CN206482957U - Noninvasive ventilator mask - Google Patents
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- CN206482957U CN206482957U CN201621317045.2U CN201621317045U CN206482957U CN 206482957 U CN206482957 U CN 206482957U CN 201621317045 U CN201621317045 U CN 201621317045U CN 206482957 U CN206482957 U CN 206482957U
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- 229920001296 polysiloxane Polymers 0.000 claims abstract description 43
- 125000006850 spacer group Chemical group 0.000 claims description 12
- 239000002775 capsule Substances 0.000 claims description 11
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 9
- 239000000741 silica gel Substances 0.000 claims description 9
- 229910002027 silica gel Inorganic materials 0.000 claims description 9
- 230000008961 swelling Effects 0.000 claims description 5
- 210000001061 forehead Anatomy 0.000 claims description 4
- 230000001815 facial effect Effects 0.000 abstract description 7
- 238000007789 sealing Methods 0.000 abstract description 2
- 208000027418 Wounds and injury Diseases 0.000 description 3
- 230000006378 damage Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 208000014674 injury Diseases 0.000 description 3
- 230000036541 health Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229920000915 polyvinyl chloride Polymers 0.000 description 2
- 239000004800 polyvinyl chloride Substances 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 206010009126 Chronic respiratory failure Diseases 0.000 description 1
- 208000000059 Dyspnea Diseases 0.000 description 1
- 206010013975 Dyspnoeas Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 201000004193 respiratory failure Diseases 0.000 description 1
- 201000002859 sleep apnea Diseases 0.000 description 1
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Abstract
本实用新型公开了一种无创呼吸机面罩，包括：面罩本体；硅胶圈，其设置在面罩本体的边沿处，硅胶圈包括相互叠加设置的多层真空囊层，相互叠加设置的多层真空囊层的宽度逐渐增加，且多层真空囊层的侧壁自靠近面罩本体的硅胶圈的一侧向硅胶圈的另一侧呈台阶状分布，多层真空囊层中任一层真空囊层鼓胀后的最大厚度小于3mm；硅胶圈层还包括多个单向进气阀，其一一对应设置在多层真空囊层上，且设置在多层真空囊层的呈台阶状分布的侧壁上；纱布层，其设置在硅胶层的另一侧上。本实用新型佩戴舒适，密封性强，可根据病人的面部轮廓对面罩本体进行高度和弹性度调节，使用方便，减小对病人面部的摩擦力，保证长时间佩戴也不会产生压伤。
The utility model discloses a non-invasive ventilator mask, which comprises: a mask body; a silicone ring, which is arranged at the edge of the mask body, and the silicone ring includes multi-layer vacuum bag layers superimposed on each other, and multi-layer vacuum bag layers superimposed on each other The width of the layer gradually increases, and the side wall of the multi-layer vacuum bag layer is distributed in steps from one side of the silicone ring close to the mask body to the other side of the silicone ring, and any one of the multi-layer vacuum bag layers is bulging The maximum thickness of the rear end is less than 3mm; the silicone ring layer also includes a plurality of one-way inlet valves, which are arranged on the multi-layer vacuum bag layer one by one, and are arranged on the side walls of the multi-layer vacuum bag layer that are distributed in a step shape ; a gauze layer disposed on the other side of the silicone layer. The utility model is comfortable to wear and has strong sealing performance. The height and elasticity of the mask body can be adjusted according to the patient's facial contour.
Description
技术领域technical field
本实用新型涉及医疗卫生技术领域，特别涉及一种无创呼吸机面罩，主要应用于医院中各种原因引起呼吸困难的病人及由于睡眠呼吸暂停综合征或其他疾病导致慢性呼吸衰竭病人的家庭长期治疗使用。The utility model relates to the field of medical and health technology, in particular to a non-invasive ventilator mask, which is mainly used in the long-term home treatment of patients with dyspnea caused by various reasons in hospitals and patients with chronic respiratory failure caused by sleep apnea syndrome or other diseases. use.
