CN107174698A - Medical injector - Google Patents

Medical injector Download PDF

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Publication number
CN107174698A
CN107174698A CN201710303467.7A CN201710303467A CN107174698A CN 107174698 A CN107174698 A CN 107174698A CN 201710303467 A CN201710303467 A CN 201710303467A CN 107174698 A CN107174698 A CN 107174698A
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CN
China
Prior art keywords
security
provided
sleeve
medical injector
cartridge
Prior art date
Application number
CN201710303467.7A
Other languages
Chinese (zh)
Inventor
张洪杰
王兴国
Original Assignee
贝普医疗科技有限公司
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.)
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Publication date
Application filed by 贝普医疗科技有限公司 filed Critical 贝普医疗科技有限公司
Priority to CN201710303467.7A priority Critical patent/CN107174698A/en
Publication of CN107174698A publication Critical patent/CN107174698A/en

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Classifications

    • 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
    • A61M5/178Syringes
    • 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
    • A61M5/178Syringes
    • A61M5/31Details
    • A61M5/32Needles; 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
    • A61M5/3205Apparatus for removing or disposing of used needles or syringes, e.g. containers; Means for protection against accidental injuries from used needles
    • A61M5/321Means for protection against accidental injuries by used needles
    • 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
    • A61M5/178Syringes
    • A61M5/31Details
    • A61M5/32Needles; 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
    • A61M5/3205Apparatus for removing or disposing of used needles or syringes, e.g. containers; Means for protection against accidental injuries from used needles
    • A61M5/321Means for protection against accidental injuries by used needles
    • A61M5/3213Caps placed axially onto the needle, e.g. equipped with finger protection guards
    • 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
    • A61M5/50Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests having means for preventing re-use, or for indicating if defective, used, tampered with or unsterile
    • 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
    • A61M2205/00General characteristics of the apparatus
    • A61M2205/19Constructional features of carpules, syringes or blisters
    • 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
    • A61M2205/00General characteristics of the apparatus
    • A61M2205/27General characteristics of the apparatus preventing use
    • A61M2205/273General characteristics of the apparatus preventing use preventing reuse, e.g. of disposables

Abstract

The invention provides a medical injector. The medical injector comprises a needle stand, a clamping seat, a safety protective jacket and a needle tube, wherein a containing cavity is arranged in the clamping seat, the needle stand and the safety protective jacket are respectively arranged at the upper part and the lower part of the containing cavity of the clamping seat, and the needle tube is arranged in the needle stand and extends downward into the safety protective jacket; the safety protective jacket can move up and down in the containing cavity of the clamping seat to cooperate with the injection operation of the needle tube; and a main guide rail extending up and down is also arranged in the clamping seat, the main guide rail is also connected with branch rails, and a fixing pin is arranged on the safety protective jacket.

Description

一种医用注射器 A medical syringe

技术领域 FIELD

[0001] 本发明涉及一种注射器,尤其是一种医用注射器,可以用于胰岛素的注射,但不限于。 [0001] The present invention relates to an injector, in particular a medical injector, the injection of insulin may be used, but not limited to.

背景技术 Background technique

[0002] 已知,常见的医用注射器,一般都是由管部和针管构成,所述针管设置在所述管部的前部,用于刺入注射部位,所述管部用于存储待注射液体药物。 [0002] known, the common medical syringe, generally tubular portion and a needle tube configuration, the needle tube is provided at a front portion of the tubular portion, for penetrating the injection site, the tube portion to be injected for storing liquid drugs. 注射完成后,所述针管会从所述管部的前部摘下,经过消毒后,再被重复利用。 After the injection, the needle will be picked from a front portion of the tube portion, after sterilization, and then be reused.

[0003] 而有些医用注射器,其针管是直接设置在管部上,使用完成后,即会被销毁,以避免后续被重复使用,出现医疗隐患。 [0003] and some medical syringe needle is disposed directly on the tube portion, after the completion of use, i.e., will be destroyed, be reused to avoid subsequent, medical risks occur. 例如,目前常用的常规胰岛素注射器和笔式胰岛素注射器。 For example, commonly used conventional insulin syringes and pen insulin syringe.

