CN211094115U - Cough ability assessment instrument - Google Patents

Abstract

The utility model relates to a cough ability assessment instrument, which comprises an air outlet component; one end of the air outlet assembly is connected with a measuring assembly through a connector; the air outlet end of the connector is connected with the air outlet assembly, and the measuring end of the connector is connected with the measuring assembly; the connector is of a through structure, an air outlet blocking piece is arranged in an inner cavity of the connector, the air outlet blocking piece can only be opened to a measuring end in a one-way mode, an air inlet assembly is arranged on the side wall of the connector, the air inlet assembly is of a through structure, an air inlet blocking piece is arranged in the inner cavity of the air inlet assembly, and the air inlet blocking piece can only be opened to the inner cavity of the connector in a one-way mode; the measuring assembly is used for measuring the volume of gas entering the measuring assembly; the beneficial effects are that: the cough exhaled gas is contained through the balloon-like device, so that the breathing intensity can be better reflected; the gas path plugging device has better precision, is not easy to leak gas and can plug the gas path in time.

Description

Cough Ability Assessor

technical field

The utility model belongs to the field of medical auxiliary equipment, in particular to a cough ability evaluation mechanism.

Background technique

At present, in some diseases, such as airway obstruction diseases, tracheotomy is a commonly used treatment method and an important rescue method for critically ill patients. The main basis for extubation after tracheotomy is stable vital signs, strong spontaneous breathing, Cough is strong, can clear the respiratory tract voluntarily and effectively, and other response characteristics to judge.

Assessing the ability to expectorate sputum in patients with endotracheal intubation is an important part of judging the success of endotracheal intubation.

For example, a cough ability evaluation device disclosed in CN206026308U uses filter paper to detect the cough exuding liquid, so as to realize the evaluation of cough ability; in clinical operation, one method is to place the filter paper close to the mouth, and the other method Align the air outlet assembly with the test filter paper;

However, this device cannot better characterize the patient's coughing ability (such as cough intensity). For example, when the patient coughs, a large amount of secreted liquid will stay in the air outlet assembly, so that the secreted liquid cannot be well ejected from the air outlet assembly. , thus affecting the evaluation results. For another example, when the filter paper is directly aimed at the mouth, the distribution of the liquid sprayed from the mouth is random, and it cannot well characterize the cough intensity.

Utility model content

In view of the above problems, the present utility model provides a cough ability evaluation instrument, which mainly solves the problems that the existing technology cannot well realize the monitoring and evaluation of cough intensity.

In order to solve the above problems, the utility model adopts the following technical solutions:

Cough capacity assessment device, including air outlet components;

One end of the air outlet assembly is connected with a measuring assembly through a connector;

The air outlet end of the connector is connected to the air outlet assembly, and the measurement end is connected to the measurement assembly;

The connector has a mid-pass structure, and its inner cavity is provided with an air outlet baffle, and the air outlet baffle can only be opened in one direction to the measuring end,

The side wall of the connector is provided with an air intake assembly, the air intake assembly is a mid-pass structure, and an air intake baffle is arranged in the inner cavity of the air intake assembly, and the air intake baffle can only reach the inner cavity of the connector. to open;

The measuring assembly is used to measure the volume of gas entering it.

In one aspect, the measurement assembly is an inflation balloon.

In one aspect, an airbag is provided at one end of the air outlet assembly away from the connector, and the airbag is inflated after being inflated.

On the one hand, the airbag is connected with an inflatable tube.

On the one hand, the air outlet baffle is an elastic baffle, the inner wall of the connector is provided with an outlet seal ring matched with the air outlet baffle, and the inner diameter of the air outlet seal ring is smaller than the outer diameter of the air outlet baffle.

On the one hand, the intake baffle is an elastic baffle, the inner wall of the intake assembly is provided with an intake sealing ring matching the intake baffle, and the inner diameter of the intake sealing ring is smaller than that of the intake baffle the outer diameter.

In one aspect, the outer port of the air intake assembly is provided with a filter sheet.

On the one hand, the air outlet baffle has a tendency to keep the inner cavity of the connector blocked, and the air inlet baffle has a tendency to block the air intake assembly.

On the one hand, the edges of the air outlet baffle and the air inlet baffle are provided with seals.

In one aspect, the air outlet assembly is detachably connected to the connector.