背景技术Background technique
面罩作为无创呼吸机与患者之间的界面与患者直接接触，在治疗过程中有着举足轻重的作用。无创呼吸机面罩作为医疗卫生领域的一个重要的器械，越来越受到市场和医疗机构的重视。目前在国内，大部分医护人员在进行无创呼吸机治疗时仍然使用传统的无创呼吸机面罩，传统的无创呼吸机面罩结构固定有如下的缺点：1、目前使用的无创呼吸机面罩外形都是一次倒模定型而成，鼻夹位置固定，无法适用于所有患者，因为不同的患者的脸型和鼻子的高度不尽相同，就存在面罩与患者不匹配的问题，面罩不能很好地在患者面部固定，增大面罩的漏气量，降低通气效果。2、患者长期佩戴这种不匹配的无创呼吸机面罩，且传统的无创呼吸机面罩固定的质地较硬，对患者皮肤磨损性大，患者佩戴会感到不适，甚至出现压伤。As the interface between the non-invasive ventilator and the patient, the face mask is in direct contact with the patient and plays a pivotal role in the treatment process. As an important device in the medical and health field, the non-invasive ventilator mask has attracted more and more attention from the market and medical institutions. At present, in China, most medical staff still use traditional non-invasive ventilator masks when performing non-invasive ventilator treatment. The structure of traditional non-invasive ventilator masks has the following disadvantages: 1. The shape of non-invasive ventilator masks currently used is one-time It is made by inverted molding, and the position of the nose clip is fixed, so it cannot be applied to all patients, because different patients have different face shapes and nose heights, so there is a problem that the mask does not match the patient, and the mask cannot be well fixed on the patient's face , increase the air leakage of the mask and reduce the ventilation effect. 2. The patient wears this mismatched non-invasive ventilator mask for a long time, and the fixed texture of the traditional non-invasive ventilator mask is relatively hard, which is very abrasive to the patient's skin, and the patient will feel uncomfortable or even crushed when wearing it.
实用新型内容Utility model content
本实用新型的一个目的是解决至少上述问题，并提供至少后面将说明的优点。An object of the present invention is to solve at least the above-mentioned problems and provide at least the advantages which will be described later.
本实用新型还有一个目的是提供一种无创呼吸机面罩，佩戴舒适，密封性强，可根据病人的面部轮廓对面罩本体进行高度和弹性度调节，使用方便，减小对病人面部的摩擦力，保证长时间佩戴也不会产生压伤。Another purpose of this utility model is to provide a non-invasive ventilator mask, which is comfortable to wear and has strong sealing performance. The height and elasticity of the mask body can be adjusted according to the patient's facial contour, which is convenient to use and reduces the friction on the patient's face. , to ensure that there will be no pressure injury when worn for a long time.
为了实现根据本实用新型的这些目的和其它优点，提供了一种无创呼吸机面罩，包括：In order to achieve these purposes and other advantages according to the utility model, a non-invasive ventilator mask is provided, comprising:
面罩本体；mask body;
硅胶圈，其设置在所述面罩本体的边沿处，所述硅胶圈包括相互叠加设置的多层真空囊层，相互叠加设置的所述多层真空囊层的宽度逐渐增加，且所述多层真空囊层的侧壁自靠近所述面罩本体的所述硅胶圈的一侧向所述硅胶圈的另一侧呈台阶状分布，所述多层真空囊层中任一层真空囊层鼓胀后的最大厚度小于3mm；所述硅胶圈层还包括多个单向进气阀，其一一对应设置在所述多层真空囊层上，且设置在多层真空囊层的呈台阶状分布的侧壁上；纱布层，其设置在所述硅胶层的另一侧上。Silicone ring, which is arranged on the edge of the mask body, the silicone ring includes multi-layer vacuum bag layers that are superimposed on each other, the width of the multi-layer vacuum bag layers that are superimposed on each other gradually increases, and the multi-layer vacuum bag layers The side wall of the vacuum capsule layer is distributed in steps from one side of the silicone ring close to the mask body to the other side of the silicone ring. The maximum thickness is less than 3mm; the silicone ring layer also includes a plurality of one-way inlet valves, which are arranged on the multi-layer vacuum bag layer one by one, and are arranged on the step-shaped distribution of the multi-layer vacuum bag layer. On the side wall; a gauze layer, which is arranged on the other side of the silica gel layer.
