Disposable oropharynx breather pipe with negative pressure suction function

Abstract

The disposable oropharynx breather pipe with the negative pressure suction function comprises a pipe body and an elastic outer pipe wrapping the pipe body, an air channel is formed in the inner wall of the elastic outer pipe in an injection molding mode, and a negative pressure hole communicated with the air channel is formed in the outer wall of the elastic outer pipe. The negative pressure tube can be inserted outside the oral cavity through the adsorption hole by matching the air passage on the inner side of the elastic outer tube with the negative pressure hole, body fluid is adsorbed through the negative pressure hole by the suction force generated by the negative pressure tube, the operation is more convenient, the step of inserting into the oral cavity of a patient is omitted, insertion injury is avoided, and the adsorption is cleaner and more comprehensive; meanwhile, the adjustable fixing belt is arranged, so that effective fixation can be achieved, the oropharyngeal airway is prevented from shifting and falling off, and the safety of a patient is guaranteed.

Description

Technical Field

[0001] The utility model relates to a disposable oropharyngeal ventilator with negative pressure suction. Background Art

[0002] The oropharyngeal airway, also known as the oropharyngeal ventilator, is a non-tracheal tube and non-invasive ventilation tube that can prevent the tongue from falling back, quickly open the airway, and establish a temporary artificial airway.

[0003] The oropharyngeal airway is usually made of rubber or plastic, and can also be made of metal or other elastic materials. The oropharyngeal airway commonly used in clinical practice is an elliptical hollow plastic tube with an "S" shape, including a wing edge, a tooth pad part and a pharyngeal curvature part.

[0004] During the application process, the patient's mouth will secrete saliva, followed by sputum and other body fluids in the throat. There is a risk of these body fluids entering the airway through the oropharyngeal ventilation tube, so negative pressure equipment is required to absorb these produced liquids during the application.

[0005] The conventional operation method is to use a handheld negative pressure tube for adsorption. However, in the designed operation, due to the obstruction of the oropharyngeal ventilation tube, the suction of the negative pressure tube is blocked to a certain extent, resulting in unclean adsorption.

[0006] To this end, we have designed a disposable oropharyngeal ventilation tube that can achieve airway ventilation and facilitate the suction of body fluids. At the same time, it can be effectively fixed to prevent displacement and falling off, ensuring patient safety. Utility Model Content

[0007] The technical problem to be solved by the utility model is to provide a disposable oropharyngeal ventilation tube which can realize airway ventilation and is convenient for aspirating body fluids, and can be effectively fixed to prevent displacement and falling off, thereby ensuring the safety of patients.

[0008] The utility model is realized by the following technical solutions:

[0009] A disposable oropharyngeal ventilation tube with negative pressure suction comprises a tube body and an elastic outer tube covering the outside of the tube body, an airway is formed by injection molding on the inner wall of the elastic outer tube, and a negative pressure hole connected to the airway is arranged on the outer wall of the elastic outer tube.

[0010] Preferably, the tube body includes an arc-shaped tube portion and a straight tube portion, one end of the arc-shaped tube portion is connected to the straight tube portion, and the other end of the arc-shaped tube portion is inserted into the trachea through the mouth and throat, and the end of the straight tube portion 102 away from the arc-shaped tube portion is provided with a flange, and the flange is connected to the straight tube portion, and the elastic outer tube cooperates with the arc-shaped tube portion, the straight tube portion and the flange.

[0011] Preferably, a slot is provided on the outer wall of the arc-shaped tube portion, one end of the elastic outer tube is stuck in the slot, the other end of the elastic outer tube is injection-molded to form a bellows portion, the end of the bellows portion away from the elastic outer tube is provided with a first flange, the flange is embedded in the first flange, the straight tube portion passes through the bellows portion, the bellows portion and the straight tube portion are clearance-fitted, an adsorption hole is opened on the plate surface of the flange, the adsorption hole is located between the bellows portion and the straight tube portion, the airway is connected to the gap between the bellows portion and the straight tube portion, the elastic outer tube and the arc-shaped tube portion are interference-fitted, and a negative pressure pipe joint is fitted through the adsorption hole.

