CN108478908A - 一种仿生无痛注射器针头 - Google Patents

一种仿生无痛注射器针头 Download PDF

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CN108478908A
CN108478908A CN201810423929.3A CN201810423929A CN108478908A CN 108478908 A CN108478908 A CN 108478908A CN 201810423929 A CN201810423929 A CN 201810423929A CN 108478908 A CN108478908 A CN 108478908A
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needle
sliding rail
syringe
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CN108478908B (zh
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马云海
车军剑
王虎彪
端木令坚
王立冬
佟金
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Jilin University
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES 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
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/178—Syringes
    • A61M5/31—Details
    • A61M5/32—Needles; Details of needles pertaining to their connection with syringe or hub; Accessories for bringing the needle into, or holding the needle on, the body; Devices for protection of needles
    • A61M5/3286—Needle tip design, e.g. for improved penetration
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES 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
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/178—Syringes
    • A61M5/31—Details
    • A61M5/32—Needles; Details of needles pertaining to their connection with syringe or hub; Accessories for bringing the needle into, or holding the needle on, the body; Devices for protection of needles
    • A61M5/329—Needles; Details of needles pertaining to their connection with syringe or hub; Accessories for bringing the needle into, or holding the needle on, the body; Devices for protection of needles characterised by features of the needle shaft
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES 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
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/178—Syringes
    • A61M5/31—Details
    • A61M5/32—Needles; Details of needles pertaining to their connection with syringe or hub; Accessories for bringing the needle into, or holding the needle on, the body; Devices for protection of needles
    • A61M5/3293—Needles; Details of needles pertaining to their connection with syringe or hub; Accessories for bringing the needle into, or holding the needle on, the body; Devices for protection of needles characterised by features of the needle hub

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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)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)

Abstract

一种仿生无痛注射器针头属医疗器械技术领域，本发明中针尖、针管和连接头为一体结构，所述的针管的横截面为圆形，上表面由ab连线组成曲线A，俯视角度下的针管，以纵轴线c‑c为中心，其两侧对称设有滑轨Ⅰ和滑轨Ⅱ；滑轨Ⅰ中起点为e,终点为f，ef连线组成曲线B，滑轨Ⅱ中起点为c,终点为d，cd连线组成曲线B’。曲线A的数学表达式为：y1＝3.115×10‑5x3‑0.04847x2+27.36x‑4688其中：350≤x≤410；曲线B的数学表达式为：y2＝5.407×10‑5x3‑0.07635x2+38.27x‑6025其中：340≤x≤400；本发明模仿大土蜂蜂针部分的曲线特征，设计注射器的针头，用以无痛注入人体皮肤，能减轻人体的疼痛感。