优选的是，还包括：多个贯通孔，其贯通设置在所述硅胶圈上，且所述多个贯通孔自所述硅胶圈的另一侧向所述多层真空囊层的呈台阶状分布的侧壁延伸设置。Preferably, it also includes: a plurality of through holes, which are arranged through the silicone ring, and the plurality of through holes are stepped from the other side of the silicone ring to the multi-layer vacuum bag layer. Distributed sidewall extension set.
优选的是，相邻两个真空囊层的台阶状的差值为2-4mm。Preferably, the step difference between two adjacent vacuum bag layers is 2-4 mm.
优选的是，所述多个单向进气阀为硅胶材质，单向进气阀的开口处设置有硅胶柱塞。Preferably, the plurality of one-way intake valves are made of silica gel, and a silica gel plunger is provided at the opening of the one-way intake valves.
优选的是，还包括楔形垫片，其自所述硅胶圈层向两侧延伸设置在所述面罩本体的两侧的固定带的正下方，且楔形垫片包括多层相互叠加设置的与所述多层真空囊层相互连通的多层侧分支真空囊层，所述楔形垫片的长度为5-10cm；“T”形垫片，其自所述硅胶圈层向上延伸设置在所述面罩本体的额部固定带的正下方，且“T”形垫片包括多层相互叠加设置的与所述多层真空囊层相互连通的多层上分支真空囊层。Preferably, it also includes a wedge-shaped spacer, which extends from the silicone ring layer to both sides and is arranged directly under the fixing straps on both sides of the mask body, and the wedge-shaped spacer includes multiple layers that are superimposed on each other and arranged with the The multi-layer side branch vacuum bag layer that the multi-layer vacuum bag layer communicates with each other, the length of the wedge-shaped gasket is 5-10cm; the "T" shaped gasket extends upward from the silicone ring layer and is arranged on the mask Right below the forehead fixing belt of the main body, and the "T" shaped spacer includes multiple layers of upper branch vacuum bag layers that are stacked and communicated with the multi-layer vacuum bag layers.
优选的是，所述楔形垫片的任一层侧分支真空囊层鼓胀后的厚度为1-2mm；所述“T”形垫片的任一层上分支真空囊层鼓胀后的厚度为1-2mm。Preferably, the thickness of any side branch vacuum bag layer of the wedge-shaped gasket after swelling is 1-2mm; the thickness of any layer of the upper branch of the "T" shaped gasket after swelling is 1 mm. -2mm.
优选的是，所述多层真空囊层包含2-5层真空囊层。Preferably, the multi-layer vacuum capsule layer comprises 2-5 vacuum capsule layers.
本实用新型至少包括以下有益效果：The utility model at least includes the following beneficial effects:
面罩本体采用聚氯乙烯材质，而硅胶圈层才用伸缩性能好的硅胶材质，因此面罩具有伸缩性好的特点，可以将面罩很好的贴合、固定在病人面部，保证通气量；但是，由于病人的面部轮廓不同，而面罩本体的结构是固定的，因此，本方案中硅胶圈层设置为相互叠加的多层真空囊层，当面罩本体的高度不够，或者轮廓不合适时，可以将其中一层或者多层真空囊层的多个单向进气阀打开，使得一层或者多层真空囊层自动充气鼓胀，从而可以简单有效的调节面罩本体的高度和面罩本体的轮廓；多个单向进气阀的设置位置保证其进气端朝向病人的面部的外侧，不会影响病人佩戴的舒适度；另外，本方案中还在接触病人面部皮肤一侧设置了纱布层，进而减小面罩本体对病人皮肤的摩擦力，长时间佩戴也不会产生压伤。The mask body is made of polyvinyl chloride, and the silicone ring layer is made of silicone material with good stretchability, so the mask has good stretchability, and can fit and fix the mask on the patient's face well to ensure ventilation; however, Since the patient's facial contours are different, the structure of the mask body is fixed. Therefore, in this solution, the silicone ring layer is set as a multi-layer vacuum bag layer superimposed on each other. When the height of the mask body is not enough or the contour is not suitable, the Multiple one-way intake valves of one or more vacuum bag layers are opened, so that one or more vacuum bag layers are automatically inflated and inflated, so that the height of the mask body and the contour of the mask body can be adjusted simply and effectively; multiple The setting position of the one-way air intake valve ensures that the air intake end faces the outside of the patient's face, which will not affect the patient's wearing comfort; in addition, in this solution, a gauze layer is set on the side contacting the patient's facial skin, thereby reducing the The friction force of the mask body against the patient's skin will not cause pressure injury after wearing for a long time.
