CN103611209B - Ventilator condensate backflow preventer - Google Patents

Ventilator condensate backflow preventer Download PDF

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Publication number
CN103611209B
CN103611209B CN201310686012.XA CN201310686012A CN103611209B CN 103611209 B CN103611209 B CN 103611209B CN 201310686012 A CN201310686012 A CN 201310686012A CN 103611209 B CN103611209 B CN 103611209B
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ventilator
filter
port
condensate
tee fitting
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CN201310686012.XA
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Chinese (zh)
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CN103611209A (en
Inventor
王峻
徐亚青
蔡江
王振宇
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武汉大学
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Abstract

本发明公开了一种呼吸机冷凝水防倒流装置,包括三通连接件、过滤件和内装干燥剂的干燥瓶,过滤件置于三通连接件内,三通连接件的第一端口连接干燥瓶,其第二端口和第三端口连接呼吸机气管;过滤件呈倒π形,包括一横向滤网和垂直设置于横向过滤网上的两纵向滤网,横向滤网位于三通连接件的第一端口处,两纵向滤网分别位于三通连接件的第二端口和第三端口处;过滤件由具吸水性的材料制备。 The present invention discloses a ventilator condensate backflow prevention means comprises a tee fitting dried flask, and the interior desiccant filter element, the filter element disposed within the tee fitting, a first tee fitting connecting port Drier that the second and third ports connected to the ventilator airway; inverted π-shaped filter element comprising a filter disposed transverse screens and two longitudinal vertical line in the transverse filter, the filter is located transversely of the first tee fitting port, two vertical screen located at the second port and the third port of the three-way connector; preparation of water-absorbent member having a filter material. 本发明可自行吸附呼吸机气管中的水蒸气和已形成的冷凝水,在减轻医护人员的工作量的同时,还可以保证防冷凝水倒流的效果。 The present invention can adsorb water vapor and self-condensate formed ventilator trachea, while reducing the workload of medical staff, but also to ensure that the effect of preventing reverse flow of water condensation.

Description

呼吸机冷凝水防倒流装置 Ventilator condensate backflow preventer

技术领域 FIELD

[0001]本发明属于医疗器械技术领域,尤其涉及一种呼吸机冷凝水防倒流装置。 [0001] The present invention belongs to the technical field of medical devices, particularly to a ventilator condensate backflow preventer.

背景技术 Background technique

[0002]呼吸机是医院广泛使用的一种医疗器械。 [0002] ventilator is a medical instrument widely used in hospitals. 呼吸机使用时在管道内会形成冷凝水,这是由于患者呼吸时呼出的气体在呼吸机管道内因受冷凝结而成。 When using the ventilator condensate formed in the pipe, which is due to the exhaled breathing gas within the patient ventilator due to cold condensed. 冷凝水若不及时处理,可能因积聚进而发生倒流。 Condensate if not in time, and thus backflow may occur due to accumulation. 若倒流冷凝水被患者吸入,则会造成感染,严重的还会致死。 If the condensed water is sucked back in the patient, it will cause infection, but also a serious death.

[0003]目前,防止冷凝水倒流的办法有采用在呼吸机管道最低端加装冷凝水瓶,用于收集凝结的冷凝水;同时还对呼吸机管道进行适当加热,以减小管道内气体温度与室温的差异,减少形成的冷凝水量。 [0003] At present, to prevent backflow of the condensed water approach has employed ventilator installation condensed water bottle lowest end, for collecting the condensed water condensed; ventilator conduit also suitably heated to reduce the temperature and the gas pipe the difference in temperature, to reduce the formation of condensed water. 这些措施虽然可以在一定程度上减少形成的冷凝水,从而减少发生冷凝水倒流的可能,但是防止冷凝水倒流的效果仍然有限,且对呼吸机管道进行加热的措施增加了医护人员的工作量。 While these measures can reduce the formation of condensation water to some extent, thereby reducing the risk of condensation water back, but to prevent the backflow of condensate effect is still limited, and the measures to be heated ventilator increases the workload of medical staff.

