CN212522635U - Tracheal catheter for preventing respiratory tract droplet and aerosol from spreading - Google Patents

Abstract

The utility model discloses a prevent endotracheal tube of respiratory track droplet and aerosol propagation, include endotracheal tube main part and inhale phlegm side pipe, the linking pipe that is connected with breathing screwed pipe is installed to the up end mouth of endotracheal tube main part, and links up the disposable respiratory filter of pipe upper end mountable, the side surface mounting of endotracheal tube main part has thin pipe, and the left port of thin pipe is connected with the test air pocket, the surface mounting who inhales phlegm side pipe has the screw thread skin, and the outer outside of screw thread has cup jointed the nut, the nut top with inhale the phlegm side intertube have the frenulum to connect, just it is fixed with the flap to inhale the lumen internal fixation of phlegm side pipe. The main characteristics of the device are that the sputum suction pipe inserted into the sputum suction side pipe can be closed in time after being pulled out through the flap, so that the spittle splash caused by breathing or choking when the patient pulls out the tracheal catheter to suck the sputum when recovering the spontaneous respiration and extubating can be avoided, and the oxygen supply of the patient can not be influenced.

Description

Tracheal catheter for preventing respiratory tract droplet and aerosol from spreading

Technical Field

The utility model relates to a trachea cannula technical field specifically is a prevent trachea cannula patient before the off-line, respiratory track droplet and aerosol propagation when inhaling phlegm trachea catheter.

Background

Endotracheal tubes are medical devices that are inserted into the trachea and/or bronchi of a patient to create a temporary artificial airway for general anesthesia surgery patients, particularly patients who are unable to breathe spontaneously.

At present, because the transmission routes of the new coronary pneumonia are contact transmission, especially droplet transmission, and high-concentration aerosol transmission in a closed space, when a patient recovers spontaneous breathing and takes off a trachea, when a tracheal catheter is pulled out for sputum suction, the patient is choked to cause spittle to form virus or bacteria transmission, and therefore, the tracheal catheter for preventing respiratory droplet and aerosol transmission is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a prevent endotracheal tube of respiratory track droplet and aerosol propagation to cut off the propagation way (contact propagation, especially droplet propagation) of the new crown pneumonia that proposes in the above-mentioned background art, and the aerosol of high concentration is propagated in inclosed space, thereby solve when the patient resumes autonomic breathing and takes off the pipe and extract endotracheal tube and inhale phlegm, lead to the saliva to splash because of breathing or chocing and form the problem that virus or bacterium propagated.

In order to achieve the above object, the utility model provides a following technical scheme: an endotracheal tube for preventing respiratory droplets and aerosol from spreading, which comprises an endotracheal tube main body and a sputum suction side tube, wherein the upper port of the endotracheal tube main body is provided with a connecting tube connected with a breathing threaded tube, and the upper end of the connecting pipe can be provided with a disposable breathing filter, the side surface of the tracheal catheter main body is provided with a thin catheter, and the left port of the thin catheter is connected with a small testing air bag, the far end of the tracheal catheter main body is attached with a sleeve-shaped inflatable cuff, the inflatable cuff is connected with the small testing air sac by a thin catheter, the sputum suction side tube is arranged above the thin catheter, the right side of the sputum suction side pipe is penetrated with an oxygen suction side pipe, the outer surface of the sputum suction side pipe is provided with a threaded outer layer, and the outer side of the thread is sleeved with a screw cap, the top end of the screw cap is connected with the sputum suction side tube through a lacing, and a valve is fixed in the tube cavity of the sputum suction side tube.

Preferably, the connection mode between the connecting pipe and the tracheal catheter body is a sleeve connection.

Preferably, the connection mode between the test small balloon and the lower port of the thin catheter is a communication structure, and the thin catheter and the inflatable cuff form the communication structure.

Preferably, the sputum suction side tube penetrates through the side surface of the endotracheal tube main body, and the screw cap and the upper ports of the sputum suction side tube and the oxygen inhalation side tube form a sealing structure through threads.

Preferably, the oxygen inhalation side tube and the sputum inhalation side tube form a three-way structure, and the aperture of the oxygen inhalation side tube is matched with the standard nasal plug.

