JP5271273B2 - 引込み式針を備えた注射器 - Google Patents
引込み式針を備えた注射器 Download PDFInfo
- Publication number
- JP5271273B2 JP5271273B2 JP2009536730A JP2009536730A JP5271273B2 JP 5271273 B2 JP5271273 B2 JP 5271273B2 JP 2009536730 A JP2009536730 A JP 2009536730A JP 2009536730 A JP2009536730 A JP 2009536730A JP 5271273 B2 JP5271273 B2 JP 5271273B2
- Authority
- JP
- Japan
- Prior art keywords
- plug
- needle
- syringe
- plunger
- head
- 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.)
- Expired - Fee Related
Links
- 239000000463 material Substances 0.000 claims description 4
- 230000000295 complement effect Effects 0.000 claims description 2
- 208000030507 AIDS Diseases 0.000 description 2
- 208000035473 Communicable disease Diseases 0.000 description 2
- 201000010099 disease Diseases 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 229940079593 drug Drugs 0.000 description 2
- 208000006454 hepatitis Diseases 0.000 description 2
- 231100000283 hepatitis Toxicity 0.000 description 2
- 208000015181 infectious disease Diseases 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000005180 public health Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
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
- A61M5/32—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
- A61M5/178—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
- A61M5/34—Constructions for connecting the needle, e.g. to syringe nozzle or needle hub
- A61M5/347—Constructions for connecting the needle, e.g. to syringe nozzle or needle hub rotatable, e.g. bayonet or screw
-
- 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
- A61M5/34—Constructions for connecting the needle, e.g. to syringe nozzle or needle hub
- A61M5/348—Constructions for connecting the needle, e.g. to syringe nozzle or needle hub snap lock, i.e. upon axial displacement of needle assembly
-
- 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)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Environmental & Geological Engineering (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
Description
実質的にプランジャーを内部に挿入した中空シリンダを備え、プランジャーが中空でありしかも中空シリンダに対して外部にある端部分において閉じられており、また中空シリンダに対して内部にあるプランジャー端部分に挿入された第1の栓を備えた注射器本体と、
実質的にヘッドのまわりに予め装填したバネを備え、またヘッドのまわりに第2の栓を備え、前記バネが使用後に前記プランジャー内への針の普遍的導入を決めている針本体とを有する使い捨て注射器である。
注射器本体は、本質的に中空シリンダ1を備え、中空シリンダ1内にはプランジャー2が挿入され、プランジャー2は中空でありしかも中空シリンダ1に対して外部にある端部分において閉じられており、また注射器本体は、中空シリンダ1に対して内部にあるプランジャー端部分に挿入された第1の栓3を備えている。
針本体4は、実質的にヘッド5’の周りに予め装填したバネ6を備えた針5と、針5のヘッドの周りの第2の栓7とを備えている。
Claims (7)
- 実質的に、プランジャー(2)を内部に挿入した中空シリンダ(1)を備え、当該プランジャー(2)が中空であり且つ前記中空シリンダに対して外部にある外側端部分において閉じられており、また、前記中空シリンダ(1)に対して内部にあるプランジャー(2)内側端部分に挿入された第1の栓(3)を備えた、注射器本体と、
実質的に、ヘッド(5’)の周りに予め装填したバネ(6)を持つ針(5)を備え、また、前記針の前記ヘッドの周りに位置する第2の栓(7)を備え、前記バネが使用後に前記プランジャー(2)内への前記針(5,5’)の普遍的導入を決めている、針本体(4)と、
を有してなる使い捨て注射器であって、
