WO2013120342A1 - 双针加药器 - Google Patents

双针加药器 Download PDF

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Publication number
WO2013120342A1
WO2013120342A1 PCT/CN2012/079549 CN2012079549W WO2013120342A1 WO 2013120342 A1 WO2013120342 A1 WO 2013120342A1 CN 2012079549 W CN2012079549 W CN 2012079549W WO 2013120342 A1 WO2013120342 A1 WO 2013120342A1
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WO
WIPO (PCT)
Prior art keywords
needle
double
mixed
dosing device
protective sleeve
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2012/079549
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English (en)
French (fr)
Inventor
邱宇
李科
袁媛
李鸿宇
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chongqing Lummy Pharmaceutical Co Ltd
Original Assignee
Chongqing Lummy Pharmaceutical Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from CN2012200453864U external-priority patent/CN202459333U/zh
Priority claimed from CN2012201737327U external-priority patent/CN202505774U/zh
Priority claimed from CN 201220173744 external-priority patent/CN202568874U/zh
Application filed by Chongqing Lummy Pharmaceutical Co Ltd filed Critical Chongqing Lummy Pharmaceutical Co Ltd
Priority to EP12868624.3A priority Critical patent/EP2845577B1/en
Priority to CA 2877506 priority patent/CA2877506A1/en
Priority to US14/415,604 priority patent/US20150157536A1/en
Publication of WO2013120342A1 publication Critical patent/WO2013120342A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61J—CONTAINERS 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
    • A61J1/00—Containers specially adapted for medical or pharmaceutical purposes
    • A61J1/14—Details; Accessories therefor
    • A61J1/20—Arrangements for transferring or mixing fluids, e.g. from vial to syringe
    • A61J1/2089—Containers or vials which are to be joined to each other in order to mix their contents
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61J—CONTAINERS 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
    • A61J1/00—Containers specially adapted for medical or pharmaceutical purposes
    • A61J1/14—Details; Accessories therefor
    • A61J1/1406—Septums, pierceable membranes
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61J—CONTAINERS 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
    • A61J1/00—Containers specially adapted for medical or pharmaceutical purposes
    • A61J1/14—Details; Accessories therefor
    • A61J1/1475—Inlet or outlet ports
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61J—CONTAINERS 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
    • A61J1/00—Containers specially adapted for medical or pharmaceutical purposes
    • A61J1/14—Details; Accessories therefor
    • A61J1/20—Arrangements for transferring or mixing fluids, e.g. from vial to syringe
    • A61J1/2003—Accessories used in combination with means for transfer or mixing of fluids, e.g. for activating fluid flow, separating fluids, filtering fluid or venting
    • A61J1/2006—Piercing means
    • A61J1/2013—Piercing means having two piercing ends
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61J—CONTAINERS 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
    • A61J1/00—Containers specially adapted for medical or pharmaceutical purposes
    • A61J1/14—Details; Accessories therefor
    • A61J1/20—Arrangements for transferring or mixing fluids, e.g. from vial to syringe
    • A61J1/2003—Accessories used in combination with means for transfer or mixing of fluids, e.g. for activating fluid flow, separating fluids, filtering fluid or venting
    • A61J1/2048—Connecting means
    • A61J1/2055—Connecting means having gripping means
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61J—CONTAINERS 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
    • A61J1/00—Containers specially adapted for medical or pharmaceutical purposes
    • A61J1/05—Containers specially adapted for medical or pharmaceutical purposes for collecting, storing or administering blood, plasma or medical fluids ; Infusion or perfusion containers
    • A61J1/10—Bag-type containers
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61J—CONTAINERS 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
    • A61J1/00—Containers specially adapted for medical or pharmaceutical purposes
    • A61J1/14—Details; Accessories therefor
    • A61J1/20—Arrangements for transferring or mixing fluids, e.g. from vial to syringe
    • A61J1/2003—Accessories used in combination with means for transfer or mixing of fluids, e.g. for activating fluid flow, separating fluids, filtering fluid or venting
    • A61J1/2006—Piercing means
    • A61J1/201—Piercing means having one piercing end

