CN107320333A - 一种自排气配药针 - Google Patents

一种自排气配药针 Download PDF

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Publication number
CN107320333A
CN107320333A CN201710343810.0A CN201710343810A CN107320333A CN 107320333 A CN107320333 A CN 107320333A CN 201710343810 A CN201710343810 A CN 201710343810A CN 107320333 A CN107320333 A CN 107320333A
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China
Prior art keywords
puncture needle
connecting seat
outlet
connection
air inlet
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CN201710343810.0A
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Inventor
张新民
嵇海蓉
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Zhejiang Xindeyi Medical Polytron Technologies Inc
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Zhejiang Xindeyi Medical Polytron Technologies Inc
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Priority to CN201710343810.0A priority Critical patent/CN107320333A/zh
Publication of CN107320333A publication Critical patent/CN107320333A/zh
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61JCONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
    • A61J1/00Containers specially adapted for medical or pharmaceutical purposes
    • A61J1/14Details; Accessories therefor
    • A61J1/20Arrangements for transferring or mixing fluids, e.g. from vial to syringe
    • A61J1/2003Accessories used in combination with means for transfer or mixing of fluids, e.g. for activating fluid flow, separating fluids, filtering fluid or venting
    • A61J1/2006Piercing means
    • A61J1/201Piercing means having one piercing end

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  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)

Abstract

一种自排气配药针,它包括中间带有排气管的穿刺针,该穿刺针的尾部设置有连接座盖,所述的连接座盖上分别设置有连通穿刺针内药液通道的连接座和连通排气管内气体通道的进出气口;所述穿刺针的前部侧壁上开设有连通穿刺针内药液通道的进出液口;所述的连接座设置在连接座盖上与药液通道处于同一方向的端部,而所述进出气口设置在连接座盖的侧壁上,并在进出气口的端部用端盖压接有空气过滤膜;它具有结构简单,使用操作方便,可与注射器外套上的锥头进行连接配合,不仅能够解除负压,而且还能释放瓶内压力,提高注射的安全使用,可靠性大大提高等特点。

Description

一种自排气配药针
技术领域
本发明涉及的是一种自排气配药针,主要用于临床配制药液;属于医疗器械技术领域。
背景技术
现有技术中,临床配药由于抽吸药液时,瓶内形成负压,造成抽吸困难,抽吸后注入需配置药液瓶时,由于药液的注入,造成瓶内压力增高,加注药液困难;另外,在输液过程中,如果需要换瓶,由于加药时瓶内的压力没有释放,造成输液流速瞬间增快。
发明内容
本发明的目的在于克服现有技术存在的不足,而提供一种结构简单,使用操作方便,可与注射器外套上的锥头进行连接配合,不仅能够解除负压,而且还能释放瓶内压力,提高注射的安全使用,可靠性大大提高的自排气配药针。
本发明的目的是通过如下技术方案来完成的,一种自排气配药针,它包括中间带有排气管的穿刺针,该穿刺针的尾部设置有连接座盖,所述的连接座盖上分别设置有连通穿刺针内药液通道的连接座和连通排气管内气体通道的进出气口。
作为优选:所述穿刺针的前部侧壁上开设有连通穿刺针内药液通道的进出液口;所述的连接座设置在连接座盖上与药液通道处于同一方向的端部,而所述进出气口设置在连接座盖的侧壁上,并在进出气口的端部用端盖压接有空气过滤膜。
本发明属于对现有技术的一种改良,它具有结构简单,使用操作方便,可与注射器外套上的锥头进行连接配合,不仅能够解除负压,而且还能释放瓶内压力,提高注射的安全使用,可靠性大大提高等特点。
附图说明
图1是本发明的结构示意图。
具体实施方式
下面将结合附图对本发明作详细的介绍:图1所示,本发明所述的一种自排气配药针,它包括中间带有排气管2的穿刺针1,该穿刺针1的尾部设置有连接座盖3,所述的连接座盖3上分别设置有连通穿刺针1内药液通道的连接座6和连通排气管2内气体通道的进出气口7。
图中所示,所述穿刺针1的前部侧壁上开设有连通穿刺针1内药液通道的进出液口8;所述的连接座6设置在连接座盖3上与药液通道处于同一方向的端部,而所述进出气口7设置在连接座盖3的侧壁上,并在进出气口7的端部用端盖5压接有空气过滤膜4。
本发明可与注射器外套上的锥头连接配合,用于抽吸药物进行配药,在配药抽取药液时,通过空气过滤膜,经气体通道向瓶内补充空气,解除负压;注入另一瓶时,可以将瓶内空气经气体通道从空气过滤膜排出,释放瓶内压力。

Claims (2)

1.一种自排气配药针,它包括中间带有排气管的穿刺针,该穿刺针的尾部设置有连接座盖,其特征在于所述的连接座盖上分别设置有连通穿刺针内药液通道的连接座和连通排气管内气体通道的进出气口。
2.根据权利要求1所述的自排气配药针,其特征在于所述穿刺针的前部侧壁上开设有连通穿刺针内药液通道的进出液口;所述的连接座设置在连接座盖上与药液通道处于同一方向的端部,而所述进出气口设置在连接座盖的侧壁上,并在进出气口的端部用端盖压接有空气过滤膜。
CN201710343810.0A 2017-05-16 2017-05-16 一种自排气配药针 Withdrawn CN107320333A (zh)

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Publications (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108852834A (zh) * 2018-08-03 2018-11-23 江苏苏云医疗器材有限公司 一种配药转移器及配药方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108852834A (zh) * 2018-08-03 2018-11-23 江苏苏云医疗器材有限公司 一种配药转移器及配药方法

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