[0004] 但是,对于这种业界目前常用的胰岛素注射器,其在使用后,由于自身结构设计的原因,使得其针管的端部针尖始终暴露在外部,明显存在安全隐患,安全性问题暴露无疑。 [0004] However, for this industry currently used insulin syringe after use, because of their structural design, such that the needle end of the tube tip is always exposed to the outside, obviously there are security risks, safety issues exposed.

[0005] 进一步的,这种胰岛素注射器,其自身结构上的设计缺陷,还不止表现在使用完成后,其针管针尖外露上,其还存在更大的安全隐患。 [0005] Further, such an insulin syringe design flaws in the structure itself, deeper than when finished, its needle tip exposed, further there is a greater security risk. 即其在完成使用后,在不破坏其自身结构的前提下,还能被回收后重复使用,从而埋下了更为严重的安全隐患。 That is, after the completion of its use, without destroying its own structure, it can be recycled after repeated use, which buried more serious security risks.

[0006] 因此,确有必要来开发一种新型的医用注射器,来克服现有技术中的缺陷。 [0006] Hence, it is necessary to develop a new medical injector to overcome the drawbacks of the prior art.

发明内容 SUMMARY

[0007] 本发明的目的在于提供一种医用注射器,其注射完成后可以对其针管端部进行有效的遮蔽,避免了注射完成后针管端部外露所产生的安全性问题。 [0007] The object of the present invention is to provide a medical injector, can effectively shield the needle tube end portion thereof after which the injection is completed, to avoid security problems after completion of the injection needle exposed ends generated.

[0008] 为了实现上述目的,本发明采用的技术方案如下: 一种医用注射器,其包括针座、卡座、安全保护套和针管。 [0008] To achieve the above object, the present invention employs the following technical solution: A medical syringe including a needle holder, cartridge, and a needle safety guard. 其中所述卡座内设置有收容腔,所述针座和安全保护套分别设置在所述卡座收容腔的上部和下部,所述针管设置在所述针座内,并向下延伸伸入所述安全保护套。 Wherein there is provided within the cartridge receiving cavity, said needle holder and the security sleeve are respectively provided at upper and lower portions of said cartridge receiving cavity, said needle disposed within the hub, and extending into the lower extension the security guard. 所述安全保护套可在所述卡座收容腔内上下移动以便配合所述针管的注射操作。 The security guard may be moved up and down so as to fit the cavity accommodating the injection operation of the needle tube in the cartridge. 其中所述卡座内还设置有一个上下延伸的主导轨,所述主导轨上还联通有支轨,所述安全保护套上设置有一个固定销。 Wherein said cartridge is further provided with a vertically extending primary rail further Unicom branched on the main guide rail, the security sleeve is provided with a fixing pin. 其中当所述安全保护套固定销设置在所述支轨内时,所述安全保护套相对于所述卡座位于初始位置;而所述安全保护套在所述卡座收容腔内的向上移动,能够使得所述固定销从所述支轨转入到所述主导轨内,此时所述安全保护套相对于所述卡座位于工作位置。 Wherein when the security guard fixing pin disposed within said support rail when the safety cartridge with respect to the protective sheath in an initial position; and said protective sleeve in the safety cartridge receiving chamber upward movement , so that the fixing pin can be transferred from the support rail into said primary rail, then the security of the card holder sleeve relative to the operating position.

[0009] 进一步的,在不同实施方式中,其中所述针座的下部设置有斜面状的拨转导向面, 所述安全保护套的上部也设置有对应的拨转导向面,当所述安全保护套在所述卡座收容腔内向上运动时,所述两个拨转导向面会接触并配合,使得所述固定销从所述支轨中转入到所述主导轨内。 [0009] Further, in various embodiments, wherein a lower portion of the hub is provided with a ramp-like guide surface of the dial, the upper portion of the security sleeve is also provided with a guide surface corresponding to the dial, when the safety when the protective sleeve receiving cavity upward movement, the two guide surfaces contact and dial fitted in the cartridge, such that the fixing pin into the branching from the track into the primary rail.

