CN105233380B - Medical atomizer - Google Patents
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- CN105233380B CN105233380B CN201510785890.6A CN201510785890A CN105233380B CN 105233380 B CN105233380 B CN 105233380B CN 201510785890 A CN201510785890 A CN 201510785890A CN 105233380 B CN105233380 B CN 105233380B
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Abstract
Description
技术领域technical field
本发明涉及医疗器械技术领域。The invention relates to the technical field of medical instruments.
背景技术Background technique
雾化吸入治疗呼吸道疾病,是一种重要的、有效的办法,是一种精准医学治疗疾病的办法,采用雾化吸入器将药液通过吸入的方式进入呼吸道和肺部,达到无创、局部治疗、无痛、迅速、有效治疗的目的,还可最大程度避免全身并发症。Nebulization inhalation is an important and effective way to treat respiratory diseases. It is a method of precision medicine to treat diseases. The nebulizer inhaler is used to inhale the medicinal liquid into the respiratory tract and lungs to achieve non-invasive and local treatment. , Painless, rapid and effective treatment, but also to avoid systemic complications to the greatest extent.
目前临床上使用的雾化器的原理主要两种,一种是超声雾化器,一种是射流式雾化器,射流式雾化器根据文丘里喷射原理,利用压缩空气通过细小管口形成高速气流,产生的负压带动液体一起喷射到阻碍物上,在高速撞击下向周围飞溅,使得液滴变成雾滴微粒从出气管喷出。At present, there are two main principles of nebulizers used clinically, one is an ultrasonic nebulizer, and the other is a jet nebulizer. The jet nebulizer uses compressed air to form a nebulizer through a small nozzle according to the principle of Venturi injection. The negative pressure generated by the high-speed airflow drives the liquid to be sprayed onto the obstacle together, and splashes around under the high-speed impact, so that the liquid droplets become mist particles and are sprayed out from the outlet pipe.
但目前临床上使用的射流式雾化器存在三种缺陷:However, there are three defects in the jet nebulizer currently used clinically:
第一:患者呼气时,雾化器排气口在排压、排气的同时,排出雾化药物,导致药物浪费,国家医保投入和患者自身经济损失严重,患者的疗效打折扣;在吸气时,吸入药物同时,有将空气中病原体等污染物吸入气道风险,导致交叉感染;First: When the patient exhales, the exhaust port of the nebulizer discharges the nebulized drug at the same time of decompressing and exhausting, which leads to the waste of the drug, the national medical insurance investment and the patient's own economic loss, and the curative effect of the patient is compromised; When inhaling drugs, there is a risk of inhaling airborne pathogens and other pollutants into the airway, resulting in cross-infection;
第二:患者不能自己控制吸入药物流速,使用不方便;例如在随时都会吐痰的情况下,一个人无法既及时吐痰又及时关闭雾化器,导致药物浪费,使用不方便;Second: The patient cannot control the flow rate of the inhaled drug by himself, which is inconvenient to use; for example, in the case of spitting at any time, a person cannot both spit and turn off the nebulizer in time, resulting in waste of drugs and inconvenient use;
第三:产生雾化药物的效率和速度欠佳,雾化时间过长。Third: The efficiency and speed of generating nebulized drugs are not good, and the nebulization time is too long.
发明内容Contents of the invention
本发明是为了解决现有的医用雾化器药物浪费严重,患者吸气时存在将空气中病原体等污染物吸入气道的风险,使用不方便,产生雾化药物的效率和速度欠佳,雾化时间过长的问题,从而提供一种医用雾化器。The present invention aims to solve the serious waste of medicines in the existing medical nebulizers. When patients inhale, there is a risk of inhaling pollutants such as pathogens in the air into the airway. To solve the problem of too long infusion time, a medical nebulizer is provided.
