JP2003220142A - Syringe - Google Patents

Syringe

Info

Publication number
JP2003220142A
JP2003220142A JP2002021910A JP2002021910A JP2003220142A JP 2003220142 A JP2003220142 A JP 2003220142A JP 2002021910 A JP2002021910 A JP 2002021910A JP 2002021910 A JP2002021910 A JP 2002021910A JP 2003220142 A JP2003220142 A JP 2003220142A
Authority
JP
Japan
Prior art keywords
needle
syringe
cover
slide cover
outer cylinder
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.)
Pending
Application number
JP2002021910A
Other languages
Japanese (ja)
Inventor
Hiroshi Mizushima
Kazuaki Nose
水嶋  博
和明 野瀬
Original Assignee
Yoshino Kogyosho Co Ltd
株式会社吉野工業所
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
Application filed by Yoshino Kogyosho Co Ltd, 株式会社吉野工業所 filed Critical Yoshino Kogyosho Co Ltd
Priority to JP2002021910A priority Critical patent/JP2003220142A/en
Publication of JP2003220142A publication Critical patent/JP2003220142A/en
Application status is Pending legal-status Critical

Links

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
    • 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
    • A61M5/3202Devices for protection of the needle before use, e.g. caps
    • 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
    • A61M5/3243Means for protection against accidental injuries by used needles being axially-extensible, e.g. protective sleeves coaxially slidable on the syringe barrel
    • 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
    • A61M5/322Retractable needles, i.e. disconnected from and withdrawn into the syringe barrel by the piston
    • A61M5/3221Constructional features thereof, e.g. to improve manipulation or functioning
    • A61M2005/3223Means impeding or disabling repositioning of used needles at the syringe nozzle

Abstract

PROBLEM TO BE SOLVED: To completely and surely cover the needle of a used syringe with a cover.
SOLUTION: This syringe is equipped with an external cylinder 1 on the distal end of which, a needle 2 is fitted, and a plunger 3 which forms a filling space for a medicine in the external cylinder 1, and discharges the medicine from the distal end by sliding. In such a syringe, the sliding type cover 4 which is superposed on the surface of the external cylinder 1, and exposes the needle 2 by a movement toward the rear end of the external cylinder, and covers at least the distal end region of the needle 2 by a movement toward the tip of the external cylinder is provided on the external cylinder.
COPYRIGHT: (C)2003,JPO

