Pulse oxygen supply device with adjustable nasal oxygen cannula

Abstract

The utility model relates to the technical field of oxygen supply devices, and discloses a pulse oxygen supply device with an adjustable nasal oxygen cannula, which comprises an oxygen supply machine body, an adapter is mounted on an air outlet pipe of the oxygen supply machine body, the other end of the adapter is connected with the nasal oxygen cannula, and a pressure detector is arranged in one end, connected with the nasal oxygen cannula, of the adapter. The nasal oxygen tube is communicated with two nasal plugs, the length, extending out of the nasal oxygen tube, of each nasal plug is adjustable, a buffer cavity is formed in the end, deviating from the nasal oxygen tube, of each nasal plug, the device solves the problem that the escape amount is increased after oxygen impacts a buffer part, by means of the arrangement of the buffer cavities, the use comfort is improved, meanwhile, escape of oxygen is reduced, and the service life of the device is prolonged. The oxygen utilization rate is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to oxygen supply device technical field more specifically, it relates to the pulse oxygen supply device of nose oxygen tube adjustable. BACKGROUND

[0002] Pulse oxygen supply device usually transports oxygen through nose oxygen tube, and the nose oxygen tube is a medical product made of soft polyvinyl chloride and silicone rubber, which is composed of a horn mouth, a nasal plug and a head, and directly extends into the user's nasal cavity for easy oxygen inhalation.

[0003] A novel nose oxygen tube is disclosed in Chinese patent application No. 202410608575.5, which is provided with a buffer at the gas inlet pipe to avoid direct oxygen flow into the nasal cavity, thereby improving the comfort of the user. However, the buffer is a buffer achieved by blocking and reversing, which may cause partial oxygen to escape and reduce the utilization rate of oxygen. SUMMARY

[0004] In view of the deficiencies in the prior art, the utility model aims to provide a pulse oxygen supply device with adjustable nose oxygen tube, which takes into account both oxygen utilization rate and user comfort.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0006] The pulse oxygen supply device with adjustable nose oxygen tube comprises an oxygen supply machine body, an adapter is installed on the gas outlet pipe of the oxygen supply machine body, the other end of the adapter is connected with a nose oxygen tube, a pressure detector is arranged inside the end of the adapter connected with the nose oxygen tube, two nasal plugs are connected to the nose oxygen tube, the length of the nasal plug extending out of the nose oxygen tube is adjustable, and a buffer cavity is arranged at the end of the nasal plug away from the nose oxygen tube.

[0007] The utility model is further provided as follows: the nose oxygen tube comprises a main pipe, one end of the main pipe is connected with the adapter, the other end of the main pipe is branched into two branch pipes, the two branch pipes are connected with a nasal plug pipe, two connecting pipes are connected to the nasal plug pipe, and the two nasal plugs are connected with the two connecting pipes correspondingly.

[0008] The utility model is further provided as follows: a screw thread is arranged on the outer side of the connecting pipe, the connecting position of the nasal plug pipe and the connecting pipe is an output port, one end of the nasal plug is a connector, the connector is screw-connected with the connecting pipe, and the length of the nasal plug extending out of the nose oxygen tube can be adjusted by rotating the connector.

[0009] The utility model is further provided as follows: the buffer cavity is in the shape of a flattened sphere, the diameter of the buffer cavity is larger than that of the nose oxygen tube, a plurality of dispersion holes are arranged on the side of the buffer cavity away from the nose oxygen tube, and the total flow area of all the dispersion holes is larger than that of the nose oxygen tube.

[0010] The utility model further sets up: the one end of buffer cavity is connected with exhaust pipe away from nasal oxygen tube, exhaust pipe extends to nasal oxygen tube direction, is equipped with two exhaust ports on nasal oxygen tube, exhaust port is opposite to set up with nasal plug, exhaust port is connected with middle shaft pipe, exhaust pipe is slidingly covered and set outside middle shaft pipe.

[0011] The utility model further sets up: the end of exhaust pipe sets up limit ring no. 1, limit ring no. 1 is towards the setting of axle core, limit ring no. 1 and the outer wall of middle shaft pipe are slidably connected, the one end of middle shaft pipe extension into nasal plug sets up limit ring no. 2, limit ring no. 2 sets up on the outer wall of middle shaft pipe, limit ring no. 2 is installed with sealing ring, limit ring no. 2 and sealing ring are slidably connected with the inner wall of exhaust pipe.

