The utility model relates to a new infusion device, which comprises a bottle stopper puncture device, a Maofei dropper, a medicinal liquid filter and a transfusion needle connected sequentially through a transfusion hose. The governor between the Maofei dropper and the medicinal liquid filter is located. The infusion hose at the inlet of the Maofei dropper is provided with a nozzle on both sides, and the Maofei dropper is also provided with a nozzle for use in the Maofei dropper. The governor has a cavity structure, and one side of the governor is threaded to connect a regulating rod for extruding the transfusion hose in the governor. The hollow sphere of the utility model floats in the Maofei dropper during the infusion process. When the liquid in the Maofei dropper is about to be dripped out, the gravity of the hollow sphere is greater than its buoyancy, so that the hollow sphere blockades the outlet after the infusion is about to be finished, so that the large section of air in the infusion hose will not generate and cause blood return at the venous steel needle.
【技术实现步骤摘要】
新型输液器
本技术属于医疗器具领域,尤其涉及一种新型输液器。
技术介绍
传统输液器输液瓶和钢针仅靠两者间的摩擦力来保持连接,特别是给儿童静脉输液时由于儿童天性好动,钢针特别容易被拔出,有时成年人翻身也会不小心将其拔出输液瓶。传统输液器在药液滴完后如果病人或者家属没有注意关注,则输液管会产生一大段空气,且静脉钢针处还会产生回血,让病人感到恐慌。传统输液器的滴速调节阀滚轮滑动阻力较大,特别是护士在挂药液前要隔着包装袋关闭滴速调节阀阻力甚大,每次滑动对手指尖的摩擦力较大,易损伤皮肤,在实践操作中还要低头寻找滴速调节器,特别是被子遮住了,比较浪费时间。传统输液器过滤器前端和针头连接一般是靠塑料接头间的摩擦力,但效果不佳,容易脱落造成污染,有时护士会拧得很紧,但输液结束需要封管时,阻力又非常大,有时需要血管钳将其打开,很是费力费时。传统输液器针柄的飞机头过小,不易牢固持针进针,且固定时都是紧贴皮肤,有时针头斜面会与血管壁紧贴,容易造成穿刺失败的假象。中国专利申请(CN205460160U)公开了一次性输液器自动止液滴壶,包括上导管、壶盖、滴壶主体、空心球、软垫、滴斗及下导管 ...
【技术保护点】
1.一种新型输液器,包括通过输液软管依次连通的瓶塞穿刺器、茂菲氏滴管、药液过滤器和输液针,位于所述茂菲氏滴管和所述药液过滤器之间的调速器,其特征在于:所述位于茂菲氏滴管进液口处的输液软管在其两侧设有喷头,所述茂菲氏滴管内还设有一个用于浮在其内的、封堵其出液口的空心球;所述调速器具有腔体结构,并且所述调速器在其一侧螺纹连接一个用于挤压调速器内的输液软管的调节杆。
【技术特征摘要】
1.一种新型输液器,包括通过输液软管依次连通的瓶塞穿刺器、茂菲氏滴管、药液过滤器和输液针,位于所述茂菲氏滴管和所述药液过滤器之间的调速器,其特征在于:所述位于茂菲氏滴管进液口处的输液软管在其两侧设有喷头,所述茂菲氏滴管内还设有一个用于浮在其内的、封堵其出液口的空心球;所述调速器具有腔体结构,并且所述调速器在其一侧螺纹连接一个用于挤压调速器内的输液软管的调节杆。2.根据权利要求1所述的一种新型输液器,其特征在于:所述调速器为圆柱体结构,所述调速器的腔体内填充有软质材质。3.根据权利要求1所述的一种新型输液器,其特征在于:所述输液针的针柄采用U型双翼结构。4.根据权利要求3所述的...
【专利技术属性】
技术研发人员:李昆霖,俞梦盈,沈妤,
申请(专利权)人:浙江中医药大学,
类型:新型
国别省市:浙江,33
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