Ventilation nasal mask and breathing equipment

Abstract

The utility model discloses a ventilation nasal mask and breathing equipment, the ventilation nasal mask comprises a cup and a mask liner, the mask liner comprises an attaching part attached to the face and a supporting part connected with the cup, the attaching part is a single-layer structural member, and the thickness of the attaching part is gradually increased towards one side close to the supporting part. When the ventilation nasal mask is used, the attaching part is buckled on the face of a patient. The ventilation nasal mask is fixed to the head of a patient. When the ventilation nasal mask needs to be cleaned, the ventilation nasal mask is taken off from the head of the patient to be cleaned. According to the ventilation nasal mask provided by the invention, the attaching part is arranged to be a single-layer structural part, the thickness of the attaching part towards the side close to the supporting part is gradually increased, and meanwhile, the situation that the nasal face ventilation nasal mask deforms and cannot be used when it is guaranteed that the attaching part is arranged to be of a single-layer structure is avoided through supporting of the cups. The attaching part is a single-layer structural part, so that the structure is simple, and the ventilation nasal mask is convenient to clean.

Description

Technical Field

[0001] The utility model relates to the technical field of medical care appliances, in particular to a ventilation nasal mask and a breathing device. Background Art

[0002] Ventilation nasal masks are often used in clinical practice to connect to breathing circuits to deliver oxygen and provide patients with continuous positive airway pressure or bi-level positive airway pressure therapy.

[0003] A conventional nasal ventilation mask comprises a mask cushion and a cup mounted on the mask cushion. The cup fixes the nasal ventilation mask to the user's head through a headband. A fitting portion and a mask body support portion located inside the fitting portion are provided at the position where the mask cushion fits the face, that is, the mask cushion is a double-layer structure.

[0004] However, when the patient cleans the mask cushion after use, it is difficult to clean the mask cushion because the interior of the mask cushion has a double-layer structure.

[0005] Therefore, how to improve the convenience of cleaning the ventilation nasal mask is a technical problem that needs to be solved urgently by those skilled in the art. Utility Model Content

[0006] The utility model aims to provide a nasal ventilation mask, which is easy to clean. Another purpose of the utility model is to provide a respiratory device comprising the nasal ventilation mask.

[0007] The ventilation nasal mask provided in this application includes:

[0008] Cup size;

[0009] The mask pad comprises a fitting portion fitted with the face and a supporting portion connected with the cup, the fitting portion is a single-layer structural component, and the thickness of the fitting portion gradually increases toward a side away from the supporting portion.

[0010] Optionally, in the above-mentioned ventilation nasal mask, the mask cushion further includes an elastic buffer portion having two ends respectively connected to the fitting portion and the supporting portion, and the elastic buffer portion has a buffer groove concave toward the interior of the mask cushion.

[0011] Optionally, in the above-mentioned ventilation nasal mask, the buffer grooves include two, one of which is located at the nasal cavity fitting part of the ventilation nasal mask, and the other is located at the chin fitting part of the ventilation nasal mask.

[0012] Optionally, in the above-mentioned ventilation nasal mask, the mask cushion is provided with a reinforcing rib at the junction of the elastic buffer portion and the fitting portion, and the reinforcing rib is located on the inner side of the mask cushion.

[0013] Optionally, in the above-mentioned ventilation nasal mask, the mask liner is an integrally formed self-adhesive silicone structure.

[0014] Optionally, in the above-mentioned ventilation nasal mask, the ventilation nasal mask also includes a first joint and an elbow, the first end of the first joint is provided with a barbed hook engaged with the support part, the second end of the first joint is provided with a mounting groove, the first end of the elbow is inserted into the mounting groove, and the outer periphery of the first end of the elbow is provided with a groove, the cup includes a main body, the first end of the main body is provided with a first clamping piece that is engaged with the groove, the second end of the main body is provided with a second clamping piece, the second end of the first joint is provided with a limiting protrusion that is engaged with the second clamping piece, and the first joint and the elbow form an air inlet channel connected to the inner side of the mask cushion.

[0015] Optionally, in the above-mentioned ventilation nasal mask, the elbow is rotatably connected to the first joint, the mounting groove is an annular groove body, and the first joint is fixedly connected to the cup.