前記注射器本体と前記針本体とが分離でき、
前記第2の栓(7)には前記針(5)の前記ヘッド(5’)を受け入れる中央凹部(7’)が備えられ、前記針の前記ヘッドは拡張した上方縁部(5’’)を備え、
前記第2の栓(7)の前記中央凹部内にはゴムパッド(10)が配置され、当該ゴムパッドは、前記注射器の使用前に、前記上方縁部(5’’)に対して係合し、
前記注射器の使用後に、前記第1及び第2の栓(3、7)が互いに接触し、それにより、前記プランジャー(2)の前記内側端部分が前記第2の栓(7)を加圧して前記ゴムパッド(10)を拡張させ、前記第2の栓(7)が前記バネ(6)を解放し、前記針(5)の前記ヘッド(5’)が前記第1の栓(3)を貫通し、その結果、前記針(5)の全体が前記プランジャー(2)内に普遍的に収容され、
前記第1の栓(3)が、前記中空シリンダ(2)内における前記プランジャー(2)のシールを形成し、凸状外縁部を持ち、また、前記プランジャー(2)の前記内側端部分内にて形成した中央孔に中心の半孔あき部分(8)を備えている、
ことを特徴とする使い捨て注射器。 - 前記針本体(4)を前記注射器の前記中空シリンダ(2)内に挿入し且つ固定する手段を備えていることを特徴とする、請求項1に記載の使い捨て注射器。
- 前記注射器の前記中空シリンダ(2)内に挿入し且つ固定する前記手段が、牡/牝型のフイン又はフレアーを備えた差込部材(9)、或いはネジ又はスナップ嵌めシステムを備えていることを特徴とする、請求項2に記載の使い捨て注射器。
- 前記第2の栓(7)が、前記注射器本体に対向する凹状縁部を備え、当該凹状縁部の形状は前記第1の栓(3)の凸状形状に対して相補的であり、前記拡張した上方縁部(5’’)は前記凹状縁部において前記第2の栓(7)の前記中央凹部内のゴムパッド(10)に対して係合することを特徴とする、請求項1に記載の使い捨て注射器。
- 前記第2の栓(7)の前記凹状縁部と反対の側にて前記針の先端側に向かって配置された狭細部(11)が備えられ、前記バネ(6)が前記狭細部(11)に係合し、前記バネ(6)が、前記注射器の使用前に、前記針(5)の前記ヘッド(5’)の前記上方縁部(5’ ’)と前記狭細部(11)との間に予め装填されることを特徴とする、請求項4に記載の使い捨て注射器。
- 前記針(5)の前記ヘッド(5’)が前記第1の栓(3)を貫通した後には、前記中心の半孔あき部分(8)が前記針(5)の全体と共に前記プランジャー内に普遍的に収容されることを特徴とする、請求項1に記載の使い捨て注射器。
- 前記第2の栓(7)はゴム材料からなることを特徴とする、請求項1乃至6のいずれか一項に記載の使い捨て注射器。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITMI2006A002190 | 2006-11-15 | ||
IT002190A ITMI20062190A1 (it) | 2006-11-15 | 2006-11-15 | Siringa monouso di tipo perfezionato |
PCT/EP2007/062322 WO2008058987A1 (en) | 2006-11-15 | 2007-11-14 | Syringe with retractable needle |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2010509011A JP2010509011A (ja) | 2010-03-25 |
JP5271273B2 true JP5271273B2 (ja) | 2013-08-21 |
Family
ID=39027294
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2009536730A Expired - Fee Related JP5271273B2 (ja) | 2006-11-15 | 2007-11-14 | 引込み式針を備えた注射器 |
Country Status (12)
Country | Link |
---|---|
US (1) | US8142396B2 (ja) |
EP (1) | EP2101847B1 (ja) |
JP (1) | JP5271273B2 (ja) |
CN (1) | CN101557851B (ja) |
BR (1) | BRPI0718903B8 (ja) |
CA (1) | CA2669609C (ja) |
IT (1) | ITMI20062190A1 (ja) |
MA (1) | MA30995B1 (ja) |
MX (1) | MX2009005118A (ja) |
RU (1) | RU2456025C2 (ja) |
TN (1) | TN2009000193A1 (ja) |
WO (1) | WO2008058987A1 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
MD759Z (ro) * | 2013-06-20 | 2014-11-30 | Наталия ПРОЦЮК | Seringă de unică folosinţă |
CN110403757A (zh) * | 2019-09-06 | 2019-11-05 | 苏强 | 一次性眼内注药注射器 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5407431A (en) | 1989-07-11 | 1995-04-18 | Med-Design Inc. | Intravenous catheter insertion device with retractable needle |
US5053010A (en) * | 1990-10-03 | 1991-10-01 | Triad Technology | Safety syringe with retractable needle |
US7014622B1 (en) * | 1999-02-18 | 2006-03-21 | Medsafe Technologies, Llc | Interchangeable needle safety syringe |
US6368303B1 (en) * | 1999-10-15 | 2002-04-09 | Becton, Dickinson And Company | Retracting needle syringe |
