Jet type oxygen supply humidifying nasopharyngeal airway

Abstract

The utility model relates to the technical field of nasopharyngeal airway, and discloses a jet type oxygen supply humidifying nasopharyngeal airway, which comprises a main airway, a breathing machine joint limiting baffle is sleeved on the main airway, and an oxygen supply structure is mounted on the main airway. According to the utility model, oxygen enters from the oxygen supply inlet tube, and liquid medicine or normal saline flows into the branch tube through the infusion needle on the rubber cap and then enters the oxygen supply inlet tube, so that the oxygen is humidified, the use comfort of a patient is improved, and meanwhile, the asthma patient is conveniently dosed; oxygen and liquid medicine or normal saline enter the oxygen supply extension tube after being filtered at the same time, so that impurities are prevented from being mixed in the oxygen and the liquid medicine or normal saline, and the clean quality of the oxygen and the liquid medicine or normal saline is guaranteed; oxygen and liquid medicine or normal saline are input to the nasopharynx part of a patient from one end of the conical tube, and the oxygen supply extension tube is matched with the conical tube, so that a channel for conveying the oxygen tends to be thin gradually, the pressure intensity is increased, the spraying distance of the oxygen is enlarged, and the oxygen supply quality is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of nasopharyngeal airways, in particular to a jet-type oxygen supply humidifying nasopharyngeal airway. Background Art

[0002] The nasopharyngeal airway is a simple and convenient extraglottic ventilation device used to relieve upper airway obstruction and keep the airway open.

[0003] In the nasopharyngeal airways that can supply oxygen in the prior art, the oxygen supply pipes are usually pipes of the same inner diameter, and the oxygen injection distance is short, resulting in limited oxygen supply quality; and there is no function of increasing the humidity of oxygen. Long-term use of dry oxygen for oxygen supply can easily lead to increased discomfort and poor comfort for patients.

[0004] In view of this, an in-depth study was conducted on the above-mentioned issues, which led to the present case. Utility Model Content

[0005] In order to solve the problems raised in the background technology, the utility model is implemented by the following technical solutions: a jet oxygen supply humidification nasopharyngeal airway, comprising a main airway, the main airway is provided with a limit baffle for connecting a ventilator joint, and the main airway is provided with an oxygen supply structure;

[0006] The oxygen supply structure comprises an oxygen supply extension tube, which is inserted on the side wall of the main airway, one end of which is provided with a tapered tube, the other end of which is sleeved with a bottom box, a filter layer is installed on the bottom box, a buckle cover is installed on the bottom box, a connecting tube is inserted on the buckle cover, one end of the connecting tube is installed with an oxygen supply inlet pipe, a branch pipe is installed on the side wall of the oxygen supply inlet pipe, and one end of the branch pipe is sleeved with a rubber cap;

[0007] The filter layer comprises filter paper, the filter paper is installed on the bottom box, a filter net is installed on the filter paper, and the buckle cover is movably attached to the filter net.

[0008] Preferably, a notch is provided on the limit baffle of the ventilator connector, and the oxygen supply extension tube is installed on the notch.

[0009] Preferably, the buckle cover is connected to the bottom box via threads.

[0010] Preferably, a wire ring is installed on the inner wall surface of the main airway.

[0011] Preferably, the oxygen supply extension tube and the tapered tube are an integral structure.

[0012] Preferably, one end of the main airway is provided with a slope, and one end of the tapered tube is flush with one end of the main airway.

[0013] Beneficial Effects

[0014] The utility model provides a jet-type oxygen supply humidification nasopharyngeal airway, which has the following beneficial effects compared with the prior art:

[0015] Oxygen enters from the oxygen supply inlet tube, and liquid medicine or saline is injected from a syringe or an infusion needle through a rubber cap into the branch tube and then enters the oxygen supply inlet tube, which plays a role in humidifying the oxygen and improves the comfort of the patient; at the same time, it is convenient to give medication to asthma patients, and oxygen and liquid medicine or saline are filtered through a filter net and filter paper at the same time and enter the oxygen supply extension tube, so as to avoid mixing of impurities in oxygen and liquid medicine or saline, and ensure the clean quality of oxygen and liquid medicine or saline; oxygen and liquid medicine or saline are then input into the patient's nasopharynx from one end of the tapered tube, and the oxygen supply extension tube cooperates with the tapered tube to make the channel for transporting oxygen gradually thinner, increase the pressure, expand the oxygen injection distance, and improve the oxygen supply quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the main cross-sectional structure of the jet-type oxygen supply humidification nasopharyngeal airway of the utility model.

[0017] Figure 2 It is a schematic diagram of the top view and cross-section structure of the jet-type oxygen supply and humidification nasopharyngeal airway of the utility model.

[0018] Figure 3 The utility model is a jet oxygen supply humidification nasopharyngeal airway Figure 1 Schematic diagram of the local enlarged structure in.