发明内容 SUMMARY

[0004]针对现有技术存在的不足,本发明提供了一种无需医护人员操作、且冷凝水防倒流效果更优的呼吸机冷凝水防倒流装置。 [0004] for the shortcomings of the prior art, without the present invention provides a medical operation, and the condensed water is more effective in preventing backflow ventilator condensate backflow preventer.

[0005]为了解决上述技术问题,本发明采用如下的技术方案: [0005] To solve the above problems, the present invention adopts the following technical solution:

[0006]呼吸机冷凝水防倒流装置,包括: [0006] Ventilator condensate backflow preventer, comprising:

[0007]三通连接件、过滤件和内装干燥剂的干燥瓶,过滤件置于三通连接件内,三通连接件的第一端口连接干燥瓶,其第二端口和第三端口连接呼吸机气管;过滤件呈倒形,包括一横向滤网和垂直设置于横向滤网上的两纵向滤网,横向滤网位于三通连接件的第一端口处,两纵向滤网分别位于三通连接件的第二端口和第三端口处;过滤件由具吸水性的材料制备。 [0007] The three-way connector, the filter and desiccant drier bottle interior, the filter element disposed within the tee fitting, a first port connected to the three-way connector dried flask, a second port and a third port connected to a respirator machine trachea; inverted shaped filter element, comprising a three-way connector and a lateral screen disposed perpendicular to the longitudinal direction of the filter on two transverse filter, the filter is located laterally at the first port of the three-way connector, two filters are located in the longitudinal the second port and the third port member; filter element prepared from a material having a water absorbability.

[0008]上述三通连接件采用医用塑料制成,但对采用的无毒医用塑料硬度无特别要求。 [0008] the three-way connector made of plastic for medical, but no special requirements on the hardness of the plastic used in the medical non-toxic.

[0009]上述过滤件具有较强吸水性且分布有滤孔,具体可为海绵。 [0009] The filter element has a strong water-absorbing and filter pore distribution, the sponge may be specifically.

[0010] 上述干燥剂为活性炭,且要保证活性炭粒径不小于过滤件滤孔孔径,以避免活性炭通过过滤件漏入三通连接件内。 [0010] The drying agent was activated carbon, and activated carbon particle diameter is to ensure that the filter element filter-hole diameter, the activated carbon to prevent leakage through the filter element into the tee fitting.

[0011]上述三通连接件与呼吸机气管、干燥瓶均以可拆卸方式连接,具体可采用螺纹方式进行连接。 [0011] The tee fitting with the ventilator airway, dry bottles are detachably connected, in particular can be screw-connected.

[0012]和现有技术相比,本发明产生了如下的有益效果: [0012] and compared with the prior art, the present invention produces the following advantageous effects:

[0013] 1、仅将本发明装置安装与呼吸机气管上,过滤件即可自行吸附呼吸机气管中的水蒸气和已形成的冷凝水,操作简单,可明显减轻医护人员的工作量。 [0013] 1, only the upper mounting means of the present invention with the ventilator airway, the filter element can own the ventilator suction pipe and the condensed water vapor has been formed, simple operation, can significantly reduce the workload of medical staff.

[0014] 2、通过干燥瓶干燥过滤件,从而可保证过滤件吸附水蒸气和冷凝水的能力,继而保证了本发明装置的冷凝水防倒流效果。 [0014] 2, the bottle was dried by drying the filter element, thereby ensuring the water vapor adsorption capacity of the filter element and the condensed water, the condensed water and then ensure backflow effect of the present invention apparatus.

[0015] 3、使用灵活,可根据实际需要,在呼吸机气管上加装一个或多个本发明装置,以达到更好的冷凝水防倒流效果。 [0015] 3, the use of flexible, according to actual needs, in the installation of the ventilator tube or a plurality of devices according to the present invention, to achieve better condensate backflow effect.

附图说明 BRIEF DESCRIPTION

[0016]图1是本发明的具体结构示意图; [0016] FIG. 1 shows the specific structure of the present invention;

[0017]图2是本发明过滤件的具体结构示意图。 [0017] FIG. 2 is a detailed schematic view of the filter element of the present invention.