Description

一种仿生无痛注射器针头
技术领域
本发明属医疗器械技术领域，具体涉及一种仿生无痛注射器针头。
背景技术
皮下注射是当前较为常见的医疗方法，该方法为使用注射器刺破人体皮肤将药物直接输入体内。在注射医疗过程中，针头刺入人体内产生的疼痛感跟人体皮肤内的感觉器官有关。人体皮肤由表皮，真皮和皮下组织三部分组成，痛觉感受器位于表皮内，其髓神经纤维进入表皮即失去神经膜，并分支成网状或小球状，分散于表皮细胞间隙内，在皮肤表面有痛点存在，分布密集，所以表皮痛觉特别敏感。感受器取决于刺激的强度,变化速率，作用时间，作用面积四个因素，注射时决定疼痛的四个因素中变化速率和作用时间与注射器针头无关，作用面积取决于针头型号，因此刺激的强度是注射痛觉感中唯一可以改变的因素。从当前市场看，现在尚未有一种减痛效果优，加工工艺成熟，价格合理，同时在药物临床作用效果方面，可以完全取代普通注射器的产品。
另一方面，从仿生学的角度来看，大土蜂的蜂针呈弯曲状，和注射针头平滑的片面相比，弯曲状的蜂针和皮肤组织接触的阻力变小，减少了对于神经的刺激，所以产生的疼痛感大大降低。
基于上述情况，本发明拟研制一种模仿大土蜂蜂针的医用注射针头，这种针头在扎进皮肤的时候不会让人感到疼痛，非常适合用于开发新型医用注射器。
发明内容
针对注射器针头的作用形式，本发明利用仿生学原理，对注射器的针头进行了再设计，使其能够无痛刺入人体皮肤。
本发明由针尖1、针管2和连接头4组成，针尖1、针管2和连接头4为一体结构，所述的针管2的横截面为圆形，上表面由ab连线组成曲线A。
俯视角度下的针管2，以纵轴线c-c为中心，其两侧对称设有滑轨Ⅰ3和滑轨Ⅱ5。
滑轨Ⅰ3中起点为e,终点为f，ef连线组成曲线B，滑轨Ⅱ5中起点为c,终点为d，cd连线组成曲线B’。
曲线A的数学表达式为：y1＝3.115×10-5x3-0.04847x2+27.36x-4688
其中：350≤x≤410。
曲线B的数学表达式为：y2＝5.407×10-5x3-0.07635x2+38.27x-6025
其中：340≤x≤400。
所述的针头长度L1为16-60mm，针管2的外径L2为0.4-1.76mm，针管2的厚度L3为0.124-0.273mm；所述的针尖1的夹角α为11-17°。
滑轨Ⅰ3的起点e和滑轨Ⅱ5的起点c所在圆的圆弧角β为120-170°；滑轨Ⅰ3和滑轨Ⅱ5的横截面为圆弧形，圆弧半径L4为0.019-0.037mm，圆弧角γ为90-120°，滑轨Ⅰ3的终点d、和滑轨Ⅱ5的终点f点所在圆的圆弧角δ为85-115°。
本发明模仿大土蜂蜂针部分的曲线特征，设计注射器的针头，用以无痛注入人体皮肤，能减轻人体的疼痛感。
附图说明
图1为仿生无痛注射器针头的主视图
图2为仿生无痛注射器针头的俯视图
图3为仿生无痛注射器针头的c、e点处的断面图及局部放大图
图4为图3中g所指的放大图
图5为仿生无痛注射器针头的d、f点处的断面图
图6为针头表面曲线A的示意图
图7为曲线B的示意图
其中：1.针尖2.针管3.滑轨Ⅰ4.连接头5.滑轨Ⅱ
具体实施方式
下面结合附图对本发明进行描述。
如图1至图5所示，本发明由针尖1、针管2和连接头4组成，针尖1、针管2和连接头4为一体结构，所述的针管2的横截面为圆形，上表面由ab连线组成曲线A。
俯视角度下的针管2，以纵轴线c-c为中心，其两侧对称设有滑轨Ⅰ3和滑轨Ⅱ5。
滑轨Ⅰ3中起点为e,终点为f，ef连线组成曲线B，滑轨Ⅱ5中起点为c,终点为d，cd连线组成曲线B’。
曲线A的数学表达式为：y1＝3.115×10-5x3-0.04847x2+27.36x-4688
其中：350≤x≤410。
曲线B的数学表达式为：y2＝5.407×10-5x3-0.07635x2+38.27x-6025
其中：340≤x≤400。
所述的针头长度L1为16-60mm，针管2的外径L2为0.4-1.76mm，针管2的厚度L3为0.124-0.273mm；所述的针尖1的夹角α为11-17°。
滑轨Ⅰ3的起点e和滑轨Ⅱ5的起点c所在圆的圆弧角β为120-170°；滑轨Ⅰ3和滑轨Ⅱ5的横截面为圆弧形，圆弧半径L4为0.019-0.037mm，圆弧角γ为90-120°，滑轨Ⅰ3的终点d、和滑轨Ⅱ5的终点f点所在圆的圆弧角δ为85-115°。

Claims (2)