[0010] 进一步的,在不同实施方式中,其中所述安全保护套收容在所述卡座收容腔内的端部延伸出有弹性卡部,所述卡座收容腔的内壁相应的设置有凸起。 [0010] Further, in various embodiments, wherein the security guard housed card extending resilient portion at an end of the cartridge receiving chamber, is provided an inner wall of the respective cartridge receiving cavity has a convex play.

[0011] 进一步的,在小问买施方式中,其中所述弹性卡部包括两个,并相对设置在所还文全保护套的两侧,所述凸起也对应设置有两个。 [0011] Further, in the embodiment applied to buy small Q, wherein the elastic locking portion comprises two, and opposite sides of the further packets provided full protection sleeve, corresponding to the projections also provided with two.

[0012] 进一步的,在不同实施方式中,其中所述凸起上设置有导向斜面。 [0012] Further, in various embodiments, wherein the projection is provided with a guide ramp.

[0013] 进一步的,在不同实施方式中,其中所述弹性卡部包括弹性刺,所述对应配接的凸起包括倒刺。 [0013] Further, in various embodiments, wherein the elastic locking comprises a resilient barbed portion, corresponding to the mating projection comprises barbs.

[0014] 进一步的,在不同实施方式中,其中所述主导轨底部的设置位置使得所述固定销处于此位置时,所述安全保护套能完全遮蔽住所述针管的端部针尖。 [0014] Further, in various embodiments, wherein the primary rail is provided a position such that the bottom of the fixing pin when in this position, the safety cover to be completely shielded against said tip end portion of the needle tube.

[0015] 进一步的,在不同实施方式中,其中所述针座与所述安全保护套之间设置有弹性件。 [0015] Further, in various embodiments, wherein provided between the hub and the safety guard elastic member. 例如,弹簧,但不限于。 For example, a spring, but not limited to.

[0016] 进一步的,在不同实施方式中,其还包括针座保护套,套设在所述卡座外。 [0016] Further, in various embodiments, further comprising a protective cover needle hub, an outer sleeve disposed in said cartridge.

[0017] 相对于现有技术,本发明的有益效果是:本发明涉及的一种医用注射器,其采用全新设计的安全保护套结构以及与其配接的卡座结构,使得所述注射器在完成注射后,所述安全保护套能伸出所述卡座,并对针管的端部进行完全遮蔽,从而能够避免因使用完成后, 所述针管端部针尖外露可能导致的安全问题。 [0017] with respect to the prior art, the beneficial effects of the present invention: a medical injector according to the present invention, which employs the safety protection structure of the new design of the structure and its mating cartridge, such that the completion of the injection syringe after the security cover to be extended to the cartridge, and an end portion of the needle is completely covered, thereby avoiding safety problems after completion of the use, the tip end portion of the exposed needle tube may result.

[0018]进一步的,所述安全保护套和所述卡座之间的配接方式,也使得所述安全保护套伸出所述卡座后,不能在不破坏其结构的情况下,重新缩回到所述卡座内,从而使得所述医用注射器在使用后,只能被损毁,不能被简单的回收重复利用,从而有效的避免了因其被不正确的回收进行重复利用,而可能导致的医疗事故。 [0018] Further, with the connection mode between the security sleeve and the cartridge, such that the security sleeve also extending the rear deck, which is not without destroying the structure of rescaling back into the cartridge, such that the medical injector after use, can be damaged, it can not be recycled simply reused, so as to effectively avoid its repeated use is not correct recovery, which may lead to medical malpractice. ^ ^