Definitions

  • the utility model relates to a medical device, in particular to a double needle dosing device.
  • the mixed solution is then introduced into a patient such as a hospital clinical institution.
  • a syringe is used to mix a drug in a drug container with a solution in an infusion container (infusion soft bag or infusion soft bottle).
  • the solution in the infusion container infusion soft bag or infusion soft bottle
  • the mixed solution is also used to move the mixed solution into the infusion container (infusion soft bag or infusion soft bottle).
  • this method is usually used in clinical institutions of hospitals, but this mixed mode is complicated and time-consuming to operate, not only prone to dispensing errors, but also highly likely to introduce pollution during the mixing process, affecting drug safety and causing serious problems. Medical accident. Therefore, improving the mixed drug method is a necessary task for preparation before infusion.
  • the present invention provides a double-needle dosing device which can realize mixing of drugs only once, and which is simpler and more time-saving.
  • the double needle dosing device is composed of a needle seat, an upper needle and a lower needle.
  • the upper needle and the lower needle are arranged on both sides of the needle seat, and the upper needle and the lower needle are both hollow structures and communicate with each other along the edge of the needle seat.
  • a mixture of needles extending upwardly to form a cup body structure .
  • the upper needle and the lower needle are disposed along the axis of the mixed body of the cup structure.
  • the upper port of the mixed body is provided with a sealing membrane.
  • At least two anti-slip buckles which are barbed and are used to prevent loosening of the drug container are symmetrically disposed on the inner wall of the mixed body.
  • the double needle and the mixed drug body are packaged in an outer package.
  • the bottom of the mixed body is provided with an annular rubber pad which is placed outside the upper needle.
  • the double needle dosing device further includes a sealing sleeve and a protective sleeve, the sealing sleeve is sleeved on the needle tip of the lower needle, and the protective sleeve is sleeved outside the sealing sleeve and fixed on the mixed body or On the lower needle.
  • the protective cover is fixed at the bottom of the mixed drug body.
  • the bottom of the mixed body has a ferrule
  • the protective sleeve is sleeved on the ferrule and sealingly engaged with the ferrule.
  • the outer wall of the lower needle is provided with an annular boss in the circumferential direction, and the protective sleeve is sleeved on the annular boss and sealingly engages with the annular boss.
  • the sealing sleeve is made of a material that is elastic, tough or soft.
  • the utility model has the beneficial effects that: when the double needle applicator is used, the upper needle only needs to pierce the sealing plug of the medicine container, and the lower needle simultaneously pierces the sealing cover on the infusion container (infusion soft bottle or infusion soft bag)
  • the sealing plug inside, the squeeze infusion container (infusion soft bag or infusion soft bottle) can mix the medicine in the drug container with the solution in the infusion container (infusion soft bag or infusion soft bottle), and the mixing operation is simpler and more simple. save time.
  • Figure 1 is a cross-sectional view of the first embodiment of the double needle dosing device
  • Figure 2 is a cross-sectional view of the second embodiment of the double needle dosing device
  • Fig. 3 is a schematic view showing the structure of a double needle dosing device when mixing.
  • a double needle dosing device consists of a needle hub 1, an upper needle 2 and a lower needle 3.
  • the upper needle 2 and the lower needle 3 are disposed on both sides of the needle seat 1, and the upper needle 2 and the lower needle 3 are both hollow structures and communicate with each other, and extend along the edge of the needle holder 1 in the direction of the needle 2 to form a mixed body of a cup body structure. 4 .
  • Both the upper needle 2 and the lower needle 3 are disposed along the axis of the mixed body 4 of the cup body structure, and when the medicine container 7 is caught in the mixed body 4, the upper needle 2 is inserted into the drug container 7 from the middle of the sealing cover of the drug container 7. To avoid the needle 2 pinning.
  • the upper port of the mixed body 4 is provided with a sealing membrane 5, and the double needle and the mixed body 4 are enclosed in an outer package.
  • the sealing membrane 5 is used in combination with an outer package (such as a sealed bag), so that the mixed body 4 and the double needle can be sealed, not only maintaining the upper needle 2 in the mixed body 4 and the mixed body 4 before use.
