CA2389520C - Hollow-needle devices - Google Patents
Hollow-needle devices Download PDFInfo
- Publication number
- CA2389520C CA2389520C CA002389520A CA2389520A CA2389520C CA 2389520 C CA2389520 C CA 2389520C CA 002389520 A CA002389520 A CA 002389520A CA 2389520 A CA2389520 A CA 2389520A CA 2389520 C CA2389520 C CA 2389520C
- Authority
- CA
- Canada
- Prior art keywords
- plunger
- hollow
- closure member
- needle device
- needle
- 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
- 238000007789 sealing Methods 0.000 claims abstract description 9
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 238000000465 moulding Methods 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 description 4
- 238000005755 formation reaction Methods 0.000 description 4
- -1 polyethylene Polymers 0.000 description 3
- 239000004698 Polyethylene Substances 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 230000001429 stepping effect Effects 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 1
- 230000004308 accommodation Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 210000001124 body fluid Anatomy 0.000 description 1
- 239000010839 body fluid Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 229920001903 high density polyethylene Polymers 0.000 description 1
- 239000004700 high-density polyethylene Substances 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 230000009467 reduction Effects 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
- A61M5/32—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
- A61M5/3205—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
- A61M2005/3235—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
- A61M2005/3236—Trigger provided at the distal end, i.e. syringe end for mounting a 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
- A61M5/50—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)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Environmental & Geological Engineering (AREA)
- Vascular Medicine (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB9927713.9 | 1999-11-24 | ||
| GBGB9927713.9A GB9927713D0 (en) | 1999-11-24 | 1999-11-24 | Hollow needle devices |
| PCT/GB2000/004457 WO2001037902A2 (en) | 1999-11-24 | 2000-11-23 | Syringe with retractable needle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2389520A1 CA2389520A1 (en) | 2001-05-31 |
| CA2389520C true CA2389520C (en) | 2008-01-08 |
Family
ID=10865015
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002389520A Expired - Fee Related CA2389520C (en) | 1999-11-24 | 2000-11-23 | Hollow-needle devices |
Country Status (11)
| Country | Link |
|---|---|
| EP (1) | EP1231962B1 (enExample) |
| JP (1) | JP4437197B2 (enExample) |
| CN (1) | CN1173750C (enExample) |
| AT (1) | ATE281856T1 (enExample) |
| AU (1) | AU1533701A (enExample) |
| CA (1) | CA2389520C (enExample) |
| DE (1) | DE60015787T2 (enExample) |
| ES (1) | ES2232507T3 (enExample) |
| GB (1) | GB9927713D0 (enExample) |
| PT (1) | PT1231962E (enExample) |
| WO (1) | WO2001037902A2 (enExample) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1291029A1 (en) * | 2001-09-10 | 2003-03-12 | Sergio Restelli | Automatic safety syringe |
| EP1694390A4 (en) * | 2003-12-16 | 2007-10-31 | Von Pace Pty Ltd | RETRACTABLE SYRINGE |
| WO2006044390A2 (en) * | 2004-10-14 | 2006-04-27 | Safety Medical International, Inc. | Safety medical syringe with retractable needle |
| EP1863551A4 (en) * | 2004-12-14 | 2008-09-17 | Global Medisafe Holdings Ltd | SELF-RETRACTABLE EXPENSIVE MEDICAL SYRINGE |
| KR102421258B1 (ko) * | 2020-04-28 | 2022-07-15 | 재단법인 아산사회복지재단 | 안전 주사기 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT395679B (de) * | 1988-10-13 | 1993-02-25 | Pickhard Ewald | Einwegspritze |
| GB9107647D0 (en) * | 1991-04-11 | 1991-05-29 | Jeffrey Peter | Syringe construction providing needle point protection |
| US5578011A (en) * | 1995-05-11 | 1996-11-26 | Shaw; Thomas J. | Tamperproof retractable syringe |
| US5993417A (en) * | 1998-01-06 | 1999-11-30 | Yerfino; Daniel Alberto | Disposable syringe with an automatically retractable hypodermic needle |
-
1999
- 1999-11-24 GB GBGB9927713.9A patent/GB9927713D0/en not_active Ceased
-
2000
- 2000-11-23 AT AT00977699T patent/ATE281856T1/de active
- 2000-11-23 WO PCT/GB2000/004457 patent/WO2001037902A2/en not_active Ceased
- 2000-11-23 CA CA002389520A patent/CA2389520C/en not_active Expired - Fee Related
- 2000-11-23 CN CNB008162115A patent/CN1173750C/zh not_active Expired - Fee Related
- 2000-11-23 DE DE60015787T patent/DE60015787T2/de not_active Expired - Lifetime
- 2000-11-23 ES ES00977699T patent/ES2232507T3/es not_active Expired - Lifetime
- 2000-11-23 JP JP2001539514A patent/JP4437197B2/ja not_active Expired - Fee Related
- 2000-11-23 EP EP00977699A patent/EP1231962B1/en not_active Expired - Lifetime
- 2000-11-23 PT PT00977699T patent/PT1231962E/pt unknown
- 2000-11-23 AU AU15337/01A patent/AU1533701A/en not_active Abandoned
Also Published As
| Publication number | Publication date |
|---|---|
| ATE281856T1 (de) | 2004-11-15 |
| GB9927713D0 (en) | 2000-01-19 |
| CN1173750C (zh) | 2004-11-03 |
| JP2003514628A (ja) | 2003-04-22 |
| EP1231962A2 (en) | 2002-08-21 |
| CN1399568A (zh) | 2003-02-26 |
| AU1533701A (en) | 2001-06-04 |
| DE60015787T2 (de) | 2005-11-10 |
| WO2001037902A2 (en) | 2001-05-31 |
| WO2001037902A3 (en) | 2002-05-02 |
| ES2232507T3 (es) | 2005-06-01 |
| JP4437197B2 (ja) | 2010-03-24 |
| CA2389520A1 (en) | 2001-05-31 |
| DE60015787D1 (de) | 2004-12-16 |
| EP1231962B1 (en) | 2004-11-10 |
| PT1231962E (pt) | 2005-03-31 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKLA | Lapsed | ||
| MKLA | Lapsed |
Effective date: 20121123 |