On the one hand, a ventilation hole is opened in the sliding cavity of the side wall of the connector; the ventilation hole is matched with a sliding block, and the outer side of the sliding block is provided with an opening, and the sliding block can slide slide in the cavity.

On the one hand, the sliding block is shaped like a "U"; the outer part of the sliding block can slide in the sliding cavity, and the inner part moves in the inner cavity of the connector.

On the one hand, the ventilation hole is opened between the air outlet sealing ring and the air outlet end, and the opening hole is located in the middle of the outer part; when the sliding stopper slides toward the air outlet end, the end of the outer part can cover all parts of the outer part. The inner side of the ventilation hole can be in contact with the air outlet baffle.

The beneficial effects of the present utility model are:

1. The cough exhaled gas is stored by the balloon-like device, which can better reflect the breathing intensity;

2. It has good accuracy, is not easy to leak, and can block the gas path in time;

3. Equipped with air intake components, which does not affect the normal breathing of patients;

4. It is easy to adjust and switch between coughing and breathing by setting sliding blocks and ventilation holes.

Description of drawings

Fig. 1 is a kind of structural representation of the utility model;

Fig. 2 is a schematic diagram of the closed state of the air circuit of a connector of the present invention;

Fig. 3 is a schematic diagram of the open state of a connector air circuit of the present invention;

Figure 4 is a schematic diagram of the air circuit structure of a connector of the present invention;

FIG. 5 is a schematic diagram of the state of a connector of the present invention when air is in and out;

6 is a schematic exploded schematic diagram of a partial structure of a connector of the present invention;

7 is a schematic diagram of a partial structure of a connector of the present invention;

FIG. 8 is a schematic structural diagram of the open and closed state of the ventilation hole of the present invention.

In the picture:

10 air outlet assembly, 20 connector, 30 measurement assembly, 101 air bag, 21 measurement end, 22 air outlet end, 23 air inlet assembly, 24 vent hole, 25 sliding block, 200 sliding cavity, 211 air outlet baffle, 212 air outlet sealing ring , 231 intake baffle, 232 intake seal ring, 252 inner side.

Detailed ways

The utility model is further described below in conjunction with the accompanying drawings:

As shown in FIG. 1 , the cough ability assessor includes an air outlet assembly 10;

One end of the air outlet assembly 10 is connected with a measuring assembly 30 through the connector 20;

The air outlet end 22 of the connector 20 is connected to the air outlet assembly 10, and the measurement end 21 is connected to the measurement assembly 30;

One form of the air outlet assembly 10 is a breathing tube.

The measuring assembly 30 is used to measure the volume of gas entering it, and a technical way of the measuring assembly 30 is an inflation balloon.

One end of the air outlet assembly 10 away from the connector 20 is provided with an air bag 101. The air bag 101 expands after inflation. The air bag 101 is connected with an inflatable tube; its specific structure is similar to a common air outlet assembly.

One way is that the air outlet assembly 10 is detachably connected to the connector 20; after the connector 20 is disassembled, the air outlet assembly 10 can still be used normally. The patient coughs the gas 1-3 times and the connector 20 is disassembled.

2 and 3, the connector 20 is of a middle-through structure, and its inner cavity is provided with a gas outlet baffle 211, and the gas outlet baffle 211 can only be opened to the measurement end 21 in one direction, that is, the gas flows from the gas outlet. The end 22 can flow relatively smoothly to the measuring end 21, and the gas 23 can also relatively smoothly enter the connector 20 from the air intake assembly 23;

The side wall of the connector 20 is provided with an air intake assembly 23 , the air intake assembly 23 is of a mid-pass structure, and an air intake baffle 231 is arranged in the inner cavity of the air intake assembly 23 , and the air intake baffle 231 can only One-way opening to the inner cavity of the connector 20;

The requirements for the air inlet baffle 231 and the air outlet baffle 211 are: when the patient inhales and a negative pressure is formed in the inner cavity of the connector 20, the air inlet baffle 231 can be smoothly opened under the action of atmospheric pressure, so that the gas can enter, and when When the patient exhales, the air outlet baffle 211 can be opened under the exhalation pressure of the patient to ensure smooth flow of the gas.

Wherein, the elastic force of the inlet blocking piece 231 and the air outlet blocking piece 211 can be set to be able to realize the function of the present technology, and the smaller the elastic force setting is, the smaller the measurement error is.