[0018]图中,I一三通连接件,2—过滤件,2-1—横向滤网,2-2—纵向滤网,3—干燥瓶,4 一呼吸机气管。 [0018] FIG., A tee fitting the I, 2-a filter element, a transverse filter 2-1-, 2-2- vertical filter, 3- dried flask, a ventilator duct 4.

具体实施方式 Detailed ways

[0019]下面将结合附图进一步说明本发明的具体实施方式。 [0019] will be further described in conjunction with specific embodiments of the present invention are shown.

[0020]本发明包括三通连接件1、过滤件2和干燥瓶3,过滤件2置于三通连接件I内;三通连接件I的第一端口连接干燥瓶3瓶口,其第二端口和第三两端口连接呼吸机气管4ο过滤件2呈倒形,包括一横向滤网2-1和两纵向滤网2-2,两纵向滤网2-2均通过粘接方式垂直设置于横向滤网2-1上。 [0020] The present invention comprises a three-way connecting element 1, the filter element 2 and drying the bottle 3, the filter element disposed within the tee fitting 2 I; I tee fitting connected to a first port dried flask bottle 3, its two two-port and a third port connected to the ventilator pipe 4ο filter element 2 has an inverted shape, including a transverse and two longitudinal mesh screen 2-1 2-2, 2-2 are screen through two longitudinal vertically disposed adhesively 2-1 on the transverse filter. 横向滤网2-1位于三通连接件I的第一端口处,两纵向滤网2-2分别位于三通连接件I的第二端口和第三端口处。 2-1 transverse filter located at the first port of the three-way connector I, 2-2 are located in two longitudinal second filter port and the third port of the three-way connector I.

[0021]三通连接件I采用无毒医用塑料制成,对采用的无毒医用塑料硬度无特别要求。 [0021] I tee fitting is made of non-toxic medical plastic, no special requirements on the hardness of the plastic used in the medical non-toxic. 过滤件为吸水性强的薄质无毒材料,且分布有细密滤孔,例如海绵。 The filter element is absorbent and strong quality thin non-toxic materials, and fine filter pore distribution, such as a sponge. 干燥瓶3内装有干燥剂,例如,活性炭,但要控制干燥剂粒径使其不能从分布于过滤件上的滤孔中漏出。 Dried flask 3 that has the desiccant, e.g., activated carbon, but it can not control the particle size of the drying agent from leaking from the filter holes distributed on the filter member. 三通连接件I与呼吸机气管和干燥瓶以可拆卸方式连接,例如,可采用螺纹连接方式进行连接。 I tee fitting connected to the ventilator pipe and detachably drying flasks, e.g., a threaded connection can be connected.

[0022]本发明的工作过程及原理如下: [0022] The principle of the invention and the working process is as follows:

[0023]使用时,根据呼吸机气管长度在适合位置加装本发明,将呼吸机气管以可拆卸方式与三通连接件未连接干燥瓶的两个端口连接。 [0023] In use, the ventilator pipe length according to the position suitable for installation in the present invention, the two ports connected to the ventilator pipe detachably connected to the three-way connector is not dried flask. 过滤件能够在不影响呼吸机气管畅通的情况下吸附呼吸机气管内气体中的水蒸气。 The water vapor in the gas pipe ventilator member can be adsorbed to the filter without affecting the ventilator airway smooth. 对于呼吸机气管内形成的冷凝水,当其流经三通连接件时,会被过滤件迅速吸收。 For the condensate formed in the ventilation duct, as it flows through the three-way connector, the filter element is rapidly absorbed. 由于毛细作用,干燥瓶中干燥剂会对过滤件进行干燥,从而可以保证过滤件对气管内冷凝水的吸收效果。 Due to capillary action, the filter element will dried flask desiccant dried, thereby ensuring absorption effect of intratracheal condensate filter element. 过滤件在吸收冷凝水的同时,其横向滤网还可对干燥瓶中干燥剂起到阻挡作用,防止干燥剂漏入呼吸机三通连接件中。 The filter element while absorbing the condensed water, which also acts as a barrier screen lateral dried flask desiccant, the desiccant to prevent leakage into the tee fitting of the ventilator.