  • the good cleanliness also effectively protects the sharpness of the upper needle 2 and the internal structure of the mixed body 4 to avoid damage during transportation; when in use, the outer package is disassembled and the sealing membrane 5 is removed.
  • At least two anti-slip fasteners 6 which are barbed and used to prevent loosening of the vials are symmetrically disposed.
  • six anti-slip fasteners 6 are symmetrically disposed on the inner wall of the mixed body 4. After the drug container 7 is inserted into the mixed body 4, the drug container 7 can effectively prevent the drug container 7 from being withdrawn or loosened in the opposite direction in the mixed body 4 under the hindrance of the anti-slip fastener 6.
  • the bottom of the mixed body 4 is provided with an annular rubber pad 11 which is sleeved outside the upper needle 2. Since the annular rubber pad 11 has good elasticity, when the drug container 7 is inserted into the mixed body 4, the annular rubber pad 11 and The anti-slip buckle 6 on the mixed body 4 can effectively prevent the drug container 7 from loosening, and the annular rubber pad 11 completely seals the insertion site between the drug container 7 and the bottom of the mixed drug body 4, so as to avoid leakage of the liquid medicine during the mixed medicine. The absolute airtightness in the drug container 4 after the drug mixture can also be strictly ensured, so as to prevent the danger of the bacteria.
  • the double needle dosing device further includes a sealing sleeve 12 and a protective sleeve 13.
  • the sealing sleeve 12 is sleeved on the needle tip of the lower needle 3.
  • the protective sleeve 13 is sleeved outside the sealing sleeve 12 and fixed on the mixed body 4 or the lower needle 3.
  • the protective sleeve 13 is fixed on the bottom of the mixed body 4 , and has a ferrule 14 at the bottom of the mixed body 4 .
  • the protective sleeve 13 is sleeved on the ferrule 14 and sealed with the ferrule 14 .
  • the sealing sleeve 12 is made of elastic, tough or soft material, and the sealing sleeve 12 has elasticity or toughness, and can be in close contact with the outer wall of the lower needle 3 in the whole process of mixing, so as not to slide loosely by itself.
  • the protective sleeve 13 can also be fixed on the lower needle 3 (as shown in FIG. 2).
  • the outer wall of the lower needle 3 is provided with an annular boss 15 in the circumferential direction, and the protective sleeve 13 is sleeved on the annular boss 15 and is connected with the annular boss. 15 sealed fit.
  • the sealing sleeve 12 Since the sealing sleeve 12 is sleeved on the needle tip of the lower needle 3, the sealing sleeve 12 keeps the needle tip of the lower needle 3 in a sealed state, and the sealing membrane 5 provided through the sealing sleeve 12 and the upper port of the mixed body 4 can be made in the double needle
  • the passage and the mixed body 4 are in a sealed state, and it is effective to avoid contamination of the passage in the double needle and the inside of the mixed body 4.
  • the protective sleeve 13 is sleeved outside the sealing sleeve 12 and fixed on the mixed body 4. The protective sleeve 13 serves to protect the sealing sleeve 12 and the lower needle from being cleaned, and can prevent the sealing sleeve 12 from falling off the needle tip under the action of an external force.
  • the sealing membrane 5 and the protective sleeve 13 are removed, the needle tip of the upper needle 2 is directly aligned with the sealing plug of the drug container 7, and the needle tip of the lower needle 3 is simultaneously aligned.
  • the sealing plug 10 in the sealing cover 9 is rapidly applied with pressure to advance the needle tip toward the sealing plug.
  • the sealing sleeve 12 is Puncture and upward movement along the lower needle 3 does not affect the continued puncture of the lower needle, which facilitates the aseptic connection of the drug container 7 and the infusion container 8.
  • the double needle applicator can also be placed vertically, so that the lower needle 3 pierces the sealing plug 10 in the sealing cover 9 on the infusion container 8 first, and then pierces the upper needle 2 through the sealing plug of the drug container 7;
  • the double needle applicator can also be inverted, the upper needle 2 is first pierced down the sealing cover of the drug container 7, and the lower needle 3 is pierced upwardly through the sealing plug 10 in the sealing cover 9 on the infusion container 8,
  • the drug container 7 and the infusion container 8 can be connected by the double needle doser in three ways.
  • the infusion container can be squeezed to mix the drug in the drug container with the solution in the infusion container, and the mixing operation is simpler and more time-saving.