[0019] In the figure: 1. main airway, 2. limit baffle for ventilator connector, 3. oxygen supply extension tube, 4. conical tube, 5. bottom box, 6. filter paper, 7. filter screen, 8. buckle cover, 9. connecting tube, 10. oxygen supply inlet tube, 11. branch tube, 12. rubber cap, 13. notch, 14. wire ring. DETAILED DESCRIPTION

[0020] Based on the embodiments of the present utility model, all other embodiments obtained by ordinary technicians in the field without making any creative work shall fall within the scope of protection of the present utility model.

[0021] Example: See Figure 1-3One end of the main airway 1 is connected to the ventilator, and the ventilator connector limit baffle 2 is used to limit the connection position of the main airway 1 and the ventilator. The other end of the main airway 1 is inserted into the patient's nostril, and the rubber cap 12 is used to insert the syringe or infusion needle. The rubber cap 12 makes the syringe or infusion needle insertion part well sealed and will not leak. During use, oxygen enters from the oxygen supply inlet tube 10, and the syringe or infusion needle is inserted into the rubber cap 12. The medicine or saline flows into the branch tube 11 through the syringe or infusion needle, and then enters the oxygen supply inlet tube 10, which plays a role in humidifying oxygen and improves the comfort of use of the patient; at the same time, it is also convenient to administer medicine to asthma patients, and oxygen and medicine or saline are filtered through the filter screen 7 and the filter paper 6 to enter the oxygen supply extension tube 3, the filter screen 7 is used to filter the large particles of impurities mixed in the oxygen and medicine or saline, and the filter paper 6 is used to filter the fine impurities mixed in the oxygen and medicine or saline, so as to ensure the cleanliness of the oxygen and medicine or saline entering the patient's nasopharyngeal part, and the oxygen and medicine or saline are then input into the patient's nasopharyngeal part from one end of the tapered tube 4, and the oxygen supply extension tube 3 cooperates with the tapered tube 4 to make the channel for conveying oxygen gradually thin, increase the pressure, expand the injection distance of oxygen, and improve the quality of oxygen supply.

[0022] As a preferred embodiment, further, one end of the main airway 1 is provided with an inclined surface, one end of the tapered tube 4 is flush with one end of the main airway 1, and one end of the tapered tube 4 is located at the lowest point of the inclined surface on the main airway 1, forming a cyclone with the gas generated by the patient's breathing, thereby expanding the contact area between oxygen and the patient's nasopharyngeal region;

[0023] As a preferred embodiment, further, a notch 13 is provided on the limit baffle plate 2 of the ventilator connector, and the oxygen supply extension tube 3 is installed on the notch 13 for clamping the oxygen supply extension tube 3 and supporting the oxygen supply extension tube 3;

[0024] As a preferred embodiment, further, the buckle cover 8 is connected to the bottom box 5 by threads, and the buckle cover 8 can be removed from the bottom box 5 by the buckle cover 8, so that the internal filter paper 6 and the filter screen 7 can be disassembled and assembled;

[0025] As a preferred embodiment, further, a wire ring 14 is installed on the inner wall of the main airway 1 to support the main airway 1 and prevent the main airway 1 from deforming;

[0026] Preferably, further, the oxygen supply extension tube 3 and the tapered tube 4 are an integrated structure.

[0027] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A jet-type oxygen supply humidification nasopharyngeal airway, comprising a main airway (1), wherein a limit baffle (2) for connecting a ventilator connector is mounted on the main airway (1), characterized in that: An oxygen supply structure is installed on the main airway (1); The oxygen supply structure comprises an oxygen supply extension tube (3), the oxygen supply extension tube (3) is inserted on the side wall surface of the main airway (1), one end of the oxygen supply extension tube (3) is provided with a tapered tube (4), the other end of the oxygen supply extension tube (3) is sleeved with a bottom box (5), a filter layer is installed on the bottom box (5), a buckle cover (8) is sleeved on the bottom box (5), a connecting tube (9) is inserted on the buckle cover (8), one end of the connecting tube (9) is installed with an oxygen supply inlet tube (10), a branch tube (11) is installed on the side wall surface of the oxygen supply inlet tube (10), and one end of the branch tube (11) is sleeved with a rubber cap (12); The filter layer comprises filter paper (6), the filter paper (6) is mounted on the bottom box (5), a filter net (7) is mounted on the filter paper (6), and the buckle cover (8) is movably attached to the filter net (7).

2. The jet oxygen supply humidification nasopharyngeal airway according to claim 1, characterized in that: A notch (13) is provided on the limit baffle plate (2) for connecting the ventilator joint, and the oxygen supply extension tube (3) is installed on the notch (13).

3. The jet oxygen supply humidification nasopharyngeal airway according to claim 1, characterized in that: The buckle cover (8) is connected to the bottom box (5) via threads.

4. The jet oxygen supply humidification nasopharyngeal airway according to claim 1, characterized in that: A wire ring (14) is installed on the inner wall surface of the main air passage (1).

5. The jet oxygen supply humidification nasopharyngeal airway according to claim 1, characterized in that: The oxygen supply extension tube (3) and the tapered tube (4) are an integrated structure.

6. The jet oxygen supply humidification nasopharyngeal airway according to claim 1, characterized in that: One end of the main airway (1) is provided with an inclined surface, and one end of the tapered tube (4) is flush with one end of the main airway (1).

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