CN215915876U - Automatic pressure regulating negative pressure suction device with automatic humidifying function - Google Patents

Abstract

The utility model discloses an automatic pressure regulating negative pressure suction device with an automatic humidifying function, which comprises: the tail end of the tracheal catheter is connected with a closed sputum suction tube, the port of a humidifying tube on the closed sputum suction tube is connected with a humidifying tube, the upper end of the humidifying tube is connected with an infusion apparatus, the infusion apparatus is connected with sterile humidifying liquid, a quantitative injector is additionally arranged outside an Murphy dropper of the infusion apparatus, the quantitative injector is a pressure pump provided with a capacity sensor, and a closed air bag of the quantitative injector wraps the Murphy dropper; the tail end of the closed sputum suction tube is connected with a disposable negative pressure suction liquid storage bottle through a suction apparatus leather strip, and the other connecting port of the negative pressure suction bottle is connected with a negative pressure suction pressure regulating meter. The utility model selects the pressure module according to different suction liquids, adjusts the range of the standard negative pressure value by one key, is convenient and fast to use, can automatically humidify thick sputum aiming at sputum suction operation, and ensures that the sputum becomes thin and is convenient to suck.

Description

Automatic pressure regulating negative pressure suction device with automatic humidifying function

Technical Field

The utility model relates to the technical field of medical instruments, in particular to an automatic pressure regulating negative pressure suction device with an automatic humidifying function.

Background

The negative pressure suction apparatus is a tool which is manufactured by a certain method to make the suction head in a negative pressure state, and the matter outside the suction head is extruded to the suction head, thereby completing the suction effect. The negative pressure aspirator is commonly used for tracheal sputum aspiration, is the first and key measure in the management of the respiratory tract of a mechanically ventilated patient, aims to keep the airway unobstructed, prevents partial or complete obstruction of an airway cannula, and plays an important role in controlling respiratory tract infection. The negative pressure is the driving force of sputum suction operation, and different negative pressures have different influences on the hemodynamics of mechanically ventilated patients, and the sputum suction duration, the sputum amount and the sputum viscosity all can influence the pressure. The safe and effective sputum suction negative pressure is set according to the specific conditions of the patient, so that a better suction effect can be achieved, the effectiveness of mechanical ventilation is maintained, and various complications can be reduced.

Along with the continuous popularization of vacuum aspiration ware, except being used for conventional phlegm operation of inhaling, in to the art, the patient of postoperative also can carry out blood, the operation of attracting such as bile, the postoperative is attracted simultaneously and is kept the drainage unobstructed, promote the healing of the wound surface of operation, however the vacuum aspiration ware of present clinical use can't carry out the automatically regulated of pressure value to the operation of difference, still need be through manual regulation, the integral operation is inconvenient, in addition be difficult to carry out the humidifying to the sputum of excessively thick inconvenient attraction when using and handle, there is the relatively poor problem of phlegm effect of inhaling, for this reason, we propose the higher automatic pressure regulating vacuum aspiration device who takes the automatic humidifying function of practicality.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an automatic pressure-regulating negative pressure suction device with an automatic humidifying function, which solves the problems that the conventional clinically used negative pressure suction device cannot automatically regulate pressure values according to different operations, still needs manual regulation, is inconvenient to integrally operate, and has poor sputum suction effect because excessively thick and inconvenient sputum is difficult to humidify during use.

In order to achieve the purpose, the utility model provides the following technical scheme: automatic pressure regulating negative pressure suction device of automatic humidifying function in area includes:

the tail end of the tracheal catheter is connected with a closed sputum suction tube, a humidifying tube is connected above the left end of the closed sputum suction tube, the upper end of the humidifying tube is provided with a humidifying tube, and the tail end of the closed sputum suction tube is sleeved with a suction tube;

the Murphy type dropper is arranged at the upper end of the humidifying pipe, a quantitative injector is arranged on the outer side above the Murphy type dropper, the top end of the Murphy type dropper is connected with a filling pipe, and the top end of the filling pipe is connected with an infusion bag;

the collecting bottle is connected below the suction tube, the upper right corner of the collecting bottle is connected with a negative pressure tube, and the negative pressure tube and the suction tube are both communicated with the inside of the collecting bottle;

the connecting pipe I is connected to the right end of the negative pressure pipe through a check valve, the pressure regulating cylinder is installed at the right end of the connecting pipe I, a pressure regulating plug is installed inside the pressure regulating cylinder, the right side of the pressure regulating cylinder is connected with the connecting pipe II, a control panel is installed above the pressure regulating cylinder, and the control panel is electrically connected with the quantitative injector.