本实用新型的其它优点、目标和特征将部分通过下面的说明体现，部分还将通过对本实用新型的研究和实践而为本领域的技术人员所理解。Other advantages, objectives and features of the utility model will partly be embodied through the following description, and partly will be understood by those skilled in the art through the research and practice of the utility model.
附图说明Description of drawings
图1为本实用新型所述的无创呼吸机面罩的侧面结构示意图；Fig. 1 is the side structure schematic diagram of the non-invasive ventilator mask described in the utility model;
图2为本实用新型所述的无创呼吸机面罩的立体结构示意图；Fig. 2 is the schematic diagram of the three-dimensional structure of the non-invasive ventilator mask described in the utility model;
图3为本实用新型所述的无创呼吸机面罩的硅胶圈层的剖面结构示意图。Fig. 3 is a schematic cross-sectional structure diagram of the silicone ring layer of the non-invasive ventilator mask of the present invention.
具体实施方式detailed description
下面结合附图对本实用新型做进一步的详细说明，以令本领域技术人员参照说明书文字能够据以实施。The utility model will be described in further detail below in conjunction with the accompanying drawings, so that those skilled in the art can implement it by referring to the description.
应当理解，本文所使用的诸如“具有”、“包含”以及“包括”术语并不配出一个或多个其它元件或其组合的存在或添加。It should be understood that terms such as "having", "comprising" and "including" as used herein do not entail the presence or addition of one or more other elements or combinations thereof.
如图1所示，本实用新型提供一种无创呼吸机面罩，包括：As shown in Figure 1, the utility model provides a non-invasive ventilator mask, comprising:
面罩本体100；mask body 100;
硅胶圈200，其设置在所述面罩本体的边沿处，所述硅胶圈包括相互叠加设置的多层真空囊层201，相互叠加设置的所述多层真空囊层的宽度逐渐增加，且所述多层真空囊层的侧壁自靠近所述面罩本体的所述硅胶圈的一侧向所述硅胶圈的另一侧呈台阶状分布，所述多层真空囊层中任一层真空囊层鼓胀后的最大厚度小于3mm；所述硅胶圈层还包括多个单向进气阀202，其一一对应设置在所述多层真空囊层上，且设置在多层真空囊层的呈台阶状分布的侧壁上；纱布层203，其设置在所述硅胶层的另一侧上。Silicone ring 200, which is arranged at the edge of the mask body, said silicone ring includes multi-layer vacuum bag layers 201 superimposed on each other, the width of the multi-layer vacuum bag layers superimposed on each other gradually increases, and said The side wall of the multi-layer vacuum bag layer is distributed in steps from one side of the silicone ring near the mask body to the other side of the silicone ring, and any one of the vacuum bag layers in the multi-layer vacuum bag layer The maximum thickness after swelling is less than 3mm; the silicone ring layer also includes a plurality of one-way inlet valves 202, which are arranged on the multi-layer vacuum bag layer one by one, and are arranged on the multi-layer vacuum bag layer. Shaped distribution on the side wall; gauze layer 203, which is arranged on the other side of the silica gel layer.
