JPH06500706A - 皮下注射用注射器 - Google Patents
皮下注射用注射器Info
- Publication number
- JPH06500706A JPH06500706A JP3500515A JP50051591A JPH06500706A JP H06500706 A JPH06500706 A JP H06500706A JP 3500515 A JP3500515 A JP 3500515A JP 50051591 A JP50051591 A JP 50051591A JP H06500706 A JPH06500706 A JP H06500706A
- Authority
- JP
- Japan
- Prior art keywords
- syringe
- needle
- plunger
- spring
- hypodermic
- 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.)
- Granted
Links
- 238000002347 injection Methods 0.000 title claims description 73
- 239000007924 injection Substances 0.000 title claims description 73
- 239000000463 material Substances 0.000 claims description 11
- 230000000717 retained effect Effects 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 4
- 239000012530 fluid Substances 0.000 claims description 3
- 230000001846 repelling effect Effects 0.000 claims description 3
- 238000010304 firing Methods 0.000 claims 2
- 210000003811 finger Anatomy 0.000 description 30
- 230000001681 protective effect Effects 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 7
- 239000002775 capsule Substances 0.000 description 5
- 229920003023 plastic Polymers 0.000 description 5
- 239000004033 plastic Substances 0.000 description 5
- 238000003825 pressing Methods 0.000 description 5
- 238000010254 subcutaneous injection Methods 0.000 description 5
- 239000007929 subcutaneous injection Substances 0.000 description 5
- 241000700605 Viruses Species 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000001012 protector Effects 0.000 description 4
- 230000036541 health Effects 0.000 description 3
- 210000003813 thumb Anatomy 0.000 description 3
- 241000894006 Bacteria Species 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000000645 desinfectant Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229940071643 prefilled syringe Drugs 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 239000011800 void material Substances 0.000 description 2
- 208000030507 AIDS Diseases 0.000 description 1
- 241000282994 Cervidae Species 0.000 description 1
- 206010008631 Cholera Diseases 0.000 description 1
- 241000725303 Human immunodeficiency virus Species 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000001124 body fluid Anatomy 0.000 description 1
- 239000010839 body fluid Substances 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000002498 deadly effect Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 208000006454 hepatitis Diseases 0.000 description 1
- 231100000283 hepatitis Toxicity 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 210000003127 knee Anatomy 0.000 description 1
- 210000002414 leg Anatomy 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 210000005036 nerve Anatomy 0.000 description 1
- 229920001084 poly(chloroprene) Polymers 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 238000010186 staining Methods 0.000 description 1
- 210000002784 stomach Anatomy 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Classifications
-
- 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
- A61M5/3129—Syringe barrels
-
- 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