附图说明 BRIEF DESCRIPTION

[0019] 图1是本发明涉及的一个实施方式提供的一种医用注射器的结构示意图; 图2是图1所示的一种医用注射器,其安全保护套和卡座间的配接结构示音图宜中所述安全保护套处于未使用的初始位置; ^卜、 图3是图1所示的一种医用注射器,其安全保护套和卡座间的配接结构示意图I中所述安全保护套处于正在使用状态下的工作位置; ~ 图4是图1所示的一种医用注射器,其安全保护套和卡座间的配接结构示音图| 述安全保护套处于完成使用后的工作位置; & ' 图5是图1所示的一种医用注射器,其安全保护套和卡座间的配接结构示音图苴述安全保护套处于完成使用后的最终位置; 图6是图1所示的一种医用注射器,其安全保护套和卡座间的配接结构示音图 [0019] FIG. 1 is a schematic structure of a medical injector according to an embodiment of the present invention is provided; FIG. 2 is a medical injector shown in Figure 1, the structure shown mating between the sound and the security guard cartridge FIG should secure said protective sheath in an initial position of non-use; ^ Bu, FIG. 3 is a medical injector illustrated in FIG. 1, a schematic structural diagram I mating between the cartridge sleeve and its security in the security in the operating position in the sleeve are in the state; FIG. 4 - is a medical injector shown in Figure 1, mating structure shown in FIG tone between the safety guard and cartridge | said safety guard is in operation after the completion of use position; amp &; 'FIG. 5 is a medical injector shown in Figure 1, mating structure shown in FIG ju tone between said safety guard and the safety guard cartridge in the final position after the completion of use; FIG. 6 is a diagram mating structure is illustrated in FIG tone between a medical injector shown in FIG. 1, the safety guard and cartridge

[0020] 图1〜6中的附图标记说明如下: 一。 [0020] REFERENCE NUMERALS FIG. 1~6 are as follows: a. 针座保护套1 针座2 卡座3 弹簧4 安全保护套5 针管6 针座拨转导向面22 收容腔30 主导轨31 支轨33 导向斜面352 凸起35 安全保护套拨转导向面54 固定销52 弹性卡部56。 A needle hub protector cartridge hub 3 2 4 spring safety needle tube 5 Case 6 dial needle seat receiving cavity 22 guide surface 30 of the primary rail 31 guide rail 33 projection 35 inclined surface 352 security dial sleeve 54 is fixed to the guide surface 52 elastic engagement pin portion 56.

具体实施方式 Detailed ways

[0021] 以下将结合附图和实施例,对本发明涉及的一种医用注射器的技术方案作进一步的详细描述。 [0021] The accompanying drawings and the following embodiments, the technical solutions of a medical injector according to the present invention will be further described in detail.

[0022] 请参阅图1所示,本发明的一个实施方式提供了一种医用注射器,其包括针座保护套1、针座2、卡座3、弹簧4、安全保护套5和针管6。 [0022] Please refer to FIG. 1, one embodiment of the present invention provides a medical injector comprising a needle hub protector, the needle seat 2, deck 3, a spring 4, the needle safety guard tube 5 and 6.

[0023] 其中所述卡座3内设置有收容腔30,所述针座2设置在所述卡座3收容腔30的上部, 所述安全保护套5设置在所述卡座3收容腔30的下部,并部分显露于所述卡座3外。 [0023] 3 wherein said cartridge receiving cavity 30 disposed therein, the needle seat 2 is provided in an upper portion of the cartridge 3 accommodating chamber 30, the security sleeve 3 5 is provided in the cartridge accommodating chamber 30 lower, and partially exposed to the outer cartridge 3. 所述弹簧4设置在所述针座2和安全保护套5之间。 The spring 4 is provided between the hub 2 and the security sleeve 5. 所述针管6设置在所述针座2内,并向下延伸穿过所述安全保护套5,其端部针尖显露于所述安全保护套5外。 The needle tube 6 disposed within the hub 2, extending downwardly through the security sleeve 5, the tip end portion thereof exposed to the outer protective sheath 5 security. 所述针座保护套1套设在所述卡座3的外部,并同时将所述针管2也完全遮蔽于其内。 The protective cover needle hub 1 is provided outside of the cartridge case 3, while the needle tube 2 is also completely covered therein.