本发明所述的一种医用雾化器,包括雾化杯、雾化杯芯和雾化盖;A medical atomizer according to the present invention, comprising an atomization cup, an atomization cup core and an atomization cover;
雾化杯的底部设有进气管,进气管的一端设有喷嘴,喷嘴包括喷嘴体和喷嘴孔,喷嘴体呈柱形,喷嘴体的顶端呈圆锥形,喷嘴孔位于喷嘴顶端中心,与进气管相通;雾化杯一侧的上部设有吸嘴口,吸嘴口与雾化杯的连接处设有开关,通过开关控制吸嘴口的开关及开口的大小,雾化杯另一侧的上部设有压力释放口,压力释放口上设有滤膜,雾化盖固定于雾化杯上;The bottom of the atomizing cup is provided with an air intake pipe, and one end of the air intake pipe is provided with a nozzle. The nozzle includes a nozzle body and a nozzle hole. The nozzle body is cylindrical, and the top of the nozzle body is conical. The upper part of one side of the atomization cup is provided with a suction nozzle, and the connection between the suction nozzle and the atomization cup is provided with a switch, which controls the switch of the suction nozzle and the size of the opening, and the upper part of the other side of the atomization cup There is a pressure release port, a filter membrane is set on the pressure release port, and the atomization cover is fixed on the atomization cup;
雾化杯芯包括支撑部和喷嘴罩,支撑部的底部连接喷嘴罩,雾化杯芯固定在雾化杯内,喷嘴罩为圆柱形,喷嘴罩的顶端为圆锥形,其顶端开有小孔,喷嘴罩紧套在喷嘴外部,喷嘴罩的内壁设有窄凹槽,窄凹槽形成气体通道,喷嘴罩的底部设有底部缺口,窄凹槽的一端延伸至所述底部缺口,窄凹槽的另一端与喷嘴和喷嘴罩所围成的空间连通。The atomization cup core includes a support part and a nozzle cover, the bottom of the support part is connected to the nozzle cover, the atomization cup core is fixed in the atomization cup, the nozzle cover is cylindrical, the top of the nozzle cover is conical, and there is a small hole at the top , the nozzle cover is tightly set on the outside of the nozzle, the inner wall of the nozzle cover is provided with a narrow groove, the narrow groove forms a gas channel, the bottom of the nozzle cover is provided with a bottom notch, one end of the narrow groove extends to the bottom notch, and the narrow groove The other end communicates with the space enclosed by the nozzle and the nozzle cover.
与现有雾化器相比,该发明通过将雾化杯整体封闭,结合开关以及滤膜,使得治疗过程中将药物的损耗量降到很低,同时不影响正常使用,不会影响吸入包含雾化药液氧气的正常流量、压力及开关关闭时正常氧气压力流量下雾化杯内的压力,本发明不会增大雾化器的体积。本发明所述的一种医用雾化器,滤膜能排出雾化器内过高的压力,还能阻止雾化的药物外泄,阻止外界气体中的污染物进入,降低交叉感染风险,提高了药物利用率,极大的减少了药物的浪费,滤膜能防水,而且还能拆卸及更换,价格便宜,已经实现工业化生产,不会增加患者和国家医保投入的负担。窄凹槽及底部缺口可保证由进气管进入的氧气与药液接触时产生极高的速度,提高了雾化效率和雾化速度,缩短雾化时间,更容易被患者接受。吸嘴口与雾化杯的连接处设有开关,通过开关控制吸嘴口的开关及开口的大小,实现雾化药物的流量和流速的自由调节,患者单手即可操作,方便患者在不改变体位前提下随时自行关闭雾化器,节省药物;患者在吐痰随时可轻易关闭控制开关,防止浪费药物,易于操作,方便患者。Compared with the existing nebulizer, the invention seals the nebulizer cup as a whole, combines the switch and the filter membrane, so that the loss of the drug during the treatment process is reduced to a very low level, and at the same time, it does not affect the normal use and does not affect the inhalation. The normal flow rate and pressure of the atomized liquid oxygen and the pressure in the atomization cup under the normal oxygen pressure flow rate when the switch is closed, the present invention will not increase the volume of the atomizer. In the medical nebulizer according to the present invention, the filter membrane can discharge the excessive pressure in the nebulizer, prevent the nebulized medicine from leaking out, prevent the pollutants in the external gas from entering, reduce