CN211705565U - Metal tracheal cannula and damp heat exchanger device convenient to connect - Google Patents

Abstract

The utility model discloses a metal trachea casing and a moisture heat exchanger device with convenient connection. The exchanger is composed of the cylindrical cavity of the exchanger, the upper end cover of the exchanger, the connecting air hole of the exchanger and the metal inner sleeve. It is fixedly connected with the inner casing connecting column, the metal inner casing is installed inside the metal outer casing, and the exchanger connector is designed at the lower end of the moisture heat exchanger. On the column, insert the upper end of the connecting silicone sleeve into the through hole of the exchanger connector, the concave-convex outer circular end face of the inner sleeve connecting column is convenient for the tight connection with the connecting silicone sleeve, and has the convenience of installation and replacement of the disposable moisture heat exchanger. Features, very practical and convenient.

Description

A metal gas pipe sleeve and a moisture heat exchanger device with convenient connection

technical field

The utility model relates to the technical field of medical equipment, in particular to a metal trachea sleeve and a moisture heat exchanger device with convenient connection.

Background technique

Clinically, tracheotomy is one of the important measures to treat critically ill patients and maintain effective ventilation. After the tracheotomy, the air is directly inhaled into the lower respiratory tract through the tracheotomy opening, losing the original nasal cavity and oral cavity's function of warming and humidifying the air, which can cause dry respiratory mucosa, thick sputum that is difficult to remove, and increase lung infection. , tracheal tube blockage and other risks. Strengthening airway humidification is the key point of care for patients after tracheotomy. Moisture heat exchanger, commonly known as artificial nose, is a filter device made of multiple layers of water-absorbing materials and hydrophilic compounds, simulating the function of a nose, filtering air when inhaling, and collecting and preserving the heat and heat in exhaled air when exhaling. In order to maintain the normal physiological function of the respiratory tract, it is one of the commonly used and effective airway humidification measures after tracheotomy in clinical practice. At present, the interface of the disposable moisture heat exchanger in clinical use is only suitable for connecting with a disposable plastic tracheal cannula, but does not match with a metal tracheal cannula and cannot be directly connected, so it is not applied to patients with a metal tracheal cannula. Airway humidification of patients who need to wear metal tracheal cannula for a long time has always been a clinical problem, especially the difficulty of home care for such patients discharged with a tube. In view of these problems, the utility model designs a metal tracheal sleeve and a moisture heat exchanger device that is easy to connect, which can make the disposable moisture heat exchanger and various types of metal tracheal sleeves firmly connected, and will not be affected by the patient's body position. Change or cough and fall off, so that it can fully play the role of locking the heat and moisture in the exhaled air, effectively prevent the drying of the respiratory mucosa, and prevent the sputum from sticking, which has very practical application and promotion value.

Utility model content

Aiming at the deficiencies of the prior art, the utility model aims to provide a metal gas pipe sleeve and a moisture heat exchanger device which are convenient to connect.

To achieve the above object, the utility model adopts the following technical solutions:

A metal trachea casing and a moisture heat exchanger device for easy connection, comprising a metal outer casing, an outer casing fixing plate, a tie mounting hole, an inner casing connecting column, a connecting silicone sleeve, an exchanger connector, an exchanger cylindrical cavity, The upper end cover of the exchanger with the opening in the middle, the connecting air hole of the exchanger and the metal inner sleeve, the metal outer sleeve is fixedly installed on the outer sleeve fixing plate, the inner sleeve connecting column is fixedly connected with the metal inner sleeve, and the metal inner sleeve is fixedly connected. It is located on the inner side of the metal outer sleeve. The tie installation hole is a long hole structure and is arranged on the left and right sides of the outer sleeve fixing plate. The connecting silicone sleeve is a cylindrical structure made of soft silicone material, and the lower end of the connecting silicone sleeve is installed on the connecting column. The upper end of the connecting silicone sleeve is inserted into the through hole of the exchanger connector to connect with the exchanger connector, the exchanger connector is installed at the lower end of the exchanger cylindrical cavity, the upper end cover of the exchanger is fixedly connected with the exchanger cylindrical cavity, and the exchanger is connected to the air hole It has a cylindrical through-hole structure and is installed on the side end face of the upper end cover of the exchanger.