Preferably, the valve consists of four groups of fan-shaped plastic plate bodies, and the valve and the sputum suction side tube form a closed structure.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the tracheal catheter tube can utilize the sputum suction side tube and the oxygen suction side tube of the three-way structure to insert the sputum suction tube, and can also suck oxygen to complement interference, so that the tracheal catheter tube has strong applicability;

2. the device can seal and close the ports of the sputum suction side tube and the oxygen suction side tube by utilizing the threaded connection between the screw cap and the threaded outer layer when the catheter is connected with a breathing machine, and keep the sterile environment in the catheter;

3. the device can make the sputum suction pipe inserted into the sputum suction side pipe close the outlet of the sputum suction side pipe in time when being drawn out through the flap, thereby avoiding the spittle splash of the patient caused by breathing or choking, and preventing the spread of virus and bacteria.

Drawings

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

FIG. 2 is a partial enlarged view of the position A of the present invention;

FIG. 3 is a schematic view showing the sputum aspirating side tube of FIG. 2 according to the present invention in an open state;

fig. 4 is a structural schematic diagram of the sputum suction side tube of the utility model in a closed state.

In the figure: 1. a tracheal tube body; 2. connecting the pipe; 3. a thin catheter; 4. testing the small air bag; 5. a cuff-like inflatable cuff; 6. a sputum suction side tube; 7. an outer layer of threads; 8. a nut; 9. an oxygen uptake side tube; 10. a valve.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Please refer to fig. 1-4, the present invention provides a technical solution: a tracheal catheter for preventing respiratory tract spray and aerosol propagation comprises a tracheal catheter main body 1 and a sputum suction side tube 6, wherein a connection tube 2 connected with a respirator threaded tube is installed at an upper port of the tracheal catheter main body 1, a disposable respiratory filter can be installed at the upper end of the connection tube 2, a thin catheter 3 is installed on the side surface of the tracheal catheter main body 1, a test small air bag 4 is connected to the left port of the thin catheter 3, a sleeve-shaped inflatable cuff 5 is attached to the distal end of the tracheal catheter main body 1, the inflatable cuff 5 is connected with the test small air bag 4 through the thin catheter 3, the sputum suction side tube 6 is installed above the thin catheter 3, an oxygen suction side tube 9 penetrates through the right side of the sputum suction side tube 6, a threaded outer layer 7 is installed on the outer surface of the sputum suction side tube 6, a nut 8 is sleeved on the outer side of the threaded outer layer 7, the top end of the nut 8 is connected with the sputum suction side tube 6 through a lace, a flap 10 is fixed in a lumen of the sputum, the connection mode between the connecting pipe 2 and the tracheal catheter main body 1 is socket joint connection, the connection mode between the small testing air bag 4 and the lower port of the thin catheter 3 is a communicating structure, and the thin catheter 3 and the inflatable cuff 5 form the communicating structure, the device has the function that the sputum suction side pipe 6 penetrates through the side surface of the tracheal catheter main body 1 through a special structure, so that the catheter can insert the sputum suction pipe by using the sputum suction side pipe 6 and the oxygen suction side pipe 9 of a three-way structure, can suck oxygen and has complementary interference, and has strong practical capability;

the sputum suction side tube 6 penetrates through the side surface of the tracheal catheter main body 1, the screw cap 8 and the upper ports of the sputum suction side tube 6 and the oxygen suction side tube 9 form a sealing structure through threads, the oxygen suction side tube 9 and the sputum suction side tube 6 form a three-way structure, the aperture of the oxygen suction side tube 9 is matched with a standard nasal plug, and the device has the effects that the threaded outer layer 7 is fixed on the outer surfaces of the ports of the sputum suction side tube 6 and the oxygen suction side tube 9, when the catheter is connected with a respirator, the ports of the sputum suction side tube 6 and the oxygen suction side tube 9 can be sealed and closed through threaded connection between the screw cap 8 and the threaded outer layer 7, and the sterile environment inside the catheter is kept;

the flap 10 comprises four groups of fan-shaped plastic plate bodies, and the flap 10 forms a closed structure with the sputum suction side tube 6, and the effect is that the device can make the sputum suction tube inserted into the sputum suction side tube 6 close the outlet of the sputum suction side tube 6 in time when being drawn out through the flap 10, thereby avoiding the spittle splash of the patient caused by breathing or choking, and preventing the spread of virus and bacteria.