Description

【発明の詳細な説明】 【0001】 【発明の属する技術分野】本発明は、注射器に関するものであり、該注射器をより一層安全に取り扱おうとするものである。 BACKGROUND OF THE INVENTION [0001] [Technical Field of the Invention The present invention relates to syringes, which purport to address the syringe more secure. 【0002】 【従来の技術】医療分野で使用される注射器は、その取り扱いに際しての安全性を確保する観点から、使用前、 [0002] Syringes for use in BACKGROUND ART medical field, in order to ensure the safety of during handling, prior to use,
使用後の注射器には注射針を覆い隠す保護カバーが取り付けられる。 The syringe after use attached protective cover that covers the injection needle. 【0003】ところで、従来の保護カバーは、注射器からの着脱が可能なキャップ形式であって廃棄時の装着に際して誤って針先で手や指に傷をつけてしまうおそれがあること、また、保護カバーを装着する作業自体煩わしいものとなっており作業者の負担(とくに精神的な負担)が大きくその改善が求められている。 Meanwhile, conventional protective cover, it is a fear that damage the hands and fingers a possible cap form detachable from the syringe accidentally upon disposal when mounted in needle tip, also protecting work itself cumbersome and made to have a worker of the burden of mounting the cover (especially mental burden) is greater the improvement has been demanded. 【0004】 【発明が解決しようとする課題】本発明の課題は、注射器の使用前はもとより使用後の注射器に対して安全かつ確実に針を覆い隠すことができる新規な注射器を提案するところにある。 [0004] SUMMARY OF THE INVENTION It is an object of the present invention, where to propose a novel syringe which can be covered safely and reliably needle with respect the syringe after use well before use syringes is there. 【0005】 【課題を解決するための手段】本発明は、先端に針を装着した外筒と、この外筒内で薬液の充填空間を形成しその摺動にて該薬液を針の先端から排出するプランジャーを備えた注射器であって、前記外筒に、その表面に被さり該外筒の後端に向かう移動にて針を露出させその先端に向かう移動にて針の少なくとも先端領域を覆い隠すスライドカバーを備えることを特徴とする注射器である。 [0005] According to an aspect of the present invention includes an outer cylinder fitted with needle tip, the chemical solution from the tip of the needle at the inside by the outer tube to form a charging space of the drug solution that sliding a syringe with a plunger for discharging, to the outer cylinder covers at least the tip region of the needle by the movement towards its tip to expose the needle by moving towards the rear end of the outer cylinder overlays on the surface a syringe characterized in that it comprises a sliding cover to hide. 【0006】上記の注射器においてスライドカバーと外筒との相互間には、該外筒に対するスライドカバーの位置決めを行なう係合手段を設けるのが好ましい。 [0006] therebetween the slide cover and the outer cylinder in the syringe is preferably provided with engaging means for positioning the slide cover against the outer cylinder. 【0007】また、スライドカバーには、針をその全域にわたって覆い隠す針カバーを設けることができる。 Further, the slide cover needle can be provided with a needle cover which covers over the entire region. 【0008】 【発明の実施の形態】以下、図面を用いて本発明をより具体的に説明する。 DETAILED DESCRIPTION OF THE INVENTION Hereinafter, the present invention will be described more specifically with reference to the drawings. 【0009】図1は本発明の第1の実施の形態(注射器の使用時)を示したものであり、図における1は外筒、 [0009] FIG. 1 shows a first embodiment of the present invention (when using syringes), 1 in the figure the outer tube,
2は外筒1の先端に固定保持した例で示した皮下用の針である。 2 is a needle for subcutaneous shown in the example was fixed and held to the distal end of the outer tube 1. 【0010】また、3は外筒1内で摺動可能なプランジャーであり、このプランジャー3は外筒1内で薬液の充填空間を形成しその押圧による摺動にて該薬液を針2の先端から排出することができるようになっている。 [0010] 3 is a slidable plunger in the outer tube within 1, the plunger 3 needle forms a filling space of the drug solution in the outer cylinder within 1 drug solution in sliding by the pressing 2 so that the can be discharged from the tip. 【0011】また、4は外筒1において摺動可能に被さるスライドカバーである。 Further, 4 is a sliding cover which covers the slidable in the outer tube 1. このスライドカバー4は図1 The slide cover 4 1
に示すように外筒1の最も後端寄りにて針2を露出させるが(注射器の使用前、使用時)、図2に示すごとく、 While exposing the needle 2 at the most rear end of the outer cylinder 1 as shown in (before use of the syringe, in use), as shown in FIG. 2,
該スライドカバー4を外筒1の先端に向かって移動させることによって針2の少なくとも先端領域を覆い隠すようになっている(使用後)。 So that the covers at least the tip region of the needle 2 by moving the slide cover 4 toward the distal end of the outer cylinder 1 (after use). 【0012】また、5はスライドカバー4の外筒1に対する位置決めを行なう係合手段であり、この係合手段5 [0012] 5 is a engagement means for positioning relative to the outer cylinder 1 of the slide cover 4, the engaging means 5