[0016] Optionally, the above-mentioned ventilation nasal mask further includes a headband buckle, which includes two headband buckles, and the two headband buckles are rotatably connected to two opposite cups. A buckle body is provided on the headband buckle, and the first end of the buckle body is rotatably connected to the cup. A first mounting hole is provided at the second end of the buckle body, and the first mounting hole is used to install the headband. When the second end of the buckle body is rotated, it can rotate away from and close to the user's face.

[0017] Optionally, in the above-mentioned ventilation nasal mask, the cup includes a body, and the second end of the body is provided with two second mounting holes, and the second mounting holes are used for mounting a headband.

[0018] A respiratory device comprises a ventilator and a nasal ventilation mask connected to the ventilator, wherein the nasal ventilation mask is any one of the nasal ventilation masks described above.

[0019] In the above technical scheme, the ventilation nasal mask provided by the utility model includes a cup and a mask cushion, the mask cushion includes a fitting portion that fits with the face and a supporting portion connected to the cup, the fitting portion is a single-layer structural member, and the thickness of the fitting portion gradually increases toward the side close to the supporting portion. When the ventilation nasal mask is used, the fitting portion is buckled onto the patient's face. The ventilation nasal mask is fixed to the patient's head. When the ventilation nasal mask needs to be cleaned, the ventilation nasal mask is removed from the patient's head for cleaning.

[0020] It can be seen from the above description that in the ventilation nasal mask provided by the present application, the fitting part is set as a single-layer structural member, and the thickness of the fitting part gradually increases toward the side close to the support part, and at the same time, through the cup support, when the fitting part is set as a single-layer structure, the nasal ventilation nasal mask is deformed and cannot be used. Since the fitting part is a single-layer structural member, the structure is simple, which makes it easy to clean the ventilation nasal mask. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] 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 in the following description are only embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on the provided drawings without paying creative work.

[0022] Figure 1 A schematic diagram of the structure of a ventilation nasal mask provided by an embodiment of the utility model;

[0023] Figure 2 for Figure 1 A side view of the ventilation nasal mask shown;

[0024] Figure 3 for Figure 2 The schematic diagram of the structure of the ventilation nasal mask along the AA direction is shown;

[0025] Figure 4 for Figure 3 An enlarged view of part B of the ventilation nasal mask is shown;

[0026] Figure 5 An exploded view of a ventilation nasal mask provided by an embodiment of the utility model;

[0027] Figure 6 A schematic diagram of the structure of a headband provided by an embodiment of the utility model;

[0028] Figure 7 This is a schematic structural diagram of an elbow provided in an embodiment of the utility model.

[0029] in Figure 1-7 middle:

[0030] 1-mask pad, 11-fitting part, 12-reinforcement rib, 13-elastic buffer part, 14-support part, 15-buffer groove, 15a-buffer groove, 15b-buffer groove, 16-water tank;

[0031] 2-first joint, 21-barbed hook, 22-limiting protrusion, 23-installation slot;

[0032] 3-cup, 31-second mounting hole, 32-body, 33-second clamping piece, 34-first clamping piece;

[0033] 4-elbow, 41-vent, 42-plane, 43-slot;

[0034] 5-headband buckle, 51-first mounting hole, 52-weight reduction hole, 53-buckle body;

[0035] 6-Headband;

[0036] 7- Second connector. DETAILED DESCRIPTION

[0037] The core of the utility model is to provide a nasal ventilation mask, which is easy to clean. Another core of the utility model is to provide a breathing device including the nasal ventilation mask.

[0038] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention is further described in detail below in conjunction with the accompanying drawings and implementation methods.

[0039] Please refer to Figures 1 to 7 .

[0040] In a specific embodiment, the ventilation nasal mask provided by the specific embodiment of the utility model includes a cup 3 and a mask cushion 1, and the cup 3 serves as a fixing bracket of the ventilation nasal mask and is connected with other products. Specifically, the cup 3 can be a plastic structure, and in order to reduce weight, while ensuring strength, a weight reduction hole is set on the cup 3.

[0041] The mask liner 1 includes a fitting portion 11 fitted with the face and a support portion 14 connected to the cup 3, the fitting portion 11 is a single-layer structure, and the thickness of the fitting portion 11 gradually increases toward the side close to the support portion 14. Specifically, the thickness of the support portion 14 can gradually increase toward the end connected to the cup 3, or the support portion 14 can be a structure with the same thickness.