With reference to the content shown in FIG. 4 , the air outlet baffle 211 is an elastic baffle, the inner wall of the connector 20 is provided with an air outlet sealing ring 212 matching the air outlet baffle 211 , and the inner diameter of the air outlet sealing ring 212 is smaller than that of the air outlet sealing ring 212 . Describe the outer diameter of the air outlet baffle 211; when the air outlet baffle 211 is closed, the edge of the air outlet baffle 211 is fitted with the air outlet sealing ring 212, so as to achieve the purpose of blocking the air path of the connector 20 through the air outlet baffle 211;

The intake baffle 231 is an elastic baffle, the inner wall of the intake assembly 23 is provided with an intake sealing ring 232 matched with the intake baffle 231, and the inner diameter of the intake sealing ring 232 is smaller than that of the intake air The outer diameter of the baffle 231; when the intake baffle 231 is closed, the edge of the intake baffle 231 is fitted with the intake sealing ring 232, so as to realize the connection between the inner cavity of the connector 20 and the outside atmospheric air path through the intake baffle 231 the purpose of the partition;

The outer port of the air intake assembly 23 is provided with a filter plate.

As shown in FIG. 2 , the air outlet baffle 211 has a tendency to block the inner cavity of the connector 20 , and the air intake baffle 231 has a tendency to block the air intake assembly 23 . When the inner cavity pressure of the connector 20 is equal to When the external atmospheric pressure is the same, the air inlet baffle 231 is closed, and when the patient does not exhale, the air outlet baffle 211 is closed;

As shown in FIGS. 6 and 7 , a ventilation hole 24 is opened in the sliding cavity 200 of the side wall of the connector 20 ; The opening 251 allows the sliding block 25 to slide in the sliding cavity 200 .

The sliding block 25 is of a "U"-like shape; the length of the outer part is longer than that of the inner part, the outer part of the sliding block 25 can slide in the sliding cavity 200, and the sliding block 25 and the inner wall of the sliding cavity 200 are sealed during the sliding process. , as is customary in the art, the inner portion 252 moves within the connector 20 lumen.

With reference to the content shown in FIG. 7 , the ventilation hole 24 is opened between the air outlet sealing ring 212 and the air outlet end 22, so that the cavity on the right side of the connector 20 can be connected to the outside atmosphere through the ventilation hole 24 to realize the air outlet operation; The opening 251 is located in the middle of the outer part; when the sliding block 25 slides toward the air outlet 22 , the end of the outer part can cover the ventilation hole 24 , and the inner part 252 can abut against it.

As shown in the upper side view of FIG. 8 , the ventilation hole 24 is closed. At this time, the air outlet flap 211 is opened to the left according to the upper side view of FIG. The cavity 200 is slid to the left, so that the position of the opening 251 and the ventilation hole 24 are staggered, so that the end portion of the outer side covers the ventilation hole 24, so as to realize the blocking operation of the ventilation hole 24;

As shown in the lower side view of FIG. 8 , the ventilation holes 24 are in an open state. At this time, the air outlet baffle 211 is in a closed state in combination with the lower picture of FIG. The baffle 211 cannot be opened to the left. At this time, the opening 251 on the outer side is opposite to the ventilation hole 24 so that the gas in the connector 20 can leave the connector 20 through the ventilation hole 24 without opening the air outlet baffle 211 .

A working mode of the present utility model is as follows:

The end of the air outlet assembly with the airbag 101 is arranged on the throat of the patient;

In the preparatory test state, as shown in FIG. 8 , adjust the sliding stopper 25 to the right end of the sliding cavity 200 , at this time, the inner side abuts the air outlet stopper 211 to restrict its opening, and the ventilation hole 24 is opposite to the opening hole 251 ; At this time, the patient is breathing normally. When he inhales, a negative pressure is formed inside the connector, and the air enters the connector cavity from the air intake assembly 23 (the air path shown in the lower side of FIG. 5 ), and then enters the human body through the air outlet assembly 10 ; When the patient exhales, the air intake baffle 231 is closed, and the gas leaves the connector from the vent hole 24, thereby ensuring that the patient breathes normally;

During the cough ability test, the patient is induced to cough by inflating the airbag 101 or other means. When the patient starts to cough, slide the sliding block 25 to the left (as shown in the upper side of Fig. 8 ). At this time, the inner part moves to the left to release the Abutting on the air outlet baffle 211 so that it can be opened by itself, the outer part moves to the left, and the ventilation hole 24 (marked by the dotted line in the upper side of FIG. 8 ) is blocked by the right end of the outer part, thereby blocking the ventilation hole 24 and the air path of the atmosphere ;