はスライドカバー4と一体になりその先端に爪を有する弾性舌片5aと外筒1の首部の周りに設けられた環状凹部5bからなっている。 Consists annular recess 5b provided around the neck portion of the elastic tongue 5a and the outer cylinder 1 having a claw at the tip becomes integral with the slide cover 4. スライドカバー4を外筒1の先端に向けて移動させて該スライドカバー4にて針2を覆い隠すと同時に弾性舌片5aの爪が環状凹部5bに係合することとなり該カバー4が簡単にずれることはない。 The slide cover 4 is moved toward the distal end of the outer cylinder 1 with the slide cover 4 at the needle 2 cloaking simultaneously elastic tongue 5a of the pawl is simple to the cover 4 will be engaged in an annular recess 5b It will not be displaced. 【0013】また、図1において6は注射器の使用前において針2をその全域にわたって覆い隠す針カバーである。 Further, in FIG. 1 6 is a needle cover which covers the needle 2 over its entire area before use of the syringe. この針カバー6は図3に示すように、針2のロック用チップtに装着してその基部6aをスライドカバー4 The needle cover 6 as shown in FIG. 3, the slide cover 4 to its base 6a by mounting the locking tip t of the needle 2
の環状リング4aに嵌合させて固定保持することができるものであって、注射器の使用に際して該針カバー6を環状リング4aから引き抜くことによって取り外しが可能となっており、取り外したのちは再度セットすることができないようになっている。 Be one that can be a fitted to the annular ring 4a is fixed and held by, the needle cover 6 In use of the syringe has a removable by withdrawing from the annular ring 4a, after the removed set again so as not be able to. 【0014】上掲図1に示した注射器は、その使用後にスライドカバー4を外筒1の先端に移動させるだけで針2を確実に覆うことができるのでキャップタイプのカバーを装着する形式の注射器において懸念されるような危険は全くない。 [0014] upper 掲図 syringe shown in 1, the form of the syringe mounting a cap type cover because the slide cover 4 after its use can only reliably cover the needle 2 is moved to the distal end of the outer tube 1 danger there is no such as a concern in. 【0015】また、針カバー6は取り外したのちにおいて再セットすることができないようにしておくことにより、注射器の再使用を未然に防止することが可能になる。 Further, by previously so that it can not be re-set in after the needle cover 6 removed, it is possible to prevent reuse of the syringe to advance. 【0016】針カバー6は、図4(a)(b)に示すように予めスライドカバー4と一体的に成形しておき、注射器の使用に際して針カバー6を引きちぎって取り外すバージンタイプとすることもできる。 The needle cover 6, Fig. 4 (a) (b) to advance integrally molded beforehand slide cover 4 and as shown, be a virgin type removing tears off the needle cover 6 In use of the syringe it can. 【0017】本発明に従う注射器は、針2を除いて基本的には合成樹脂にて構成できるが、針カバー6は上掲図3に示したような構造を適用する場合は金属製(ステンレス鋼等)のものであってもかまわない。 [0017] The syringe according to the invention is basically except for the needle 2 can be configured by synthetic resin, when the needle cover 6 is to apply a structure as shown above 掲図 3 metal (stainless steel it may be one of the etc.). 【0018】図5(a)(b)は本発明に従う注射器の第2の実施の形態を示したものである。 FIG. 5 (a) (b) illustrates a second embodiment of the syringe according to the present invention. 【0019】図5に示した注射器は、その断面を図6に示すように、外筒1の胴部の2箇所に間隔をおいて環状凹部5c、5dを設けるとともにスライドカバー4の内壁面に該環状凹部5c、5dに適合する凸部4bを設けたものであり、注射器の使用時にスライドカバー4の凸部4bを外筒1の環状凹部5cに適合させ、使用後に環状凹部5dに適合させて外筒1に対する位置決めを行なう。 [0019] The syringe shown in Figure 5, the cross-section as shown in FIG. 6, the annular recess 5c spaced two places of the body portion of the outer tube 1, the inner wall surface of the slide cover 4 is provided with the 5d annular recesses 5c, are those provided with a compatible protrusion 4b to 5d, when using the syringe projections 4b of the slide cover 4 is adapted to the annular recess 5c of the outer cylinder 1, adapted to the annular recess 5d after use performing positioning with respect to the outer cylinder 1 Te. 【0020】図7は外筒1の対向位置に凸部5eを一体的に設け、スライドカバー4の弾性舌片5aの爪を該凸部5eに係合させることによって該スライドカバー4を固定保持して針2を覆い隠す本発明の第3の実施に形態を示したものである。 [0020] Figure 7 is integrally provided with a protrusion 5e in opposite positions of the outer tube 1, fixed hold the slide cover 4 by engaging the claw of the elastic tongue piece 5a of the slide cover 4 to the convex portion 5e It shows a third embodiment in the practice of the present invention to cover the needle 2 by. 【0021】図8(a)(b)は上掲図7に示した注射器の使用前及び使用後(廃棄時)の状態を示すが、ここに例示した注射器は外筒1に設けた凸部5eがスライドカバー4の移動に際して該カバー4を誘導するガイドとして機能するとともに、該カバー4が外筒1の周りで回転するのを防止する利点がある。 [0021] shows a state of FIG. 8 (a) (b) prior to use of the syringe shown above 掲図 7 and after use (the time of disposal), the syringe illustrated here convex provided in the outer cylinder 1 part 5e with functions as a guide for guiding the cover 4 upon movement of the slide cover 4, there is an advantage to prevent the said cover 4 is rotated about the outer tube 1. 【0022】 【発明の効果】本発明によれば、スライドカバーを外筒の先端に向けて移動させるだけで針を覆い隠すことが可能なので注射器の使用後(廃棄時)に針先が手や指に触れて傷をつけてしまうおそれはない。 According to the present invention, the needle point after use of the syringe (when disposed) hand Ya Since it is possible to cover the needle only is moved toward the slide cover to the tip of the outer cylinder there is no fear of scratching by touching the finger. 【0023】また、本発明によれば、外筒にカバーが備えつけられているので、使用後にすぐさまカバーの装着作業に取りかかれるので装着作業の煩わしさを軽減できる。 Further, according to the present invention, since the equipped cover the outer cylinder, it can reduce the burden of the mounting operation so lean on taken up immediately cover the mounting operation after use.

