JP4490283B2 - 引込式針を備えた使い捨て注射器 - Google Patents
引込式針を備えた使い捨て注射器 Download PDFInfo
- Publication number
- JP4490283B2 JP4490283B2 JP2004551157A JP2004551157A JP4490283B2 JP 4490283 B2 JP4490283 B2 JP 4490283B2 JP 2004551157 A JP2004551157 A JP 2004551157A JP 2004551157 A JP2004551157 A JP 2004551157A JP 4490283 B2 JP4490283 B2 JP 4490283B2
- Authority
- JP
- Japan
- Prior art keywords
- needle
- piston
- lip
- syringe
- seat
- 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
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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
-
- 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- A61M5/322—Retractable needles, i.e. disconnected from and withdrawn into the syringe barrel by the piston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
-
- 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
Description
Claims (4)
- 引込式針(5)を備えた使い捨て注射器(100)であって、開端部及び該開端部に滑動可能に挿入されるピストン要素(2)を有する容器(1)を含み、該ピストン要素(2)は該容器(1)の内側に対面する端部を有し、該容器(1)はリップ状突出部(30)に囲まれた前開端部と、前記針(5)を担持し且つ前記ピストン要素(2)に向かって、また該ピストン要素(2)から離れて、前記リップ状突出部(30)内で滑動可能な針担持ソケット要素(4)と、前記リップ状突出部(30)内にあって前記針担持ソケット要素(4)を前記ピストン要素(2)に向かって連続的に押圧しているバネ(8)と、前記リップ状突出部(30)にある内側に延びる座部(11)と、前記針担持ソケット要素(4)にある内側に延びる座部(43)と、前記針担持ソケット要素(4)に固定されていて該針担持ソケット要素(4)とともに移動可能な可撓の要素(9)とを有し、この可撓の要素(9)は前記バネ(8)が前記針担持ソケット要素(4)を前記ピストン要素(2)に向かって押圧するとき前記リップ状突出部(30)にある座部(11)に係合して、前記ピストン要素(2)に向かっての前記針担持ソケット要素(4)の移動を制限する部分(96)を有し、前記可撓の要素(9)は前記ピストン要素(2)によって係合される部材(91)を有して、この可撓の要素(9)の一部分(99)を前記針担持ソケット要素(4)内に押しつけるようになっており、この可撓の要素(9)の前記一部分(99)はフックを備えていて、前記針担持ソケット要素(4)内に押しつけられたとき、前記針担持ソケット要素(4)の座部(43)の下に係合して前記可撓の要素(9)を変形された姿勢に保持し、ここにおいて、前記針担持ソケット要素(4)は、前記リップ状突出部(30)の座部(11)と前記可撓の要素(9)の前記部分(96)との係合が解かれて解放され、そこで、前記ピストン要素(2)が前記針(5)から離れる方向に引き込まれるとき、前記バネ(8)は前記針担持ソケット要素(4)、前記針(5)、及び前記可撓の要素(9)を前記ピストン要素(2)に向かう方向に押しつけて、前記リップ状突出部(30)内に前記針(5)を引き込めるようになっており、前記可撓の要素(9)は逆V字形状でなる複数の横方向の突端を有しており、この逆V字形の頂部が、前記リップ状突出部(30)の座部(11)の下に係合する、前記可撓の要素(9)の前記部分(96)であることを特徴とする注射器。
- 前記可撓の要素(9)は単一片のプラスチック構造で成る、請求項1に記載の注射器。
- 各逆V字形状の突端の一脚は前記可撓の要素の中央部分(91)に固着されており、他脚は前記針担持ソケット要素(4)に回転可能に保持されている、請求項1に記載の注射器。
- 前記針担持ソケット要素(4)が、前記ピストン要素(2)に対面していて前記可撓の要素(9)の中央部分(91)が前記針(5)の方向に向かう移動を制限する、第2の座部(43)を有している、請求項1に記載の注射器。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT000005A ITCB20020005A1 (it) | 2002-11-12 | 2002-11-12 | Siringa di sicurezza con ago retrattile irreversibile. |
PCT/IT2003/000435 WO2004043523A1 (en) | 2002-11-12 | 2003-07-10 | Disposable syringe with retractile needle |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2006506119A JP2006506119A (ja) | 2006-02-23 |
JP4490283B2 true JP4490283B2 (ja) | 2010-06-23 |
Family
ID=32310134
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004551157A Expired - Fee Related JP4490283B2 (ja) | 2002-11-12 | 2003-07-10 | 引込式針を備えた使い捨て注射器 |
Country Status (15)
Country | Link |
---|---|
US (1) | US7578806B2 (ja) |
EP (1) | EP1560619B1 (ja) |
JP (1) | JP4490283B2 (ja) |
KR (1) | KR101055459B1 (ja) |
CN (1) | CN100438935C (ja) |
AT (1) | ATE353683T1 (ja) |
AU (1) | AU2003301897B2 (ja) |
CA (1) | CA2502857C (ja) |
DE (1) | DE60311857T2 (ja) |
ES (1) | ES2282645T3 (ja) |
IT (1) | ITCB20020005A1 (ja) |
PL (1) | PL206454B1 (ja) |
PT (1) | PT1560619E (ja) |
WO (1) | WO2004043523A1 (ja) |
ZA (1) | ZA200503229B (ja) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL1027273C2 (nl) * | 2004-10-18 | 2006-04-19 | Advanced Protective Injection | Injectiespuit met terugtrekbare inspuitnaald. |
JP4994775B2 (ja) | 2006-10-12 | 2012-08-08 | 日本コヴィディエン株式会社 | 針先保護具 |
GB0900930D0 (en) * | 2009-01-20 | 2009-03-04 | Future Injection Technologies Ltd | Injection device |