[0042] In the specific setting, the edge of the fitting portion 11 close to one end of the supporting portion 14 is rolled inward to form a groove structure. Even if water droplets generated in the mask liner 1 during use by the patient are attached to the mask liner 1, they can be accumulated in the groove structure position under the action of gravity to reduce damage to the patient's face.

[0043] When using the nasal ventilation mask, the fitting portion 11 is buckled onto the patient's face. The nasal ventilation mask is fixed to the patient's head. When the nasal ventilation mask needs to be cleaned, the nasal ventilation mask is taken off the patient's head for cleaning.

[0044] It can be seen from the above description that in the ventilation nasal mask provided in the specific embodiment of the present application, the fitting portion 11 is set as a single-layer structure, and the thickness of the fitting portion 11 gradually increases toward the side close to the support portion 14, and is supported by the cup 3. When the fitting portion 11 is set as a single-layer structure, the nasal ventilation nasal mask is deformed and cannot be used. Since the fitting portion 11 is a single-layer structure, the structure is simple, which makes it easy to clean the ventilation nasal mask.

[0045] On the other hand, the fitting portion 11 is configured as a single layer with a gradient thickness structure, which is convenient for cleaning, does not curl when worn, and has better airtightness.

[0046] In order to improve assembly efficiency, preferably, the cup 3 is an integrally formed structure. Specifically, the cup 3 can be a plastic part.

[0047] In order to improve the sealing performance, the mask liner 1 further comprises an elastic buffer portion 13 with two ends respectively connected to the fitting portion 11 and the supporting portion 14, and the buffer portion has a buffer groove 15 concave toward the inside of the mask liner 1. In order to facilitate the position deformation of the elastic buffer portion 13, preferably, the thickness of the elastic buffer portion 13 is smaller than that of the supporting portion 14.

[0048] In a specific embodiment, the elastic buffer portion 13 may be an annular groove body, and one end of the elastic buffer portion is integrally connected with the edge of the fitting portion 11 , and the other end is integrally connected with the edge of the supporting portion 14 .

[0049] like Figure 3 As shown, in another embodiment, the buffer groove 15 includes two, one of which is located at the nasal cavity fitting part of the ventilation nasal mask, and the other is located at the jaw fitting part of the ventilation nasal mask. Specifically, the length direction of the buffer groove 15 extends along the edge of the fitting part 11. Figure 5 As shown, the two buffer grooves 15 are respectively a buffer groove 15a and a buffer groove 15b.

[0050] The mask cushion 1 is provided with a reinforcing rib 12 at the junction of the elastic buffer portion 13 and the fitting portion 11. The reinforcing rib 12 is located on the inner side of the mask cushion 1, wherein the inner side of the mask cushion 1 is the side close to the patient's face. Of course, the reinforcing rib 12 can also be arranged on the outer side of the mask cushion 1. By providing the reinforcing rib 12, it can be fixedly connected with the elastic buffer portion 13. Alternatively, the elastic buffer portion 13, the fitting portion 11 and the reinforcing rib 12 are integrally formed.

[0051] In the specific configuration, preferably, the reinforcing rib 12 is arranged in a ring shape around the edge of the fitting portion 11 .

[0052] The mask pad 1 is an integrated self-adhesive silicone structure. As the core component of the entire ventilation nasal mask, the mask pad 1 is made of a new medical-grade self-adhesive silicone material. Since silicone has no allergic reaction to the skin, the product can conform to more than 95% of face shapes, has no air leakage during use, is easy to disassemble and clean, and is easy to promote and use.

[0053] like Figure 4 As shown, the ventilation nasal mask also includes a first connector 2 and an elbow 4. Specifically, the elbow 4 can be an L-shaped elbow structure. Preferably, a vent 41 is provided at the top of the middle angle position of the elbow 4 to reduce carbon dioxide retention. Specifically, a plane 42 is provided at the top of the middle angle position of the elbow 4, and the vent 41 is arranged on the plane 42. Specifically, there are multiple vents 41, and all vents 41 can be arranged in an array.

[0054] In order to reduce the impurities from entering the patient-facing side of the nasal mask through the vent 41, preferably, a filter is provided at the position of the vent 41 of the elbow 4, or the size of the vent 41 is made relatively small. Alternatively, a one-way valve is provided at the position of the vent 41, so that the air can only be exhausted to the outside of the nasal mask through the vent 41.