【図面の簡単な説明】 【図1】 本発明の第1の実施の形態を示した図である。 BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a diagram showing a first embodiment of the present invention. 【図2】 図1に示した注射器の使用状態を示した図である。 2 is a diagram showing a usage state of the syringe shown in FIG. 【図3】 図1に示した注射器の組み込み状態を示した図である。 3 is a diagram showing the incorporation state of the syringe shown in FIG. 【図4】 (a)(b)は針カバーの別の例を示した図である。 [4] (a) (b) is a diagram showing another example of a needle cover. 【図5】 (a)(b)は本発明の第2の実施の形態を示した図である。 [5] (a) (b) is a diagram showing a second embodiment of the present invention. 【図6】 図5に示した注射器の断面を示した図である。 6 is a diagram showing the syringe cross section shown in FIG. 【図7】 本発明の第3の実施の形態を示した図である。 7 is a third diagram showing an embodiment of the present invention. 【図8】 (a)(b)は図7に示した注射器の使用前と使用後(廃棄時)の状態を示した図である。 8 (a) (b) is a diagram showing a state before and after use of the syringe shown in FIG. 7 (time of disposal). 【符号の説明】 1 外筒2 針3 プランジャー4 スライドカバー4a 環状リング4b 凸部5 係合手段5a 弾性舌片5b 環状凹部5c 環状凹部5d 環状凹部5e 凸部6 針カバーM 充填空間 [EXPLANATION OF SYMBOLS] 1 outer cylinder 2 needle 3 plunger 4 slide cover 4a annular ring 4b protrusion 5 engaging means 5a elastic tongue 5b annular recess 5c annular recess 5d annular recess 5e protrusion 6 needle cover M filling space

Claims (1)