ES2662356T3 (es) | 2011-04-27 | 2018-04-06 | Kpr U.S., Llc | Conjuntos de catéter IV de seguridad |
US8715250B2 (en) | 2011-09-26 | 2014-05-06 | Covidien Lp | Safety catheter and needle assembly |
WO2013048975A1 (en) | 2011-09-26 | 2013-04-04 | Covidien Lp | Safety catheter |
US8834422B2 (en) | 2011-10-14 | 2014-09-16 | Covidien Lp | Vascular access assembly and safety device |
JP6193355B2 (ja) | 2013-03-07 | 2017-09-06 | テルモ株式会社 | 針付き外筒の製造方法及び針付き外筒 |
US9212225B1 (en) | 2014-07-01 | 2015-12-15 | Amphivena Therapeutics, Inc. | Bispecific CD33 and CD3 binding proteins |
EP3302555A4 (en) | 2015-05-29 | 2018-07-11 | Amphivena Therapeutics, Inc. | Methods of using bispecific cd33 and cd3 binding proteins |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ES2019792A6 (es) * | 1990-01-17 | 1991-07-01 | Caralt Batlle Jaime | Jeringuilla hipodrmica de un solo uso. |
US5376080A (en) * | 1991-01-30 | 1994-12-27 | Petrussa; Gian L. | Single use retractable needle syringe |
GB9107647D0 (en) * | 1991-04-11 | 1991-05-29 | Jeffrey Peter | Syringe construction providing needle point protection |
IL105706A (en) * | 1992-05-15 | 1996-10-16 | Safe T Ltd | Dispensing device for hollow needles |
IT1279684B1 (it) | 1995-11-10 | 1997-12-16 | Claudio Freschi | Siringa per iniezioni ipodermiche. |
NO310224B1 (no) | 1999-04-22 | 2001-06-11 | Medical Needle As | Engangsspröyte med automatisk tilbaketrekkbar kanyle |
NO312013B1 (no) * | 1999-12-23 | 2002-03-04 | Syringus As | Kanyletilbaketrekkingsmekanisme, kanyleholder og injeksjonsspröyte |
-
2002
- 2002-11-12 IT IT000005A patent/ITCB20020005A1/it unknown
-
2003
- 2003-07-10 PT PT03741109T patent/PT1560619E/pt unknown
- 2003-07-10 ES ES03741109T patent/ES2282645T3/es not_active Expired - Lifetime
- 2003-07-10 EP EP03741109A patent/EP1560619B1/en not_active Expired - Lifetime
- 2003-07-10 US US10/534,866 patent/US7578806B2/en not_active Expired - Fee Related
- 2003-07-10 WO PCT/IT2003/000435 patent/WO2004043523A1/en active IP Right Grant
- 2003-07-10 AT AT03741109T patent/ATE353683T1/de active
- 2003-07-10 AU AU2003301897A patent/AU2003301897B2/en not_active Ceased
- 2003-07-10 JP JP2004551157A patent/JP4490283B2/ja not_active Expired - Fee Related
- 2003-07-10 PL PL378807A patent/PL206454B1/pl not_active IP Right Cessation
- 2003-07-10 KR KR1020057008020A patent/KR101055459B1/ko not_active IP Right Cessation
- 2003-07-10 DE DE60311857T patent/DE60311857T2/de not_active Expired - Lifetime
- 2003-07-10 CA CA2502857A patent/CA2502857C/en not_active Expired - Fee Related
- 2003-07-10 CN CNB038250640A patent/CN100438935C/zh not_active Expired - Fee Related
-
2005
- 2005-04-21 ZA ZA200503229A patent/ZA200503229B/en unknown
Also Published As
Publication number | Publication date |
---|---|
EP1560619B1 (en) | 2007-02-14 |
PL206454B1 (pl) | 2010-08-31 |
US20060167410A1 (en) | 2006-07-27 |
CN1694741A (zh) | 2005-11-09 |
EP1560619A1 (en) | 2005-08-10 |
DE60311857T2 (de) | 2007-11-15 |
DE60311857D1 (de) | 2007-03-29 |
WO2004043523A1 (en) | 2004-05-27 |
PT1560619E (pt) | 2007-05-31 |
KR101055459B1 (ko) | 2011-08-08 |
KR20050065674A (en) | 2005-06-29 |
ZA200503229B (en) | 2006-06-28 |
AU2003301897B2 (en) | 2008-04-24 |
ES2282645T3 (es) | 2007-10-16 |
CA2502857C (en) | 2011-03-15 |
PL378807A1 (pl) | 2006-05-15 |
US7578806B2 (en) | 2009-08-25 |
ITCB20020005A1 (it) | 2004-05-13 |
AU2003301897A1 (en) | 2004-06-03 |
CA2502857A1 (en) | 2004-05-27 |
CN100438935C (zh) | 2008-12-03 |
JP2006506119A (ja) | 2006-02-23 |
ATE353683T1 (de) | 2007-03-15 |
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