A two-way nasal cannula

Abstract

The present invention provides a bidirectional nasal cannula, which comprises: a base assembly, the base assembly comprises a base body, a cavity is arranged inside the base body, and the base has a first gas channel and a second gas channel which are both connected to the cavity and arranged opposite to each other; a nasal plug assembly, the nasal plug assembly comprises a nasal cannula, a third gas channel is provided on the nasal cannula, and a closure plug connected to the nasal cannula; the nasal plug assembly and the base assembly are detachably connected and form: a first state in which the third gas channel is connected to the first gas channel and the closure plug blocks the second gas channel, or a second state in which the third gas channel is connected to the second gas channel and the closure plug blocks the first gas channel. The invention solves the problem that the nasal cannula used in one direction in the prior art can only be placed on one side of the user, which brings inconvenience to the user.

Description

Technical Field

[0001] The present invention relates to the technical field of medical devices, and in particular to a bidirectional nasal cannula. Background Art

[0002] Therapeutic methods of providing gas to assist the user's breathing are very common in healthcare, and nasal cannula is an indispensable tool in the process of supplementing gas through the user's nostrils.

[0003] The nasal cannula in the prior art is usually composed of a variety of components. Due to too many components, it is not convenient to install quickly and easily. In addition, in actual application scenarios, the air supply device is generally set on the left or right side of the user. The single-direction nasal cannula has certain limitations on the placement of the air supply device, and the use process is relatively inconvenient.

[0004] Therefore, the prior art still needs to be improved and developed. Summary of the invention

[0005] In view of the deficiencies in the prior art, the present invention aims to provide a bidirectional nasal cannula, aiming to solve the problem that the air supply device can only be placed on one side of the user, causing inconvenience to the user due to the one-way use of the nasal cannula in the prior art.

[0006] The technical solution adopted by the present invention to solve the technical problem is as follows: a bidirectional nasal cannula, comprising: a base assembly, the base assembly comprising a base body, a cavity is arranged inside the base body, and a first gas channel and a second gas channel are arranged opposite to each other and are both connected to the cavity;

[0007] A nasal plug assembly, the nasal plug assembly comprising a nasal plug tube, the nasal plug tube is provided with a third gas channel, and a sealing plug connected to the nasal plug tube;

[0008] The nose plug assembly is detachably connected to the base assembly to form:

[0009] The third gas channel is connected to the first gas channel and the closing plug blocks the first state of the second gas channel or

[0010] The third gas channel is in communication with the second gas channel and the closing plug blocks the second gas channel.

[0011] Further, the nasal plug assembly includes: a first connecting portion, and the nasal plug tube is arranged on the first connecting portion;

[0012] a second connecting portion, the second connecting portion being connected to the first connecting portion, and the closing plug being arranged on the second connecting portion;

[0013] The first connecting portion and the second connecting portion are respectively provided with fixing columns, and the fixing columns on both sides of the nasal plug assembly are arranged facing each other;

[0014] The base assembly is correspondingly provided with two connection holes, and the fixing posts on both sides of the nasal plug assembly are respectively connected to the connection holes.

[0015] Further, the nasal plug assembly is provided with a first connecting plate, one end of the first connecting plate is connected to the first connecting portion, and the other end of the first connecting plate is connected to the second connecting portion;

[0016] A first groove is disposed on an outer surface of one side of the base body, and the first connecting plate is embedded in the first groove.

[0017] Furthermore, the nasal plug assembly is further provided with a second snap-on plate, the second snap-on plate being provided with two extending portions opposite to each other, and one end of the second snap-on plate being connected to the first connecting portion, and the other end of the second snap-on plate being connected to the second connecting portion;

[0018] A second groove is disposed on the outer surface of the other side of the base body, and the two second clamping plates are both connected to the second groove.

[0019] Further, the nasal cannula is provided with two;

[0020] The third gas channel and the closing plug are each provided with two;

[0021] There are two of each of the first gas channel and the second gas channel.

[0022] Furthermore, the base assembly also includes:

[0023] A first gas pipeline is located at one side of the base body and is connected to the cavity.

[0024] Furthermore, the base assembly also includes:

[0025] Side arms are connected to two lateral sides of the base body and are extended parallel to the axial direction of the first gas pipeline.

[0026] Furthermore, the side arm is provided with a first step on the side facing the user.

[0027] Further, the bidirectional nasal cannula also includes:

[0028] The second gas pipeline is located on a side of the first gas pipeline away from the base body, one end of the second gas pipeline is connected to the first gas pipeline, and the other end is connected to the gas supply equipment.