- A61M5/322—Retractable needles, i.e. disconnected from and withdrawn into the syringe barrel by the piston
- A61M5/3234—Fully automatic needle retraction, i.e. in which triggering of the needle does not require a deliberate action by the user
-
- 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
- A61M5/50—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 having means for preventing re-use, or for indicating if defective, used, tampered with or unsterile
- A61M5/5013—Means for blocking the piston or the fluid passageway to prevent illegal refilling of a syringe
-
- 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
- A61M5/322—Retractable needles, i.e. disconnected from and withdrawn into the syringe barrel by the piston
- A61M5/3221—Constructional features thereof, e.g. to improve manipulation or functioning
- A61M2005/3231—Proximal end of needle captured or embedded inside piston head, e.g. by friction or hooks
-
- 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
- A61M5/322—Retractable needles, i.e. disconnected from and withdrawn into the syringe barrel by the piston
- A61M5/3234—Fully automatic needle retraction, i.e. in which triggering of the needle does not require a deliberate action by the user
- A61M2005/3235—Fully automatic needle retraction, i.e. in which triggering of the needle does not require a deliberate action by the user triggered by radial deflection of the anchoring parts between needle mount and syringe barrel or needle housing, e.g. spreading of needle mount retaining hooks having slanted surfaces by engagement with correspondingly shaped surfaces on the piston at the end of an injection stroke
-
- 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
- A61M5/322—Retractable needles, i.e. disconnected from and withdrawn into the syringe barrel by the piston
- A61M5/3234—Fully automatic needle retraction, i.e. in which triggering of the needle does not require a deliberate action by the user
- A61M2005/3241—Needle retraction energy is accumulated inside of a hollow plunger rod
-
- 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
- A61M2205/00—General characteristics of the apparatus
- A61M2205/58—Means for facilitating use, e.g. by people with impaired vision
- A61M2205/583—Means for facilitating use, e.g. by people with impaired vision by visual feedback
-
- 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
- A61M25/00—Catheters; Hollow probes
- A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
- A61M25/06—Body-piercing guide needles or the like
- A61M25/0612—Devices for protecting the needle; Devices to help insertion of the needle, e.g. wings or holders
-
- 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
- A61M25/00—Catheters; Hollow probes
- A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
- A61M25/06—Body-piercing guide needles or the like
- A61M25/0612—Devices for protecting the needle; Devices to help insertion of the needle, e.g. wings or holders
- A61M25/0631—Devices for protecting the needle; Devices to help insertion of the needle, e.g. wings or holders having means for fully covering the needle after its withdrawal, e.g. needle being withdrawn inside the handle or a cover being advanced over the needle
