KR20050075337A - 후퇴식 바늘 어셈블리를 구비한 주사기 - Google Patents
후퇴식 바늘 어셈블리를 구비한 주사기 Download PDFInfo
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- KR20050075337A KR20050075337A KR1020057004522A KR20057004522A KR20050075337A KR 20050075337 A KR20050075337 A KR 20050075337A KR 1020057004522 A KR1020057004522 A KR 1020057004522A KR 20057004522 A KR20057004522 A KR 20057004522A KR 20050075337 A KR20050075337 A KR 20050075337A
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- South Korea
- Prior art keywords
- plunger
- hub
- mandrel
- extending
- longitudinal direction
- Prior art date
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- 238000007789 sealing Methods 0.000 claims abstract description 17
- 238000013459 approach Methods 0.000 claims abstract description 5
- 238000002347 injection Methods 0.000 claims description 5
- 239000007924 injection Substances 0.000 claims description 5
- 230000013011 mating Effects 0.000 claims description 3
- 230000001154 acute effect Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 claims 5
- 238000010254 subcutaneous injection Methods 0.000 claims 1
- 239000007929 subcutaneous injection Substances 0.000 claims 1
- 208000027418 Wounds and injury Diseases 0.000 description 4
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 230000006378 damage Effects 0.000 description 3
- 208000014674 injury Diseases 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 210000003813 thumb Anatomy 0.000 description 3
- 230000036541 health Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 206010069803 Injury associated with device Diseases 0.000 description 1
- 206010052428 Wound Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000003466 anti-cipated effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
Classifications
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- 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
-
- 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
-
- 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
- A61M5/315—Pistons; Piston-rods; Guiding, blocking or restricting the movement of the rod or piston; Appliances on the rod for facilitating dosing ; Dosing mechanisms
-
- 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
- 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
- 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)
- Hematology (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 (8)
- 개방 단부, 및 허브 리테이너(hub retainer)를 갖는 허브 단부를 구비하는 몸통(barrel),상기 몸통 내에 슬라이드 가능하게 배치되는 밀봉 단부, 상기 몸통의 개방 단부로부터 연장되는 외측 단부, 상기 외측 단부와 상기 밀봉 단부 사이의 공동(cavity), 상기 밀봉 단부를 관통하여 상기 공동까지 상기 플런저의 길이 방향으로 연장되는 장착 구멍, 및 상기 장착 구멍으로 연장되는 하나 이상의 멈추개(detent)를 구비하는 플런저(plunger),상기 장착 구멍 내에 배치되며 상기 플런저의 길이 방향으로 가요성을 갖는 환형의 플랜지를 구비하고 상기 하나 이상의 멈추개와 결합되는 맨드릴(mandrel),상기 공동 내에서 제1 단부가 상기 맨드릴에 고정되고 제2 단부가 장력을 받은 상태로 상기 플런저에 고정될 수 있는 스프링 부재, 및상기 허브 리테이너에 배치되는 바늘 허브를 포함하는 것을 특징으로 하는 피하주사용 주사기.
- 제1항에 있어서,상기 플런저의 길이 방향으로 가요성을 갖는 환형의 플랜지는 반경 방향 외측으로 연장되어 상기 맨드릴에 외접하는 것을 특징으로 하는 피하주사용 주사기.
- 제1항에 있어서,상기 하나 이상의 멈추개는 상기 플런저의 길이 방향으로 예각을 이루는 멈추개 결합면을 갖고, 상기 플런저의 길이 방향으로 가요성을 갖는 환형의 플랜지는 반경 방향 외측으로 연장되어 상기 맨드릴에 외접하며, 상기 환형의 플랜지의 외주는 단면이 반원형인 표면을 갖는 것을 특징으로 하는 피하주사용 주사기.