[0024] 进一步的,请参阅图2所示,其中所述卡座3上设置有上下延伸的主导轨31,所述主导轨31上还延伸出有与其相通的支轨33。 [0024] Further, see Figure 2, wherein the cartridge 3 is provided with a main vertically extending guide rails 31, also extends the communication has its support rail 33 on the main rail 31. 所述安全保护套5上设置有固定销52,其收容在所述支轨33内,并通过所述支轨33的底面限位,进而来实现所述安全保护套5相对所述卡座3 的限位。 The sleeve 5 is provided with a security fixing pin 52, which is accommodated in the support rail 33, and by a bottom surface of said support rail stopper 33, and thus achieved the security sleeve 5 relative to the deck 3 It limits. 此时,所述医用注射器的安全保护套5处于未使用状态下的初始位置,其针管6端部的针尖是被所述针座保护套1所遮蔽,从而避免其外露。 In this case, the medical safety injector in the initial position the protective cover 5 in the unused state, the tip end portion 6 which the needle hub is a guard shield, thus avoiding their exposed.

[0025]进一步的,其中所述针座2的下部设置有斜面状的拨转导向面22,所述安全保护套5的上部也设置有相应的斜面状的拨转导向面54。 [0025] Further, the hub 2 wherein the lower portion is provided with a ramp-like guide surface of the dial 22, the upper portion of the safety protection sleeve 5 is also provided with respective ramp-like guide surfaces 54 of the dial. 所述安全保护套5的两端部还分别延伸出有弹性卡部56,所述卡座3收容腔的内壁相应的设置有凸起35。 Both end portions of the security sleeve 5 further extend the elastic engagement portion 56 has a cartridge receiving cavity corresponding to the inner wall 3 is provided with a projection 35.

[0026] 请参阅图3所示,使用时,去除所述针座保护套1,使得所述针管6的针尖刺入预定位置的皮肤内。 [0026] Please refer to FIG. 3, in use, removing the protective sheath the needle hub 1, such that the needle tip 6 of the needle tube puncturing the skin of a predetermined position. 当下压所述针管6针尖进行伸入注射时,所述安全保护套5会在皮肤的反向作用力下,向上移动,同时也会压缩所述弹簧4压缩。 When the lower pressure for the needle tube 6 extends into an injection needle, said security sleeve 5 will move upwardly under the opposing force of the skin, while also compressing the spring 4 compressed. 这时,所述安全保护套5的斜面拨转导向面54的向上移动,并与所述针座2下部的斜面拨转导向面22接触。 In this case, the cover 5 is security dial ramp guide surface 54 moves upward and contacts the guide surface 22 and the inclined surface of the lower portion 2 of the dial hub. 由于两者间的结构设置方式,会使得所述针座2的斜面拨转导向面22会引导所述安全保护套5的斜面拨转导向面54 在向上运动的过程中发生偏移,从而会使得所述安全保护套5的固定销51的位置从其原来所处的支轨33偏移到所述主导轨31内。 Since the arrangement between the two structures will be such that the bevel of the needle holder 2 dial guide surface 22 will guide the security guard of the inclined surface 5 dial guide surface 54 shifted in the course of the upward movement, which will the security guard is fixed such that the pin 515 is shifted from the position at which the original support rail 33 to the primary rail 31. 所述安全保护套5的继续上移,会使得所述固定销51 沿所述主导轨31继续上移。 The protective security sleeve 5 continues to move on, so that the fixing pin 51 will along the main guide rail 31 continue to move. 这时,所述医用注射器的安全保护套5处于使用状态下的工作位置。 In this case, the medical safety injector protective sheath 5 in the working position in the use state.