Preferably, the closed sputum aspirator tube further comprises:

the respirator connecting pipe is positioned below the left end of the closed sputum suction pipe;

the concentration sensor and the closed sputum suction pipe control valve are installed at the tail end of the closed sputum suction pipe, the concentration sensor is located at the left end of the closed sputum suction pipe control valve, and the concentration sensor is electrically connected with the control panel.

Preferably, the quantitative injector further comprises:

the sliding chute is arranged on the front side surface of the quantitative injector;

a capacity sensor slidably mounted inside the chute;

the micro air pump is fixed on the outer side surface of the quantitative injector;

the air inlet pipe is arranged at the joint of the quantitative injector and the micro air pump;

the air bag is connected to the inner wall of the quantitative injector and tightly attached to the outer surface of the Murphy dropper, and the miniature air pump is communicated with the air bag through the air inlet pipe.

Preferably, the pressure regulating cylinder further comprises:

the air pressure sensor is embedded in the inner top of the pressure regulating cylinder;

and the threaded seat is arranged in the middle of the lower surface of the pressure regulating cylinder.

Preferably, the pressure regulating plug further comprises:

a servo motor installed inside the pressure regulating plug;

and the screw rod is connected to the lower end of the servo motor and is in threaded connection with the threaded seat.

Preferably, the control panel further comprises:

the display screen is embedded at the left position of the front side surface of the control panel;

a pressure adjustment key installed at a right side of the display screen;

a controller installed below the display screen;

a reset key installed at a right side of the controller;

a function selection key installed at a lower position of a front side surface of the control panel;

and the switch key is arranged in the middle position of the function selection key.

Preferably, the function selection key further includes:

an organization key installed at a right left position of the on-off key;

a bile key installed at an upper left corner of the on-off key;

the sputum key is arranged at a position right above the switch key;

the blood key is arranged at the upper right corner of the switch key;

and the humidifying key is arranged at the right position of the switch key.

Compared with the prior art, the utility model has the following beneficial effects:

the sputum aspirating device is simple in structure and convenient to use, the concentration of different hydrops is analyzed through the concentration sensor, then the pressure regulating cylinder is enabled to automatically regulate the pressure, the most appropriate negative pressure required by the sputum aspirating device is regulated according to the aspiration of different hydrops such as tissues, bile, blood and sputum, the injury to a patient is reduced, the use safety is higher, and meanwhile, the humidifying liquid can be automatically injected to automatically humidify thick sputum to enable the sputum to become thin and facilitate the aspiration through the detection of the concentration of the sputum;

the volume sensor can detect the volume of the humidification liquid in the Murphy's dropper, the volume of the humidification liquid quantitatively added to the volume sensor can be set to be 5ml or 10ml in the earlier stage by adjusting the height of the volume sensor, and then under the condition that the volume of the Murphy's dropper is certain, a proper amount of humidification liquid is automatically injected, so that the injection amount of the humidification liquid is convenient to control, the micro air pump can inflate the inside of the air bag through the air inlet pipe, the air bag is expanded, so that the air bag extrudes the Murphy's dropper, and the injection operation of the humidification liquid is completed;

atmospheric pressure sensor can detect the pressure size of a pressure regulating section of thick bamboo top, the screw rod with the rotation in-process of screw thread seat, can drive the pressure regulating stopper and reciprocate to the pressure size in the space of pressure regulating section of thick bamboo top is adjusted in the convenience, and screw rod surface screw thread sculpture is meticulous, be favorable to improving pressure adjustment's fineness, set up function selection key and can transfer controller internal data, realize a key and adjust to the corresponding pressure value that attracts the liquid is suitable, it is more convenient to use.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the sectional structure of the Murphy's dropper and the quantitative injector according to the present invention;

FIG. 3 is a schematic view of the internal cross-sectional structure of the pressure regulating cylinder of the present invention;

FIG. 4 is a schematic front view of a control panel according to the present invention;

FIG. 5 is a schematic view of a function selection key frame of the present invention;

fig. 6 is a flow chart of the present invention.