[0029] Furthermore, the bidirectional nasal cannula also includes: a clamping belt, both ends of the clamping belt are respectively connected with buckles, and the ends of both sides of the side arms are respectively provided with connecting columns, and the buckles are respectively connected to the connecting columns.

[0030] The present invention provides a bidirectional nasal cannula, which includes a nasal plug assembly, a third gas channel is provided on the nasal plug, and a sealing plug is connected to the nasal plug; the third gas channel is connected to the first gas channel and the sealing plug blocks the second gas channel, or the third gas channel is connected to the second gas channel and the sealing plug blocks the first gas channel, thereby realizing the bidirectional use function of the nasal cannula, and the air supply device can be placed on both sides of the user, which brings great convenience to the user, and does not require too many components, and is quick and easy to install, which solves the problem of the nasal cannula used in one direction in the prior art, which causes the air supply device to be placed on only one side of the user, causing inconvenience to the user. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 It is a structural schematic diagram of the base assembly provided in the present invention;

[0032] Figure 2 is a cross-sectional schematic diagram of a base assembly provided in the present invention;

[0033] Figure 3 is a schematic diagram of the structure of the nasal plug assembly provided in the present invention;

[0034] Figure 4 is a schematic diagram of the structure of the closure plug provided in the present invention;

[0035] Figure 5 It is a structural schematic diagram of the card joint belt provided in the present invention;

[0036] Figure 6 It is a schematic diagram of the overall structure of the bidirectional nasal cannula provided in the present invention;

[0037] Description of reference numerals: 100, base assembly; 110, base body; 111, connecting hole; 112, first groove; 113, second groove; 120, cavity; 130, first gas channel; 140, second gas channel; 150, first gas pipeline; 160, side arm; 161, first step; 162, connecting column; 170, third groove; 200, nasal plug assembly; 201, nasal tube; 202, first connecting portion; 20 3. Second connecting portion; 210. Third gas channel; 211. First annular boss; 220. Closing plug; 221. First circular groove; 222. First circular boss; 223. Second circular groove; 230. Fixing column; 240. First connecting plate; 241. First arc groove; 250. Second clamping plate; 251. Second arc groove; 300. Second gas pipeline; 400. Clamping belt; 410. Buckle; 500. Suspension assembly. DETAILED DESCRIPTION

[0038] In order to make the purpose, technical solution and advantages of the present invention clearer and more specific, the present invention is further described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0039] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are used only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, unless otherwise specified, "multiple" means two or more.

[0040] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0041] Please refer to Figure 1 , Figure 2 and Figure 3 As shown, a bidirectional nasal cannula is provided in the first embodiment of the present invention, and the bidirectional nasal cannula includes: a base assembly 100 and a nasal plug assembly 200. The base assembly 100 includes a base body 110, and a cavity 120 is arranged inside the base body 110. The base has a first gas channel 130 and a second gas channel 140 that are both connected to the cavity 120 and are arranged opposite to each other. The nasal plug assembly 200 includes a nasal plug 201, and a third gas channel 210 is opened on the nasal plug 201, and a sealing plug 220 connected to the nasal plug 201; the nasal plug assembly 200 is detachably connected to the base assembly 100 and forms: a first state in which the third gas channel 210 is connected to the first gas channel 130 and the sealing plug 220 blocks the second gas channel 140, or a second state in which the third gas channel 210 is connected to the second gas channel 140 and the sealing plug 220 blocks the first gas channel 130.

[0042] It can be understood that the nasal cannula 201 can be detachably connected to the first gas channel 130 and the second gas channel 140 at both ends of the base body 110 in two forms. When the gas supply device is placed on one side of the user, the third gas channel 210 is connected to the first gas channel 130 and the closure plug 220 blocks the second gas channel 140. When the gas supply device is placed on the other side of the user, the third gas channel 210 is connected to the second gas channel 140 and the closure plug 220 blocks the first gas channel 130. Through the two connection methods of the base assembly 100 and the nasal plug assembly 200, the two-way use function of the nasal cannula is realized, without too many components, and the installation is convenient. The gas supply device can be placed on both sides of the user, which brings great convenience to the user to supplement gas during treatment.

[0043] Specifically, the gas supply device can be set as a ventilator, which provides oxygen to the user through the two-way nasal cannula to assist the user's breathing. At the same time, the two-way nasal cannula can also be connected to an anesthesia circuit, that is, the gas supply device is an anesthesia circuit, which provides anesthetic gas to the user and assists the user in treatment.