[0027]注射完成后,所述针管6从皮肤内拔出,这时所述安全保护套5受到的外力去除,其在所述弹簧4的压缩回复力的作用下运动,这时所述安全保护套5的固定销52沿所述主导轨31向下移动。 [0027] After the injection, the needle 6 is pulled out from the skin, then the security sleeve 5 is removed by an external force, which is moving under the action of the restoring force of the compression spring 4, then the security fixing pin 52 in the protective sheath 5 of the primary rail 31 is moved downward. 即使在经过所述支轨33与所述主导轨31的相接位置时,所述固定销在向下力的作用下,是不会向斜向上偏移进入到所述支轨33内,其只会继续向下沿所述主导轨移动。 Even when rail 33 through the support position in contact with the main guide rail 31, the fixing pin in a downwards force is not obliquely shifted upward into the support rail 33 within which It will continue to move downwardly along the primary rail. [0028] 在向下的移动过程中,所述安全保护套5的弹性卡部56会遇到所述卡部3收容腔3〇内壁上设置的凸起35的阻挡,由于所述弹性卡部56存有一定的收缩弹性,同时只要保证所述弹簧4的弹性回复力足够大,所述弹性卡部56会受到与其接触的凸起35的反向力的作用而收缩。 [0028] In the downward movement, the security guard elastic locking portion 56 will encounter the barrier 5 is provided on the projection 35 of the inner wall 3 3〇 receiving cavity portion of the card, since the elastic locking portion 56 there is a certain elastic contraction, while as long as the elastic restoring force of the spring 4 is sufficiently large, the elastic locking portion 56 is subjected to a force reverse projection 35 in contact therewith shrink action. 具体如图4所示,所述弹性卡部56与所述凸起35的接触面为一个导向斜面352,所述弹性卡部56受到斜向上的作用力,如图中箭头所示,使其收缩进而向下通过所述凸起35的阻挡,并最后向下移动到所述主导轨31的底面限位停止。 DETAILED 4, the elastic locking portion 56 and the raised contact surface 35 as a guide ramp 352, the elastic locking portion 56 by the biasing force on the diagonal, as shown by the arrows, so Further down the barrier shrink projection 35 and finally move downward to a bottom surface of the primary rail stopper 31 is stopped by. 这时,所述医用注射器的安全保护套5处于使用完成后的最终位置,同时所述安全保护套5也完全遮蔽住所述针管6的端部,具体图示,请参阅图5所示。 In this case, the medical safety injector in the final position the protective cover 5 after use is completed, while the security cover is completely closed end portion 5, particularly illustrating the needle tube stay 6, see FIG. 5.

[0029] 进一步的,若想反向推动所述安全保护套5恢复到工作位置,请参阅图6所示,这时所述安全保护套5受力向上,其弹性卡部56因接触所述卡座3收容腔3〇内壁受到水平方向的力而收缩,受力方向如图中箭头所示,但也仅仅是水平方向上的力,继续向上则会受到所述凸起35的阻挡,两者之间会相互抵触,因所述弹性卡部56不会受到斜向的外力作用使其进一步的向内收缩,而只会受到竖直向上的力,因而使得其无法向上突破所述凸起3 5的阻挡。 [0029] Further, if you want to reverse the security push sleeve 5 return to the working position, see FIG. 6, when the safety protection sleeve 5 by an upward force, the elastic portion 56 due to the contact of the card 3〇 deck force by the inner wall of the receiving cavity 3 in the horizontal direction is contracted, the force in the direction indicated by an arrow in FIG., but it is only a force in the horizontal direction, the stopper projection 35 will continue to be upward, two It would be inconsistent with each other are, due to the elastic locking portion 56 is not subjected to external force which is further obliquely inwardly contracted, but only by a vertically upward force, so that it can not break up the protrusion 35 of the barrier. 即使增加外力,也只能是破坏掉其自身结构。 Even if the external force increases, it can only be destroyed by its own structure. 如此,可有效避免其被不正当的回收,并被二次使用。 Thus, it is effective to prevent improper recovered, and the secondary usage.

[0030] 进一步的,对于所述弹性卡部56和所述凸起35之间的单向配接方式,在不同实施方式中,其可以有多种变化结构,例如,弹性刺与倒刺的组合结构,但在本发明的创造精神下,均应视为是本发明揭示结构的等同变化。 [0030] Further, for the elastic locking portion 56 and the protrusion 35 between the mating unidirectional manner, in various embodiments, which may have various structural changes, e.g., with barbed elastic barbs combination structure, but in the spirit of the present invention to create, it shall be considered as equivalent variations of the present invention is disclosed structure.