  1. 【特許請求の範囲】 【請求項1】 先端に針を装着した外筒と、この外筒内で薬液の充填空間を形成しその摺動にて該薬液を針の先端から排出するプランジャーを備えた注射器であって、 前記外筒に、その表面に被さり該外筒の後端に向かう移動にて針を露出させその先端に向かう移動にて針の少なくとも先端領域を覆い隠すスライドカバーを備えることを特徴とする注射器。 And [Claims 1 outer cylinder fitted with needle tip, the plunger to discharge the outside cylinder to form a filling space of the chemical liquid chemical at its sliding from the tip of the needle a syringe with, the outer tube comprises a needle slide cover which covers at least a tip region at the mobile towards its distal end to expose the needle by moving towards the rear end of the outer cylinder overlays on the surface syringe, characterized in that. 【請求項2】 スライドカバーと外筒との相互間に、該外筒に対するスライドカバーの位置決めを行なう係合手段を備える請求項1記載の注射器。 Wherein therebetween the slide cover and the outer tube, syringe according to claim 1, further comprising an engagement means for positioning the slide cover against the outer cylinder. 【請求項3】 スライドカバーは、針をその全域にわたって覆い隠す針カバーを備える請求項1または2記載の注射器。 3. A slide cover is a syringe according to claim 1 or 2, including a needle cover which covers the needle over its entire area.
JP2002021910A 2002-01-30 2002-01-30 Syringe Pending JP2003220142A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2002021910A JP2003220142A (en) 2002-01-30 2002-01-30 Syringe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2002021910A JP2003220142A (en) 2002-01-30 2002-01-30 Syringe

Publications (1)

Publication Number Publication Date
JP2003220142A true JP2003220142A (en) 2003-08-05

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Family Applications (1)

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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012525185A (en) * 2009-05-01 2012-10-22 オウエン マンフォード リミティド Injection device
JP2016025934A (en) * 2008-05-20 2016-02-12 アヴァント・メディカル・コーポレーション Auto injector system
WO2016089864A1 (en) * 2014-12-03 2016-06-09 Eli Lilly And Company Needle shield puller cap assembly
US9616173B2 (en) 2008-07-23 2017-04-11 Avant Medical Corporation System and method for an injection using a syringe needle
US9925336B2 (en) 2008-05-20 2018-03-27 Avant Medical Corp. Cassette for a hidden injection needle
US9943646B2 (en) 2014-08-21 2018-04-17 Owen Mumford Ltd. Safety syringe
USD829890S1 (en) 2012-04-20 2018-10-02 Amgen Inc. Injection device
US10092703B2 (en) 2013-03-15 2018-10-09 Amgen Inc. Drug cassette, autoinjector, and autoinjector system
US10092706B2 (en) 2011-04-20 2018-10-09 Amgen Inc. Autoinjector apparatus
KR101961207B1 (en) * 2018-04-09 2019-07-17 (유)제이앤케이메디컬 Safety Syringe

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016025934A (en) * 2008-05-20 2016-02-12 アヴァント・メディカル・コーポレーション Auto injector system
US9925336B2 (en) 2008-05-20 2018-03-27 Avant Medical Corp. Cassette for a hidden injection needle
US9974904B2 (en) 2008-05-20 2018-05-22 Avant Medical Corp. Autoinjector system
US9616173B2 (en) 2008-07-23 2017-04-11 Avant Medical Corporation System and method for an injection using a syringe needle
JP2012525185A (en) * 2009-05-01 2012-10-22 オウエン マンフォード リミティド Injection device
US9302054B2 (en) 2009-05-01 2016-04-05 Owen Mumford Limited Injection devices
US10092706B2 (en) 2011-04-20 2018-10-09 Amgen Inc. Autoinjector apparatus
USD829890S1 (en) 2012-04-20 2018-10-02 Amgen Inc. Injection device
US10092703B2 (en) 2013-03-15 2018-10-09 Amgen Inc. Drug cassette, autoinjector, and autoinjector system
US9943646B2 (en) 2014-08-21 2018-04-17 Owen Mumford Ltd. Safety syringe
WO2016089864A1 (en) * 2014-12-03 2016-06-09 Eli Lilly And Company Needle shield puller cap assembly
US10363377B2 (en) 2015-12-01 2019-07-30 Eli Lilly And Company Needle shield puller cap assembly
KR101961207B1 (en) * 2018-04-09 2019-07-17 (유)제이앤케이메디컬 Safety Syringe

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