[0044] Please refer to Figure 3 In other embodiments, the nasal cannula 201 is configured as a curved tube to facilitate matching with the user's nostrils. A first annular boss 211 is provided at one end of the nasal cannula 201 facing the base assembly 100. The first annular boss 211 is used to connect with the first gas channel 130 or the second gas channel 140 and make the sealing between the connection ports tighter.

[0045] Please refer to Figure 3 In some other embodiments, the nasal plug assembly 200 includes: a first connecting portion 202 and a second connecting portion 203, the nasal tube 201 is arranged on the first connecting portion 202, the second connecting portion 203 is connected to the first connecting portion 202, the closure plug 220 is arranged on the second connecting portion 203, and the first connecting portion 202 and the second connecting portion 203 are respectively provided with fixing columns 230, and the fixing columns 230 on both sides of the nasal plug assembly 200 are arranged facing each other; two connecting holes 111 are correspondingly provided on the base assembly 100, and the fixing columns 230 on both sides of the nasal plug assembly 200 are respectively connected to the connecting holes 111.

[0046] It can be understood that by connecting the fixing post 230 to the connecting hole 111, the nose plug assembly 200 is firmly connected to the base assembly 100, making the assembly more stable. It is easy to imagine that, in order to facilitate installation, the edge of the connecting hole 111 can be rounded to make it easier to insert the fixing post 230. At the same time, a convex head is provided at the end of the fixing post 230, and the convex head passes through the connecting hole 111 and is embedded in the inner wall of the cavity 120, so that the fixing post 230 is stably inserted into the connecting hole 111.

[0047] Please refer to Figure 4 In other embodiments, the end of the closing plug 220 facing the base assembly 100 is provided with a first circular groove 221, a first circular boss 222 is provided in the first circular groove 221, and a second circular groove 223 is provided on the first circular boss 222. The first circular groove 221 is used to place the first gas channel 130 or the second gas channel 140; the first circular boss 222 is used to be embedded in the first gas channel 130 or the second gas channel 140, and cooperate with the first circular groove 221 to completely close the first gas channel 130 or the second gas channel 140; the second circular groove 223 can increase the flow space for the gas when the first circular boss 222 is inserted into the first gas channel 130 or the second gas channel 140, and save the material used for the closing plug 220.

[0048] Please refer to Figure 3 and Figure 4In other embodiments, two nasal tubes 201 are provided, and correspondingly, two third gas channels 210 and two sealing plugs 220 are provided, and the two third gas channels 210 are symmetrically arranged, and the two sealing plugs 220 are symmetrically arranged; two first gas channels 130 are provided, and the two first gas channels 130 are symmetrically arranged; two second gas channels 140 are provided, and the two second gas channels 140 are symmetrically arranged.

[0049] It can be understood that supplementing gas in both nostrils of a person can make breathing more complete. The nasal tube 201 is provided with two, and correspondingly, the second gas channel 140, the second gas channel 140, the third gas channel 210 and the sealing plug 220 are each provided with two, and the two second gas channels 140, the second gas channel 140, the third gas channel 210 and the sealing plug 220 are symmetrically arranged to supplement gas in the two nostrils respectively.

[0050] Please refer to Figure 3 In some other embodiments, a first connecting plate 240 is provided on the nasal plug assembly 200, one end of the first connecting plate 240 is connected to the first connecting portion 202, and the other end is connected to the second connecting portion 203; a first groove 112 is provided on the outer surface of one side of the base body 110, and the first connecting plate 240 is embedded in the first groove 112.

[0051] It can be understood that by connecting the first connecting plate 240 to the first groove 112, after the nasal plug assembly 200 is installed on the base assembly 100, the surface of the two-way nasal cannula product can be made smoother, and the first groove 112 can also guide the user to install and fix the nasal plug assembly 200.

[0052] In other embodiments, first arc grooves 241 are respectively provided at both ends of the first connecting plate 240 facing the base assembly 100, and the two first arc grooves 241 ensure that the base assembly 100 and the nasal plug assembly 200 are more fully connected during installation.

[0053] Please refer to Figure 3 In some other embodiments, a second clip plate 250 is further provided on the nasal plug assembly 200, and the second clip plate 250 is arranged opposite to each other by two extending parts, and the second clip plate 250 at one end is connected to the first connecting part 202, and the second clip plate 250 at the other end is connected to the second connecting part 203; the outer surface of the other side of the base body 110 is provided with a second groove 113, and the second clip plate 250 is connected to the second groove 113.