[0012] The utility model has the advantages of:

[0013] 1, the end of nasal plug sets up buffer cavity, the diameter of buffer cavity is greater than the diameter of nasal oxygen tube, is equipped with a plurality of dispersion holes on buffer cavity, and the total flow area of all dispersion holes is greater than the flow area of nasal oxygen tube, when oxygen enters buffer cavity through nasal oxygen tube, the flow area suddenly changes, so that the flow rate rapidly reduces, and then is discharged through dispersion hole, enters nasal cavity, by reducing speed and dispersing the atmospheric flow into several small beam gas flows, the impact of oxygen on nasal cavity is reduced, and the use comfort is improved;

[0014] 2, nasal oxygen tube is provided with connecting pipe, and nasal plug is screw connected with connecting pipe through connecting head, when rotating nasal plug, the length of nasal plug extending out of nasal oxygen tube can be adjusted, so that the length extending into nasal cavity can be adjusted according to the adaptability of patient, and the use comfort is improved;

[0015] 3, the top of buffer cavity is communicated with exhaust pipe, and middle shaft pipe is correspondingly arranged on nasal oxygen tube, exhaust pipe is movably sleeved on middle shaft pipe, does not affect the rotation and expansion of nasal plug, when the user exhales, the exhaled gas can be discharged from nasal cavity through exhaust pipe via middle shaft pipe, the impact of exhaled gas on nasal plug is reduced, oxygen escape is reduced, and gas utilization rate is improved. ACCURACY OF DRAWINGS

[0016] Figure 1 It is an embodiment structure schematic view of the utility model;

[0017] Figure 2 It is nasal oxygen tube structure schematic view of the utility model;

[0018] Figure 3 It is along Figure 2 The A-A line section view shown in figure;

[0019] Figure 4 It is Figure 3 The B part enlarged view shown in figure;

[0020] Fig. 1, the oxygen supply machine body; 2, the gas outlet pipe; 3, the adapter; 4, the nasal oxygen tube; 41, the main pipe; 42, the branch pipe; 43, the nasal plug pipe; 431, the output port; 432, the exhaust port; 44, the connecting pipe; 5, the nasal plug; 51, the connecting head; 52, the buffer cavity; 53, the dispersion hole; 54, the exhaust pipe; 541, the limiting ring one; 55, the central shaft pipe; 551, the limiting ring two; 56, the sealing ring; 6, the pressure detector. DETAILED DESCRIPTION

[0021] It should be noted that the embodiments and features in the embodiments in the present application can be combined with each other without conflict. The present application will be described in detail below with reference to the drawings and in combination with the embodiments.

[0022] It should be noted that, unless otherwise specified, all technical and scientific terms used in the present application have the same meaning as generally understood by those skilled in the art to which the present application belongs.

[0023] In the present application, unless otherwise specified, the directions used such as "up, down" are generally with respect to the directions shown in the drawings, or with respect to the vertical, perpendicular or gravity directions; similarly, for the convenience of understanding and description, "left, right" are generally with respect to the left and right shown in the drawings; "inner, outer" refer to the inner and outer with respect to the contour of each component itself, but the above directional words are not used to limit the present application.

[0024] Please refer to Figures 1-4 The present application provides the following technical solutions:

[0025] The pulse oxygen supply device with adjustable nasal oxygen tube comprises an oxygen supply machine body 1, an adapter 3 is installed on the gas outlet pipe 2 of the oxygen supply machine body 1, the other end of the adapter 3 is connected with a nasal oxygen tube 4, a pressure detector 6 is arranged inside the end of the adapter 3 connected with the nasal oxygen tube 4, two nasal plugs 5 are communicated on the nasal oxygen tube 4, and a complete pulse oxygen supply device is formed;

[0026] The length of the nasal plug 5 extending out of the nasal oxygen tube 4 is adjustable, so as to adjust according to the acceptability of different users and improve the use comfort;

[0027] The end of the nasal plug 5 away from the nasal oxygen tube 4 is provided with a buffer cavity 52, the buffer cavity 52 is in the shape of a flat sphere, the diameter of the buffer cavity 52 is greater than the diameter of the nasal oxygen tube 4, a plurality of dispersion holes 53 are formed in the side of the buffer cavity 52 away from the nasal oxygen tube 4, the total flow area of all the dispersion holes 53 is greater than the flow area of the nasal oxygen tube 4, when oxygen enters the buffer cavity 52 through the nasal oxygen tube 4, the flow rate is suddenly reduced due to the sudden change of the flow area, the oxygen flow with reduced speed is dispersed into small gas flows through the dispersion holes 53 into the nasal cavity, so as to reduce the impact on the nasal cavity and improve the use comfort.

