The utility model relates to a ventilator temperature increasing humidification cavity, which is divided into a feeding and output section. The water supply pipe is located between the feeding section and the output section. The assembly pipe and the water supplement pipe are located in the shell, and the other end of the feeding section is arranged on the outer shell of the shell which is matched with the tightening screw ring, and the end of the screw ring is stretched into the shell and transport. The end face matching of the section can slide in the relative shell, and a spring is arranged between the inner wall of the outer shell and the slide rail. The left side of the water supplement pipe is provided with a flow guide ring cavity, a water filling cavity is provided on the right side, a hole is arranged on the wall body of the water filling chamber, the wall body is provided with a water absorption layer, and the heating tube is in the cavity of the feeding section, and the wall body is equipped with a liquid cavity and a liquid cavity. Connected flow guide ring cavity. The axial through hole on the heating tube is connected with the water supplement pipe. By improving the pipe structure of the air and oxygen mixed gas at the end of the gas, the mixture can get water from the built water source during the two heating process, and the coordinated change of the absolute humidity and relative humidity of the mixture gas in the pipeline is controlled.
【技术实现步骤摘要】
一种呼吸机增温湿化腔
本技术涉及呼吸内科使用的医疗器械领域,具体涉及了呼吸机中对空、氧混合气体进行增温湿化的腔体结构。
技术介绍
在现代临床医学中,呼吸机是一种能够起到辅助治疗呼吸衰竭,呼吸支持治疗,挽救及延长病人生命的至关重要的医疗设备,作为一项能人工替代自主通气功能的有效手段,普遍用于各种原因所致的呼吸衰竭、大手术期间的麻醉呼吸管理、呼吸支持治疗和急救复苏。呼吸机的运行原理是将一定比例的(压缩)空气与(压缩)氧气混合后送至患者的肺部,而且输入的空、氧混合气体需要具有一定的湿度和温度,即患者呼入的气体要符合要求的潮气量参数要求。要求呼吸机的潮气输出量一定要大于人的生理潮气量,生理潮气量为6-10毫升/公斤,而呼吸机的潮气输出量可达10-15毫升/公斤,往往是生理潮气量的1至2倍,具体还要根据胸部起伏、听诊两肺进气情况、参考压力二表、血气分析等进一步调节。呼吸机中设置的湿化器用于增加吸入气体的湿度。目前常用的湿化器类型有雾化湿化、热湿交换器(HME/HMEF)、冷水湿化及加热湿化。雾化湿化是用超声晶体振动产生很细的水雾,常用的加湿器就是这种原理。热湿交换器(HME/HMEF)是一次性使用的,仿生骆驼鼻子制作而成,其内部有化学吸附剂。冷水湿化指在不给水加热的情况下吸入气体直接通过有水的容器,在室温下达到湿化的目的。这种湿化器的相对湿度受到气/水接触面积及水温的限制,因而相对湿度较低,为了提高相对湿度也有采用机械的方式将水雾化。具有容易使用,有较低的内部顺应性的优点,缺点是由于吸入温度过低,病人有不适感。加热湿化是在水容器中放置加热板或加热丝加热产生水蒸气,调 ...
【技术保护点】
1.一种呼吸机增温湿化腔,包括外壳、装配管、补水管、压紧螺环、弹簧及加温管;所述装配管分为输进段和输出段,所述补水管设在所述输进段与输出段之间,补水管的管腔与装配管的管腔连通且同轴;所述补水管的左、右两端分别设有锥面孔,所述输进段、输出段与补水管对应的一端分别设有与所述锥面孔匹配的锥面;所述装配管与补水管设在所述外壳中,对应所述输进段的另一端在所述外壳上设有螺纹孔,所述压紧螺环与螺纹孔匹配,所述压紧螺环的一端伸入所述外壳中与所述输进段的端面匹配;所述外壳上对应补水管的部分设有装配孔;所述输进段的外壁上设有滑轨,所述滑轨与所述外壳的内壁之间通过线型滑槽匹配;所述外壳的内壁上设有与所述滑轨对应的凸缘,所述弹簧置于所述滑轨与凸缘之间;所述补水管的左端设有环状端板,所述环状端板上设有环状凸台,所述环状凸台上设有环形孔,所述补水管的左侧内壁上设有导流环腔,所述导流环腔连通所述环状凸台上的环形孔;所述补水管的右侧内壁上设有环状的补水腔,所述补水腔的壁体上分布设有通孔,壁体外敷设有吸水层;所述补水管上设有连通导流环腔的多个导流孔,以及导通补水腔的给水口;所述加温管设置在所述输进段的腔体内,所述加温管 ...
【技术特征摘要】
1.一种呼吸机增温湿化腔,包括外壳、装配管、补水管、压紧螺环、弹簧及加温管;所述装配管分为输进段和输出段,所述补水管设在所述输进段与输出段之间,补水管的管腔与装配管的管腔连通且同轴;所述补水管的左、右两端分别设有锥面孔,所述输进段、输出段与补水管对应的一端分别设有与所述锥面孔匹配的锥面;所述装配管与补水管设在所述外壳中,对应所述输进段的另一端在所述外壳上设有螺纹孔,所述压紧螺环与螺纹孔匹配,所述压紧螺环的一端伸入所述外壳中与所述输进段的端面匹配;所述外壳上对应补水管的部分设有装配孔;所述输进段的外壁上设有滑轨,所述滑轨与所述外壳的内壁之间通过线型滑槽匹配;所述外壳的内壁上设有与所述滑轨对应的凸缘,所述弹簧置于所述滑轨与凸缘之间;所述补水管的左端设有环状端板,所述环状端板上设有环状凸台,所述环状凸台上设有环形孔,所述补水管的左侧内壁上设有导流环腔,所述导...
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