-
- 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
- A61M5/3202—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
- A61M5/50—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 having means for preventing re-use, or for indicating if defective, used, tampered with or unsterile
- A61M5/5013—Means for blocking the piston or the fluid passageway to prevent illegal refilling of a syringe
- A61M5/502—Means for blocking the piston or the fluid passageway to prevent illegal refilling of a syringe for blocking the piston
-
- 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
- A61M5/50—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 having means for preventing re-use, or for indicating if defective, used, tampered with or unsterile
- A61M5/508—Means for preventing re-use by disrupting the piston seal, e.g. by puncturing
Landscapes
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Hematology (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Environmental & Geological Engineering (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
Description
Claims (16)
- 1.皮下注射用注射器にして、 (a)注射器胴と、 (b)前記注射器胴内に摺動式に受人れられる寸法で、内部に空隙を有し、該内 部空隙を封鎖する壊れ易い端部を有するプランジャと、 (c)注射針と、 (d)前記注射針を保持し、前記プランジャが前記注射器胴の一部に当接し更に 移動するとき前記壊れ易い端部を壊C、該壊れ易い端部が前記プランジャより分 離されることにより前記注射針を前記プランジャの内部空隙内へ引込むよう前記 注射器胴に関連して設けられたばね保持手段にして、前記注射器を保持するホー ルダと、前記ホールダと該ばね保持手段の間に伸び方向のばね力を及ぼすばねと を含み、前記ばね保持手段は組立て状態に於て前記ホールダを保持し、前記注射 針を該ばね保持手段を通って延在せしめ、前記ホールダはリップを有し、該ばね 保持手段は組立て状態にて前記ホールダのリップを保持するフックを内側に備え た可撓性フィンガを有しており、前記プランジャの前記壊れ易い端部の側には前 記プランジャが前記注射器胴の前記一部を越えて移動するとき前記可撓性フィン ガの前記フックに係合して該可撓性フィンガを半径方向外方へ押しやり、前記リ ップを前記フックより解放せしめて前記ばねの伸び力を発揮せしめるよう構成さ れている如きばね保持手段と、 を含んでいる皮下注射用注射器。
- 2.請求の範囲1の皮下注射用注射器にして、前記プランジャの前記壊れ易い端 部は該端部と前記ホールダの間に予め定められた軸線方向力が作用するとき壊れ るようになっている皮下注射用注射器。
- 3.請求の範囲2の皮下注射用注射器にして、前記プランジャが前記注射器胴内 にて予め定められた位置を越えて圧入されるとき、前記の予め定められた軸線方 向力が作用する前に前記プランジャの端部が前記可撓性フィンガを半径方向外側 に押し拡げ、前記壊れ易い端部が外れ前記ばねが前記ホールダと前記注射針とを 前記プランジャの前記内部空隙内へ押しやるよう構成されている皮下注射用注射 器。
- 4.請求の範囲3の皮下注射用注射器にして、前記ばね保持手段は前記注射器胴 のノーズ部より作動的に外れるようになっている皮下注射用注射器。
- 5.請求の範囲4の皮下注射用注射器にして、前記プランジャの前記内部空隙は 前記壊れ易い端部が分離する迄真空とされている皮下注射用注射器。
- 6.請求の範囲5の皮下注射用注射器にして、前記プランジャが前記注射器胴内 に押込まれた後、前記プランジャが前記注射器胴より抜け落ちることを阻止する よう、前記プランジャを前記注射器胴に係合せしめるラチェット手段を有する皮 下注射用注射器。
- 7.請求の範囲6の皮下注射用注射器にして、前記ばね保持手段は少なくとも一 つのクブを有し、前記注射器胴の前記ノーズ部は少なくとも一つの軸線方向スロ ットと周方向溝とを有し、前記タブを前記軸線方向スロットに通し前記周方向に 沿って回転させることにより前記ばね保持手段が前記ノーズ部に固定されるよう になっている皮下注射用注射器。
- 8.請求の範囲7の皮下注射用注射器にして、前記ばね保持手段は切頭円錐状の ヘッドと内部に前記注射針を通す孔と外面にOリングを保持する溝を有するばね ハウジングを含み、前記注射器胴の前記ノーズ部内に装着され、前記Oリングに より該はねハウジングと前記ノーズ部の間のシールが達成されている皮下注射用 注射器。
- 9.請求の範囲8の皮下注射用注射器にして、前記ホールダは見やすい色であり 、前記プランジャと前記注射器胴とは透明又は半透明材よりなり、前記ホールダ が前記注射器胴内に挿入された前記プランジャ内に引込まれたとき外から見える ようになっている皮下注射用注射器。
- 10.請求の範囲9の皮下注射用注射器にして、前記ばねハウジングのヘッド部 はニードルキャップを取付けるための溝を備えている皮下注射用注射器。
- 11.請求の範囲10の皮下注射用注射器にして、前記注射器胴の外面には注射 器を特定表示するカラーコードリングが設けられている皮下注射用注射器。
- 12.注射針を保持しそれを弾くばねにて付勢された注射針手段と、注射液を保 持し一端にて前記ばねにて付勢された注射針手段と接続可能な注射器胴と、前記 注射器胴内にて移動可能な中空のプランジャとを有し、前記プランジャはその一 端より外れる壊れ易い部分を有し、捕足された注射針を前記注射器胴内にある前 記中空プランジャ内へ弾き入れる手段を備えており、前記ばねにて付勢された注 射針手段は一端に可撓性フィンガを備えたハウジングを有し、前記可撓性フィン ガは前記中空プランジャの一端と係合し該一端により半径方向外方に押し拡げら れて捕足された注射針を前記ハウジングより解放するようになっており、前記中 空プランジャの壊れ易い端部は壊れて捕足された注射針を前記ハウジングより外 れて前記中空プランジャ内へ移動させそこに保持すようになっており、前記中空 プランジャの前記壊れ易い端部は前記可撓性フィンガの対応する肩部と係合する テーパ状肩部を有し、前記中空プランジャの前方への移動により前記フィンガは 半径方向外方へ押し拡げられ、前記ばね荷重をかけられた注射針手段が前記注射 器胴より作動的に外されるようになっている皮下注射用注射器。