The patient coughs, combined with the air path shown in the upper side of FIG. 5 , the coughed up gas enters the connector 20 through the air outlet assembly, the air pressure of the connector 20 increases, and the air inlet baffle 231 is in a closed state, so that the air outlet baffle 211 is opened to the left, and the gas flows from The measuring end 21 enters the measuring assembly 30 to collect the gas of this cough; wherein, because the air intake assembly 23 is opened in one direction, no air leakage will occur, and the collection accuracy of the coughed gas by the patient is ensured;

The inhalation behavior of the patient during coughing. After the patient inhales, the pressure in the connector 20 decreases, the air outlet baffle 211 closes by itself, and then the air enters the connector 20 from the air intake assembly 23 .

It will be apparent to those skilled in the art that various modifications to the above embodiments can be made without departing from the general spirit and concept of the present invention. All fall within the protection scope of the present invention. The protection scheme of the present utility model is subject to the appended claims of the present utility model.

Claims (10)

1. A cough ability evaluator comprising an air outlet assembly (10); the method is characterized in that:

one end of the air outlet assembly (10) is connected with a measuring assembly (30) through a connector (20);

the air outlet end (22) of the connector (20) is connected to the air outlet assembly (10), and the measuring end (21) is connected to the measuring assembly (30);

the connector (20) is of a through structure, an air outlet baffle sheet (211) is arranged in the inner cavity of the connector, the air outlet baffle sheet (211) can only be opened towards the measuring end (21) in a single direction,

the side wall of the connector (20) is provided with an air inlet assembly (23), the air inlet assembly (23) is of a through structure, an air inlet blocking piece (231) is arranged in the inner cavity of the air inlet assembly (23), and the air inlet blocking piece (231) can only be opened to the inner cavity of the connector (20) in a one-way mode;

the measurement assembly (30) is for measuring the volume of gas entering therein.

2. The cough ability assessor of claim 1, wherein: the measurement assembly (30) is an inflatable balloon.

3. The cough ability assessor of claim 1, wherein: an air bag (101) is arranged at one end, away from the connector (20), of the air outlet assembly (10), and the air bag (101) expands after being inflated.

4. The cough ability assessor of claim 3, wherein: the air bag (101) is connected with an inflation tube.

5. The cough ability assessor of claim 1, wherein: the air outlet baffle piece (211) is an elastic baffle piece, an air outlet sealing ring (212) matched with the air outlet baffle piece (211) is arranged on the inner wall of the connector (20), and the inner diameter of the air outlet sealing ring (212) is smaller than the outer diameter of the air outlet baffle piece (211);

the air inlet baffle plate (231) is an elastic baffle plate, an air inlet sealing ring (232) matched with the air inlet baffle plate (231) is arranged on the inner wall of the air inlet assembly (23), and the inner diameter of the air inlet sealing ring (232) is smaller than the outer diameter of the air inlet baffle plate (231).

6. The cough ability assessor of claim 1, wherein: the air outlet flap (211) has a tendency to remain closed off from the inner cavity of the connector (20), and the air inlet flap (231) has a tendency to close off from the air inlet assembly (23).

7. The cough ability assessor of claim 6, wherein: and sealing pieces are arranged at the edges of the air outlet baffle piece (211) and the air inlet baffle piece (231).

8. The cough ability assessor of claim 1, wherein: an air hole (24) is formed in the sliding cavity (200) on the side wall of the connector (20); the air holes (24) are matched with sliding stoppers (25), the outer side parts of the sliding stoppers (25) are provided with holes (251), and the sliding stoppers (25) can slide in the sliding cavity (200).

9. The cough ability assessor of claim 8, wherein: the sliding stopper (25) is U-like; the outer side of the sliding stopper (25) can slide in the sliding cavity (200), and the inner side (252) can move in the inner cavity of the connector (20).

10. The cough ability assessor of claim 9, wherein: the air holes (24) are formed between the air outlet sealing ring (212) and the air outlet end (22), and the opening holes (251) are positioned in the middle of the outer side part; when the sliding stopper (25) can slide towards the air outlet end (22), the end part of the outer side part can cover the air vent (24), and the inner side part (252) can be abutted against the air outlet baffle sheet (211).

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