本方案中，在面罩本体采用聚氯乙烯材质，而硅胶圈层才用伸缩性能好的硅胶材质，因此面罩具有伸缩性好的特点，可以将面罩很好的贴合、固定在病人面部，保证通气量；但是，由于病人的面部轮廓不同，而面罩本体的结构是固定的，因此，本方案中硅胶圈层设置为相互叠加的多层真空囊层，当面罩本体的高度不够，或者轮廓不合适时，可以将其中一层或者多层真空囊层的多个单向进气阀打开，使得一层或者多层真空囊层自动充气鼓胀，从而可以简单有效的调节面罩本体的高度和面罩本体的轮廓；多个单向进气阀的设置位置保证其进气端朝向病人的面部的外侧，不会影响病人佩戴的舒适度；另外，本方案中还在接触病人面部皮肤一侧设置了纱布层，进而减小面罩本体对病人皮肤的摩擦力，长时间佩戴也不会产生压伤。In this solution, the mask body is made of polyvinyl chloride, and the silicone ring layer is made of silicone material with good stretchability, so the mask has good stretchability, and the mask can be well fitted and fixed on the patient's face to ensure However, because the patient's facial contours are different, the structure of the mask body is fixed. Therefore, in this solution, the silicone ring layer is set as a multi-layer vacuum bag layer superimposed on each other. When the height of the mask body is not enough, or the contour is not When appropriate, multiple one-way intake valves of one or more vacuum bag layers can be opened, so that one or more vacuum bag layers are automatically inflated, so that the height of the mask body and the mask body can be adjusted simply and effectively. The contour of multiple one-way air intake valves is set to ensure that the air intake end is facing the outside of the patient's face, which will not affect the patient's wearing comfort; in addition, in this solution, gauze is also set on the side that contacts the patient's facial skin layer, thereby reducing the friction of the mask body against the patient's skin, and there will be no pressure injury when worn for a long time.
如图3所示，一个优选方案中，还包括：多个贯通孔204，其贯通设置在所述硅胶圈上，且所述多个贯通孔自所述硅胶圈的另一侧向所述多层真空囊层的呈台阶状分布的侧壁延伸设置。本方案中，多个贯通孔设置为提高硅胶圈层的透气度，同时降低其对病人面部的挤压力，在通常情况下，贯通孔的孔径小于2mm。As shown in Figure 3, in a preferred solution, it also includes: a plurality of through holes 204, which are arranged through the silicone ring, and the plurality of through holes extend from the other side of the silicone ring to the plurality of through holes. The step-shaped side walls of the vacuum bag layer are extended. In this solution, a plurality of through-holes are set to increase the air permeability of the silicone ring layer, and at the same time reduce its extrusion force on the patient's face. Under normal circumstances, the diameter of the through-holes is less than 2mm.
如图1所示，一个优选方案中，相邻两个真空囊层的台阶状的差值为2-4mm。本方案中，对相邻两个真空囊层的台阶状的差值进行了进一步的限定，目的在于，为了满足多层真空囊层的设置要求，又不会导致硅胶圈层的另一侧的宽度过宽。As shown in FIG. 1 , in a preferred solution, the step difference between two adjacent vacuum bag layers is 2-4 mm. In this proposal, the step-like difference between two adjacent vacuum capsule layers is further limited. The width is too wide.
如图1所示，一个优选方案中，所述多个单向进气阀为硅胶材质，单向进气阀的开口处设置有硅胶柱塞。多个单向阀可以保证多层真空囊层在未佩戴使用时的真空状态，而需要应用其进气进行调节面罩本体的高度和轮廓时，又要求操作简单快捷，因此，设置硅胶柱塞，在需要时直接拔出即可。As shown in FIG. 1 , in a preferred solution, the plurality of one-way intake valves are made of silica gel, and a silica gel plunger is provided at the opening of the one-way intake valves. Multiple one-way valves can ensure the vacuum state of the multi-layer vacuum bag when it is not worn, but when it is necessary to use its air intake to adjust the height and contour of the mask body, the operation is required to be simple and fast. Therefore, the silicone plunger is set. Just pull it out when needed.