Further, the diameter of the metal outer sleeve is in the range of 4-10 mm.

Further, the outer circular end surface of the inner casing connecting column is a concave-convex cylindrical structure.

Further, the hardness of the silica gel connected to the silica gel sleeve is 60°, the length is 20 mm, the inner diameter is 10 mm, the outer diameter is 16 mm, and the tube wall thickness is 3 mm.

The utility model has the following beneficial effects:

The utility model is a metal trachea casing and a moisture heat exchanger device which is convenient to connect, which is further composed of a metal outer casing, an outer casing fixing plate, a tie mounting hole, an inner casing connecting column, a connecting silicone sleeve, an exchanger connecting head, It consists of a cylindrical cavity of the exchanger, an upper end cover of the exchanger, a connecting air hole of the exchanger and a metal inner sleeve. The device innovatively adopts a connecting silica gel sleeve with a cylindrical structure between the moist heat exchanger and the connecting column of the inner casing. When in use, the gas enters the heat exchanger of the moist heat exchanger from the gap of the cross-shaped spacer structure of the upper end cover of the heat exchanger. In the cylindrical cavity, since a filter device made of multi-layer water-absorbing materials and hydrophilic compounds is installed in the cylindrical cavity of the exchanger, the air can be filtered when inhaling, and the heat and moisture in the exhaled air can be locked and stored when exhaling. In order to maintain the normal physiological function of the respiratory tract, the humidified gas passes through the inner cannula connecting column and enters the patient's trachea through the metal inner cannula; when the patient needs oxygen inhalation, it can be connected to the external oxygen inhalation device through the exchanger connecting the stomata; There is a small hole in the center of the upper end cover of the device. When suction is required, the cover can be opened, and the suction tube can be inserted through the small hole for suction; Fix the tracheal cannula on the front of the neck; in order to improve the connection firmness of the connecting silicone sleeve and the inner cannula connecting column, the outer circular end face of the inner cannula connecting column is designed to be uneven. Deformation improves sealing and prevents air leakage. During installation, the lower end of the connecting silicone sleeve can be placed on the inner sleeve connecting column, and the upper end of the connecting silicone sleeve can be inserted into the through hole of the exchanger connector. The connecting silicone sleeve made of silicone material is tightly connected with the metal inner sleeve connecting column, and the connecting silicone sleeve is fixed on the outer end face of the inner sleeve connecting column, without changing the inner diameter of the metal inner sleeve, there is no risk of increasing the airway resistance, and does not affect the The patient breathes. The device can realize the function of convenient connection between the metal trachea cannula and the disposable moisture heat exchanger, and it is easy to replace the disposable moisture heat exchanger. Moreover, the connecting silicone sleeve is made of silicone material, which is non-toxic and tasteless, easy for patients to accept, and the silicone material is resistant to high temperature and high pressure. , It can be cleaned, boiled and sterilized and used again. It is economical and practical. The silicone material has good elasticity and resilience. It can be applied to different types of tracheal cannulae and is very convenient to install. The device can be widely used in patients who need to wear a metal tracheal cannula for a long time, providing satisfactory airway humidification effect, reducing the risk of recurrent dyspnea due to blockage of the tracheal cannula, and reducing the difficulty of home care for patients discharged with a tube. It has very practical application and promotion value.

Description of drawings

1 is a schematic diagram of the overall structure of a metal trachea sleeve and a moisture heat exchanger device with convenient connection of the utility model;

Figure 2 is a schematic diagram of the internal structure of the moisture heat exchanger of a metal gas pipe sleeve and a moisture heat exchanger device with convenient connection of the utility model;

3 is a schematic diagram of the installation of a metal trachea sleeve and a moisture heat exchanger device that is easily connected to a silicone sleeve of the present invention;

4 is a schematic diagram of the installation of the tracheal duct fixing plate and the tracheal duct of a metal tracheal sleeve and a moisture heat exchanger device with convenient connection according to the present invention.

In the figure: 1. Metal outer casing; 2. Outer casing fixing plate; 3. Lace mounting hole; 4. Inner casing connecting column; 5. Connecting silicone sleeve; 6. Exchanger connector; 7. Exchanger cylindrical cavity 8. The upper end cover of the exchanger; 9. The connecting air hole of the exchanger; 10. The metal inner casing.