the risk of cross-infection, and improve the It improves the utilization rate of drugs and greatly reduces the waste of drugs. The filter membrane is waterproof, and can be disassembled and replaced. The price is cheap, and industrial production has been realized, which will not increase the burden on patients and national medical insurance investment. The narrow groove and the bottom notch can ensure that the oxygen entering through the intake pipe will produce extremely high speed when it contacts with the liquid medicine, which improves the atomization efficiency and speed, shortens the atomization time, and is easier to be accepted by patients. There is a switch at the connection between the mouth of the suction nozzle and the atomization cup, through which the switch of the mouth of the suction nozzle and the size of the opening can be controlled to realize the free adjustment of the flow rate and flow rate of the atomized medicine, which can be operated by the patient with one hand, which is convenient for the patient to Under the premise of changing the body position, the nebulizer can be turned off at any time to save medicine; the patient can easily turn off the control switch at any time when spitting, preventing waste of medicine, easy to operate, and convenient for patients.
本发明所述的雾化器极大的提高了药物利用率,极大减少了药物浪费,避免了国家医保投入浪费,节省了患者治疗费用,减轻了患者经济负担,极大提高了疗效,对慢阻肺、哮喘患者来说,如果按正常使用量计算,预计一个患者一天节省57.6元,一年节省约2.1万元,十年节省约21万元。本发明易于工业化生产,未增加制造工艺难度,更适用于医疗应用。The nebulizer of the present invention greatly improves the utilization rate of medicine, greatly reduces the waste of medicine, avoids the waste of national medical insurance investment, saves the treatment cost of patients, reduces the economic burden of patients, and greatly improves the curative effect. For patients with chronic obstructive pulmonary disease and asthma, if calculated according to the normal usage, it is estimated that a patient can save 57.6 yuan a day, about 21,000 yuan a year, and about 210,000 yuan in ten years. The invention is easy for industrialized production, does not increase the difficulty of the manufacturing process, and is more suitable for medical application.
本发明适用于治疗呼吸道疾病。The invention is suitable for treating respiratory diseases.
附图说明Description of drawings
图1是具体实施方式一所述的一种医用雾化器的结构示意图。Fig. 1 is a schematic structural view of a medical nebulizer described in Embodiment 1.
具体实施方式Detailed ways
具体实施方式一:参照图1具体说明本实施方式,本实施方式所述的一种医用雾化器,包括雾化杯1、雾化杯芯2和雾化盖3;Specific Embodiment 1: This embodiment will be described in detail with reference to FIG. 1 . A medical nebulizer described in this embodiment includes an atomization cup 1 , an atomization cup core 2 and an atomization cover 3 ;