[0024]根据实际需要,可以在呼吸机气管上加装一个或多个本发明装置,以达到更好的冷凝水防倒流效果。 [0024] According to actual needs, can be installed according to the present invention, one or more devices on a ventilator airway, to achieve better condensate backflow effect.

Claims (5)

1.呼吸机冷凝水防倒流装置,其特征在于,包括: 三通连接件、过滤件和内装干燥剂的干燥瓶,过滤件置于三通连接件内,三通连接件的第一端口连接干燥瓶,其第二端口和第三端口连接呼吸机气管;过滤件呈倒31形,包括一横向滤网和垂直设置于横向滤网上的两纵向滤网,横向滤网位于三通连接件的第一端口处,两纵向滤网分别位于三通连接件的第二端口和第三端口处;过滤件由具吸水性的材料制备。 1. Ventilator condensate backflow prevention device, characterized by comprising: a three-way connector, the filter and desiccant drier bottle interior, the filter element disposed within the tee fitting, a first port connected to the three-way connector dried bottle, its second and third ports connected to the ventilator airway; was inverted 31 shaped filter member, comprising a lateral and vertical screen disposed on the two longitudinal lateral sieve filter, the filter is located in the first transverse tee connector a port, two vertical screen located at the second port and the third port of the three-way connector; preparation of water-absorbent member having a filter material.
2.如权利要求1所述的呼吸机冷凝水防倒流装置,其特征在于: 所述的三通连接件采用医用塑料制成。 2. The ventilator according to claim 1 condensate backflow preventer, wherein: said connecting member is made of a three-way medical plastic.
3.如权利要求1所述的呼吸机冷凝水防倒流装置,其特征在于: 所述的过滤件为海绵。 The ventilator as claimed in claim 1, the condensed water backflow preventer, wherein: said filter member is a sponge.
4.如权利要求1所述的呼吸机冷凝水防倒流装置,其特征在于: 所述的干燥剂为活性炭。 4. The ventilator according to claim 1 condensate backflow preventer, wherein: the desiccant is activated.
5.如权利要求1所述的呼吸机冷凝水防倒流装置,其特征在于: 所述的三通连接件与呼吸机气管、干燥瓶均以可拆卸方式连接。 5. The ventilator according to claim 1 condensate backflow preventer, wherein: said three-way connector and the ventilator airway, dry bottles are detachably connected.
CN201310686012.XA 2013-12-16 2013-12-16 Ventilator condensate backflow preventer CN103611209B (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016179746A1 (en) * 2015-05-08 2016-11-17 深圳安维森实业有限公司 Middle division pipe assembly including multifunctional adapter
CN105413032B (en) * 2015-12-08 2017-07-14 扬州永安塑业有限公司 Oxygen tube

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US4417574A (en) * 1982-05-03 1983-11-29 Sherwood Medical Company Liquid drain for patient breathing apparatus
DE3643624A1 (en) * 1986-02-06 1987-08-13 Lang Volker System for eliminating water of condensation that is especially suited to ventilation tube systems
CN101780298A (en) * 2009-01-20 2010-07-21 新广业股份有限公司 Respiration tracheae assembly
CN101856533A (en) * 2009-04-11 2010-10-13 德拉格医疗股份两合公司 Condensing well for breathing tube
DE202013103917U1 (en) * 2013-08-29 2013-09-10 Joachim Kern ventilation arrangement

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US4417574A (en) * 1982-05-03 1983-11-29 Sherwood Medical Company Liquid drain for patient breathing apparatus
DE3643624A1 (en) * 1986-02-06 1987-08-13 Lang Volker System for eliminating water of condensation that is especially suited to ventilation tube systems
CN101780298A (en) * 2009-01-20 2010-07-21 新广业股份有限公司 Respiration tracheae assembly
CN101856533A (en) * 2009-04-11 2010-10-13 德拉格医疗股份两合公司 Condensing well for breathing tube
DE202013103917U1 (en) * 2013-08-29 2013-09-10 Joachim Kern ventilation arrangement

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