Detailed ways

The present utility model will be further described below with reference to the accompanying drawings and specific embodiments, so as to more clearly understand the technical idea claimed by the present utility model.

As shown in Figures 1 to 4, the utility model is a metal trachea casing and a moisture heat exchanger device that is easily connected, including a metal outer casing 1, an outer casing fixing plate 2, a tie mounting hole 3, an inner casing connecting column 4, Connect the silicone sleeve 5, the exchanger connector 6, the exchanger cylindrical cavity 7, the exchanger upper end cover 8 with the middle opening, the exchanger connecting air hole 9 and the metal inner sleeve 10, and the metal outer sleeve 1 is fixedly installed on the outer sleeve. On the fixing plate 2, the inner casing connecting column 4 is fixedly connected with the metal inner casing 10, the metal inner casing 10 is located at the inner side of the metal outer casing 1, and the tie mounting hole 3 is a long hole structure and is arranged on the outer casing fixing plate. On the left and right sides of 2, the connecting silicone sleeve 5 is a cylindrical structure made of soft silicone material, the lower end of the connecting silicone sleeve 5 is installed on the inner casing connecting column 4, and the upper end of the connecting silicone sleeve 5 is inserted into the through hole of the exchanger connector 6 Connected with the exchanger connector 6, the exchanger connector 6 is installed at the lower end of the exchanger cylindrical cavity 7, the exchanger upper end cover 8 is fixedly connected with the exchanger cylindrical cavity 7, and the exchanger connecting air hole 9 is a cylindrical through hole structure and is installed in the On the side end face of the upper end cover 8 of the exchanger.

Specifically, the diameter of the metal outer sleeve 1 ranges from 4 to 10 mm. The outer circular end surface of the inner casing connecting column 4 is a concave-convex cylindrical structure. The hardness of the silica gel connecting the silica gel sleeve 5 is 60°, the length is 20 mm, the inner diameter is 10 mm, the outer diameter is 16 mm, and the thickness of the pipe wall is 3 mm. In this embodiment, the metal part may be made of titanium material.

The working principle of the utility model is as follows: when in use, the gas enters into the exchanger cylindrical cavity 7 of the humid heat exchanger from the gap of the cross-shaped spacer structure of the upper end cover 8 of the exchanger (as shown in Figure 1, the specific upper end cover of the exchanger 8 is an opening in the middle, and the periphery of the hole extends outwards on the upper end cover of the exchanger. The edge of the upper end cover 8 of the exchanger forms a cross-shaped spaced hollow structure on the surface of the upper end cover 8 of the exchanger. The gap of the cross-shaped spacer structure of the cover 8 enters into the exchanger cylindrical cavity 7), since the filter element made of multi-layer water-absorbing material and hydrophilic compound is installed in the exchanger cylindrical cavity 7 (exchange as shown in Figure 2). The filling part in the cylindrical cavity 7 of the filter element, the hole is left in the middle of the filter element, and the filter element is kept at a certain distance from the surface of the upper end cover 8 of the exchanger, which better ensures enough space to make the gas filter more smoothly), and the air can be filtered when inhaling , during exhalation, the heat and moisture in the exhaled gas can be locked and stored to maintain the normal physiological function of the respiratory tract. The humidified gas passes through the inner cannula connecting column 4 and enters the patient's trachea through the metal inner cannula 10; when the patient needs When inhaling oxygen, it can be connected to the external oxygen inhalation device through the connecting air hole 9 of the exchanger; the center of the upper end cover 8 of the exchanger is left with a small hole with a cover (the cover can be connected to the upper end cover 8 of the exchanger, or it can be set separately. Not shown), the cover can be opened when sputum suction is required, and the suction tube can be inserted through the small hole for suction. On both sides of the outer cannula fixing plate 2 are respectively installed tie installation holes with long hole structure to facilitate the fixing of the tracheal cannula to the front of the neck; in order to improve the connection firmness of the connection between the silicone sleeve 5 and the inner cannula connecting column 4 , the outer circular end surface of the inner casing connecting column 4 is designed to be uneven, and the sealing performance is improved by the deformation of the connecting silicone sleeve 5 during installation to prevent air leakage. During installation, the lower end of the connecting silicone sleeve 5 can be placed on the inner sleeve connecting column 4, the upper end of the connecting silicone sleeve 5 can be inserted into the through hole of the exchanger connector 6, and the inner sleeve connecting column 4 of the metal structure has an outer circle. The end face is concave-convex, the connecting silicone sleeve 5 made of silicone material is closely connected with the inner sleeve connecting column 4, and the connecting silicone sleeve 5 is fixed on the outer end face of the inner sleeve connecting column 4, without changing the inner diameter of the metal inner sleeve 10, there is no Risk of increased airway resistance without affecting patient breathing. The device can realize the function of convenient connection between the metal trachea cannula and the disposable humidity heat exchanger, the replacement of the disposable humidity heat exchanger is easy, and the connecting silicone sleeve 5 is made of silicone material, which is non-toxic and tasteless, easy for patients to accept, and the silicone material is resistant to high temperature and high temperature. High pressure, can be cleaned, boiled and sterilized and used again, economical and practical, the silicone material has good elasticity and resilience, can be applied to different types of tracheal cannula, and is very convenient to install. The device can be widely used in patients who need to wear a metal tracheal cannula for a long time, providing satisfactory airway humidification effect, reducing the risk of re-breathing difficulty for patients due to blockage of the tracheal cannula, and reducing the difficulty of home care for patients discharged with a tube. It has very practical application and promotion value.