US20040006312A1 (en) | 1999-11-10 | 2004-01-08 | Donnan Jeremy Francis | Hypodermic syringes |
US6228054B1 (en) * | 1999-12-03 | 2001-05-08 | Edward D. Dysarz | Interchangeable safety needle cannula module that is activated by a safety syringe and plunger module |
US6099500A (en) * | 1999-12-03 | 2000-08-08 | Dysarz; Edward D. | Safety needle cannula module that is activated by a safety syringe and plunger module |
AU723060B3 (en) * | 2000-02-22 | 2000-08-17 | Occupational & Medical Innovations Ltd | A single use syringe |
US6689106B2 (en) | 2000-07-31 | 2004-02-10 | Becton Dickinson And Company | Retracting needle assembly for a syringe |
RU2284195C2 (ru) * | 2002-12-02 | 2006-09-27 | Ритрэктэбл Текнолоджиз, Инк. | Втягивающийся одноразовый шприц с принудительным удержанием иглы |
US20040116854A1 (en) | 2002-12-12 | 2004-06-17 | Abulhaj Ramzi F. | Syringe retractable needle and method |
US7604613B2 (en) | 2004-01-20 | 2009-10-20 | Beckton, Dickinson And Company | Syringe having a retractable needle |
CN2817873Y (zh) * | 2005-09-02 | 2006-09-20 | 罗松能 | 钢针回弹式安全自毁一次性注射器 |
-
2006
- 2006-11-15 IT IT002190A patent/ITMI20062190A1/it unknown
-
2007
- 2007-11-14 EP EP07857214.6A patent/EP2101847B1/en not_active Not-in-force
- 2007-11-14 MX MX2009005118A patent/MX2009005118A/es active IP Right Grant
- 2007-11-14 CA CA2669609A patent/CA2669609C/en not_active Expired - Fee Related
- 2007-11-14 JP JP2009536730A patent/JP5271273B2/ja not_active Expired - Fee Related
- 2007-11-14 CN CN2007800424219A patent/CN101557851B/zh not_active Expired - Fee Related
- 2007-11-14 BR BRPI0718903A patent/BRPI0718903B8/pt not_active IP Right Cessation
- 2007-11-14 RU RU2009122366/14A patent/RU2456025C2/ru active
- 2007-11-14 US US12/312,540 patent/US8142396B2/en not_active Expired - Fee Related
- 2007-11-14 WO PCT/EP2007/062322 patent/WO2008058987A1/en active Application Filing
-
2009
- 2009-05-15 TN TNP2009000193A patent/TN2009000193A1/fr unknown
- 2009-06-15 MA MA31994A patent/MA30995B1/fr unknown
Also Published As
Publication number | Publication date |
---|---|
CN101557851B (zh) | 2013-01-30 |
EP2101847B1 (en) | 2019-01-09 |
US8142396B2 (en) | 2012-03-27 |
TN2009000193A1 (en) | 2010-10-18 |
RU2009122366A (ru) | 2010-12-20 |
JP2010509011A (ja) | 2010-03-25 |
EP2101847A1 (en) | 2009-09-23 |
ITMI20062190A1 (it) | 2008-05-16 |
BRPI0718903B8 (pt) | 2021-06-22 |
MX2009005118A (es) | 2009-07-22 |
US20100057002A1 (en) | 2010-03-04 |
BRPI0718903B1 (pt) | 2018-06-12 |
CA2669609A1 (en) | 2008-05-22 |
CA2669609C (en) | 2015-04-28 |
CN101557851A (zh) | 2009-10-14 |
MA30995B1 (fr) | 2009-12-01 |
RU2456025C2 (ru) | 2012-07-20 |
WO2008058987A1 (en) | 2008-05-22 |
BRPI0718903A2 (pt) | 2013-12-10 |
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