CN201668833U - Flushable double balloon tracheostomy catheter - Google Patents

Abstract

The utility model discloses a flushable double-bag tracheotomy catheter, which comprises a tube body (1) and an air bag (2), and a diaphragm (4) is arranged in the air bag (2), and the diaphragm (4) The airbag (2) is divided into an upper airbag (5) and a lower airbag (6); the upper airbag (5) and the lower airbag (6) are respectively connected to the inflator (3) through a pipeline (8). The utility model uses two airbags to inflate alternately, which reduces the local oppression on the tracheal mucosa, and avoids the secretion flowing into the lower respiratory tract caused by unconventional deflation and airbag leakage during the application of the single-bag tracheal catheter, thereby causing choking and coughing , aspiration, and severe lung infection, avoiding the formation of hospital-acquired pneumonia and other related complications and aggravating the condition; at the same time, before the two airbags are inflated alternately, irrigation fluid can be injected through the irrigation tube to wash the secretion on the airbag and the outer wall of the catheter Remove the substance and aspirate it to minimize the chance of lung infection.

Description

Flushable double balloon tracheostomy catheter

technical field

The utility model relates to a tracheotomy catheter for connecting an incised trachea and a ventilator, in particular to a flushable double-bag tracheotomy catheter with a flushing device, which belongs to the technical field of medical devices.

Background technique

In the clinical treatment of many critically ill patients, tracheal intubation (including oro-nasal or tracheotomy intubation) is usually required to ensure the patient's breathing is unobstructed. Oronasal and tracheal intubation lasts for a short time, and is mainly used for patients undergoing general anesthesia; when the patient needs artificial assisted breathing (such as ventilator-assisted breathing) and the maintenance time is long, a tracheotomy is often selected and a balloon catheter is inserted to maintain The patient breathes. At present, the high-volume hypotonic single-bag endotracheal catheter is commonly used clinically. It is characterized in that it does not need to inflate and deflate the air bag regularly, and the inner pressure of the air bag can be detected and adjusted at any time through the air bag manometer to maintain the pressure in the air bag. Between 25cmH ₂ O-30cmH ₂ O. However, there are no relevant reports on the extent of local mucosal damage to the trachea due to lack of timed deflation during the application of single-balloon balloon catheters and the time standard for detecting the internal pressure of the balloon. And in clinical work, it is found that the inflatable air bag will leak after a certain period of time. At the same time, due to the secretion of the respiratory tract itself and the secretion of the upper respiratory tract after tracheotomy, the secretion is thick and sticks to the trachea wall and The gap between the walls of the air sac is accumulated, and the conventional suction method in the tube cannot suck out the gap sputum. If the patient wears the tube for a long time, this kind of interstitial secretion is a good bacterial culture medium. When the air bag leaks, the secretion leaks into the lower respiratory tract and becomes a risk factor for ventilator-associated pneumonia. According to reports in the literature, the long-term compression of the local trachea by the balloon can cause ischemia, necrosis, inflammation, granulation tissue, and scarring of the tracheal mucosa. Although the high-volume hypotonic single-bag endotracheal tube is commonly used clinically, it is believed that non-routine deflation, inflation, and pressure adjustment are still necessary. Usually, deflation takes 5 to 10 minutes after continuous inflation for 6 hours. During the period of unconventional deflation, the secretions from the upper respiratory tract flow into the lower respiratory tract due to the loss of the barrier effect of the air bag, causing coughing, aspiration, and in severe cases, lung infection, hospital-acquired pneumonia and other related complications. illness.

Contents of the invention

The technical problem to be solved by the utility model is to provide a flushable double-bag tracheotomy catheter. The catheter can reduce the damage to the local mucous membrane of the trachea, avoid the secretion flowing into the lower respiratory tract caused by the unconventional deflation and air bag leakage of the single-bag endotracheal catheter, and then lead to coughing, aspiration and severe lung infection, thereby overcoming the current situation. Design and function deficiencies of state-of-the-art single-balloon endotracheal tubes.

In order to solve the above-mentioned technical problems, the technical scheme of the present invention is as follows: a flushable double-bag tracheostomy catheter. It includes a pipe body and an air bag, and a diaphragm is arranged in the air bag, and the diaphragm divides the air bag into an upper air bag and a lower air bag; the upper air bag and the lower air bag are respectively connected to an inflator through a pipeline.

In the above flushable double-bag tracheotomy catheter, the pipeline is arranged in the tube wall of the tube body.

In the aforementioned flushable double-bag tracheostomy catheter, the tube wall above the upper balloon is hollow, and the hollow part is the flushing tube; the tube wall below the upper balloon parallel to the beginning is solid.

In the aforementioned flushable double-bag tracheostomy catheter, the flushing tube is divided into an upper port and a lower port, the upper port extends 5 cm outward with a pipe with a diameter of 0.3 cm, and the lower port is placed 0.5-1.0 cm above the upper balloon at the tube wall.

In the aforementioned flushable double-bag tracheostomy catheter, the lower opening is elliptical, with a diameter of 0.2×0.4 cm, and one is symmetrically arranged on the left and right sides, and the trachea at the lower end of the lower opening is sealed.

In the aforesaid flushable double-bag tracheotomy catheter, a flushing valve is installed on the upper opening extension tube.