The working principle is as follows: for the tracheal catheter, the device mainly comprises a tracheal catheter main body 1 and a sputum suction side tube 6, the device is designed to prevent saliva splashing caused by coughing when a patient pulls out and sucks sputum after recovering spontaneous respiration, prevent virus and bacteria from spreading, realize connection with a respirator threaded tube through a connecting tube 2, penetrate through the sputum suction side tube 6 on the side of the traditional tracheal catheter, penetrate through an oxygen suction side tube 9 on the side surface of the sputum suction side tube 6, the aperture of the oxygen suction side tube 9 conforms to the aperture of a standard nasal plug, arrange a threaded outer layer 7 on the surfaces of the sputum suction side tube 6 and the oxygen suction side tube 9, realize sealing of the ports of the sputum suction side tube 6 and the oxygen suction side tube 9 by utilizing threaded connection between a nut 8 and the threaded outer layer 7 before use, when the use is needed, screw out two groups of nuts 8 through threads, and cannot fall off due to the traction of a connecting line, the oxygen inhalation side tube 9 can be connected with an oxygen inhalation nasal plug, the sputum inhalation tube can be inserted into the port of the sputum inhalation side tube 6, because the flap 10 made of plastic materials is arranged in the cavity of the sputum inhalation side tube 6, the opening of the flap 10 is closed when the sputum inhalation side tube is not used, when the sputum inhalation tube is inserted into the flap 10, the flap 10 is unfolded, when the sputum inhalation is finished and the sputum inhalation is pulled out, the flap 10 is restored, and the mouth of the sputum inhalation side tube 6 is closed.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a prevent endotracheal tube of respiratory droplet and aerosol propagation, includes endotracheal tube main part (1) and inhales phlegm side pipe (6), its characterized in that: the utility model discloses a sputum suction device, including endotracheal tube main part (1), tracheal tube main part (1) and test ballonet (4), the last port of tracheal tube main part (1) is installed and is connected with the linking pipe (2) that breathe the screwed pipe and connect the disposable breathing filter of pipe (2) upper end mountable, thin pipe (3) is installed to the side surface of endotracheal tube main part (1), and the left port of thin pipe (3) is connected with test ballonet (4), the distal end of endotracheal tube main part (1) is with cuff form inflatable cuff (5), and inflatable cuff (5) is by thin pipe (3) and test ballonet (4) interconnect, inhale sputum side pipe (6) and install in the top of thin pipe (3), and the right side of inhaling sputum side pipe (6) runs through there is oxygen uptake side pipe (9), the surface mounting of inhaling sputum side pipe (6) has screw thread outer (7), and the outside of screw thread outer (7) has cup jointed nut (8), there is the frenulum connection between nut (8) top and inhaling, and a valve (10) is fixed in the lumen of the sputum suction side tube (6).

2. The endotracheal tube for preventing the spread of respiratory droplets and aerosols as claimed in claim 1, wherein: the connecting pipe (2) and the tracheal catheter main body (1) are connected in a sleeved mode.

3. The endotracheal tube for preventing the spread of respiratory droplets and aerosols as claimed in claim 1, wherein: the connection mode between the small testing air bag (4) and the lower port of the thin catheter (3) is a communication structure, and the thin catheter (3) and the inflatable cuff (5) form a communication structure.

4. The endotracheal tube for preventing the spread of respiratory droplets and aerosols as claimed in claim 1, wherein: the sputum suction side tube (6) penetrates through the side surface of the endotracheal tube main body (1), and the screw cap (8) and the upper ports of the sputum suction side tube (6) and the oxygen inhalation side tube (9) form a sealing structure through threads.

5. The endotracheal tube for preventing the spread of respiratory droplets and aerosols as claimed in claim 1, wherein: the oxygen inhalation side tube (9) and the sputum aspiration side tube (6) form a three-way structure, and the aperture of the oxygen inhalation side tube (9) is matched with the standard nasal plug.

6. The endotracheal tube for preventing the spread of respiratory droplets and aerosols as claimed in claim 1, wherein: the valve (10) is composed of four groups of fan-shaped plastic plate bodies, and the valve (10) and the sputum suction side tube (6) form a closed structure.

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