In the figure: 1. a tracheal tube; 2. a closed sputum suction tube; 201. a respirator connecting pipe; 202. a concentration sensor; 203. a closed sputum aspirator control valve; 3. a humidifying pipe; 4. a Murphy dropper; 5. a quantitative injector; 6. a filling pipe; 7. an infusion bag; 8. a suction tube; 10. a collection bottle; 11. a negative pressure tube; 12. a first connecting pipe; 13. a pressure regulating cylinder; 14. a pressure regulating plug; 15. a second connecting pipe; 16. a control panel; 17. a humidifying pipe; 18. a chute; 19. a capacity sensor; 20. a micro air pump; 21. an air inlet pipe; 22. an air bag; 23. an air pressure sensor; 24. a threaded seat; 25. a servo motor; 26. a screw; 27. a display screen; 28. a pressure adjustment key; 29. a controller; 30. a reset key; 31. a function selection key; 311. a tissue bond; 312. bile bonds; 313. a sputum key; 314. blood bonds; 315. a wetting bond; 32. and (5) switching a key.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-6, the automatic pressure-regulating negative pressure suction device with automatic humidification function includes:

the tail end of the tracheal catheter 1 is connected with a closed sputum suction tube 2, a humidifying tube 17 is connected above the left end of the closed sputum suction tube 2, a humidifying tube 3 is installed at the upper end of the humidifying tube 17, and a suction tube 8 is sleeved at the tail end of the closed sputum suction tube 2;

the Murphy's dropper 4 is arranged at the upper end of the humidifying pipe 3, the quantitative injector 5 is arranged on the outer side above the Murphy's dropper 4, the top end of the Murphy's dropper 4 is connected with the filling pipe 6, and the top end of the filling pipe 6 is connected with the infusion bag 7;

the collecting bottle 10 is connected below the suction tube 8, the upper right corner of the collecting bottle 10 is connected with a negative pressure tube 11, and the negative pressure tube 11 and the suction tube 8 are communicated with the inside of the collecting bottle 10;

the first connecting pipe 12 is connected with the right end of the negative pressure pipe 11 through a check valve, the right end of the first connecting pipe 12 is provided with a pressure regulating cylinder 13, a pressure regulating plug 14 is arranged inside the pressure regulating cylinder 13, the right side of the pressure regulating cylinder 13 is connected with a second connecting pipe 15, a control panel 16 is arranged above the pressure regulating cylinder 13, the control panel 16 is electrically connected with the quantitative injector 5,

the closed sputum suction tube 2 further comprises:

a ventilator connection tube 201 located below the left end of the closed sputum aspirator tube 2;

the concentration sensor 202 and the closed sputum suction tube control valve 203 are mounted at the tail end of the closed sputum suction tube 2, the concentration sensor 202 is located at the left end of the closed sputum suction tube control valve 203, the concentration sensor 202 is electrically connected with the control panel 16, the concentration of different effusion is analyzed through the concentration sensor 202, then the pressure regulating cylinder 13 is enabled to automatically regulate the pressure, the required most appropriate negative pressure is regulated according to the suction of different effusion such as tissues, bile, blood, sputum and the like, the harm to a patient is further reduced, and the use safety is higher;

a closed sputum aspirator control valve 203, which is installed at the right end of the concentration sensor 202,

the quantitative injector 5 further includes:

a slide groove 18 provided on the front side surface of the quantitative injector 5;

a capacity sensor 19 slidably mounted inside the chute 18;

a micro air pump 20 fixed to an outer side surface of the quantitative injector 5;

an air inlet pipe 21 installed at a connection of the quantitative injector 5 and the micro air pump 20;

an air bag 22 connected to the inner wall of the quantitative injector 5 and closely attached to the outer surface of the Murphy's dropper 4, a communication structure is formed between the micro air pump 20 and the air bag 22 through the air inlet pipe 21, the micro air pump 20 can inflate the air bag 22 through the air inlet pipe 21 to inflate the air bag 22, so that the air bag 22 extrudes the Murphy's dropper 4 to complete the operation of injecting the wetting liquid,

the pressure regulating cylinder 13 further comprises:

the air pressure sensor 23 is embedded at the inner top of the pressure regulating cylinder 13, and the air pressure sensor 23 can detect the pressure above the pressure regulating cylinder 13;

a screw seat 24 which is arranged at the middle position of the lower surface of the pressure regulating cylinder 13,

the pressure regulating plug 14 further comprises:

a servo motor 25 installed inside the pressure regulating plug 14;

a screw rod 26 connected with the lower end of the servo motor 25 and in threaded connection with the threaded seat 24, wherein the screw rod 26 can drive the pressure regulating plug 14 to move up and down in the rotating process of the threaded seat 24 so as to adjust the pressure in the space above the pressure regulating cylinder 13, and the surface of the screw rod 26 is finely engraved in threads, which is beneficial to improving the fineness of pressure adjustment,

the control panel 16 further includes:

