CA2321441A1 - Retracting needle syringe - Google Patents

Retracting needle syringe Download PDF

Info

Publication number
CA2321441A1
CA2321441A1 CA002321441A CA2321441A CA2321441A1 CA 2321441 A1 CA2321441 A1 CA 2321441A1 CA 002321441 A CA002321441 A CA 002321441A CA 2321441 A CA2321441 A CA 2321441A CA 2321441 A1 CA2321441 A1 CA 2321441A1
Authority
CA
Canada
Prior art keywords
syringe
needle
injection
safe
allows
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
Application number
CA002321441A
Other languages
French (fr)
Other versions
CA2321441C (en
Inventor
Michael J. Carter
Richard Caizza
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Becton Dickinson and Co
Original Assignee
Becton, Dickinson And Company
Michael J. Carter
Richard Caizza
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Becton, Dickinson And Company, Michael J. Carter, Richard Caizza filed Critical Becton, Dickinson And Company
Publication of CA2321441A1 publication Critical patent/CA2321441A1/en
Application granted granted Critical
Publication of CA2321441C publication Critical patent/CA2321441C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • A61M5/50—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

Abstract

The syringe has a re-use prevention feature where the plunger rod (26) and needle hut (38) are destroyed and the needle (64) is retracted into the rod. This feature requires only an increase of force along the same line of action as the injection stroke. This allows for safe, one-handed injection, which is critical in some situations. The syringe also minimizes the amount of wasted medication because the plunger rod tip (28) occupies the entire volume inside de the barrel (20). The retracting needle syringe uses standard luer-lok fittings and can be used with a variety of standard needles that do have rectracting cannula. A large gauge needle can be used to fill the syringe from a vial or other container before attaching the savety needle for injection.
Lastly, the plunger can be completely encapsulated by the barrel prevents re-use of the syringe and allows for safe and easy disposal.
CA002321441A 1998-12-18 1999-12-02 Retracting needle syringe Expired - Lifetime CA2321441C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/216,561 US6010486A (en) 1998-12-18 1998-12-18 Retracting needle syringe
US09/216,561 1998-12-18
PCT/US1999/028475 WO2000037131A1 (en) 1998-12-18 1999-12-02 Retracting needle syringe

Publications (2)

Publication Number Publication Date
CA2321441A1 true CA2321441A1 (en) 2000-06-29
CA2321441C CA2321441C (en) 2008-02-05

Family

ID=22807544

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002321441A Expired - Lifetime CA2321441C (en) 1998-12-18 1999-12-02 Retracting needle syringe

Country Status (13)

Country Link
US (1) US6010486A (en)
EP (1) EP1056495B1 (en)
JP (1) JP4698838B2 (en)
CN (1) CN1182886C (en)
AT (1) ATE274944T1 (en)
AU (1) AU762938B2 (en)
BR (1) BR9908070A (en)
CA (1) CA2321441C (en)
DE (1) DE69919844T2 (en)
DK (1) DK1056495T3 (en)
ES (1) ES2230915T3 (en)
NZ (1) NZ506413A (en)
WO (1) WO2000037131A1 (en)

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SE0401569D0 (en) * 2004-06-17 2004-06-17 Gambro Lundia Ab applicator
US20060084915A1 (en) * 2004-07-14 2006-04-20 Jin Rong Chang Hub locking structure for safety syringe
ES2658068T3 (en) * 2004-08-13 2018-03-08 Becton, Dickinson And Company Retractable needle syringe set
US20060264840A1 (en) * 2005-05-09 2006-11-23 Daniel Thayer Syringe
US20070073224A1 (en) * 2005-07-14 2007-03-29 John Dries Syringe with latching safety mechanism
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Also Published As

Publication number Publication date
BR9908070A (en) 2002-01-08
CA2321441C (en) 2008-02-05
AU762938B2 (en) 2003-07-10
CN1182886C (en) 2005-01-05
ES2230915T3 (en) 2005-05-01
NZ506413A (en) 2003-07-25
DK1056495T3 (en) 2004-12-20
EP1056495B1 (en) 2004-09-01
ATE274944T1 (en) 2004-09-15
AU2161500A (en) 2000-07-12
WO2000037131A1 (en) 2000-06-29
CN1294524A (en) 2001-05-09
DE69919844T2 (en) 2005-09-22
JP4698838B2 (en) 2011-06-08
EP1056495A1 (en) 2000-12-06
US6010486A (en) 2000-01-04
DE69919844D1 (en) 2004-10-07
JP2002532205A (en) 2002-10-02

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MKEX Expiry

Effective date: 20191202