[0031] 进一步的,对于所述弹簧4的设置,其并不一定是必要的,也可通过外力作用使得所述安全保护套5的弹性卡部56通过所述凸起35的阻挡,设置所述弹簧4,只是使得操作更为简便。 [0031] Further, the spring 4 is provided for, which is not necessarily required, by an external force may be such that the security guard elastic locking portion 565 by the blocking projection 35 is provided by said spring 4, except that the operation easier.

[0032] 本发明涉及的一种医用注射器,其采用全新设计的安全保护套结构以及与其配接的卡座结构,使得所述注射器在完成注射后,所述安全保护套能伸出所述卡座,并对针管的端部进行完全遮蔽,从而能够避免因使用完成后,所述针管端部针尖外露可能导致的安全问题。 [0032] The present invention relates to a medical syringe, which employs the safety protection structure of the new design of the cartridge and its mating structure, such that after the completion of the injection syringe, said safety cover to be extended to the deck , and the end portion of the needle is completely covered, thereby avoiding the use after the completion, the tip end portion of the exposed needle tube may lead to safety problems.

[0033] 进一步的,所述安全保护套和所述卡座之间的配接方式,也使得所述安全保护套伸出所述卡座后,不能在不破坏其结构的情况下,重新缩回到所述卡座内,从而使得所述医用注射器在使用后,只能被损毁,不能被简单的回收重复利用,从而有效的避免了因其被不正确的回收进行重复利用,而可能导致的医疗事故。 [0033] Further, with the connection mode between the security sleeve and the cartridge, such that the security sleeve also extending the rear deck, which is not without destroying the structure of rescaling back into the cartridge, such that the medical injector after use, can be damaged, it can not be recycled simply reused, so as to effectively avoid its repeated use is not correct recovery, which may lead to medical malpractice.

[0034] 本发明的技术范围不仅仅局限于上述说明中的内容,本领域技术人员可以在不脱离本发明技术思想的前提下,对上述实施例进行多种变形和修改,而这些变形和修改均应当属于本发明的范围内。 [0034] The technical scope of the present invention is not limited to the contents of the above description, one skilled in the art can, the embodiments described above numerous variations and modifications without departing from the technical idea of ​​the present invention is provided, and these variations and modifications It shall fall within the scope of this invention.

Claims (10)