[0012] Preferably, a connection hole is drilled on the plate surface of the first flange, and an adjustable fixing belt is fitted through the connection hole.

[0013] The beneficial effects of the utility model are:

[0014] Advantage 1: The elastic outer tube provides flexible protection for the throat and other parts to reduce ventilation damage.

[0015] Advantage 2: The end of the arc-shaped tube portion is located outside the elastic outer tube, so compared with the elastic outer tube, its hardness is slightly higher, which facilitates guiding and inserting into the trachea.

[0016] Advantage three: through the airway inside the elastic outer tube and the negative pressure hole, the negative pressure tube can be inserted through the adsorption hole outside the mouth. The suction generated by the negative pressure tube adsorbs body fluids through the negative pressure hole. The operation is more convenient, eliminating the step of inserting the tube into the patient's mouth and avoiding insertion damage. At the same time, the adsorption is also cleaner and more comprehensive.

[0017] Advantage four: The adjustable fixing belt can effectively fix the oropharyngeal airway to prevent displacement and falling off, thus ensuring the safety of the patient. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0019] Figure 1 It is a schematic diagram of the structure of the utility model;

[0020] Figure 2 It is the cross-sectional view at AA;

[0021] Figure 3 It is the main view of the tube body;

[0022] Figure 4 This is the end view of the flange. DETAILED DESCRIPTION

[0023] All features disclosed in this specification, or steps in all methods or processes disclosed, except mutually exclusive features and / or steps, can be combined in any manner.

[0024] Any feature disclosed in this specification (including any additional claims, abstract and drawings), unless otherwise stated, may be replaced by other equivalent or alternative features with similar purposes. That is, unless otherwise stated, each feature is only an example of a series of equivalent or similar features.

[0025] In the description of the present invention, it should be understood that the terms "one end", "the other end", "outside", "upper", "inside", "horizontal", "coaxial", "center", "end", "length", "outer end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0026] In addition, in the description of the present invention, “plurality” means at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0027] In the present invention, unless otherwise clearly specified and limited, the terms "set", "socket", "connect", "penetrate", "plug in" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral one; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0028] like Figure 1 and Figure 2 A disposable oropharyngeal ventilation tube with negative pressure suction is shown, comprising a tube body 1 and an elastic outer tube 2 wrapped around the outside of the tube body 1, an airway 2221 is injection-molded on the inner wall of the elastic outer tube 2, and a negative pressure hole 2222 connected to the airway 2221 is provided on the outer wall of the elastic outer tube 2.

[0029] The airway 2221 is injection molded by the elastic outer tube 2 , and when the elastic outer tube 2 elastically shrinks and covers the outside of the tube body 1 , the airway 2221 will not be blocked.

[0030] The multiple negative pressure holes 2222 distributed along the airway 2221 can cooperate with the negative pressure tube to generate negative pressure suction to absorb body fluids in the throat.

[0031] See also Figure 3 and Figure 4 As shown, the tube body 1 includes an arc-shaped tube portion 101 and a straight tube portion 102, one end of the arc-shaped tube portion 101 is connected to the straight tube portion 102, and the other end of the arc-shaped tube portion 101 is inserted into the trachea through the mouth and throat, and the end of the straight tube portion 102 away from the arc-shaped tube portion 101 is provided with a flange 103, and the flange 103 is connected to the straight tube portion 102, and the elastic outer tube 2 cooperates with the arc-shaped tube portion 101, the straight tube portion 102 and the flange 103.

[0032] When in use, the straight tube portion 102 is located in the oral cavity, the flange 103 is located outside the oral cavity, and the arc-shaped tube portion 101 is inserted into the trachea through the throat.