- 개방 단부, 및 허브 리테이너를 갖는 허브 단부를 구비하는 몸통,상기 허브 리테이너에 배치되는 바늘 허브상기 몸통 내에 슬라이드 가능하게 배치되는 밀봉 단부, 상기 몸통의 개방 단부로부터 연장되는 외측 단부, 상기 외측 단부와 상기 밀봉 단부 사이의 공동, 및 상기 밀봉 단부를 관통하여 상기 공동까지 상기 플런저의 길이 방향으로 연장되는 장착 구멍을 구비하는 플런저,상기 장착 구멍 내에 배치되며 서로 이격되어 상기 플런저의 길이 방향으로 연장되는 복수의 탄성 암을 구비하는 맨드릴, 및상기 공동 내에서 제1 단부가 상기 맨드릴에 고정되고 제2 단부가 장력을 받은 상태로 상기 플런저에 고정될 수 있는 스프링 부재를 포함하고,상기 복수의 탄성 암은 각각 원뿔면 세그먼트를 가지는 돌기(barb)를 구비하고, 상기 돌기의 표면은 외측으로 향하며, 상기 원뿔형 돌기의 축은 서로 오프셋되어 상기 탄성 암이 서로를 향하여 구부러지면 서로 접근하게 되고, 상기 바늘 허브는 상기 플런저의 반대쪽을 향하는 결합 쇼울더를 구비하고 상기 암이 서로를 향하여 구부러졌을 때 상기 돌기를 수용할 수 있는 결합 구멍을 갖는것을 특징으로 하는 피하주사용 주사기.
- 제4항에 있어서,상기 플런저는 상기 장착 구멍 내부로 연장되는 하나 이상의 멈추개를 더 포함하고, 상기 맨드릴은 상기 플런저의 길이 방향으로 가요성을 가지며 상기 하나 이상의 멈추개와 결합하는 환형의 플랜지를 더 포함하는 것을 특징으로 하는 피하주사용 주사기.
- 개방 단부, 및 허브 리테이너를 갖는 허브 단부를 구비하는 몸통,상기 몸통 내에 슬라이드 가능하게 배치되는 밀봉 단부, 상기 몸통의 개방 단부로부터 연장되는 외측 단부, 상기 외측 단부와 상기 밀봉 단부 사이의 공동, 상기 밀봉 단부를 관통하여 상기 공동까지 상기 플런저의 길이 방향으로 연장되는 장착 구멍, 및 상기 장착 구멍으로 연장되는 하나 이상의 멈추개를 구비하는 플런저,상기 장착 구멍 내에 배치되는 맨드릴,상기 공동 내에서 제1 단부가 상기 맨드릴에 고정되고 제2 단부가 장력을 받은 상태로 상기 플런저에 고정될 수 있는 스프링 부재, 및상기 허브 리테이너에 배치되는 바늘 허브를 포함하고,상기 몸통의 허브 단부는 상기 몸통을 향해 길이 방향으로 이동하는 상기 바늘 허브를 해제 가능하게 지지하도록 탄성적으로 장착되는 레그를 포함하고 상기 몸통을 향해 길이 방향으로 이동하도록 상기 바늘 허브를 해제시키기 위해 상기 구동면과 결합 가능하고, 상기 허브 리테이너는 상기 플런저와 대면하며 상기 몸통의 길이 방향과 직각인 제1 쇼울더를 갖고, 상기 바늘 허브는 상기 제1 쇼울더와 대면하며 상기 몸통의 길이 방향과 직각인 제2 쇼울더를 갖고, 상기 바늘 허브는 제1 위치에서 상기 레그에 대하여 위치되고, 상기 제2 쇼울더는 제2 위치에서 상기 제1 쇼울더에 대하여 위치되며, 상기 제1 및 제2 위치는 서로 변위되는것을 특징으로 하는 피하주사용 주사기.
- 제6항에 있어서,O링을 추가로 포함하고, 상기 바늘 허브는 외측으로 연장되는 플랜지를 더 포함하며, 상기 O링은 상기 플랜지와 상기 허브 리테이너 사이에서 상기 바늘 허브가 상기 제1 위치로부터의 이동에 대하여 탄성적으로 저항하는 것을 특징으로 하는 피하주사용 주사기.
