CN104759000B - 液柱质软针头 - Google Patents

液柱质软针头 Download PDF

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CN104759000B
CN104759000B CN201510134414.8A CN201510134414A CN104759000B CN 104759000 B CN104759000 B CN 104759000B CN 201510134414 A CN201510134414 A CN 201510134414A CN 104759000 B CN104759000 B CN 104759000B
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needle
fin
pin end
needle body
fluid column
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CN104759000A (zh
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张新全
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Pinghu Suifeng Hardware Co., Ltd.
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张新全
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    • 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
    • A61M5/00Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/14Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
    • A61M5/158Needles for infusions; Accessories therefor, e.g. for inserting infusion needles, or for holding them on the body

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  • Health & Medical Sciences (AREA)
  • Vascular Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Hematology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Finger-Pressure Massage (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)

Abstract

本发明涉及一种液柱质软针头,本液柱质软针头包括有针端、针身、针柄和翼片;在所述针身的两端分别固定连接有所述针端和所述针柄;所述针端由硬质材料做成;在所述针柄上固定套设有翼片;所述翼片内包括有充满液体的弹性储液腔;所述针身有质软材料做成;在所述针身的筒形周壁内等距均布有沿所述针身轴线延伸的储液柱;各所述储液柱靠近所述针端的一端密封,另一端伸入所述针柄并连通所述弹性储液腔;该针头质地柔软,有效防止鼓包发生,不会造成误伤;同时能够轻松进行扎针输液。

Description

液柱质软针头
技术领域
本发明涉及一种医疗用品,特别的,是一种针头。
背景技术
医疗输液中常使用不锈钢硬针,它能够顺利的刺破皮肤和血管壁进行输液;但是在长期使用中,它的缺陷逐渐暴露出来;其一:在扎入血管进行输液时不能大幅度活动被扎的手部或脚部,因为它的质地较硬,在进入血管后左右活动的幅度受到限制,若摆动过度容易使针头扎到血管内壁,造成扎针处鼓包等意外,影响正常输液;其二,在日常处理时容易误伤手指或误扎他人,造成不必要的伤害,特别是在使用后如不及时处理可能被儿童触摸造成误伤。
发明内容
针对上述问题,本发明提供一种液柱质软针头,该针头质地柔软,有效防止鼓包发生,不会造成误伤;同时能够轻松进行扎针输液。
为解决上述问题,本发明所采用的技术方案是:本液柱质软针头包括有针端、针身、针柄和翼片;在所述针身的两端分别固定连接有所述针端和所述针柄;所述针端由硬质材料做成;在所述针柄上固定套设有翼片;所述翼片内包括有充满液体的弹性储液腔;所述针身有质软材料做成;在所述针身的筒形周壁内等距均布有沿所述针身轴线延伸的储液柱;各所述储液柱靠近所述针端的一端密封,另一端伸入所述针柄并连通所述弹性储液腔。
本发明的有益效果是:自然状态下,所述弹性储液腔呈膨胀状态,所述翼片为鼓起状,所述储液柱瘪扁,此时针头柔软,针身能够在与自身轴线垂直的方向上任意弯曲;因此该结构能够有效防止针头误伤皮肤,减小意外发生;在使用针头注射时,用力捏住所述翼片,弹性储液腔内的液体流入储液柱,各所述储液柱涨起并将针身绷直;此时针身具有较大的硬度,针尖的硬质材料能够顺利刺破血管壁并进入血管;将针头固定好后,翼片恢复原状并将储液柱内的液体吸回弹性储液腔,此时位于血管中的针身恢复柔软。
本发明在使用过程中只需稍用力挤压翼片即可使针头绷直,扎针结束后针身自动恢复柔软,操作简单、方便;柔软的针身能够有效防止因活动肢体造成的鼓包情况,方便输液,降低医疗事故发生的概率;本发明特别适合用于儿童、宠物等无法很好约束自身行为的人或动物身上。
作为优选,在所述翼片的一面固定粘附有永磁片;在扎针时,医护人员可在食指指尖戴上铁质磨砂指环,在用手指靠近翼片时,翼片上的永磁体与指环通过磁力作用吸附在一起,进一步帮助医护人员捏紧弹性储液腔,便于针头绷直;同时能够防止针头意外脱落。
作为优选,所述针端采用不锈钢材料做成;在运输、贮存时针端通过磁力作用吸附在翼片处,有效防止意外扎伤;在扎针时能够顺利的刺破血管,方便扎针。
附图说明
图1为本液柱质软针头一个实施例的结构示意图。
图2为图1所示实施例的剖面放大示意图。
图3为与图1所示实施例相匹配的铁质磨砂指环的一个实施例的示意简图。
具体实施方式
在图1至图3所示的实施例中,本液柱质软针头包括有针端1、针身2、针柄3和翼片4;在所述针身2的两端分别固定连接有所述针端1和所述针柄3;所述针端1采用硬质材料,如不锈钢材料做成;在所述针柄3上固定套设有翼片4;所述翼片4内包括有充满液体的弹性储液腔41,在所述翼片4的一面固定粘附有永磁片42;所述针身2由质软材料做成;在所述针身2的筒形周壁内等距均布有沿所述针身2轴线延伸的储液柱21;各所述储液柱21靠近所述针端1的一端密封,另一端伸入所述针柄3并连通所述弹性储液腔41。
自然状态下,所述弹性储液腔41呈膨胀状态,所述翼片4没有粘附永磁片42的一侧为鼓起状,所述储液柱21瘪扁,此时针头整体柔软,针身2能够在与自身轴线垂直的方向上任意弯曲;在运输、贮存时,将针端1吸附在翼片4上,能够有效防止针头误伤皮肤,减小意外发生。
在使用针头注射时,用力按压所述翼片4或者在食指指尖佩戴铁质磨砂指环5,使用铁质磨砂指环5按住翼片4鼓起的一侧,在磁力作用下,翼片4上的永磁片42与铁质磨砂指环5互相吸附靠近即可使弹性储液腔41内的液体流入储液柱21,进而使各所述储液柱21涨起并将针身2绷直;此时针身2具有较大的硬度,针尖的不锈钢材料能够顺利刺破血管壁并进入血管;在将针头固定好后松开手指,翼片4恢复原状并将储液柱21内的液体吸回弹性储液腔41,此时位于血管中的针身2恢复柔软,即使肢体活动,针身2也能够随血管自由弯曲。
所述铁质磨砂指环5能够辅助挤压翼片4、方便一些力气较小的护士扎针、注射;由于有了磁力吸附,能够防止拿取针头时意外脱落;除此之外,该铁质磨砂指环5还能够被当做砂轮片使用,用于摩擦瓶装针剂的颈部,方便打开瓶装针剂。
本发明在使用过程中只需稍用力挤压翼片4即可使针头绷直,扎针结束后针身2自动恢复柔软,操作简单、方便;柔软的针身2能够有效防止因活动肢体造成的鼓包情况,方便输液,降低医疗事故发生的概率;本发明特别适合用于儿童、宠物等无法很好约束自身行为的人或动物身上,它能够使输液变得轻松、安全、稳定。
以上所述仅为本发明的较佳实施例,并不用以限制本发明,凡在本发明的精神和原则之内,所作的任何修改、等同替换、改进等,均应包含在本发明的保护范围之内。

