WO2015135498A1 - 一种一次性使用安全注射针 - Google Patents

一种一次性使用安全注射针 Download PDF

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Publication number
WO2015135498A1
WO2015135498A1 PCT/CN2015/074188 CN2015074188W WO2015135498A1 WO 2015135498 A1 WO2015135498 A1 WO 2015135498A1 CN 2015074188 W CN2015074188 W CN 2015074188W WO 2015135498 A1 WO2015135498 A1 WO 2015135498A1
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WO
WIPO (PCT)
Prior art keywords
needle
sleeve
safety
cylinder
safe
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PCT/CN2015/074188
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English (en)
French (fr)
Inventor
祁建忠
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扬州美德莱国际贸易有限公司
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Application filed by 扬州美德莱国际贸易有限公司 filed Critical 扬州美德莱国际贸易有限公司
Priority to DE212015000037.0U priority Critical patent/DE212015000037U1/de
Priority to AU2015230416A priority patent/AU2015230416A1/en
Publication of WO2015135498A1 publication Critical patent/WO2015135498A1/zh

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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
    • A61M5/3205—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
    • A61M5/3293—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

Definitions

  • the utility model belongs to the field of medical device technology, and particularly relates to a disposable safety injection needle.
  • Safe self-destructing disposable syringes are widely used in the medical field to avoid cross-infection of viruses caused by the use of unsanitary syringes.
  • ordinary disposable syringes cause some operators to use them twice or multiple times, and the user's illegal operation causes cross-infection.
  • people set up self-destructing devices on disposable ordinary syringes. .
  • the self-destructive disposable syringe can prevent the re-use of the syringe, after the syringe is used, the exposed syringe can cause a lot of inconvenience in the process of collection, transportation, treatment, etc., and it is still possible to stab the medical staff and Its related personnel, causing cross-infection of viral bacteria. Therefore, designing a new type of disposable safety needle for the protection of the injection needle is an urgent need in the market today.
  • the object of the present invention is to provide a disposable safety needle that can be used twice without cross-infection; In the middle, the needle is protected, it is not easy to scratch people, it is beneficial to people's health, and the product is easy to manufacture, low in price and versatile to meet the needs of use.
  • the disposable safety needle includes a safety needle sleeve, a needle holder, a needle tube sheath and a needle
  • the safety needle sleeve includes a sleeve and a cylinder for covering the needle, and the sleeve is passed under the spring buckle and the cylinder Connected;
  • the sleeve is composed of a sleeve arm and two inner walls of the sleeve symmetrically disposed on both sides of the sleeve arm, forming an open structure on one side, and a square sheet, square in the middle of the sleeve inner wall of the sleeve The sheet is at an angle of 60° with the sleeve arm; a cone is disposed below the sleeve, and a hole for engaging the cone is provided above the cylinder; and one end of the needle holder is needle bonded The other end is the inner conical joint end, and the middle part of the needle seat is a safety needle sleeve connecting section used
  • An inner frosted concave-convex groove is disposed on an inner wall of the cylinder; an outer frosted concave-convex groove is disposed on an outer wall of the safety needle sleeve connecting section, and the inner frosted concave-convex groove and the outer frosted concave-convex groove are matched, and the cylinder is fixed In the safety needle sleeve connection section of the needle holder.
  • a bayonet for holding the sheath of the needle tube is disposed at a bottom of the sleeve; and a sleeve reinforcing rib is disposed on an outer circumference of the sleeve.
  • the inner conical joint end is a 6:100 joint.
  • a needle sheathing retaining ring is provided on the needle bonding section.
  • a positioning ring for fixing the cylinder on the safety needle sleeve to the safety needle sleeve connecting section is not provided on the safety needle sleeve connecting section.
  • the cylinder is a cylinder having an inner diameter of 6.3 mm to 6.7 mm
  • the safety needle sleeve connecting section is a safety needle sleeve connecting section having an outer diameter of 6.4 mm to 6.8 mm.
  • the needle tube sheath is set on the needle, and a needle sheath rib is arranged on the needle tube sheath.