- 제7항에 있어서,상기 제2 쇼울더는 상기 플랜지 상에 위치되고, 상기 리테이너는 보어를 가지며, 상기 제1 쇼울더는 상기 보어 내에 위치되는 것을 특징으로 하는 피하주사용 주사기.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/247,781 | 2002-09-16 | ||
US10/247,781 US7494479B2 (en) | 2002-09-16 | 2002-09-16 | Syringe with retractable needle assembly |
Publications (1)
Publication Number | Publication Date |
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KR20050075337A true KR20050075337A (ko) | 2005-07-20 |
Family
ID=31992562
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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KR1020057004522A KR20050075337A (ko) | 2002-09-16 | 2003-09-16 | 후퇴식 바늘 어셈블리를 구비한 주사기 |
Country Status (7)
Country | Link |
---|---|
US (1) | US7494479B2 (ko) |
EP (1) | EP1549365A4 (ko) |
KR (1) | KR20050075337A (ko) |
CN (1) | CN100448491C (ko) |
AU (1) | AU2003270733B2 (ko) |
WO (1) | WO2004024215A2 (ko) |
ZA (1) | ZA200502901B (ko) |
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US8114050B2 (en) * | 2005-05-12 | 2012-02-14 | Unitract Syringe Pty Ltd | Controlled retraction syringe and plunger therefor |
US20080287869A1 (en) * | 2007-05-17 | 2008-11-20 | Thomas Chun | Safety Syringe |
GB0711342D0 (en) | 2007-06-12 | 2007-07-25 | Champion Technologies Ltd | Well treatment |
BRPI0908311B8 (pt) * | 2008-05-08 | 2021-06-22 | Shantou Wealy Medical Instr Co Ltd | seringa de segurança descartável autodestrutível sem fluido residual |
US9440250B2 (en) | 2009-12-18 | 2016-09-13 | Rain Bird Corporation | Pop-up irrigation device for use with low-pressure irrigation systems |
US8950789B2 (en) | 2009-12-18 | 2015-02-10 | Rain Bird Corporation | Barbed connection for use with irrigation tubing |
US8898876B2 (en) | 2011-03-30 | 2014-12-02 | Rain Bird Corporation | Barbed fittings, fitting insertion tools and methods relating to same |
CN102319470B (zh) * | 2011-09-20 | 2014-06-25 | 山西新华美医疗器械有限公司 | 弹簧自毁式注射器 |
CN109350806B (zh) * | 2018-12-13 | 2024-06-25 | 河南曙光汇知康生物科技股份有限公司 | 一种一次性安全自毁注射器 |
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TW483767B (en) * | 2000-11-08 | 2002-04-21 | Bi-Jang Luo | Safe injector with needle seat of easy fastening |
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-
2002
- 2002-09-16 US US10/247,781 patent/US7494479B2/en not_active Expired - Fee Related
-
2003
- 2003-09-16 EP EP03752443A patent/EP1549365A4/en not_active Withdrawn
- 2003-09-16 AU AU2003270733A patent/AU2003270733B2/en not_active Ceased
- 2003-09-16 CN CNB038250535A patent/CN100448491C/zh not_active Expired - Fee Related
- 2003-09-16 WO PCT/US2003/029273 patent/WO2004024215A2/en not_active Application Discontinuation
- 2003-09-16 KR KR1020057004522A patent/KR20050075337A/ko not_active Application Discontinuation
-
2005
- 2005-04-11 ZA ZA200502901A patent/ZA200502901B/en unknown
Also Published As
Publication number | Publication date |
---|---|
US7494479B2 (en) | 2009-02-24 |
AU2003270733A1 (en) | 2004-04-30 |
AU2003270733B2 (en) | 2009-01-22 |
CN1694738A (zh) | 2005-11-09 |
ZA200502901B (en) | 2005-10-19 |
EP1549365A2 (en) | 2005-07-06 |
WO2004024215A3 (en) | 2004-12-16 |
CN100448491C (zh) | 2009-01-07 |
US20040054324A1 (en) | 2004-03-18 |
EP1549365A4 (en) | 2006-08-23 |
WO2004024215A2 (en) | 2004-03-25 |
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