[0055] The first joint 2 and the elbow 4 form an air inlet passage connected to the inner side of the mask liner 1. Specifically, the first joint 2 and the elbow 4 are a middle-hole tube structure. Specifically, the first joint 2 and the elbow 4 can be plastic parts, and the first joint 2 and the elbow 4 can be fixedly connected or rotatably connected.

[0056] like Figure 4 As shown, the first end of the first connector 2 is provided with a barbed hook 21 that is engaged with the support portion 14. Specifically, the barbed hook 21 is connected to the first connector 2 at one end, and the free end is bent to be close to the first connector 2. The support portion 14 can be provided with a groove body that accommodates the barbed hook 21. During assembly, the barbed hook 21 is pushed into the groove body by deforming the open end of the groove body of the gas structure part to achieve engagement.

[0057] The second end of the first joint 2 is provided with a mounting groove 23, the first end of the elbow 4 is inserted into the mounting groove 23, and the outer periphery of the first end of the elbow 4 is provided with a clamping groove 43. The cup 3 includes a body 32, the first end of the body 32 is provided with a first clamping member 34 clamped into the clamping groove 43, the first end of the body 32 is provided with a second clamping member 33, and the second end of the first joint 2 is provided with a limiting protrusion 22 clamped with the second clamping member 33. When in use, the first joint 2, the elbow 4 and the cup 3 are assembled and fixed as a whole.

[0058] When the ventilation nasal mask is specifically assembled, the barbed hook 21 is first inserted into the groove of the support portion 14 to realize the assembly of the first joint 2 and the mask cushion 1. Then one end of the elbow 4 is pushed into the installation groove 23. Then the cup 3 is installed. Specifically, the first clamping piece 34 is inserted into the clamping groove 43, and the second clamping piece 33 of the cup 3 is clamped with the limiting protrusion 22 to realize the overall assembly of the cup 3, the elbow 4 and the first joint 2.

[0059] The cup 3 may be an elastic structure, such as a plastic part. When in use, the cup 3 is slightly deformed to achieve snap connection with the first joint 2 and the elbow 4.

[0060] For ease of use, two second mounting holes 31 are provided at the second end of the body 32 , and the second mounting holes 31 are used to mount the headband 6 .

[0061] The ventilation nasal mask provided by the present application also includes a headband buckle 5, which includes two headband buckles 5. Preferably, the headband 6 buckle is an integrally formed structure, which can be a plastic part. The two headband buckles 5 can be rotatably connected to two opposite cups 3. The headband buckle 5 is provided with a buckle body 53. The first end of the buckle body 53 is rotatably connected to the cup 3. The second end of the buckle body 53 is provided with a first mounting hole 51. The first mounting hole 51 is used to install the headband 6. When the second end of the buckle body 53 rotates, it can rotate away from and close to the user's face.

[0062] Specifically, the buckle body 53 can be detachably connected to the cup 3. After the size of the headband 6 is adjusted, the buckle body 53 is separated from the cup 3 to realize the removal of the ventilation nasal mask, thereby avoiding the situation where the ventilation nasal mask needs to be removed by removing the headband 6 and the size of the headband 6 needs to be adjusted again for the next use. In specific use, by purchasing the headband buckle 5, that is, after the headband 6 is adjusted for the first time, there is no need to adjust the length of the headband 6 later, and the headband buckle 5 can be directly buckled to complete the wearing, which is convenient for disassembly and assembly, and more convenient for medical staff or patients to use.

[0063] In order to reduce weight, preferably, a weight-reducing hole 52 is provided on the headband buckle 5 .

[0064] The mounting groove 23 is an annular groove body, and the first joint 2 is fixedly connected to the cup 3 .

[0065] Specifically, the other end of the elbow 4 away from the first joint 2 is provided with a second joint 7, and the second joint 7 can be fixedly connected or rotatably connected to the elbow 4. The second joint 7 is connected to the pipeline of the ventilator and can rotate freely, conforming to the ISO-OD22 international standard, and is universal to all pipeline systems on the market, so as to be compatible with a variety of ventilators.