a display screen 27 mounted on the control panel 16 at a position on the left side of the front surface thereof;

a pressure adjustment key 28 installed on the right side of the display screen 27;

a controller 29 installed below the display screen 27;

a reset key 30 installed at the right side of the controller 29;

the function selection key 31 is arranged at the lower position of the front side surface of the control panel 16, and the function selection key 31 can be arranged to adjust the internal data of the controller 29, so that the pressure value suitable for sucking the liquid can be adjusted by one key, and the use is more convenient;

an on-off key 32 installed at a central position of the function selection key 31,

the function selection key 31 further includes:

an organization key 311 installed at a right left position of the on-off key 32;

a bile key 312 installed at an upper left corner position of the on-off key 32;

a sputum button 313 installed at a position right above the on/off button 32;

a blood key 314 installed at the upper right corner of the on/off key 32;

and a humidification key 315 installed at a right position of the on/off key 32.

The working principle is as follows: for the automatic pressure-regulating negative pressure suction device with the automatic humidification function, firstly, the tracheal catheter 1 is connected with the closed sputum suction tube 2, accessories assembled at the front end of the closed sputum suction tube control valve 203 are all disposable, the tracheal catheter 1 is firstly placed at the position needing suction, the respirator connecting tube 201 is connected with a respirator, the quantitative injector 5 is sleeved outside the Murphy dropper 4, the Murphy dropper 4 is led into the quantitative injector 5 through the chute 18, in the normal power supply state, the air pressure sensor 23 can detect the pressure of the space above the pressure regulating cylinder 13 and transmit data to the controller 29, the controller 29 transmits the data to the display screen 27 for display, then the switch 32 on the control panel 16 is firstly pressed to start the whole device, the storage battery is arranged in the control panel 16, so that the automatic pressure regulation operation in a short time can be met during power failure, when any tissue key 311, bile key 312, sputum key 313, blood key 314 or humidification key 315 in the function selection key 31 is pressed, a function to be attracted is selected;

supposing that sputum needs to be sucked, the sputum key 313 is pressed at the moment, the sputum key 313 adjusts internal data of the controller 29, so that the pressure above the pressure regulating cylinder 13 needs to be adjusted to the maximum value of the sputum sucking pressure, the controller 29 controls the servo motor 25 to be started, the servo motor 25 drives the screw rod 26 to rotate, a thread effect is generated between the screw rod 26 and the thread seat 24, the screw rod 26 is screwed downwards or upwards to drive the pressure regulating plug 14 to move up and down, the internal pressure of the pressure regulating cylinder 13 is adjusted to a set value, then fine adjustment can be performed within the pressure range of sputum pressure suction by pressing the pressure adjusting key 28, electric adjustment is realized, and when the sputum is in a power failure state, the negative pressure center meter is externally connected through the second connecting pipe 15, and manual adjustment can be conveniently performed through the negative pressure center meter;

when the concentration sensor 202 detects that the sputum concentration is too thick, the automatic humidification function is started, if the automatic humidification function is insensitive, manual humidification can be adopted, the humidification key 315 is pressed, the controller 29 controls the micro air pump 20 to be started, the micro air pump 20 conveys air to the inside of the air bag 22 through the air inlet pipe 21, the air bag 22 inflates and inflates the air bag 22, the air bag 22 compresses the murphy dropper 4, the humidification liquid in the murphy dropper 4 is extruded, the humidification liquid flows into the closed sputum suction pipe 2 along the humidification pipe 3 and the humidification pipe 17, the sputum is diluted, the sputum can be sucked, meanwhile, the capacity sensor 19 can detect the humidification liquid amount in the murphy dropper 4, the installation height of the capacity sensor 19 relative to the chute 18 in the early stage can be set and controlled to be a fixed value (5ml or 10ml), after the filling is completed, the gasbag 22 withdraws the former state, infusion bag 7 is through filling tube 6 to the inside fluid infusion of Murphy's formula burette 4 simultaneously, after pressure regulating section of thick bamboo 13 is inside to reach the pressure of suitable attraction, pressure regulating section of thick bamboo 13 makes the receiving flask 10 be in this negative pressure state through negative pressure pipe 11 and connecting pipe 12, open closed sputum aspirator control valve 203, make endotracheal tube 1 head end have the negative pressure appeal, the sputum is inhaled endotracheal tube 1, inhale sputum 2 and inhale inside pipe 8 entering receiving flask 10 along the closed sputum aspirator, after accomplishing the attraction, press reset key 30, make each link data reset and resume to the normal position, just so accomplish the use of whole automatic pressure regulating negative pressure suction device of taking automatic humidification function.

