressure balance assembly (7) comprises a cavity tube fixing frame (12), a balance cavity tube (13), a pre-pressing spring (14) and a self-adjusting piston (15), wherein the cavity tube fixing frame (12) is fixedly connected to the side face of the storage mechanism (2), the balance cavity tube (13) is clamped in the cavity tube fixing frame (12), one end of the balance cavity tube (13) is clamped on the double-layer pipe joint (9), the self-adjusting piston (15) is clamped and slidingly arranged in the balance cavity tube (13), and the pre-pressing spring (14) is arranged on the self-adjusting piston (15).

3. The respiratory tract cleaning device of claim 2, wherein: the air pressure pre-adjusting assembly (8) comprises a pre-adjusting piston (16), an adjusting nut (17) and an adjusting stud (18), the pre-adjusting piston (16) is clamped and slidably arranged in the balance cavity tube (13), the pre-pressing spring (14) is arranged between the self-adjusting piston (15) and the pre-adjusting piston (16), the adjusting nut (17) is fixedly connected to the other end of the balance cavity tube (13), the adjusting stud (18) is in threaded connection with the adjusting nut (17), and the adjusting stud (18) is rotationally arranged on the pre-adjusting piston (16).

4. A respiratory tract cleaning device according to claim 3, wherein: the storage mechanism (2) further comprises a driving assembly (26) and a control handle (27), the driving assembly (26) is arranged on the gas compensation mechanism (3), and the control handle (27) is arranged on the driving assembly (26).

5. The respiratory tract cleaning apparatus of claim 4 wherein: the cavity tube fixing frame (12) is fixedly connected to the side face of the main box body (28), and the air filter (45) is arranged on one side of the gas storage box (33).

6. The respiratory tract cleaning device of claim 5, wherein: the negative pressure cleaning mechanism (4) comprises a negative pressure suction pipe (41), a negative pressure pump (42) and a shunt suction pipe (43), wherein the negative pressure suction pipe (41) is arranged in the inner layer of the double-layer air pipe (5), the negative pressure suction pipe (41) is clamped in the box cover joint II (35), and the negative pressure pump (42) is arranged on the negative pressure suction pipe (41); the split-flow suction pipe (43) is clamped in the air bag inner wall hole (21), branch pipe parts (44) are symmetrically arranged on the split-flow suction pipe (43), and the branch pipe parts (44) are clamped in the air bag side surface hole (22).

7. The respiratory tract cleaning device of claim 6, wherein: the driving assembly (26) comprises a driving motor (30) and a reversing module (31), the driving motor (30) is arranged on a shell of the air supplementing pump (36), the reversing module (31) is arranged on an output shaft of the driving motor (30), the driving motor (30) drives the air supplementing pump (36) to rotate, meanwhile, the rotating direction can be changed through the reversing module (31) and the negative pressure pump (42) is driven to rotate, the air supplementing pump (36) has the function of pumping foreign matters at the cleaning assembly (6) into the waste storage box (32), the air supplementing pipe (37) has the function of blowing air in the air storage box (33) into the cleaning assembly (6), and the air supplementing pump (36) and the negative pressure pump (42) are equal in air supplementing amount.

8. The respiratory tract cleaning device of claim 7, wherein: the control handle (27) is electrically connected with the driving motor (30), and buttons on the control handle (27) are divided into a high gear and a low gear.