[0054] It can be understood that, by connecting the second clamping plate 250 to the second groove 113, after the nasal plug assembly 200 is installed on the base assembly 100, the surface of the two-way nasal cannula product can be made smoother, and the second groove 113 can also guide the user to install and fix the nasal plug assembly 200. Specifically, the second clamping plate 250 can be folded along the first connecting portion 202 and the second connecting portion 203 to facilitate the installation of the nasal plug assembly 200 on the base assembly 100.

[0055] In some other embodiments, the second snap-in plate 250 is provided with a second arc groove 251, which is located on the side facing the base assembly 100 and is provided at one end facing the nasal plug assembly 200. The second snap-in plate 250 is provided with two, and correspondingly, the second arc groove 251 is also provided with two, and the second arc groove 251 has the same function as the first arc groove 241, both of which are to ensure that the base assembly 100 and the nasal plug assembly 200 are more fully connected when installed.

[0056] Please refer to Figure 1 In some other embodiments, a third groove 170 is further provided on the base body 110 , and the first gas channel 130 , the second gas channel 140 and the connecting hole 111 are all provided in the third groove 170 .

[0057] It can be understood that when the nasal plug assembly 200 is installed on the base assembly 100, the closure plug 220 can be installed in the third groove 170, so that the base assembly 100 and the nasal plug assembly 200 are more closely matched, and the appearance of the two-way nasal cannula product is more beautiful. It is easy to imagine that there are two third grooves 170, and the two third grooves 170 are symmetrically arranged on both sides of the base assembly 100, and the functions and effects of the two are the same.

[0058] Please refer to Figure 5 In other embodiments, in the base body 110, with the direction parallel to the first gas channel 130 as the lateral direction, the base assembly 100 also includes: side arms 160, the side arms 160 are connected to the base body 110 on both lateral sides and are arranged parallel to the axial extension of the first gas pipeline 150, and the side arms 160 are integrally connected to the base body 110.

[0059] It can be understood that by providing the side arm 160 and arranging the side arm 160 parallel to the first gas pipeline 150, the side arm 160 is integrally connected to the base body 110, the side arm 160 drives the base assembly 100 to move, and the side arm 160 and the base body 110 are molded together and integrally formed, thereby reducing the assembly steps of the bidirectional nasal cannula and saving installation time during clinical use.

[0060] Please refer to Figure 5 In some other embodiments, the side arm 160 is provided with a first step 161 facing the user, and the first step 161 is close to the face of the user.

[0061] It can be understood that when the side arm 160 is attached to the human face, only the protruding first step 161 is in contact with the human face. This can reduce the contact area between the side arm 160 and the user's facial skin, reduce pressure, and prevent skin allergies, redness, swelling, and ulcers caused by long-term wearing in a high humidity environment.

[0062] Please refer to Figure 1 and Figure 2 In some other embodiments, the base assembly 100 further includes: a first gas pipeline 150 , wherein the first gas pipeline 150 is located on one side of the base body 110 and is connected to the cavity 120 .

[0063] It can be understood that the first gas pipeline 150 is connected to the cavity 120, the cavity 120 is connected to the first gas channel 130 and the second gas channel 140, the first gas channel 130 and the second gas channel 140 are respectively connected to the third gas channel 210, the gas is input from the first gas pipeline 150, passes through the cavity 120, the first gas channel 130 or the second gas channel 140 in sequence, and finally enters the user's nostrils through the third gas channel 210, completing the gas delivery, which brings great convenience.

[0064] Please refer to Figure 5 and Figure 6 In some other embodiments, the bidirectional nasal cannula further includes: a second gas pipeline 300, the second gas pipeline 300 is located on the side of the first gas pipeline 150 away from the base body 110, one end of the second gas pipeline 300 is connected to the first gas pipeline 150, and the other end is connected to the gas supply device.

[0065] It can be understood that the second gas pipeline 300 transmits the gas in the gas supply device to the first gas pipeline 150, and then transmits it to the user's nostrils through the cavity 120 to complete the gas delivery. The length of the second gas pipeline 300 can be freely set as needed.

[0066] Please refer to Figure 1 and Figure 5 In some other embodiments, the bidirectional nasal cannula further includes: a clip-on belt 400, both ends of the clip-on belt 400 are respectively connected with buckles 410, and the ends of the two side arms 160 are respectively provided with connecting columns 162, and the buckles 410 are respectively connected to the connecting columns 162.