  • the utility model has the advantages that the single-use safety injection needle of the utility model has the advantages of reasonable and simple structure, can be used not to be used twice, and does not cross-infect; in the process of post-treatment, the needle is protected, it is not easy to scratch, and is beneficial to people.
  • the body is healthy, and the product is easy to manufacture, low in price, safe to use, not only can be equipped with a screw syringe or a socket syringe, so that various types of syringes can be equipped with a safety needle sleeve, which is highly versatile; and the needle seat structure Reasonable, the injection residue can be controlled within 0.02ml, the injection is accurate, safe and reliable, has good practicability, and can produce good economic and social benefits.
  • Figure 1 is a front view of the safety needle cover
  • Figure 2 is a side view of the safety needle cover
  • Figure 3 is a rear view of the safety needle cover
  • Figure 4 is a bottom view of the safety needle cover
  • Figure 5 is a schematic structural view of a needle holder
  • Figure 6 is a cross-sectional view of the needle holder
  • Figure 7 is a schematic view showing the structure of a single-use safety injection needle
  • Figure 8 is a cross-sectional view of a disposable safety needle.
  • the disposable safety needle includes a safety needle sleeve 1, a needle holder 2, a needle tube sheath 18 and a needle, and the safety needle sleeve 1 includes a sleeve 3 and a cylinder 4 for covering the needle.
  • the sleeve 3 is connected to the cylinder 4 via a spring buckle 5, and the sleeve 3 is elastically moved at a position of 180° above and below the cylinder 4; the sleeve 3 is symmetrically disposed on the sleeve by a sleeve arm and two
  • the inner wall of the sleeve on both sides of the arm is formed to form an open structure on one side, and a square piece 6 is arranged in the middle of the inner wall of the sleeve of the sleeve 3, the square piece 6 is at an angle of 60° with the sleeve arm; a cone 7 is arranged below, and a matching cone 7 is arranged above the cylinder 4.
  • the card hole 8 is used, and an inner frosted concave groove 9 is provided on the inner wall of the cylinder 4; a bayonet 10 for holding the needle tube sheath 18 is provided at the bottom of the sleeve 3 for fixing the needle tube sheath before use. 18; a sleeve reinforcing rib 17 is provided on the outer circumference of the sleeve 3.
  • the needle holder 2 is composed of a needle bonding section 11, a safety needle sleeve connecting section 12 and an inner conical joint end 13, one end of the needle hub 2 is a needle bonding section 11, and the other end is an inner conical joint end 13, and the inner conical joint end 13 is a 6:100 joint; in the middle of the needle holder 2 is a safety needle sleeve connecting section 12, and on the outer wall of the safety needle sleeve connecting section 12, an outer sanding concave groove 16 is provided, an inner sanding concave groove 9 and an outer sanding concave groove 16 After the fitting, the cylinder 4 is fixed in the safety needle sleeve connecting section 12 of the needle holder 2, the needle seat 2 and the safety needle sleeve 1 do not easily slide and can be gently rotated to adjust the direction, which is convenient for use; on the safety needle sleeve connecting section 12 A positioning ring 15 for fixing the cylinder 4 on the safety needle sleeve 1 to the safety needle
  • the cylinder 4 is a cylinder 4 having an inner diameter of 6.3 mm to 6.7 mm
  • the safety needle sleeve connecting section 12 is a safety needle sleeve connecting section 12 having an outer diameter of 6.4 mm to 6.8 mm. Slide easily.
  • a needle cannula sheath 18 is placed over the needle, and a needle cannula sheath rib 19 is provided on the needle cannula sheath 18.
  • Working process Before use, the needle tube sheath 18 is fixed at a specific position through the bayonet 10; in use, after the needle tube sheath 18 is removed, the required injection medicine is sucked by a syringe, and after the injection is completed, the safety needle sleeve is taken.
  • the sleeve 3 of 1 is closed by the spring buckle 5 and engaged with the cylinder 4, and fixed by the cone head 7 and the card hole 8; the needle is fastened by the square sheet 6 to complete the locking; and the special structure of the needle holder 2 is used to make the fixing
  • the needle is firm and not easy to slide, and can be rotated properly, which is safe and reliable at the same time.
  • the disposable safety injection needle has a reasonable and simple structure, can be used not to be used twice, and does not cross-infect; in the post-treatment process, the needle is protected, it is not easy to scratch, and it is beneficial to people's health, and the product It is easy to manufacture and low in price. It can be equipped with screw syringes and socket syringes, so that all kinds of syringes can be equipped with safety needle sleeves. It is safe to use, versatile and has good practicability.