[0066] In order to make the cup 3 better fit the patient, preferably, the cup 3 is elastic, and the middle part of the body 32 is an arc-shaped part that bulges away from the mask cushion 1.

[0067] The ventilation nasal mask provided in the present application is more ergonomic, the mask pad 1 fits the face better, and is less likely to cause pressure sores after long-term use.

[0068] Specifically, the ventilation nasal mask provided in the present application can adopt laser cutting and edge sealing technology, has no burrs, is more comfortable to wear, and is easy to promote widely.

[0069] The present application provides a respiratory device, including a ventilator and a nasal ventilation mask connected to the ventilator, wherein the nasal ventilation mask is any of the above-mentioned nasal ventilation masks. The above-mentioned specific structure of the nasal ventilation mask is described, and the present application includes the above-mentioned nasal ventilation mask, which also has the above-mentioned technical effects.

[0070] The various embodiments in this specification are described in a progressive manner, and each embodiment focuses on the differences from other embodiments. The same or similar parts between the various embodiments can be referenced to each other.

[0071] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A ventilation nasal mask, characterized in that: include: Cup size (3); A mask pad (1), the mask pad (1) comprising a fitting portion (11) fitted to the face and a supporting portion (14) connected to the cup (3), the fitting portion (11) being a single-layer structural member, and the thickness of the fitting portion (11) gradually increases towards a side away from the supporting portion (14).

2. The ventilation nasal mask according to claim 1, characterized in that: The mask liner (1) further comprises an elastic buffer portion (13) whose two ends are respectively connected to the fitting portion (11) and the supporting portion (14); the elastic buffer portion (13) comprises a buffer groove (15) which is concave toward the interior of the mask liner (1).

3. The ventilation nasal mask according to claim 2, characterized in that: The buffer grooves (15) include two buffer grooves (15), one of which is located at the nasal cavity fitting part of the ventilation nasal mask, and the other is located at the chin fitting part of the ventilation nasal mask.

4. The ventilation nasal mask according to claim 2, characterized in that: The mask liner (1) is provided with a reinforcing rib (12) at the connection position between the elastic buffer portion (13) and the fitting portion (11), and the reinforcing rib (12) is located on the inner side of the mask liner (1).

5. The ventilation nasal mask according to claim 1, characterized in that: The mask liner (1) is an integrally formed self-adhesive silicone structure.

6. The ventilation nasal mask according to claim 1, characterized in that: The ventilation nasal mask further comprises a first joint (2) and an elbow (4); the first end of the first joint (2) is provided with a barbed hook (21) engaged with the support portion (14); the second end of the first joint (2) is provided with a mounting groove (23); the first end of the elbow (4) is inserted into the mounting groove (23); and a groove (43) is provided on the outer periphery of the first end of the elbow (4); the cup (3) comprises a body (32); the first end of the body (32) is provided with a first clamping piece (34) engaged with the groove (43); the second end of the body (32) is provided with a second clamping piece (33); the second end of the first joint (2) is provided with a limiting protrusion (22) engaged with the second clamping piece (33); and the first joint (2) and the elbow (4) form an air inlet passage communicating with the inner side of the mask cushion (1).

7. The ventilation nasal mask according to claim 6, characterized in that: The elbow (4) is rotatably connected to the first joint (2), the mounting groove (23) is an annular groove body, and the first joint (2) is fixedly connected to the cup (3).

8. The ventilation nasal mask according to claim 1, characterized in that: The invention also comprises a headband buckle (5), wherein the headband buckle (5) comprises two headband buckles (5), the two headband buckles (5) are rotatably connected to two opposite sides of the cups (3), a buckle body (53) is provided on the headband buckle (5), a first end of the buckle body (53) is rotatably connected to the cup (3), a second end of the buckle body (53) is provided with a first mounting hole (51), the first mounting hole (51) is used for mounting the headband, and the second end of the buckle body (53) can be rotated away from and towards the user's face when rotating.

9. The ventilation nasal mask according to claim 1, characterized in that: The cup (3) comprises a body (32), and the second end of the body (32) is provided with two second mounting holes (31), and the second mounting holes (31) are used for mounting a headband.

10. A respiratory device, comprising a ventilator and a nasal ventilation mask connected to the ventilator, characterized in that: The ventilation nasal mask is the ventilation nasal mask according to any one of claims 1 to 9.

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