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

Claims (7)

1. Automatic pressure regulating negative pressure suction device of automatic humidifying function in area, its characterized in that includes:

the sputum aspirator comprises a tracheal catheter (1), wherein the tail end of the tracheal catheter (1) is connected with a closed sputum aspirator tube (2), the upper part of the left end of the closed sputum aspirator tube (2) is connected with a humidifying tube (17), the upper end of the humidifying tube (17) is provided with a humidifying tube (3), and the tail end of the closed sputum aspirator tube (2) is sleeved with a suction tube (8);

the Murphy's dropper (4) is arranged at the upper end of the humidifying pipe (3), a quantitative injector (5) is arranged on the outer side above the Murphy's dropper (4), the top end of the Murphy's dropper (4) is connected with a filling pipe (6), and the top end of the filling pipe (6) is connected with an infusion bag (7);

the collecting bottle (10) is connected below the suction tube (8), the upper right corner of the collecting bottle (10) is connected with a negative pressure tube (11), and the negative pressure tube (11) and the suction tube (8) are communicated with the inside of the collecting bottle (10);

connecting pipe (12), connect in through the check valve in the right-hand member of negative pressure pipe (11), a pressure regulating section of thick bamboo (13) is installed to the right-hand member of connecting pipe (12), the internally mounted of a pressure regulating section of thick bamboo (13) has pressure regulating plug (14), the right side of a pressure regulating section of thick bamboo (13) is connected with connecting pipe two (15), control panel (16) are installed to the top of a pressure regulating section of thick bamboo (13), control panel (16) with ration injection ware (5) electric connection.

2. The automatic pressure-regulating negative pressure suction device with the automatic humidification function as claimed in claim 1, wherein the closed sputum suction tube (2) further comprises:

a respirator connecting pipe (201) which is positioned below the left end of the closed sputum suction pipe (2);

the concentration sensor (202) and the closed sputum suction tube control valve (203) are mounted at the tail end of the closed sputum suction tube (2), the concentration sensor (202) is located at the left end of the closed sputum suction tube control valve (203), and the concentration sensor (202) is electrically connected with the control panel (16).

3. The automatic pressure-regulating negative pressure suction device with the automatic humidification function as claimed in claim 1, wherein the quantitative injector (5) further comprises:

a slide groove (18) provided on the front side surface of the quantitative injector (5);

a capacity sensor (19) slidably mounted inside the chute (18);

a micro air pump (20) fixed on the outer side surface of the quantitative injector (5);

the air inlet pipe (21) is arranged at the joint of the quantitative injector (5) and the micro air pump (20);

and the air bag (22) is connected to the inner wall of the quantitative injector (5) and tightly attached to the outer surface of the Murphy's dropper (4), and the miniature air pump (20) is communicated with the air bag (22) through the air inlet pipe (21).

4. The automatic pressure-regulating negative pressure suction device with the automatic humidification function as claimed in claim 1, wherein the pressure-regulating cylinder (13) further comprises:

the air pressure sensor (23) is embedded in the inner top of the pressure regulating cylinder (13);

and the threaded seat (24) is arranged in the middle of the lower surface of the pressure regulating cylinder (13).

5. The automatic pressure-regulating negative pressure suction device with the automatic humidification function as claimed in claim 4, wherein the pressure-regulating plug (14) further comprises:

a servo motor (25) mounted inside the pressure regulating plug (14);

and the screw rod (26) is connected to the lower end of the servo motor (25) and is in threaded connection with the threaded seat (24).

6. The automatic pressure-regulating negative pressure suction device with the automatic humidification function as claimed in claim 1, wherein the control panel (16) further comprises:

a display screen (27) embedded at a position on the left side of the front side surface of the control panel (16);

a pressure adjustment key (28) mounted on the right side of the display screen (27);

a controller (29) mounted below the display screen (27);

a reset key (30) mounted on the right side of the controller (29);

a function selection key (31) mounted at a position below a front side surface of the control panel (16);

and a switch key (32) installed at a middle position of the function selection key (31).

7. The automatic pressure-regulating negative pressure suction device with the automatic humidification function as claimed in claim 6, wherein the function selection key (31) further comprises:

a tissue key (311) installed at a right left position of the on-off key (32);

a bile key (312) installed at an upper left corner position of the on-off key (32);

a sputum key (313) installed at a position right above the on-off key (32);

a blood key (314) installed at an upper right corner position of the on-off key (32);

a humidification key (315) mounted at a right-hand position of the on-off key (32).

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