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  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Environmental & Geological Engineering (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

一种一次性使用安全注射针，包括相互配合使用的安全针套(1)、针头座(2)、针头护套(18)和针头；所述的安全针套(1)包括用于套住针头的套筒(3)，在所述的套筒(3)上设有用于扣住针头的方形薄片(6)，在所述的套筒(3)下部设有固定针头护套(18)的卡口(10)；在套筒(3)的下方设有用于与针头座(2)相连的圆筒(4)；在所述的圆筒(4)内壁上设有内磨砂凹凸槽(9)；所述的针头座(2)上设有针头粘结段(11)、安全针套连接段(12)和内圆锥接头端(13)；在安全针套连接段(11)上设有定位安全针套(1)的定位圈(15)和防止安全针套(1)轻易滑动的外磨砂凹凸槽(16)；其中，配合后，所述的圆筒(4)配合在针头座(2)的安全针套连接段(11)内。该安全注射针结构合理简单，不可二次使用，不会交叉感染，不易划伤人，制造容易、价格低廉，使用安全，使得各种品种的注射器都可以配安全针套(1)，通用性强，具有很好的实用性。

Description

一种一次性使用安全注射针 技术领域
本实用新型属于医疗器械技术了领域，具体涉及一种一次性使用安全注射针。
背景技术
安全自毁式一次性注射器在医疗领域内被广泛使用，避免了使用不卫生注射器而产生的病毒交叉感染。但普通一次性注射器由于结构的问题导致一些操作者进行二次使用或多次使用，使用者的违规操作产生交叉感染，为了杜绝人为的回收重复使用，人们在一次性普通注射器上设置自毁装置。但是，自毁式一次性注射器虽然能防止注射器的重复使用，但注射器使用后由于注射针外露使得废弃的注射器在收集、运输、处理等过程中产生诸多的不便，仍有可能刺伤医务人员和其相关人员，造成病毒细菌的交叉感染。因此，设计一种用于对注射针进行保护的一次性使用新型安全注射针，是当今市场的迫切需求。
发明内容
发明目的：针对现有技术中存在的不足，本实用新型的目的是提供一种一次性使用安全注射针，这种安全注射针可以做到不可二次使用，不会交叉感染；在后处理过程中，对针头给予保护，不易划伤人，有利于人们的身体健康，而且产品制造容易、价格低廉，通用性强，以满足使用需求。
技术方案：为了实现上述发明目的，本实用新型采用如下技术方案：
一次性使用安全注射针，包括安全针套、针头座、针管护套和针头，所述的安全针套包括用于套住针头的套筒和圆筒，套筒的下方通过弹簧扣与圆筒相连；所述的套筒由一个套筒臂和两个对称设置在套筒臂两侧的套筒内壁组成，形成一侧开放的结构，在套筒的套筒内壁中间设有方形薄片，方形薄片与套筒臂呈60°夹角；在套筒的下方设有锥头，在所述的圆筒的上方设有配合锥头使用的卡孔；所述的针头座的一端为针头粘结段，另一端为内圆锥接头端，在针头座的中部为配合圆筒使用的安全针套连接段。
在所述的圆筒的内壁上设有内磨砂凹凸槽；在所述的安全针套连接段的外壁上设有外磨砂凹凸槽，内磨砂凹凸槽和外磨砂凹凸槽配合后，圆筒固定在针头座的安全针套连接段内。
在所述的套筒的底部设有用于扣住针管护套的卡口；在所述的套筒的外周上设有套筒加强筋。
所述的内圆锥接头端为6：100接头。
在所述的针头粘结段上设有针管护套卡环。
在所述的安全针套连接段上设有用于将安全针套上的圆筒固定在安全针套连接段上不分离的定位圈。