雾化杯1的底部设有进气管4,进气管4的一端设有喷嘴,喷嘴包括喷嘴体5和喷嘴孔6,喷嘴体5呈柱形,喷嘴体5的顶端呈圆锥形,喷嘴孔6位于喷嘴顶端中心,与进气管4相通;雾化杯1一侧的上部设有吸嘴口7,吸嘴口7与雾化杯1的连接处设有开关13,通过开关13控制吸嘴口7的开关及开口的大小,雾化杯1另一侧的上部设有压力释放口8,压力释放口8上设有滤膜9,雾化盖3固定于雾化杯1上;The bottom of the atomizing cup 1 is provided with an air inlet pipe 4, and one end of the air inlet pipe 4 is provided with a nozzle, the nozzle includes a nozzle body 5 and a nozzle hole 6, the nozzle body 5 is cylindrical, the top of the nozzle body 5 is conical, and the nozzle hole 6 It is located in the center of the top of the nozzle and communicates with the air intake pipe 4; the upper part of the atomization cup 1 is provided with a nozzle opening 7, and a switch 13 is provided at the connection between the suction nozzle opening 7 and the atomization cup 1, and the suction nozzle opening is controlled by the switch 13 The size of the switch and opening of 7, the upper part of the other side of the atomization cup 1 is provided with a pressure release port 8, the pressure release port 8 is provided with a filter membrane 9, and the atomization cover 3 is fixed on the atomization cup 1;
雾化杯芯2包括支撑部21和喷嘴罩22,支撑部21的底部连接喷嘴罩22,雾化杯芯2固定在雾化杯1内,喷嘴罩22为圆柱形,喷嘴罩22的顶端为圆锥形,其顶端开有小孔,喷嘴罩22紧套在喷嘴外部,喷嘴罩22的内壁设有窄凹槽,窄凹槽形成气体通道,喷嘴罩22的底部设有底部缺口221,窄凹槽的一端延伸至所述底部缺口221,窄凹槽的另一端与喷嘴和喷嘴罩22所围成的空间连通。The atomizing cup core 2 includes a support part 21 and a nozzle cover 22, the bottom of the support part 21 is connected to the nozzle cover 22, the atomizing cup core 2 is fixed in the atomizing cup 1, the nozzle cover 22 is cylindrical, and the top end of the nozzle cover 22 is Conical, with a small hole at its top, the nozzle cover 22 is tightly placed on the outside of the nozzle, the inner wall of the nozzle cover 22 is provided with a narrow groove, the narrow groove forms a gas channel, the bottom of the nozzle cover 22 is provided with a bottom gap 221, the narrow groove One end of the groove extends to the bottom notch 221 , and the other end of the narrow groove communicates with the space enclosed by the nozzle and the nozzle cover 22 .
支撑部21通过卡扣连接喷嘴罩22,药液放置于雾化杯1内。The supporting part 21 is connected to the nozzle cover 22 by buckling, and the liquid medicine is placed in the atomizing cup 1 .
具体实施方式二:本实施方式是对具体实施方式一所述的一种医用雾化器作进一步说明,本实施方式中,雾化杯1为圆柱形,底部为漏斗形。Embodiment 2: This embodiment is a further description of the medical nebulizer described in Embodiment 1. In this embodiment, the atomizing cup 1 is cylindrical and the bottom is funnel-shaped.
具体实施方式三:本实施方式是对具体实施方式一或二所述的一种医用雾化器作进一步说明,本实施方式中,支撑部21的侧面设有一号卡扣,雾化杯1的内壁设有二号卡扣,通过一号卡扣和二号卡扣的配合,使雾化杯芯2固定在雾化杯1内。Specific embodiment three: This embodiment is a further description of a medical nebulizer described in specific embodiment one or two. In this embodiment, the side of the support part 21 is provided with a No. 1 buckle. The inner wall is provided with a No. 2 buckle, and through the cooperation of the No. 1 buckle and the No. 2 buckle, the atomizing cup core 2 is fixed in the atomizing cup 1 .
具体实施方式四:本实施方式是对具体实施方式三所述的一种医用雾化器作进一步说明,本实施方式中,窄凹槽的数量为四条,四条窄凹槽均匀分布在喷嘴罩22的内壁上。Embodiment 4: This embodiment is a further description of a medical atomizer described in Embodiment 3. In this embodiment, the number of narrow grooves is four, and the four narrow grooves are evenly distributed on the nozzle cover 22 on the inner wall.
窄凹槽的数量为四条,且均匀分布在喷嘴罩22的内壁上,不仅可以提高雾化效率,还可以保证喷嘴罩22周围的雾化速度相同。The number of narrow grooves is four, and they are evenly distributed on the inner wall of the nozzle cover 22, which can not only improve the atomization efficiency, but also ensure that the atomization speed around the nozzle cover 22 is the same.