[0067] It can be understood that in order to ensure that the user inhales gas better, the clip belt 400 can be put on the user's head and connected to the connecting column 162 at the end of the side arm 160 through the buckle 410, and then the base assembly 100 is connected to the nose plug assembly 200 and fixed at the user's nostrils, so that the gas can be stably input to the user.

[0068] Please refer to Figure 6 In some other embodiments, the bidirectional nasal cannula further includes: a suspension component 500, wherein the suspension component 500 is disposed at one end of the second gas pipeline 300, and the suspension component 500 is hung on a hospital bed or a wall, and the second gas pipeline 300 is suspended to a suitable height for convenient connection to a gas supply device.

[0069] In summary, the present invention provides a bidirectional nasal cannula, which includes a nasal plug assembly 200 including a nasal cannula 201, on which a third gas channel 210 and a sealing plug 220 connected to the nasal cannula 201 are provided; the third gas channel 210 is connected to the first gas channel 130 and the sealing plug blocks the second gas channel 140, or the third gas channel 210 is connected to the second gas channel 140 and the sealing plug 220 blocks the first gas channel 130, thereby realizing the bidirectional use function of the nasal cannula, and air supply equipment can be placed on both sides of the user, which brings great convenience to the user, and does not require too many components, and is quick and easy to install, thereby solving the problem of the nasal cannula used in one direction in the prior art, which causes the air supply equipment to be placed on only one side of the user, causing inconvenience to the user.

[0070] It should be understood that the application of the present invention is not limited to the above examples. For ordinary technicians in this field, improvements or changes can be made based on the above description. All these improvements and changes should fall within the scope of protection of the claims attached to the present invention.

Claims

1. A bidirectional nasal cannula, characterized in that: include: A base assembly, the base assembly comprising a base body, the base body having a cavity disposed therein, and the base having a first gas channel and a second gas channel both connected to the cavity and disposed opposite to each other; A nasal plug assembly, the nasal plug assembly comprising a nasal plug tube, the nasal plug tube is provided with a third gas channel, and a sealing plug connected to the nasal plug tube; The nose plug assembly is detachably connected to the base assembly to form: The third gas channel is connected to the first gas channel and the closing plug blocks the first state of the second gas channel or A second state in which the third gas channel is connected to the second gas channel and the closing plug blocks the first gas channel; The nasal plug assembly includes: a first connecting portion, and the nasal plug tube is arranged on the first connecting portion; a second connecting portion, the second connecting portion being connected to the first connecting portion, and the closing plug being arranged on the second connecting portion; The first connecting portion and the second connecting portion are respectively provided with fixing columns, and the fixing columns on both sides of the nasal plug assembly are arranged facing each other; The base assembly is correspondingly provided with two connection holes, and the fixing posts on both sides of the nasal plug assembly are respectively connected to the connection holes; The nasal plug assembly is provided with a first connecting plate, one end of the first connecting plate is connected to the first connecting portion, and the other end of the first connecting plate is connected to the second connecting portion; A first groove is provided on the outer surface of one side of the base body, and the first connecting plate is embedded in the first groove; The nasal plug assembly is also provided with a second snap-on plate, which is provided with two extending parts opposite to each other, and one end of the second snap-on plate is connected to the first connecting part, and the other end of the second snap-on plate is connected to the second connecting part; A second groove is provided on the outer surface of the other side of the base body, and the two second clamping plates are both connected to the second groove; The nasal cannula is provided with two; The third gas channel and the closing plug are each provided with two; There are two of each of the first gas channel and the second gas channel.

2. The bidirectional nasal cannula according to claim 1, characterized in that: The base assembly also includes: A first gas pipeline is located at one side of the base body and is connected to the cavity.

3. The bidirectional nasal cannula according to claim 2, characterized in that: The base assembly also includes: Side arms are connected to two lateral sides of the base body and are extended parallel to the axial direction of the first gas pipeline.

4. The bidirectional nasal cannula according to claim 3, characterized in that: The side arm facing the user is provided with a first step.

5. The bidirectional nasal cannula according to claim 3, characterized in that: The bidirectional nasal cannula also includes: The second gas pipeline is located on a side of the first gas pipeline away from the base body, one end of the second gas pipeline is connected to the first gas pipeline, and the other end is connected to the gas supply equipment.

6. The bidirectional nasal cannula according to claim 5, characterized in that: The bidirectional nasal cannula further includes: a clamping belt, both ends of which are respectively connected with buckles, and the ends of both sides of the side arms are respectively provided with connecting columns, and the buckles are respectively connected to the connecting columns.

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