CN104428022B - 一次性注射针头的保护盖 - Google Patents

一次性注射针头的保护盖 Download PDF

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CN104428022B
CN104428022B CN201380034462.9A CN201380034462A CN104428022B CN 104428022 B CN104428022 B CN 104428022B CN 201380034462 A CN201380034462 A CN 201380034462A CN 104428022 B CN104428022 B CN 104428022B
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protective cover
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injection needle
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玛格丽塔·马蒂亚松
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LAPONIA INNOVATIO AB
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    • A—HUMAN NECESSITIES
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    • 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
    • A61M5/3202—Devices for protection of the needle before use, e.g. caps
    • A61M5/3204—Needle cap remover, i.e. devices to dislodge protection cover from needle or needle hub, e.g. deshielding devices
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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    • 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
    • A61M5/3202—Devices for protection of the needle before use, e.g. caps
    • 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
    • A61M5/3205—Apparatus for removing or disposing of used needles or syringes, e.g. containers; Means for protection against accidental injuries from used needles
    • A61M5/321—Means for protection against accidental injuries by used needles
    • A61M5/3216—Caps placed transversally onto the needle, e.g. pivotally attached to the needle base
    • 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
    • A61M5/3205—Apparatus for removing or disposing of used needles or syringes, e.g. containers; Means for protection against accidental injuries from used needles
    • 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
    • A61M5/3205—Apparatus for removing or disposing of used needles or syringes, e.g. containers; Means for protection against accidental injuries from used needles
    • A61M5/321—Means for protection against accidental injuries by used needles
    • 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
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    • 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
    • A61M5/3205—Apparatus for removing or disposing of used needles or syringes, e.g. containers; Means for protection against accidental injuries from used needles
    • A61M5/3278—Apparatus for destroying used needles or syringes
    • 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
    • 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
    • A61M5/3205—Apparatus for removing or disposing of used needles or syringes, e.g. containers; Means for protection against accidental injuries from used needles
    • A61M2005/3206—Needle or needle hub disconnecting devices forming part of or being attached to the hub or syringe body
    • 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
    • A61M5/3205—Apparatus for removing or disposing of used needles or syringes, e.g. containers; Means for protection against accidental injuries from used needles
    • A61M5/321—Means for protection against accidental injuries by used needles
    • A61M5/3216—Caps placed transversally onto the needle, e.g. pivotally attached to the needle base
    • A61M2005/3217—Means to impede repositioning of protection cap from needle covering to needle uncovering position, e.g. catch mechanisms
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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    • 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
    • A61M5/3205—Apparatus for removing or disposing of used needles or syringes, e.g. containers; Means for protection against accidental injuries from used needles
    • A61M5/3278—Apparatus for destroying used needles or syringes
    • A61M2005/3284—Deformaton of needle by deflection or bending
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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    • A61M2207/00—Methods of manufacture, assembly or production

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  • Infusion, Injection, And Reservoir Apparatuses (AREA)

Abstract

一种与一次性注射针头(1)一起使用的保护盖(4)，例如，用于注射胰岛素的一次性注射针头，注射针头包括基座(3)以及固定于该基座(3)的针(2)，该保护盖包括枢转地固定在该基座上的防护罩(9)，沿针的纵向看，该防护罩(9)设置成能采用握住放置有该注射针头的注射器的同一只手在注射针头的针(2)的侧边的非活动位置和针(2)前面的活动位置之间枢转。