所述的圆筒为内径在6.3mm～6.7mm之间的圆筒，安全针套连接段为外径在6.4mm～6.8mm之间的安全针套连接段。
所述的针管护套套装在针头上，在针管护套上设有针管护套加强筋。
有益效果：本实用新型的一次性使用安全注射针，结构合理简单，可以做到不可二次使用，不会交叉感染；在后处理过程中，对针头给予保护，不易划伤人，有利于人们的身体健康，而且产品制造容易、价格低廉，使用安全，不仅可以配螺口注射器还可以配插口注射器，使得各种品种的注射器都可以配安全针套，通用性强；而且，该针头座结构合理，能够将注射残留量控制在0.02ml以内，注射精准，安全可靠，具有很好的实用性，能够产生很好的经济效益和社会效益。
附图说明
图1是安全针套的主视图；
图2是安全针套的侧视图；
图3是安全针套的后视图；
图4是安全针套的仰视图；
图5是针头座的结构示意图；
图6是针头座的剖视图；
图7是一次性使用安全注射针的结构示意图；
图8是一次性使用安全注射针的剖视图。
具体实施方式
下面结合附图对本实用新型作进一步的说明。
如图1～8所示，一次性使用安全注射针，包括安全针套1、针头座2、针管护套18和针头，安全针套1包括用于套住针头的套筒3和圆筒4，套筒3的下方通过弹簧扣5与圆筒4相连，将套筒3在圆筒4的上下180°的位置上弹性移动；套筒3由一个套筒臂和两个对称设置在套筒臂两侧的套筒内壁组成，形成一侧开放的结构，在套筒3的套筒内壁中间设有方形薄片6，该方形薄片6与套筒臂呈60°夹角；在套筒3的下方设有锥头7，在圆筒4的上方设有配合锥头7 使用的卡孔8，在圆筒4的内壁上设有内磨砂凹凸槽9；在套筒3的底部设有用于扣住针管护套18的卡口10，用于在使用前固定针管护套18；在套筒3的外周上设有套筒加强筋17。
针头座2由针头粘结段11、安全针套连接段12和内圆锥接头端13组成，针头座2的一端为针头粘结段11，另一端为内圆锥接头端13，该内圆锥接头端13为6：100接头；在针头座2的中部为安全针套连接段12，在安全针套连接段12的外壁上设有外磨砂凹凸槽16，内磨砂凹凸槽9和外磨砂凹凸槽16配合后，圆筒4固定在针头座2的安全针套连接段12内，针头座2和安全针套1不轻易滑动且可以轻轻转动调节方向，方便使用；在安全针套连接段12上设有用于将安全针套1上的圆筒4固定在安全针套连接段12上不分离的定位圈15；在针头粘结段11上设有针管护套卡环14；针头粘结段11、安全针套连接段12和内圆锥接头端13采用一体式结构，制造容易，结构牢固。针头座2内部尺寸设计合理，将注射残留量控制在0.02ml以内。
圆筒4为内径在6.3mm～6.7mm之间的圆筒4，安全针套连接段12为外径在6.4mm～6.8mm之间的安全针套连接段12，两者之间相互配合不轻易滑动。
针管护套18套装在针头上，在针管护套18上设有针管护套加强筋19。工作过程：使用前，先通过卡口10固定针管护套18在特定的位置；使用时，拔掉针管护套18后，用注射器吸取所需的注射药品，进行注射完毕后，将安全针套1的套筒3合上通过弹簧扣5与圆筒4配合后，通过锥头7和卡孔8固定；通过方形薄片6扣住针头，完成锁定；通过针头座2的特殊结构，使得固定后的针头牢固且不易滑动，又能适当旋转，方便使用的同时，安全可靠。
该一次性使用安全注射针，结构合理简单，可以做到不可二次使用，不会交叉感染；在后处理过程中，对针头给予保护，不易划伤人，有利于人们的身体健康，而且产品制造容易、价格低廉，不仅可以配螺口注射器还可以配插口注射器，使得各种品种的注射器都可以配安全针套，使用安全，通用性强，具有很好的实用性。