- 13.請求の範囲12の皮下注射用注射器にして、前記中空プランジャと前記注 射器胴は実質的に透明であり、捕足された注射針は前記中空プランジャ内に弾き 込まれると該プランジャと注射器胴の壁を通して明確に見えるようになっている 皮下注射用注射器。
- 14.請求の範囲13の皮下注射用注射器にして、前記中空プランジャは該中空 プランジャの壊れ易い端部が壊れたとき前記のばね荷重をかけられた注射針手段 より流体を抽出する真空室を含む皮下注射用注射器。
- 15.皮下注射用注射器にして、 (a)軸線方向貫通通路を有する軸を有し、該軸の一端は鋭くされ、他端に郭定 されたリップを郭定するホールダを有する注射針と、 (b)外面と第一の端部にある半径方向外方へ拡がることのできる可撓性の脚部 とを有する円筒状ばねハウジングにして、半径方向外方へ延びる外方に位置する 取付けタブと、前記円筒状ばねハウジングと前記注射針の前記軸部との間にシー ルを与える第一のシール手段とを有し、前記円筒状ばねハウジングは該円筒状ば ねハウジングの内面と該円筒状ハウジングの外面の間にシールを与える第二のシ ール手段と、該円筒状ばねハウジングの第二の端部上にあって前記注射針の軸部 を受け前記ホールダを保持する孔とを有し、前記可撓性脚部は前記注射針の前記 軸部が前記円筒状ばねハウジング内に前記前方に位置したとき前記注射針の前記 ホールダの前記拡径されたリップ部に係合してこれを保持する半径方向内側に向 いたフックを有しており、前記フックは内向きのテーパ状肩部を有している如き 円筒状ばねハウジングと、 (c)前記ホールダと前記円筒状ばねハウジングの第二の端部の間に該円筒状ば ねハウジング内に軸線方向に位置するコイルばねにして、前記注射針の前記ホー ルダと前記円筒状ばねハウジングの前記第二の端部の間に前記可撓性脚部の前記 フックにより及ぼされる保持力より小さい弾き力を及ぼし、これによって前記注 射針を前記ばね力の弾き力に抗して前記円筒状ハウジング内に保持せしめるよう なコイルばねと、 (d)前記円筒状ばねハウジングに係合しこれを保持する注射器胴にして、該注 射器胴の内部に位置して前記ばねハウジングのタブを受けるスロットと溝を有し 、前記ばねハウジングは該ばねハウジングの外面と前記注射器胴の間にシールを 与えるシール手段を有し、前記注射器胴の内面は前記円筒状ばねハウジングに係 合し前記可撓性脚部を半径方向外方へ撓ませるに十分な形状を有している如き注 射器胴と、 (e)前記注射器胴内に同心に受けられる寸法のプランジャにして、中空の軸線 方向に配置された室と壊れ易い端部と該壊れ易い端部に隣接した外向きのテーパ 状肩部とを有し、前記外方のテーパ状肩部が前記可撓性脚部の前記フックの前記 内向きのテーパ状肩部に強く係合して該可撓性脚部を押し拡げ、前記フックが前 記注射針の前記拡径されたリップより外れるとき前記壊れ易い端部は前記プラン ジャより外れて前記室内へ弾かれ、これによって前記注射針の前記ホールダと前 記壊れ易い端部の間に予め定められた軸線方向力が作用しとき前記壊れ易い端部 は壊れ、前記コイルばねは前記注射計を前記円筒状ばねハウジングより前記プラ ンジャ内の前記室へ向けて弾くようになっているプランジャと を有する皮下注射用注射器。
- 16.皮下注射用注射器にして、 (a)取付け手段を有する注射器胴と、(b)壊れ易い端部と内部空隙を有する プランジャにして、前記注射器胴内に摺動式に受入れられる寸法のプランジャと 、 (c)注射針と、 (d)ばねを含むばね保持手段にして、前記注射器胴と関連してこれにより保持 されて前記注射針を保持し前記プランジャが前記注射器胴の一部に当接してそれ 以上移動するとき前記注射針を前記プランジャの内部空隙内へ弾くようになって おり、前記注射器胴に容易に取付けられ又これよりとりはずされるようになって いるばね保持手段と、を有する皮下注射用注射器。
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/US1990/006462 WO1992008505A1 (en) | 1990-11-07 | 1990-11-07 | Hypodermic syringe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH06500706A true JPH06500706A (ja) | 1994-01-27 |
| JPH0649074B2 JPH0649074B2 (ja) | 1994-06-29 |
Family
ID=22221144
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3500515A Expired - Lifetime JPH0649074B2 (ja) | 1990-11-07 | 1990-11-07 | 皮下注射用注射器 |
Country Status (16)
| Country | Link |
|---|---|
| US (1) | US4994034A (ja) |
| EP (1) | EP0568525B1 (ja) |
| JP (1) | JPH0649074B2 (ja) |
| AU (1) | AU656887B2 (ja) |
| BG (1) | BG61026B1 (ja) |
| BR (1) | BR9008048A (ja) |
| CA (1) | CA2096026C (ja) |
| DE (1) | DE69030591T2 (ja) |
| DK (1) | DK0568525T3 (ja) |
| FI (1) | FI106536B (ja) |
| GR (1) | GR3023268T3 (ja) |
| NO (1) | NO305465B1 (ja) |
| RO (1) | RO109160B1 (ja) |
| RU (1) | RU2095090C1 (ja) |
| UA (1) | UA26322C2 (ja) |
| WO (1) | WO1992008505A1 (ja) |
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- 1990-11-07 BR BR909008048A patent/BR9008048A/pt not_active IP Right Cessation
- 1990-11-07 EP EP90917229A patent/EP0568525B1/en not_active Expired - Lifetime
- 1990-11-07 UA UA93004375A patent/UA26322C2/uk unknown
- 1990-11-07 WO PCT/US1990/006462 patent/WO1992008505A1/en not_active Ceased