如图2所示，一个优选方案中，还包括楔形垫片205，其自所述硅胶圈层向两侧延伸设置在所述面罩本体的两侧的固定带300的正下方，且楔形垫片包括多层相互叠加设置的与所述多层真空囊层相互连通的多层侧分支真空囊层，所述楔形垫片的长度为5-10cm；“T”形垫片206，其自所述硅胶圈层向上延伸设置在所述面罩本体的额部固定带400的正下方，且“T”形垫片包括多层相互叠加设置的与所述多层真空囊层相互连通的多层上分支真空囊层。在本方案中，楔形垫片和“T”形垫片可以为面罩本体的两侧的固定带和额部固定带提供铺垫，同样可以减少固定带对病人面部的摩擦力，长时间佩戴也不会产生压伤。As shown in Figure 2, in a preferred solution, it also includes a wedge-shaped spacer 205, which extends from the silicone ring layer to both sides and is arranged directly below the fixing bands 300 on both sides of the mask body, and the wedge-shaped spacer It includes multiple layers of side branch vacuum bag layers that are mutually stacked and communicated with the multi-layer vacuum bag layer, and the length of the wedge-shaped spacer is 5-10 cm; The silicone ring layer extends upwards and is arranged directly below the forehead fixing belt 400 of the mask body, and the "T" shaped gasket includes a multi-layer upper branch that is superimposed on each other and communicates with the multi-layer vacuum bag layer. Vacuum capsule. In this solution, the wedge-shaped gasket and the "T"-shaped gasket can provide padding for the fixing belt and the forehead fixing belt on both sides of the mask body, which can also reduce the friction of the fixing belt on the patient's face, and it is not easy to wear it for a long time. Crushing can occur.
一个优选方案中，所述楔形垫片的任一层侧分支真空囊层鼓胀后的厚度为1-2mm；所述“T”形垫片的任一层上分支真空囊层鼓胀后的厚度为1-2mm。In a preferred version, the thickness of any layer of the side branch vacuum bag layer of the wedge-shaped gasket after swelling is 1-2mm; 1-2mm.
如图1或图2所示，一个优选方案中，所述多层真空囊层包含2-5层真空囊层。由于成年的病人面部轮廓一般不会相差过大，设置2-5层真空囊层既可以满足调节的需要，也不会导致硅胶圈层过于累赘，且可以进一步节约其生产成本。As shown in Fig. 1 or Fig. 2, in a preferred solution, the multi-layer vacuum capsule layer includes 2-5 vacuum capsule layers. Since the facial contours of adult patients generally do not differ too much, setting 2-5 layers of vacuum capsules can meet the needs of adjustment, and will not cause the silicone ring layer to be too cumbersome, and can further save its production cost.
尽管本实用新型的实施方案已公开如上，但其并不仅仅限于说明书和实施方式中所列运用，它完全可以被适用于各种适合本实用新型的领域，对于熟悉本领域的人员而言，可容易地实现另外的修改，因此在不背离权利要求及等同范围所限定的一般概念下，本实用新型并不限于特定的细节和这里示出与描述的图例。Although the embodiment of the present utility model has been disclosed as above, it is not limited to the use listed in the description and the implementation, and it can be applied to various fields suitable for the present utility model. For those familiar with the art, Further modifications can be readily effected, so the invention is not limited to the specific details and examples shown and described herein without departing from the general concept defined by the claims and their equivalents.
Claims (7)
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| CN201621317045.2U CN206482957U (en) | 2016-12-02 | 2016-12-02 | Noninvasive ventilator mask |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108568023A (en) * | 2018-06-29 | 2018-09-25 | 南通安企熙医疗科技有限公司 | A kind of oronasal mask of children's lung ventilator |
| CN109200423A (en) * | 2018-11-05 | 2019-01-15 | 厦门靶向科技有限公司 | A kind of noninvasive breathing mask |
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2016
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108568023A (en) * | 2018-06-29 | 2018-09-25 | 南通安企熙医疗科技有限公司 | A kind of oronasal mask of children's lung ventilator |
| CN109200423A (en) * | 2018-11-05 | 2019-01-15 | 厦门靶向科技有限公司 | A kind of noninvasive breathing mask |
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