Claims (8)

  1. 一次性使用安全注射针，其特征在于：包括安全针套(1)、针头座(2)、针管护套(18)和针头，所述的安全针套(1)包括用于套住针头的套筒(3)和圆筒(4)，套筒(3)的下方通过弹簧扣(5)与圆筒(4)相连；所述的套筒(3)由一个套筒臂和两个对称设置在套筒臂两侧的套筒内壁组成，形成一侧开放的结构，在套筒(3)的套筒内壁中间设有方形薄片(6)，方形薄片(6)与套筒臂呈60°夹角；在套筒(3)的下方设有锥头(7)，在所述的圆筒(4)的上方设有配合锥头(7)使用的卡孔(8)；所述的针头座(2)的一端为针头粘结段(11)，另一端为内圆锥接头端(13)，在针头座(2)的中部为配合圆筒(4)使用的安全针套连接段(12)。
  2. 根据权利要求1所述的一次性使用安全注射针，其特征在于：在所述的圆筒(4)的内壁上设有内磨砂凹凸槽(9)；在所述的安全针套连接段(12)的外壁上设有外磨砂凹凸槽(16)，内磨砂凹凸槽(9)和外磨砂凹凸槽(16)配合后，圆筒(4)固定在针头座(2)的安全针套连接段(12)内。
  3. 根据权利要求1所述的一次性使用安全注射针，其特征在于：在所述的套筒(3)的底部设有用于扣住针管护套(18)的卡口(10)；在所述的套筒(3)的外周上设有套筒加强筋(17)。
  4. 根据权利要求1所述的一次性使用安全注射针，其特征在于：所述的内圆锥接头端(13)为6：100接头。
  5. 根据权利要求1所述的一次性使用安全注射针，其特征在于：在所述的针头粘结段(11)上设有针管护套卡环(14)。
  6. 根据权利要求1所述的一次性使用安全注射针，其特征在于：在所述的安全针套连接段(12)上设有用于将安全针套(1)上的圆筒(4)固定在安全针套连接段(12)上不分离的定位圈(15)。
  7. 根据权利要求1所述的一次性使用安全注射针，其特征在于：所述的圆筒(4)为内径在6.3mm～6.7mm之间的圆筒(4)，安全针套连接段(12)为外径在6.4mm～6.8mm之间的安全针套连接段(12)。
  8. 根据权利要求1所述的一次性使用安全注射针，其特征在于：所述的针管护套(18)套装在针头上，在针管护套(18)上设有针管护套加强筋(19)。
PCT/CN2015/074188 2014-03-13 2015-03-13 一种一次性使用安全注射针 WO2015135498A1 (zh)

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CN203790382U (zh) * 2014-03-13 2014-08-27 扬州美德莱国际贸易有限公司 一种一次性使用安全注射针
CN106390238A (zh) * 2016-11-02 2017-02-15 扬州美德莱医疗用品有限公司 一次性使用安全胰岛素注射器

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