- 1990-11-07 DK DK90917229.8T patent/DK0568525T3/da active
- 1990-11-07 DE DE69030591T patent/DE69030591T2/de not_active Expired - Lifetime
- 1990-11-07 CA CA002096026A patent/CA2096026C/en not_active Expired - Lifetime
- 1990-11-07 RU RU9093043609A patent/RU2095090C1/ru active
- 1990-11-07 JP JP3500515A patent/JPH0649074B2/ja not_active Expired - Lifetime
- 1990-11-07 RO RO93-00638A patent/RO109160B1/ro unknown
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1993
- 1993-05-06 NO NO931662A patent/NO305465B1/no not_active IP Right Cessation
- 1993-05-07 FI FI932069A patent/FI106536B/fi active
- 1993-06-04 BG BG97852A patent/BG61026B1/bg unknown
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1997
- 1997-04-24 GR GR970400549T patent/GR3023268T3/el unknown
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002506695A (ja) * | 1998-03-17 | 2002-03-05 | エム ディー シー インベストメント ホールディングス インコーポレイテッド | 予め満たされた退避可能針注入装置 |
| JP2003500131A (ja) * | 2000-01-04 | 2003-01-07 | ベクトン・ディキンソン・アンド・カンパニー | 針格納式注射器 |
| JP2006505296A (ja) * | 2002-02-27 | 2006-02-16 | ダイク、ルイス アール. ヴァン | 自動注射針引込み式安全注射器 |
| JP2008142565A (ja) * | 2008-01-29 | 2008-06-26 | Retractable Technologies Inc | ポジティブな針保持を具えた1回使用引込み式シリンジ |
| JP2012531249A (ja) * | 2009-06-26 | 2012-12-10 | ベクトン・ディキンソン・アンド・カンパニー | フランジロックを使用する受動的再使用防止注射器 |
| JP2014502166A (ja) * | 2010-07-22 | 2014-01-30 | ベクトン・ディキンソン・アンド・カンパニー | 格納式針を備える二腔シリンジ |
| US9452268B2 (en) | 2010-07-22 | 2016-09-27 | Becton, Dickinson And Company | Dual chamber syringe with retractable needle |
| US9550030B2 (en) | 2010-07-22 | 2017-01-24 | Becton, Dickinson And Company | Dual chamber syringe with retractable needle |
| US10525207B2 (en) | 2010-07-22 | 2020-01-07 | Becton, Dickinson And Company | Dual chamber syringe with retractable needle |
| US10549050B2 (en) | 2010-07-22 | 2020-02-04 | Becton, Dickinson And Company | Dual chamber syringe with retractable needle |
| US11426533B2 (en) | 2010-07-22 | 2022-08-30 | Becton, Dickinson And Company | Dual chamber syringe with retractable needle |
| US12290669B2 (en) | 2010-07-22 | 2025-05-06 | Becton, Dickinson And Company | Dual chamber syringe with retractable needle |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0649074B2 (ja) | 1994-06-29 |
| DK0568525T3 (da) | 1997-10-27 |
| GR3023268T3 (en) | 1997-07-30 |
| AU6741990A (en) | 1992-06-11 |
| FI106536B (fi) | 2001-02-28 |
| DE69030591T2 (de) | 1997-09-11 |
| EP0568525B1 (en) | 1997-04-23 |
| NO305465B1 (no) | 1999-06-07 |
| FI932069L (fi) | 1993-06-09 |
| US4994034A (en) | 1991-02-19 |
| EP0568525A1 (en) | 1993-11-10 |
| BG97852A (bg) | 1994-01-03 |
| RU2095090C1 (ru) | 1997-11-10 |
| NO931662D0 (no) | 1993-05-06 |
| BR9008048A (pt) | 1994-01-25 |
| AU656887B2 (en) | 1995-02-23 |
| EP0568525A4 (en) | 1993-07-16 |
| WO1992008505A1 (en) | 1992-05-29 |
| BG61026B1 (bg) | 1996-09-30 |
| CA2096026C (en) | 2000-01-11 |
| NO931662L (no) | 1993-06-29 |
| FI932069A0 (fi) | 1993-05-07 |
| RO109160B1 (ro) | 1994-12-30 |
| DE69030591D1 (de) | 1997-05-28 |
| UA26322C2 (uk) | 1999-08-30 |
| CA2096026A1 (en) | 1992-05-08 |
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