1.一种仿生无痛注射器针头，由针尖(1)、针管(2)和连接头(4)组成，针尖(1)、针管(2)和连接头(4)为一体结构，其特征在于，所述的针管(2)的横截面为圆形，上表面由ab连线组成曲线A；俯视角度下的针管(2)，以纵轴线c-c为中心，其两侧对称设有滑轨I(3)和滑轨II(5)；滑轨I(3)中起点为e，终点为f，ef连线组成曲线B；滑轨II(5)中起点为c，终点为d，cd连线组成曲线B’；
曲线A的数学表达式为：
y1＝3.115×10-5x3-0.04847x2+27.36x-4688
其中：350≤x≤410；
曲线B的数学表达式为：
yz＝5.407×10-5x3-0.07635x2+38.27x-6025
其中：340≤x≤400。
2.按权利要求1所述的仿生无痛注射器针头，其特征在于：所述的针头长度L1为16-60mm，针管(2)的外径L2为0.4-1.76mm，针管(2)的厚度L3为0.124-0.273mm；所述的针尖(1)的夹角α为11-17°；滑轨I(3)的起点e和滑轨II(5)的起点c所在圆的圆弧角β为120-170°；滑轨I(3)和滑轨II(5)的横截面为圆弧形，圆弧半径L4为0.019-0.037mm，圆弧角γ为90-120°，滑轨I(3)的终点d、和滑轨II(5)的终点f点所在圆的圆弧角δ为85-115°。
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110478569A (zh) * 2019-08-16 2019-11-22 吉林大学 一种防脱针仿生减痛静脉注射针头
CN111345917A (zh) * 2019-06-05 2020-06-30 天津市第三中心医院 小鼠心肌梗死后的心肌注射造模方法及装置

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW534826B (en) * 1998-12-23 2003-06-01 Specialized Health Prod Inc In-line retractable safety medical needle assembly
CN1646182A (zh) * 2002-03-29 2005-07-27 泰尔茂株式会社 注射针
CN2714074Y (zh) * 2004-02-05 2005-08-03 阎侗有 超锐无痛针头
JP2008154842A (ja) * 2006-12-25 2008-07-10 Nisshin Kogu Kk 注射針
CN103071210A (zh) * 2013-01-19 2013-05-01 吉林大学 一种针尖具有仿生形态的注射器针头
CN103551475A (zh) * 2013-11-15 2014-02-05 吉林大学 仿生注射器针头的加工方法及专用的加工装置
CN104740731A (zh) * 2013-12-27 2015-07-01 苏州和林精密科技有限公司 一种无缝无痛针头及制备方法
CN106068135A (zh) * 2014-03-06 2016-11-02 卡贝欧洲有限公司 输送药物的装置和方法
CN106110447A (zh) * 2016-07-19 2016-11-16 西安培华学院 一种新型医用无痛注射器针头
CN209019640U (zh) * 2018-05-07 2019-06-25 吉林大学 一种仿生无痛注射器针头

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW534826B (en) * 1998-12-23 2003-06-01 Specialized Health Prod Inc In-line retractable safety medical needle assembly
CN1646182A (zh) * 2002-03-29 2005-07-27 泰尔茂株式会社 注射针
CN2714074Y (zh) * 2004-02-05 2005-08-03 阎侗有 超锐无痛针头
JP2008154842A (ja) * 2006-12-25 2008-07-10 Nisshin Kogu Kk 注射針
CN103071210A (zh) * 2013-01-19 2013-05-01 吉林大学 一种针尖具有仿生形态的注射器针头
CN103551475A (zh) * 2013-11-15 2014-02-05 吉林大学 仿生注射器针头的加工方法及专用的加工装置
CN104740731A (zh) * 2013-12-27 2015-07-01 苏州和林精密科技有限公司 一种无缝无痛针头及制备方法
CN106068135A (zh) * 2014-03-06 2016-11-02 卡贝欧洲有限公司 输送药物的装置和方法
CN106110447A (zh) * 2016-07-19 2016-11-16 西安培华学院 一种新型医用无痛注射器针头
CN209019640U (zh) * 2018-05-07 2019-06-25 吉林大学 一种仿生无痛注射器针头

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
齐迎春;丛茜;齐欣;: "仿生减阻针头穿刺过程中力学行为分析", 医用生物力学, no. 04, 15 August 2012 (2012-08-15), pages 427 - 431 *
齐迎春;丛茜;齐欣;: "仿生减阻针头穿刺过程中力学行为分析", 医用生物力学, no. 04, pages 427 - 431 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111345917A (zh) * 2019-06-05 2020-06-30 天津市第三中心医院 小鼠心肌梗死后的心肌注射造模方法及装置
CN110478569A (zh) * 2019-08-16 2019-11-22 吉林大学 一种防脱针仿生减痛静脉注射针头

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