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  • Health & Medical Sciences (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Medical Preparation Storing Or Oral Administration Devices (AREA)

Description

双针加药器
技术领域
本实用新型涉及一种医疗器械，尤其涉及一种双针加药器。
背景技术
为了将药物容器（通常为西林瓶）内的药物加入输液容器（输液软袋或输液软瓶）内的溶液中，然后将混合溶液输入诸如医院的临床机构中的病人。
现有技术中，常采用注射器将药物容器内的药物和输液容器（输液软袋或输液软瓶）内的溶液进行混合。首先，使用注射器将输液容器（输液软袋或输液软瓶）内的溶液输入药物容器内，然后，也使用该注射器将混合后的溶液移至输液容器（输液软袋或输液软瓶）中。目前，在医院的临床机构中通常也使用此种方式，但是这种混药方式操作复杂、费时，不仅容易出现配药失误，还极有可能在混药过程中引入污染，影响用药安全，造成严重的医疗事故。所以改进混药方式是输液前准备的一项必要任务。
实用新型内容
针对现有技术中存在的上述不足，本实用新型提供了一种只需穿刺一次便可实现混药，且混药操作更简单，更省时的双针加药器 。
为了解决上述技术问题，本实用新型采用了如下技术方案：
双针加药器，双针由针座、上针和下针组成，上针和下针设置在针座的两侧，上针和下针均为中空结构且相互连通，沿针座的边缘向上针方向延伸形成一杯体结构的混药体 。
作为本实用新型的一种优选方案，所述上针和下针均沿杯体结构的混药体的轴线设置。
作为本实用新型的另一种优选方案，所述混药体的上端口设有密封隔膜。
作为本实用新型的又一种优选方案，在混药体的内壁上对称设置有至少两个呈倒钩状、且用于防止药物容器松动的防滑扣。
作为本实用新型的一种改进方案，所述双针和混药体封装在外包装内。
作为本实用新型的另一种改进方案，所述混药体的底部设有套在上针外的环形胶垫。
作为本实用新型的又一种改进方案，该双针加药器还包括密封套和保护套，所述密封套套在下针的针尖上，所述保护套套在密封套外并固定在混药体或下针上。
作为本实用新型的进一步改进方案，所述保护套固定在混药体的底部。
作为本实用新型的进一步改进方案，所述混药体的底部具有卡套，所述保护套通过卡接的方式套在卡套上并与卡套密封配合。
作为本实用新型的进一步改进方案，所述下针的外壁沿圆周方向设有环形凸台，所述保护套套在环形凸台上并与环形凸台密封配合。
作为本实用新型的进一步改进方案，所述密封套采用弹性、韧性或软质的材料制成。
本实用新型的有益效果是：使用该双针加药器时，只需将上针刺穿药物容器的密封塞，下针同时刺穿输液容器（输液软瓶或输液软袋）上的密封盖内的密封塞，挤压输液容器（输液软袋或输液软瓶）便可使药物容器内的药物与输液容器（输液软袋或输液软瓶）内的溶液混合，混药操作更简单，更省时。
附图说明
图1为双针加药器实施例一的剖视图；
图2为双针加药器实施例二的剖视图；
图3为双针加药器进行混药时的结构示意图 。
附图中： 1 -针座； 2 -上针； 3 -下针； 4 -混药体； 5 -密封隔膜； 6 -防滑扣； 7 -药物容器； 8 -输液容器； 9 -密封盖； 10 -密封塞； 11 -环形胶垫； 12 -密封套； 13 -保护套； 14 -卡套； 15 -环形凸台。
具体实施方式
下面结合附图和具体实施方式对本实用新型作进一步详细地描述。
如图1所示，双针加药器，该双针由针座1、上针2和下针3组成。上针2和下针3设置在针座1的两侧，上针2和下针3均为中空结构且相互连通，沿针座1的边缘向上针2方向延伸形成一杯体结构的混药体4 。 上针2和下针3均沿杯体结构的混药体4的轴线设置，在药物容器7卡入混药体4内时，上针2从药物容器7的密封盖的中部插入药物容器7，避免上针2刺偏。
混药体4的上端口设有密封隔膜5，双针和混药体4封装在外包装内。使用前，密封隔膜5配合外包装（如密封袋）使用，可以使混药体4和双针处于密封状态，不仅维持了混药体4和混药体4内的上针2在使用前具有良好的清洁度，还有效的保护了上针2的锋锐度和混药体4的内部结构，避免运输过程中的损坏；使用时，拆开外包装，拆除密封隔膜5即可。
在混药体4的内壁上对称设置有至少两个呈倒钩状、且用于防止西林瓶松动的防滑扣6。本实施例中，在混药体4的内壁上对称设置有六个防滑扣6。在药物容器7卡入混药体4内后，药物容器7在防滑扣6的阻碍作用下，可有效避免药物容器7在混药体4内向反方向退出或松动。
混药体4的底部设有套在上针2外的环形胶垫11，因该环形胶垫11具有良好的弹性，在药物容器7卡入混药体4内时，该环形胶垫11和混药体4上的防滑扣6可有效的防止药物容器7松动，环形胶垫11完全密封药物容器7与混药体4底部之间的插接位点，避免混药时发生药液渗漏，也可严格保证混药后的药物容器4内的绝对气密性，杜绝染菌危险。
该双针加药器还包括密封套12和保护套13，密封套12套在下针3的针尖上，保护套13套在密封套12外并固定在混药体4或下针3上。在图1中，保护套13固定在混药体4的底部，在混药体4的底部具有卡套14，保护套13通过卡接的方式套在卡套14上并与卡套14密封配合，保护密封套12时只需将保护套13套在卡套14上即可；混药时只需将保护套13从卡套14上拔下。密封套12采用弹性、韧性或软质的材料制成，密封套12具有弹性或韧性，可以在混药全过程都与下针3外壁紧密接触，不至于自行滑动松脱。当然也可将保护套13固定在下针3上（如图2所示），下针3的外壁沿圆周方向设有环形凸台15，保护套13套在环形凸台15上并与环形凸台15密封配合。
因在下针3的针尖上套有密封套12，密封套12使下针3的针尖处于密封状态，通过该密封套12和混药体4的上端口设置的密封隔膜5可使双针内的通道和混药体4处于密封状态，有效避免双针内的通道和混药体4内受到污染。保护套13套在密封套12外并固定在混药体4上，该保护套13起着保护密封套12和下针洁净的作用，可避免密封套12在外力的作用下从针尖上脱落。
使用该双针加药器时，如图3所示，拆除密封隔膜5和保护套13后直接将将上针2的针尖对准药物容器7的密封塞上，下针3的针尖同时对准在输液容器8（实施例中采用输液软袋）上的密封盖9内的密封塞10，迅速施加压力，使针尖向密封塞推进，随着下针3的针尖向下穿刺，密封套12被刺破并沿着下针3向上移动，并不影响下针的继续穿刺，有利于药物容器7和输液容器8无菌连接。也可将该双针加药器竖直放置，使下针3向下先刺穿输液容器8上的密封盖9内的密封塞10，再将上针2刺穿药物容器7的密封塞；还可将该双针加药器倒置，先将上针2向下刺穿药物容器7的密封盖，再将下针3向上刺穿输液容器8上的密封盖9内的密封塞10，上述三种方式均可通过该双针加药器连接药物容器7和输液容器8。最后挤压输液容器便可使药物容器内的药物与输液容器内的溶液混合，混药操作更简单，更省时。
最后说明的是，以上实施例仅用以说明本实用新型的技术方案而非限制，尽管参照较佳实施例对本实用新型进行了详细说明，本领域的普通技术人员应当理解，可以对本实用新型的技术方案进行修改或者等同替换，而不脱离本实用新型技术方案的宗旨和范围，其均应涵盖在本实用新型的权利要求范围当中。

