CN202409082U - 新型腰椎穿刺针 - Google Patents

新型腰椎穿刺针 Download PDF

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Publication number
CN202409082U
CN202409082U CN2012200340283U CN201220034028U CN202409082U CN 202409082 U CN202409082 U CN 202409082U CN 2012200340283 U CN2012200340283 U CN 2012200340283U CN 201220034028 U CN201220034028 U CN 201220034028U CN 202409082 U CN202409082 U CN 202409082U
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needle
needle tubing
lumbar puncture
tube
pressure
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戴玉杰
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Abstract

本实用新型公开了一种医疗器械,具体为一种新型腰椎穿刺针,其包括针管、针芯,针管近针座端位置侧壁上设有截止阀,截止阀上设有压力表,针管尾端通过引流管连接引流袋;针芯抽出后截止阀可将针管内腔封堵,而压力表可直接显示颅内压力,引流袋用于收集脑脊液样品。其结构简单,取样、测压方便,安全可靠,降低了医疗风险及难度。

Description

新型腰椎穿刺针
技术领域
本实用新型涉及医疗器械领域,尤其为一种新型的腰椎穿刺装置。 
背景技术
在临床上,腰椎穿刺术是一项常用的医疗手段,主要用于对脑炎、脑部出血等患者进行脑脊液取样,颅内压测量及椎管内注射药物等操作。目前的腰椎穿刺针是在针管内设有针芯,针管穿刺成功后需要将针芯抽出,然后才能进行取样、测压等操作,由于针芯抽出后针管外端压力较小,脑脊液容易在针管内溢出,使脑脊液压力急剧下降,容易造成脑疝,严重时可危及患者生命;另外,如果脑脊液溢出则影响颅内压测量的准确性。 
实用新型内容
为克服上述技术问题,本实用新型提供了一种结构简单、操作方便、可防止脑脊液外溢的新型腰椎穿刺针。 
为实现上述技术目的,本实用新型是采用以下技术方案实现的:一种新型腰椎穿刺针,包括一个针管、一位于针管管腔内的针芯,针管前端设有穿刺尖端,后端设有针座,其特征在于:针管近针座端位置侧壁上设有一截止阀,截止阀上设有压力表,针管尾端连接有一引流管,引流管另一端连接引流袋;针芯抽出后截止阀可将针管内腔封堵,而压力表与针管内腔相通,可直接显示颅内压力。 
本实用新型和以往技术相比,具有以下有益效果:由于针管尾端加设了截止阀,针芯抽出后可通过截止阀来防止脑脊液外溢,避免对患者造成伤害,而压力 表设置在截止阀上,可直接测量脑脊液压力,测量结果准确,测量完毕后可将截止阀缓慢打开到合适的流量,脑脊液通过引流瓶进入引流管内,即完成了采样操作。其结构简单,操作安全、方便,提高了医务工作的效率。 
附图说明
附图为本实用新型结构示意图。 
图中,1、引流袋,2、针芯,3、针座,4、压力表,5、针管,6、截止阀,7、引流管,8、开关。 
具体实施方式
参看附图,针管5的管腔内的针芯2,针管5前端设有穿刺尖端,后端设有针座3,针管5在近针座3端位置侧壁上设有一截止阀6,针芯2抽出后截止阀6可将针管5封堵,截止阀6上设有压力表4,压力表4与针管5内腔相通,可直接显示颅内压力,另外针管5尾端还连接有一引流管7,引流管7上设有开关8,并在另一端连接引流袋1,用于采集是适量的脑脊液样品。 

Claims (1)

1.一种新型腰椎穿刺针,包括一个针管、一位于针管管腔内的针芯,针管前端设有穿刺尖端,后端设有针座,其特征在于:针管近针座端位置侧壁上设有一截止阀,截止阀上设有压力表,针管尾端连接有一引流管,引流管另一端连接引流袋。
CN2012200340283U 2012-01-04 2012-01-04 新型腰椎穿刺针 Expired - Fee Related CN202409082U (zh)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103006295A (zh) * 2012-12-11 2013-04-03 王萍 一种腰椎穿刺针
CN107137792A (zh) * 2017-06-15 2017-09-08 首都医科大学附属北京安贞医院 一种穿刺抽液装置及方法

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103006295A (zh) * 2012-12-11 2013-04-03 王萍 一种腰椎穿刺针
CN103006295B (zh) * 2012-12-11 2015-06-03 王金成 一种腰椎穿刺针
CN107137792A (zh) * 2017-06-15 2017-09-08 首都医科大学附属北京安贞医院 一种穿刺抽液装置及方法

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