[0028] The nasal oxygen tube 4 comprises a main pipe 41, one end of the main pipe 41 is connected with the adapter 3, the other end of the main pipe 41 is branched into two branch pipes 42, the two branch pipes 42 are in common communication with a nasal plug pipe 43, the nasal plug pipe 43 is connected with two connecting pipes 44, and two nasal plugs 5 are connected with the two connecting pipes 44 correspondingly;

[0029] The connecting pipe 44 is provided with threads outside, the nasal plug pipe 43 is connected with the connecting pipe 44 at an output port 431, one end of the nasal plug 5 is a connecting head 51, the connecting head 51 is threadedly connected with the connecting pipe 44, and the length of the nasal plug 5 extending out of the nasal oxygen tube 4 can be adjusted by rotating the connecting head 51, that is, the length of the nasal plug 5 can be adaptively adjusted according to the acceptance degree of the user, so that the use comfort is improved.

[0030] The end of the buffer cavity 52 away from the nasal oxygen tube 4 is connected with an exhaust pipe 54, the exhaust pipe 54 extends towards the nasal oxygen tube 4, the nasal oxygen tube 4 is provided with two exhaust ports 432, the exhaust ports 432 are oppositely arranged with the nasal plug 5, the exhaust ports 432 are connected with a middle shaft pipe 55, and the exhaust pipe 54 is slidably sleeved outside the middle shaft pipe 55; the gas exhaled by the user can be discharged through the exhaust pipe 54 via the middle shaft pipe 55, the impact of exhalation on the dispersion holes 53 is reduced, the escape of oxygen is reduced, and the oxygen utilization rate is improved.

[0031] Meanwhile, the structure that the exhaust pipe 54 and the middle shaft pipe 55 are movably sleeved, when the length of the nasal plug 5 is adjusted by rotating the connecting head 51, the exhaust pipe 54 can be synchronously rotated and extended on the middle shaft pipe 55, and the adjustment of the length of the nasal plug 5 is not affected.

[0032] The end of the exhaust pipe 54 is provided with a limiting ring one 541, the limiting ring one 541 is arranged towards the shaft center, and the limiting ring one 541 is slidably connected with the outer wall of the middle shaft pipe 55; the end of the middle shaft pipe 55 extending into the nasal plug 5 is provided with a limiting ring two 551, the limiting ring two 551 is arranged on the outer wall of the middle shaft pipe 55, a sealing ring 56 is mounted on the limiting ring two 551, so that the mixture of oxygen and exhaled gas is prevented, and the limiting ring two 551 and the sealing ring 56 are slidably connected with the inner wall of the exhaust pipe 54; when the nasal plug 5 moves to the limit position, the limiting ring one 541 and the limiting ring two 551 will be clamped with each other, so that the nasal plug 5 is prevented from being pulled out of the nasal oxygen tube 4.

[0033] Specifically, the end of the nasal plug 5 is provided with the buffer cavity 52, the diameter of the buffer cavity 52 is greater than that of the nasal oxygen tube 4, a plurality of dispersion holes 53 are formed in the buffer cavity 52, the total flow area of all the dispersion holes 53 is greater than that of the nasal oxygen tube 4, when oxygen enters the buffer cavity 52 through the nasal oxygen tube 4, the flow area suddenly changes, so that the flow rate is rapidly reduced, and then the oxygen is discharged through the dispersion holes 53 and enters the nasal cavity, the flow rate is reduced and the atmospheric flow is dispersed into a plurality of small flow bundles, the impact of oxygen on the nasal cavity is reduced, and the use comfort is improved.

[0034] The connecting pipe 44 is arranged on the nasal oxygen tube 4, and the nasal plug 5 is threadedly connected with the connecting pipe 44 through the connecting head 51, and the length of the nasal plug 5 extending out of the nasal oxygen tube 4 can be adjusted by rotating the nasal plug 5, so that the length extending into the nasal cavity can be adjusted according to the adaptability of the patient, and the comfort of use is improved.

[0035] The top of the buffer cavity 52 is communicated with the exhaust pipe 54, and the middle shaft pipe 55 is correspondingly arranged on the nasal oxygen tube 4, and the exhaust pipe 54 is movably sleeved on the middle shaft pipe 55, and the rotation and extension of the nasal plug 5 are not affected, and when the user exhales, the exhaled gas can be discharged from the nasal cavity through the exhaust pipe 54 through the middle shaft pipe 55, the impact of the exhaled gas on the nasal plug 5 is reduced, the oxygen leakage is reduced, and the gas utilization rate is improved.