Beneficial effects of the utility model: Compared with the prior art, the utility model aims at the defects of the existing single-bag endotracheal catheter, and improves its shape and function, so as to achieve more complete functions and more convenient use. Effect. The basic working principle of the utility model is the same as that of the single-bag endotracheal catheter, but the single-bag is changed into double-bag, and an additional flushing tube is added on the outer wall of the gap between the two bags. Its purpose is: ① two airbags are used alternately, which can reduce the pressure on the trachea and reduce the damage to the local mucosa of the trachea. ②It avoids the secretion flowing into the lower respiratory tract caused by unconventional deflation and air bag leakage during the application of the single-bag endotracheal tube, which leads to coughing, aspiration and severe lung infection, and avoids the formation of hospital-acquired pneumonia. Others Associated complications aggravate the condition. ③ Increase the function of the flushing tube: before switching from one airbag to another, inject flushing fluid (normal saline, normal saline plus an appropriate amount of antibiotic solution, etc.) into the flushing tube to flush the secretions on the balloon and the outer wall of the catheter And suck it out to minimize the chance of lung infection.

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

Fig. 2 is a cross-sectional view along line A-A of Fig. 1 .

Below in conjunction with accompanying drawing and specific embodiment, the utility model is further described.

Detailed ways

Example 1. As shown in FIG. 1 , it includes a tube body 1 and an air bag 2 , and the air bag 2 is used to seal the tube body 1 . A diaphragm 4 is arranged in the middle of the air bag 2, and the diaphragm 4 divides the air bag 2 into two air bags, an upper air bag 5 and a lower air bag 6. The upper airbag 5 and the lower airbag 6 are respectively connected to the inflator 3 through a pipeline 8 . The pipe 8 is arranged in the pipe wall 7 of the pipe body 1, and the pipe wall 7 above the upper airbag 5 is in a hollow state, and this hollow part is the flushing pipe 9; the pipe wall 7 below the beginning of the upper airbag 5 is in a solid state, flush The pipe 9 is divided into an upper port 10 and a lower port 11. The upper port 10 extends 5 cm outwards with a pipe with a diameter of 0.3 cm. A flushing valve 12 is installed on the continuation pipe of the upper port 10. When flushing, the flushing valve 12 needs to be opened, and then injected Flush liquid, close this flushing valve 12 after flushing, prevent pollution. The lower port 11 is placed on the tube wall 7 at 0.5-1.0 cm above the upper air bag, which is oval (as shown in Figure 2) and has a diameter of 0.2×0.4 cm. One is symmetrically arranged on the left and right sides, and the lower port 11 is at the lower end. The trachea is sealed.

When making, first make a tube body 1 for tracheotomy intubation, fix an air bag 2 for sealing the tube body 1 on the tube body 1, make a diaphragm 4 in the middle of the air bag 2, and divide the air bag 2 into an upper air bag 5 And lower airbag 6. Two pipes 8 that can communicate with the upper air bag 5 and the lower air bag 6 are made in the pipe wall 7 of the pipe body 1, so that the upper air bag 5 and the lower air bag 6 can be connected to an inflator 3 through a pipe 8 respectively. On the left side of the trachea opening, make a continuation tube with a diameter of 0.3 cm and a length of 5 cm as the upper port 10, and install a flushing valve 12 at the end of the upper port 10, on the tube wall 7 at 0.5-1.0 cm above the upper air bag 5 Make two symmetrical elliptical small holes as the lower port 11, the inflator 3 can directly adopt the finished product sold on the market to install, adopt the inflator 3 to carry out the operation of charging and deflated respectively to the upper airbag 5 and the lower airbag 6. The utility model utilizes the upper air bag 5 and the lower air bag 6 to inflate alternately, so as to avoid the problem caused by the local compression of the tracheal mucosa by the air bag. Before the upper air bag 5 and the lower air bag 6 are inflated alternately, the irrigation liquid can be injected into the irrigation tube 9 to flush the secretion on the air bag 2 and the outer side wall of the catheter 1 and suck it out.

The implementation of the utility model is not limited to the above-mentioned examples, and various changes made on the premise of not departing from the gist of the utility model all fall within the protection scope of the utility model.

Claims (6)

1. A flushable double-bag tracheostomy catheter, comprising a tube body (1) and a balloon (2), characterized in that: a diaphragm (4) is provided in the balloon (2), and the diaphragm (4) will The airbag (2) is divided into an upper airbag (5) and a lower airbag (6); the upper airbag (5) and the lower airbag (6) are respectively connected to the inflator (3) through a pipeline (8). 2. The flushable double-bag tracheostomy catheter according to claim 1, characterized in that: the pipeline (8) is arranged in the tube wall (7) of the tube body (1). 3. The flushable double-bag tracheostomy catheter according to claim 2, characterized in that: the tube wall (7) above the upper balloon (5) is hollow, and the hollow part is the flushing tube (9) ; The tube wall (7) below the starting end of the upper airbag (5) is in a solid state. 4. The flushable double-bag tracheostomy catheter according to claim 3, characterized in that: the flushing tube (9) is divided into an upper port (10) and a lower port (11), and the upper port (10) is divided into The pipe with a diameter of 0.3 cm extends outward for 5 cm, and the lower port (11) is placed on the pipe wall (7) at 0.5-1.0 cm above the upper air bag (5). 5. The flushable double-bag tracheostomy catheter according to claim 4, characterized in that: the lower opening (11) is elliptical, with a diameter of 0.2×0.4cm, and one is arranged symmetrically on the left and right sides , the trachea at the lower end of the lower port (11) is airtight. 6. The flushable double-bag tracheostomy catheter according to claim 4, characterized in that: a flushing valve (12) is installed on the extension tube of the upper port (10).

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