[0033] See also Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, a slot 104 is provided at the outer wall of the arc-shaped tube portion 101, one end of the elastic outer tube 2 is stuck in the slot 104, the other end of the elastic outer tube 2 is injection-molded to form a bellows portion 21, the end of the bellows portion 21 away from the elastic outer tube 2 is provided with a first flange 22, the flange 103 is embedded in the first flange 22, the straight tube portion 102 passes through the bellows portion 21, the bellows portion 21 and the straight tube portion 102 are clearance-matched, an adsorption hole 133 is opened on the plate surface of the flange 103, the adsorption hole 133 is located between the bellows portion 21 and the straight tube portion 102, the airway 2221 communicates the gap between the bellows portion 21 and the straight tube portion 102, and the elastic outer tube 2 and the arc-shaped tube portion 101 are interference-fitted. A negative pressure pipe joint 299 is matched through the adsorption hole 133.

[0034] In the above technical solution, a negative pressure tube is inserted through the adsorption hole 133, and negative pressure is established in the elastic outer tube 2 by the negative pressure tube, so that body fluid is adsorbed through the negative pressure hole.

[0035] Preferably, a connection hole 232 is drilled on the plate surface of the first flange 22 , and an adjustable fixing belt 242 is fitted through the connection hole 232 .

[0036] In the conventional technology, the first wing edge is adhered to the patient's face with medical tape, which is painful to tear off later.

[0037] In the above technical solution, a structural form of the connecting hole 232 and the adjustable fixing belt 242 is adopted, which saves the step of fixing with adhesive tape and does not cause pain during the later removal.

[0038] The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any changes or substitutions that are not conceived through creative work should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope defined in the claims.

Claims

1. A disposable oropharyngeal ventilator with negative pressure suction, characterized in that: It comprises a tube body (1), and an elastic outer tube (2) covering the outside of the tube body (1), an airway (2221) being formed by injection molding on the inner wall of the elastic outer tube (2), and a negative pressure hole (2222) communicating with the airway (2221) being provided on the outer wall of the elastic outer tube (2).

2. The disposable oropharyngeal ventilation tube with negative pressure suction according to claim 1, characterized in that: The tube body (1) comprises an arc-shaped tube portion (101) and a straight tube portion (102); one end of the arc-shaped tube portion (101) is connected to the straight tube portion (102); the other end of the arc-shaped tube portion (101) is inserted into the trachea through the oral cavity and pharynx; the end of the straight tube portion (102) away from the arc-shaped tube portion (101) is provided with a flange (103); the flange (103) is connected to the straight tube portion (102); and the elastic outer tube (2) cooperates with the arc-shaped tube portion (101), the straight tube portion (102) and the flange (103).

3. The disposable oropharyngeal ventilation tube with negative pressure suction according to claim 2, characterized in that: A clamping groove (104) is provided on the outer wall of the arc-shaped tube portion (101), one end of the elastic outer tube (2) is clamped in the clamping groove (104), the other end of the elastic outer tube (2) is injection-molded to form a bellows portion (21), the end of the bellows portion (21) away from the elastic outer tube (2) is provided with a first flange (22), the flange (103) is embedded in the first flange (22), the straight tube portion (102) passes through the bellows portion (21), and the bellows portion (21) is provided with a first flange (22). The bellows (21) and the straight tube (102) are clearance-fitted, an adsorption hole (133) is opened on the plate surface of the flange (103), the adsorption hole (133) is located between the bellows (21) and the straight tube (102), the air passage (2221) is connected to the gap between the bellows (21) and the straight tube (102), the elastic outer tube (2) and the arc-shaped tube (101) are interference-fitted, and a negative pressure pipe joint (299) is fitted through the adsorption hole (133).

4. The disposable oropharyngeal ventilation tube with negative pressure suction according to claim 3, characterized in that: A connection hole (232) is drilled on the plate surface of the first flange (22), and an adjustable fixing belt (242) is engaged through the connection hole (232).

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