[0036] Obviously, the above-described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor should belong to the protection scope of the present application.

[0037] It should be noted that the terms used herein are only intended to describe specific embodiments, and are not intended to limit the exemplary embodiments according to the present application. As used herein, the singular form is intended to include the plural form unless the context clearly indicates otherwise, and it should also be understood that when the terms "comprise" and / or "include" are used in the specification, they indicate the presence of the features, steps, operations, devices, components and / or combinations thereof.

[0038] It should be noted that the terms "first", "second" and the like in the specification and claims of the present application and the above-described drawings are used to distinguish similar objects, and do not necessarily indicate a specific order or a chronological sequence. It should be understood that the data used in this way can be interchanged under appropriate circumstances, so that the embodiments of the present application described herein can be implemented in an order other than those illustrated or described herein.

[0039] The above only describes the preferred embodiments of the present application and is not intended to limit the present application. For those skilled in the art, the present application can have various changes and modifications. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A nose oxygen tube adjustable pulse oxygen supply device, comprising an oxygen supply machine body (1), characterized in that: The oxygen supply machine body (1) is provided with an adapter (3) on the outlet pipe (2), the other end of the adapter (3) is connected with a nasal oxygen tube (4), the inside of the end of the adapter (3) connected with the nasal oxygen tube (4) is provided with a pressure detector (6), the nasal oxygen tube (4) is communicated with two nasal plugs (5), the length of the nasal plug (5) extending out of the nasal oxygen tube (4) is adjustable, and the end of the nasal plug (5) away from the nasal oxygen tube (4) is provided with a buffer cavity (52).

2. The nasal prong adjustable pulse-dose oxygen supply device of claim 1, wherein: The nasal oxygen tube (4) comprises a main pipe (41), one end of the main pipe (41) is connected with the adapter (3), the other end of the main pipe (41) is branched into two branch pipes (42), the two branch pipes (42) are commonly communicated with a nasal plug pipe (43), the nasal plug pipe (43) is connected with two connecting pipes (44), and the two nasal plugs (5) are connected with the two connecting pipes (44) correspondingly.

3. The nasal prong adjustable pulse-dose oxygen supply device of claim 2, wherein: The connecting pipe (44) is provided with threads on the outside, the connecting position of the nasal plug pipe (43) and the connecting pipe (44) is an output port (431), one end of the nasal plug (5) is a connecting head (51), the connecting head (51) is threadedly connected with the connecting pipe (44), and the length of the nasal plug (5) extending out of the nasal oxygen tube (4) can be adjusted by rotating the connecting head (51).

4. The nasal prong adjustable pulse-dose oxygen supply device of claim 1, wherein: The buffer cavity (52) is in the shape of a flat sphere, the diameter of the buffer cavity (52) is greater than that of the nasal oxygen tube (4), a plurality of dispersion holes (53) are formed in the side of the buffer cavity (52) away from the nasal oxygen tube (4), and the total flow area of all the dispersion holes (53) is greater than that of the nasal oxygen tube (4).

5. The nasal prong adjustable pulse-dose oxygen supply device of claim 4, wherein: The end of the buffer cavity (52) away from the nasal oxygen tube (4) is connected with an exhaust pipe (54), the exhaust pipe (54) extends towards the nasal oxygen tube (4), two exhaust ports (432) are formed in the nasal oxygen tube (4), the exhaust ports (432) are arranged opposite to the nasal plugs (5), a central shaft pipe (55) is connected with the exhaust ports (432), and the exhaust pipe (54) is slidably arranged outside the central shaft pipe (55).

6. The nasal prong adjustable pulse-dose oxygen supply device of claim 5, wherein: The end of the exhaust pipe (54) is provided with a limiting ring one (541), the limiting ring one (541) is arranged towards the shaft center, the limiting ring one (541) is slidably connected with the outer wall of the central shaft pipe (55), the end of the central shaft pipe (55) extending into the nasal plug (5) is provided with a limiting ring two (551), the limiting ring two (551) is arranged on the outer wall of the central shaft pipe (55), a sealing ring (56) is arranged on the limiting ring two (551), and the limiting ring two (551) and the sealing ring (56) are slidably connected with the inner wall of the exhaust pipe (54).

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