CN103784184A - 一种环甲膜穿刺针 - Google Patents

一种环甲膜穿刺针 Download PDF

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CN103784184A
CN103784184A CN201210425286.9A CN201210425286A CN103784184A CN 103784184 A CN103784184 A CN 103784184A CN 201210425286 A CN201210425286 A CN 201210425286A CN 103784184 A CN103784184 A CN 103784184A
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needle
piston
push rod
deep vein
puncture needle
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张蓉
李灵丰
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/34Trocars; Puncturing needles
    • A61B17/3401Puncturing needles for the peridural or subarachnoid space or the plexus, e.g. for anaesthesia
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M16/00Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/04Tracheal tubes

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Anesthesiology (AREA)
  • Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Veterinary Medicine (AREA)
  • Pulmonology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Hematology (AREA)
  • Pathology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Emergency Medicine (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)

Abstract

一种环甲膜穿刺针,包括深静脉穿刺针、其尾端连接针筒,针筒内设有的活塞和推杆,活塞与深静脉穿刺针之间的针筒内设有弹簧,深静脉穿刺针靠近针筒处设有阀门;所述推杆的一端连接活塞,另一端设有手柄。通过该环甲膜穿刺针能够确保进针至气管内,操作简单,定位准确,安全实用。本发明提供的环甲膜穿刺针,可将环甲膜穿刺误穿食管及大血管的风险降低,减少医师负压持针进针的操作难度,使医师在操作时更专注于对解剖层次的判断,减少误穿风险。

Description

一种环甲膜穿刺针
技术领域
本发明涉及医疗器具,尤其涉及一种环甲膜穿刺针。 
背景技术
环甲膜穿刺是临床上对于有呼吸道梗阻,严重呼吸困难的病人采用的急救方法之一,可为气管切开赢得时间,同时也是逆行气管插管的必要途径。 
目前对于环甲膜穿刺工具尚无特别规定及要求,临床上多使用16G以上粗针头,麻醉科多使用硬膜外穿刺针,由于进针过程中不能观察到进针的深浅,可能会出现穿刺损伤血管或者进针过深误伤食管,导致出血及食管穿孔的并发症,严重者可导致病人窒息,食管气管瘘并发严重感染而死亡。 
发明内容
本发明的目的提供一种环甲膜穿刺针,能够确保进针至气管内,操作简单,定位准确,安全实用。 
为了解决上述技术问题,本发明的技术方案是:一种环甲膜穿刺针,包括深静脉穿刺针、其尾端连接针筒,针筒内设有的活塞和推杆,活塞与深静脉穿刺针之间的针筒内设有弹簧,深静脉穿刺针靠近针筒处设有阀门。推杆及活塞为中空结构,前端开口于活塞,尾端开口于推杆末端,末端小孔以铝箔密封。 
所述推杆的一端连接活塞,另一端设有手柄。 
所述推杆为中空,活塞中部设有通孔,推杆靠近手柄端用铝箔密封。 
通过上述环甲膜穿刺针能够确保进针至气管内,操作简单,定位准确,安全实用。可将环甲膜穿刺误穿食管及大血管的风险降低,减少医师负压持针进针的操作难度,使医师在操作时更专注于对解剖层次的判断,减少误穿风险。    
附图说明
下面结合附图和实施例对本发明作进一步说明。 
图1为本发明的结构示意图; 
具体实施方式
如图1,本发明包括深静脉穿刺针1、其尾端连接针筒2,针筒2内设有的活塞3和推杆4,活塞3与深静脉穿刺针1之间的针筒内设有弹簧5,深静脉穿刺针1靠近针筒2处设有阀门6。 
  所述推杆4的一端连接活塞3,另一端设有手柄7。 
所述推杆4为中空,活塞3中部设有通孔8,推杆4靠近手柄7端用铝箔密封。 
使用本发明时,先通过活塞将针筒内的空气排出,然后关闭深静脉穿刺针上的阀门,在针筒内形成负压,开始进针,当进针至患者皮下后开启阀门,然后持续进针,当进针至气管内时,气管内的空气通过深静脉穿刺针进入针筒,针筒内的活塞在弹簧的作用下自动弹起,再进针2mm左右即可。 
进针穿刺完成之后,用导丝经推杆尾端顶破铝箔,经推杆4、活塞3、和深静脉穿刺针1进入气管,然后进行环甲膜穿刺逆行引导气管插管手术。 
  

Claims (3)

1.一种环甲膜穿刺针,其特征在于:包括深静脉穿刺针(1)、其尾端连接针筒(2),针筒(2)内设有的活塞(3)和推杆(4),活塞(3)与深静脉穿刺针(1)之间的针筒内设有弹簧(5),深静脉穿刺针(1)靠近针筒(2)处设有阀门(6)。
2.根据权利要求1所述的环甲膜穿刺针,其特征在于:所述推杆(4)的一端连接活塞(3),另一端设有手柄(7)。
3.根据权利要求1所述的环甲膜穿刺针,其特征在于:所述推杆(4)为中空,活塞(3)中部设有通孔(8),推杆(4)靠近手柄(7)端用铝箔密封。
CN201210425286.9A 2012-10-31 2012-10-31 一种环甲膜穿刺针 Pending CN103784184A (zh)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104257496A (zh) * 2014-10-21 2015-01-07 张西坤 一次性肝素钠生理盐水封管液套装
CN111938766A (zh) * 2020-07-27 2020-11-17 昆明医科大学第一附属医院 一种急诊内科用穿刺装置

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104257496A (zh) * 2014-10-21 2015-01-07 张西坤 一次性肝素钠生理盐水封管液套装
CN111938766A (zh) * 2020-07-27 2020-11-17 昆明医科大学第一附属医院 一种急诊内科用穿刺装置

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Application publication date: 20140514