For those skilled in the art, various other corresponding changes and deformations can be made according to the technical solutions and concepts described above, and all these changes and deformations should fall within the protection scope of the claims of the present invention .

Claims (6)

1. The utility model provides a connect convenient metal trachea sleeve pipe and damp heat exchanger device which characterized in that: including metal outer tube (1), outer tube fixed plate (2), frenulum mounting hole (3), interior sleeve pin (4), connect silica gel cover (5), interchanger connector (6), interchanger cylinder chamber (7), interchanger upper end cover (8), interchanger connection gas pocket (9) and interior sleeve pin (10) of centre trompil, metal outer tube (1) fixed mounting is on outer tube fixed plate (2), interior sleeve pin (4) and interior sleeve pin (10) fixed connection of metal, interior sleeve pin (10) of metal is located the inboard position of metal outer tube (1), frenulum mounting hole (3) are the slot hole structure and set up the left and right sides position at outer tube fixed plate (2), connect silica gel cover (5) and be the cylinder structure of soft silica gel material, connect silica gel cover (5) lower extreme and install on interior sleeve pin (4), the upper end of connecting silica gel cover (5) is inserted in the through-hole of interchanger connector (6) and is interchanger connector (6) The heat exchanger is characterized in that the heat exchanger connector (6) is arranged at the lower end of the heat exchanger cylindrical cavity (7), the heat exchanger upper end cover (8) is fixedly connected with the heat exchanger cylindrical cavity (7), and the heat exchanger connecting air hole (9) is of a cylindrical through hole structure and is arranged on the side end face of the heat exchanger upper end cover (8).

2. A conveniently connected metal tracheal tube and moisture heat exchanger device as in claim 1, wherein: the upper end cover (8) of the exchanger is of a cross-shaped spaced hollow structure, and the upper end cover (8) of the exchanger covers the cylindrical cavity (7) of the exchanger.

3. A conveniently connected metal tracheal tube and moisture heat exchanger device as in claim 1, wherein: and a filter component made of a plurality of layers of water absorbing materials and hydrophilic compounds is arranged in the cylindrical cavity (7) of the exchanger, and the filter component and the surface of the upper end cover (8) of the exchanger are kept at a certain interval to form a filter space.

4. A conveniently connected metal tracheal tube and moisture heat exchanger device as in claim 1, wherein: the diameter range of the metal outer sleeve (1) is 4-10 mm.

5. A conveniently connected metal tracheal tube and moisture heat exchanger device as in claim 1, wherein: the outer circle end face of the inner sleeve connecting column (4) is of a concave-convex cylindrical structure.

6. A conveniently connected metal tracheal tube and moisture heat exchanger device as in claim 1, wherein: the silica gel hardness of connecting silica gel cover (5) is 60, and length is 20mm, and the internal diameter is 10mm, and the external diameter is 16mm, and the wall thickness of pipe is 3 mm.

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