1. 一种医用注射器,其包括针座、卡座、安全保护套和针管;其特征在于,其中所述卡座内设置有收容腔,所述针座和安全保护套分别设置在所述卡座收容腔的上部和下部,所述针管设置在所述针座内,并向下延伸伸入所述安全保护套;所述安全保护套可在所述卡座收容腔内上下移动以便配合所述针管的注射操作;其中所述卡座内还设置有一个上下延伸的主导轨,所述主导轨上还联通有支轨,所述安全保护套上设置有一个固定销; 其中当所述安全保护套固定销设置在所述支轨内时,所述安全保护套相对于所述卡座位于初始位置;而所述安全保护套在所述卡座收容腔内的向上移动,能够使得所述固定销从所述支轨转入到所述主导轨内,此时所述安全保护套相对于所述卡座位于工作位置。 CLAIMS 1. A medical injector comprising a needle holder, cartridge, needle cannula and safety protection sleeve; characterized in that there is provided wherein said cartridge receiving cavity, the hub and the security sleeve are disposed in said card seat receiving cavity of the upper and lower portions, said needle cannula is disposed within said hub and extending into said sleeve at security; security said sleeve is fitted to the cavity in the cartridge housing moved up and down operation of said injection needle; wherein the inner cartridge is further provided with a vertically extending primary rail, said main guide rail further branched Unicom, the security sleeve is provided with a fixing pin; wherein when said security is within said support rail, said safety protective sheath cartridge relative to the protective sheath in an initial position fixing pin is provided; and the security sleeve is moved upward in the cartridge receiving chamber, enables the fixing pin into the branch from the main rail to the guide rail, then the security of the card holder sleeve relative to the operating position.
2. 根据权利要求1所述的一种医用注射器;其特征在于,其中所述针座的下部设置有斜面状的拨转导向面,所述安全保护套的上部也设置有对应的拨转导向面,当所述安全保护套在所述卡座收容腔内向上运动时,所述两个拨转导向面会接触并配合,使得所述固定销从所述支轨中转入到所述主导轨内。 2. A medical injector according to claim 1; wherein, wherein the lower portion of the hub is provided with a ramp-like guide surface of the dial, the security sleeve is also provided with a corresponding upper guide dial surface, when the security guard cartridge receiving cavity in the upward movement, the dial two mating contact and guide surfaces, so that the fixing pin into said primary rail from the rail to the branched Inside.
3. 根据权利要求1所述的一种医用注射器;其特征在于,其中所述安全保护套收容在所述卡座收容腔内的端部延伸出有弹性卡部,所述卡座收容腔的内壁相应的设置有凸起。 3. A medical injector as claimed in claim 1; wherein, wherein said safety guard housed in the cartridge receiving end cavity portion extending flexible card, a cartridge receiving chamber It is provided with a corresponding inner wall of the projection.
4. 根据权利要求3所述的一种医用注射器;其特征在于,其中所述弹性卡部包括两个, 并相对设置在所述安全保护套的两侧,所述凸起也对应设置有两个。 Also corresponds to two wherein there is provided, wherein the elastic locking portion comprises two opposite and disposed at both sides of the security sleeve, said projection; A medical injector as claimed in claim 3 a.
5. 根据权利要求3所述的一种医用注射器;其特征在于,其中所述凸起上设置有导向斜面。 A medical injector according to claim 3; wherein, wherein said projection is provided with a guide ramp.
6. 根据权利要求3所述的一种医用注射器;其特征在于,其中所述弹性卡部包括弹性刺,所述对应配接的凸起包括倒刺。 A medical injector according to claim 3; wherein, wherein the elastic locking comprises a resilient barbed portion, corresponding to the mating projection comprises barbs.
7. 根据权利要求1所述的一种医用注射器;其特征在于,其中所述主导轨底部的设置位置使得所述固定销处于此位置时,所述安全保护套能完全遮蔽住所述针管的端部针尖。 7. A medical injector according to claim 1; wherein when the installation position wherein said primary rail base such that the fixing pin is in this position, the safety cover to be completely closed end of the needle tube live Department tip.
8. 根据权利要求1所述的一种医用注射器;其特征在于,其中所述针座与所述安全保护套之间设置有弹性件。 8. A medical injector as claimed in claim 1; characterized in that, disposed between said hub and wherein said security guard elastic member.
9. 根据权利要求8所述的一种医用注射器;其特征在于,其中所述弹性件包括弹簧。 A medical injector as claimed in claim 8; wherein, wherein said resilient member comprises a spring.
10. 根据权利要求1所述的一种医用注射器;其特征在于,其还包括针座保护套,套设在所述卡座外 Characterized in that the outer, further comprising a protective cover needle hub, provided on said cartridge sleeve; 10. A medical injector according to claim 1
CN201710303467.7A 2017-05-03 2017-05-03 Medical injector CN107174698A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018202009A1 (en) * 2017-05-03 2018-11-08 贝普医疗科技有限公司 Medical syringe
WO2018202025A1 (en) * 2017-05-03 2018-11-08 贝普医疗科技有限公司 No title

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6884237B2 (en) * 2002-12-10 2005-04-26 Inviro Medical Devices, Inc. Position guide for a needle guard
CN205041411U (en) * 2015-10-10 2016-02-24 广州新克力生物科技有限公司 Disposable blood taking needle
CN107174698A (en) * 2017-05-03 2017-09-19 贝普医疗科技有限公司 Medical injector

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018202009A1 (en) * 2017-05-03 2018-11-08 贝普医疗科技有限公司 Medical syringe
WO2018202025A1 (en) * 2017-05-03 2018-11-08 贝普医疗科技有限公司 No title

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