Claims (3)

1.一种液柱质软针头,其特征在于:本液柱质软针头包括有针端(1)、针身(2)、针柄(3)和翼片(4);在所述针身(2)的两端分别固定连接有所述针端(1)和所述针柄(3);所述针端(1)由硬质材料做成;在所述针柄(3)上固定套设有翼片(4);所述翼片(4)内包括有充满液体的弹性储液腔(41);所述针身(2)由质软材料做成;在所述针身(2)的筒形周壁内等距均布有沿所述针身(2)轴线延伸的储液柱(21);各所述储液柱(21)靠近所述针端(1)的一端密封,另一端伸入所述针柄(3)并连通所述弹性储液腔(41)。
2.根据权利要求1所述的液柱质软针头,其特征在于:在所述翼片(4)的一面固定粘附有永磁片(42)。
3.根据权利要求1或2所述的液柱质软针头,其特征在于:所述针端(1)采用不锈钢材料做成。
CN201510134414.8A 2015-03-26 2015-03-26 液柱质软针头 Active CN104759000B (zh)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1142603A1 (en) * 2000-04-04 2001-10-10 Nipro Corporation Indwelling needle assembly
CN2721018Y (zh) * 2004-08-20 2005-08-31 何太清 磁共振静脉输液穿刺针
EP1545658B1 (en) * 2002-08-09 2007-09-12 Boston Scientific Limited Injection devices that provide reduced outflow of therapeutic agents
CN201783072U (zh) * 2010-08-10 2011-04-06 曹瑞实 婴幼儿用冷停跳灌注针头
CN202078603U (zh) * 2011-05-09 2011-12-21 车爱华 一次性针头防刺伤装置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1142603A1 (en) * 2000-04-04 2001-10-10 Nipro Corporation Indwelling needle assembly
EP1545658B1 (en) * 2002-08-09 2007-09-12 Boston Scientific Limited Injection devices that provide reduced outflow of therapeutic agents
CN2721018Y (zh) * 2004-08-20 2005-08-31 何太清 磁共振静脉输液穿刺针
CN201783072U (zh) * 2010-08-10 2011-04-06 曹瑞实 婴幼儿用冷停跳灌注针头
CN202078603U (zh) * 2011-05-09 2011-12-21 车爱华 一次性针头防刺伤装置

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