Claims (11)

  1. 双针加药器，双针由针座（1）、上针（2）和下针（3）组成，上针（2）和下针（3）设置在针座（1）的两侧，上针（2）和下针（3）均为中空结构且相互连通，其特征在于：沿针座（1）的边缘向上针（2）方向延伸形成一杯体结构的混药体（4） 。
  2. 根据权利要求1所述的双针加药器，其特征在于：所述上针（2）和下针（3）均沿杯体结构的混药体（4）的轴线设置。
  3. 根据权利要求1所述的双针加药器，其特征在于：所述混药体（4）的上端口设有密封隔膜（5）。
  4. 根据权利要求1所述的双针加药器，其特征在于：在混药体（4）的内壁上对称设置有至少两个呈倒钩状、且用于防止药物容器松动的防滑扣（6）。
  5. 根据权利要求1所述的双针加药器，其特征在于：所述双针和混药体（4）封装在外包装内。
  6. 根据权利要求1至5中任一项权利要求所述的双针加药器，其特征在于：所述混药体（4）的底部设有套在上针（2）外的环形胶垫（11）。
  7. 根据权利要求1至5中任一项权利要求所述的双针加药器，其特征在于：还包括密封套（12）和保护套（13），所述密封套（12）套在下针（3）的针尖上，所述保护套（13）套在密封套（12）外并固定在混药体（4）或下针（3）上。
  8. 根据权利要求7所述的双针加药器，其特征在于：所述保护套（13）固定在混药体（4）的底部。
  9. 根据权利要求8所述的双针加药器，其特征在于：所述混药体（4）的底部具有卡套（14），所述保护套（13）通过卡接的方式套在卡套（14）上并与卡套（14）密封配合。
  10. 根据权利要求7所述的双针加药器，其特征在于：所述下针（3）的外壁沿圆周方向设有环形凸台（15），所述保护套（13）套在环形凸台（15）上并与环形凸台（15）密封配合。
  11. 根据权利要求7所述的双针加药器，其特征在于：所述密封套（12）采用弹性、韧性或软质的材料制成。
PCT/CN2012/079549 2012-02-13 2012-08-02 双针加药器 Ceased WO2013120342A1 (zh)

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