Description

一次性注射针头的保护盖
技术领域
本发明涉及一次性注射针头如用于注射胰岛素的一次性注射针头的保护盖。
背景技术
注射针头的基座拧紧到注射器上与注射针头如与胰岛素笔使用的注射针头连接，以用于注射胰岛素。针设置在基座里，针上面设置有保护套，使用之前去除该保护套。使用之后保护套再次套到针上面。该保护套非常窄，因此很容易遗失该保护套，有刺伤的风险。
现有方案的另一个问题是使用者多次重复使用已经用过的注射针头。这意味着有感染的风险，也会有组织损害，因为针不锋利了。
因此，需要改进注射针头的保护盖。
发明内容
本发明的一个目的是提供一种注射针头的保护盖，以消除或至少减轻针损害或穿刺损害的风险。
本发明的另一个目的是提供一种保护针盖，该保护针盖还可以使针难以重新使用或甚至不能再使用。
通过本发明的注射针头保护盖可以实现上述和其他目的。
通过构建保护针盖，可以实现当针已经使用一次时，通过将防护罩升高到至针的前面来使防护罩覆盖针。
本发明的一个优点是升高罩体可以用一个手完成以及可以用握注射器的同一个手来完成，并且当针没有被防护罩覆盖时手的任何一部分都不需要经过针尖区域。
附图说明
本发明结合附图所示的实施例在下面进行详细说明，其中
图1示意性地示出了本发明的具有保护针盖的注射针头，该保护盖处在非活动位置，该注射针头与具有针的基座一体成型；
图2示出了图1中的各个装置的从斜下方看的立体图，该保护针盖同样处于非活动位置；以及
图3示意性地示出了具有已活动的保护针盖的基座。
具体实施方式
因此，本发明涉及一种装置，当该装置与一次性注射针头一起被使用时可预防刺伤。该注射针头可以是一次性注射器的一部分或者是可以分离的并设计成用于固定到注射器的一端，如通过螺纹连接，通过锁紧的形式或通过力，比如借助于槽，固定到注射器的一端。
根据现今的做法，注射针头是带有保护盖交付的，该保护盖为套的形式，其拧到针上面。针使用之后，通常该保护针盖重新拧到针上面，之后处于比如可能发生刺伤的其他场合。该套状保护针盖还能够用于与本发明的保护针盖结合的注射针头直到实施注射。
图1示意性地示出了具有本发明的保护针盖的注射针头。该注射针头的标号是1，该注射针头包括针2和基座3。本发明的保护针盖4枢转连接到基座3。
根据本发明的优选实施例，基座与该保护针盖4使用合适的塑料材料通过注塑一体成型。该保护针盖包括具有两个臂部5，6的轭体，该轭体枢转连接到该基座，在优选实施例中该轭体通过塑料的铰链7，8与组成该装置的其他部件设置成一体。该轭体的臂部5，6在与铰链相对的一端过渡成防护罩9。
如图所示，防护罩9可以是圆顶的，同样如图所示，防护罩9可以具有弯曲的侧边缘以使其能够绕基座以及基座中的针摇摆到基座上方低于凸出基座的针凸起的高度。该防护罩的前缘可具有导向槽或刻槽，以在升高本发明的保护针盖时抓住针。
图2示意性地展示了从斜下方看的保护针盖，以展示保护针盖悬停在注射针头的基座。臂部5，6铰接于基座的完全相对的两侧。
因为制造的原因也因为经济原因，基座优选用合适的塑料材料与保护针盖一体成型。但是这不是本发明的功能的关键点，如果出于其他原因需要，该枢转性可以以其他方式获得。例如，该臂部可设有插销，该插销扣入或以其他方式连接基座里的相应开口。
基座上设有肩部11，该肩部包括：第一斜坡状的倾斜侧面12以及垂直于基座的第二侧面13，该倾斜侧面12作为保护针盖的各个臂部的直部。由此，肩部形成，当在升高保护针盖时，臂部可在肩部上滑动，且在抬起位置臂部自动扣合在肩部后方，并且如果没有进一步的力的话该臂部不能从该位置被松开，如图3所示。
毕竟防护罩是能够从基座移除的。为了尽可能防止注射针头再次使用，本发明的一个优选实施例中，可对臂部5，6的长度进行调节从而使针2变形，即弯曲，如图3中的虚线所示，变形到针变得不能使用的程度。
在图中所示的实施例中，保护针盖4具有背面14，该背面大体平行于枢转臂部5，6延伸，但仅仅部分覆盖臂部之间的间隙，以不阻碍保护针盖升高到高于基座。进一步，背部具有凸起15，该凸起加强操作过程中的抓力。这个实施例的保护针盖可以用一个手处理以及能够用握注射器的同一个手来处理，没有任何危险。并且，当提升该防护罩时手从来不需要处于针尖的“错误”侧，可以保证安全处理。
当然在权利要求的范围内可以对保护针盖的具体结构进行改变。因此，作为基座上锁紧肩部的替代，该防护罩内部可设有扣环，该扣环扣到围绕该针的基座上。
进一步，该防护罩内部可以设有肩部，该肩部设计成当防护罩在提升过程中碰到针并将针弯曲时，针尖落入该肩部后面，因此该针的再次使用变得更加困难。

Claims (5)

1.一种与一次性注射针头(1)一起使用的保护盖(4)，该注射针头包括基座(3)以及固定于该基座(3)的针(2)，该保护盖(4)包括枢转地固定在该基座(3)上的防护罩(9)，沿针的纵向看，该防护罩(9)设置成能采用握住放置有该注射针头(1)的注射器的同一只手在注射针头的针(2)的侧边的非活动位置和针前面的活动位置之间枢转，其特征在于，该防护罩(9)包括具有两个臂部(5、6)的轭体，两个臂部(5、6)的一端支撑该防护罩(9)以及另一端与该注射针头的基座(3)枢转连接，臂部(5、6)的长度为当将防护罩(9)带到其活动位置时，防护罩(9)能够绕基座摆到基座上方低于凸出基座的针凸起的高度以使得所述针(2)被弯曲到不能使用的程度，而同时防护罩(9)的延伸部分使得针完全被防护罩(9)覆盖。
2.如权利要求1所述的保护盖(4)，其特征在于，防护罩(9)与注射针头的基座(3)一体成型，其中防护罩(9)通过材料的整体桥梁方式连接到基座(3)来实现枢转。
3.如权利要求1或2所述的保护盖(4)，其特征在于，防护罩(9)不可逆地锁定在活动位置。
4.如权利要求3所述的保护盖(4)，其特征在于，该防护罩(9)借助于两个设置在基座(3)上的锁定肩部(11)锁定于该活动位置。
5.如权利要求4所述的保护盖(4)，其特征在于，该锁定肩部(11)具有倾斜成斜坡的直部(12)，当防护罩(9)从非活动位置上升到活动位置时，轭体的臂部(5、6)在斜坡上滑动上升，该直部的一侧自基座(3)垂直延伸，当防护罩(9)位于覆盖针(2)的活动位置时，轭体的各个臂部(5、6)抵靠在该直部的该侧。
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CN106573116B (zh) * 2014-08-04 2021-05-07 欧文蒙福德有限公司 可缩回针组件
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EP2866866A4 (en) 2016-03-16
SE536565C2 (sv) 2014-02-25
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