具体实施方式五:本实施方式是对具体实施方式一或四所述的一种医用雾化器作进一步说明,本实施方式中,支撑部21的顶部延伸至雾化盖3,雾化盖3将雾化杯芯2压紧在进气管4上。Embodiment 5: This embodiment is a further description of a medical nebulizer described in Embodiment 1 or Embodiment 4. In this embodiment, the top of the support part 21 extends to the atomization cover 3, and the atomization cover 3 Press the atomizing cup core 2 onto the air intake pipe 4.
通过雾化盖3将雾化杯芯2压紧在进气管4上,将雾化杯芯2更加牢固的固定于雾化杯1内。The atomizing cup core 2 is pressed against the air intake pipe 4 through the atomizing cover 3 , and the atomizing cup core 2 is more firmly fixed in the atomizing cup 1 .
具体实施方式六:本实施方式是对具体实施方式五所述的一种医用雾化器作进一步说明,本实施方式中,雾化盖3设有内螺纹,雾化杯1的杯口设有与内螺纹相配合的外螺纹,雾化盖3通过螺纹固定于雾化杯1上。Embodiment 6: This embodiment is a further description of a medical nebulizer described in Embodiment 5. In this embodiment, the atomization cover 3 is provided with internal threads, and the mouth of the atomization cup 1 is provided with The external thread matched with the internal thread, the atomization cover 3 is fixed on the atomization cup 1 through the thread.
具体实施方式七:本实施方式是对具体实施方式一或六所述的一种医用雾化器作进一步说明,本实施方式中,雾化杯芯2靠近压力释放口8一侧的下部设有雾流保护罩11。Embodiment 7: This embodiment is a further description of a medical nebulizer described in Embodiment 1 or Embodiment 6. In this embodiment, the lower part of the atomization cup core 2 near the pressure release port 8 is provided with Fog protection cover 11.
雾流保护罩11可以使产生的雾气流向吸嘴口7,可以减少呼吸的气体对雾化药物气流方向的影响。The mist flow protection cover 11 can make the generated mist flow to the mouthpiece 7, and can reduce the influence of breathed gas on the airflow direction of the atomized medicine.
具体实施方式八:本实施方式是对具体实施方式七所述的一种医用雾化器作进一步说明,本实施方式中,雾化杯1外壁的上部设有扶手挂件10。Embodiment 8: This embodiment is a further description of the medical atomizer described in Embodiment 7. In this embodiment, an armrest pendant 10 is provided on the upper part of the outer wall of the atomization cup 1 .
利用扶手挂件10既便于拿放雾化杯1,又可将雾化器挂起,便于放置。Utilizing the armrest pendant 10 is not only convenient to take and place the atomizing cup 1, but also can hang the atomizer for easy placement.
具体实施方式九:本实施方式是对具体实施方式一、二、四、六或八所述的一种医用雾化器作进一步说明,本实施方式中,雾化杯1上设有浮标刻度12。Specific embodiment nine: This embodiment is a further description of a medical nebulizer described in specific embodiments 1, 2, 4, 6 or 8. In this embodiment, the atomization cup 1 is provided with a buoy scale 12 .
浮标刻度12可以显示出药量。The buoy scale 12 can show the medicine amount.
不能认定本发明的具体实施只局限于这些具体实施方式,对本发明所属技术领域的技术人员来说,在不脱离本发明构思的前提下、不付出创造性劳动前提下,做出若干简单推演、替换或改进等,都应认为属于本发明的保护范围。It cannot be determined that the specific implementation of the present invention is limited to these specific implementation methods. For those skilled in the art to which the present invention belongs, they can make some simple deduction and replacement without departing from the concept of the present invention and without paying creative work. Or improvements, etc., should be considered to belong to the protection scope of the present invention.
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