WO2001085239A3 - Passive needle guard for syringes - Google Patents

Passive needle guard for syringes Download PDF

Info

Publication number
WO2001085239A3
WO2001085239A3 PCT/US2001/014213 US0114213W WO0185239A3 WO 2001085239 A3 WO2001085239 A3 WO 2001085239A3 US 0114213 W US0114213 W US 0114213W WO 0185239 A3 WO0185239 A3 WO 0185239A3
Authority
WO
WIPO (PCT)
Prior art keywords
shield
needle guard
syringe
catches
needle
Prior art date
Application number
PCT/US2001/014213
Other languages
French (fr)
Other versions
WO2001085239A2 (en
Inventor
Mark Christopher Doyle
Original Assignee
Safety Syringes Inc
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=27074116&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=WO2001085239(A3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from US09/566,224 external-priority patent/US6623459B1/en
Application filed by Safety Syringes Inc filed Critical Safety Syringes Inc
Priority to AT01931019T priority Critical patent/ATE309832T1/en
Priority to EP01931019A priority patent/EP1284769B1/en
Priority to DE60115022T priority patent/DE60115022C5/en
Priority to CA002407739A priority patent/CA2407739A1/en
Priority to JP2001581892A priority patent/JP2003532500A/en
Publication of WO2001085239A2 publication Critical patent/WO2001085239A2/en
Publication of WO2001085239A3 publication Critical patent/WO2001085239A3/en

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
    • A61M5/3243—Means for protection against accidental injuries by used needles being axially-extensible, e.g. protective sleeves coaxially slidable on the syringe barrel
    • A61M5/326—Fully automatic sleeve extension, i.e. in which triggering of the sleeve 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
    • A61M5/3129—Syringe barrels
    • A61M5/3137—Specially designed finger grip means, e.g. for easy manipulation of the syringe rod
    • A61M2005/3139—Finger grips not integrally formed with the syringe barrel, e.g. using adapter with finger grips
    • 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
    • A61M5/3243—Means for protection against accidental injuries by used needles being axially-extensible, e.g. protective sleeves coaxially slidable on the syringe barrel
    • A61M5/3245—Constructional features thereof, e.g. to improve manipulation or functioning
    • A61M2005/3247—Means to impede repositioning of protection sleeve from needle covering to needle uncovering position
    • 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
    • A61M5/3243—Means for protection against accidental injuries by used needles being axially-extensible, e.g. protective sleeves coaxially slidable on the syringe barrel
    • A61M5/326—Fully automatic sleeve extension, i.e. in which triggering of the sleeve does not require a deliberate action by the user
    • A61M2005/3261—Fully automatic sleeve extension, i.e. in which triggering of the sleeve does not require a deliberate action by the user triggered by radial deflection of the anchoring parts between sleeve and syringe barrel, e.g. spreading of sleeve retaining hooks having slanted surfaces by engagement with conically shaped collet of the piston rod during the last portion of the injection stroke of the plunger
    • 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
    • A61M5/3243—Means for protection against accidental injuries by used needles being axially-extensible, e.g. protective sleeves coaxially slidable on the syringe barrel
    • A61M5/326—Fully automatic sleeve extension, i.e. in which triggering of the sleeve does not require a deliberate action by the user
    • A61M2005/3261—Fully automatic sleeve extension, i.e. in which triggering of the sleeve does not require a deliberate action by the user triggered by radial deflection of the anchoring parts between sleeve and syringe barrel, e.g. spreading of sleeve retaining hooks having slanted surfaces by engagement with conically shaped collet of the piston rod during the last portion of the injection stroke of the plunger
    • A61M2005/3264—Trigger provided at the proximal end, i.e. syringe end opposite to needle mounting end
    • 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
    • A61M2205/00—General characteristics of the apparatus
    • A61M2205/59—Aesthetic features, e.g. distraction means to prevent fears of child patients
    • 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
    • A61M5/3129—Syringe barrels
    • A61M5/3137—Specially designed finger grip means, e.g. for easy manipulation of the syringe 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
    • A61M5/178—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
    • A61M5/3243—Means for protection against accidental injuries by used needles being axially-extensible, e.g. protective sleeves coaxially slidable on the syringe barrel
    • A61M5/3271—Means for protection against accidental injuries by used needles being axially-extensible, e.g. protective sleeves coaxially slidable on the syringe barrel with guiding tracks for controlled sliding of needle protective sleeve from needle exposing to needle covering position

Abstract

A passive needle guard (110) includes a body (120) having proximal and distal ends (122,124) and a cavity (126) therein for receiving a medicine cartridge, and a shield (160) slidable on the body between retracted and extended positions for exposing and covering, respectively, a needle (95) extending from the body, the shield (160) being biased towards the extended position. Deflectable latch members (174) extend from the shield (160) that include catches (176) for engaging catches (148) on the body (120) for holding the shield (160) in the retracted position. A syringe (90) is inserted into the needle guard (110), and a needle of the syringe inserted into a patient. A plunger (98) of the syringe (90) is depressed to inject medication and to deflect the latch members (174) to disengage the catches (148) and release the shield (160), whereupon the shield automatically advances to the extended position. In the extended position, cooperating detents (171) on the shield (160) and body (120) engage one another, thereby preventing subsequent retraction of the shield (160).
PCT/US2001/014213 2000-05-05 2001-05-01 Passive needle guard for syringes WO2001085239A2 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
AT01931019T ATE309832T1 (en) 2000-05-05 2001-05-01 PASSIVE NEEDLE SHIELDING FOR SYRINGES
EP01931019A EP1284769B1 (en) 2000-05-05 2001-05-01 Passive needle guard for syringes
DE60115022T DE60115022C5 (en) 2000-05-05 2001-05-01 PASSIVE NEEDLE SHIELD FOR SPRAYING
CA002407739A CA2407739A1 (en) 2000-05-05 2001-05-01 Passive needle guard for syringes
JP2001581892A JP2003532500A (en) 2000-05-05 2001-05-01 Automatic safety needle receiver for syringes

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US09/566,224 2000-05-05
US09/566,224 US6623459B1 (en) 2000-05-05 2000-05-05 Passive needle guard for syringes
US09/724,657 US6613022B1 (en) 2000-05-05 2000-11-28 Passive needle guard for syringes
US09/724,657 2000-11-28

Publications (2)

Publication Number Publication Date
WO2001085239A2 WO2001085239A2 (en) 2001-11-15
WO2001085239A3 true WO2001085239A3 (en) 2002-03-21

Family

ID=27074116

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2001/014213 WO2001085239A2 (en) 2000-05-05 2001-05-01 Passive needle guard for syringes

Country Status (8)

Country Link
US (3) US6613022B1 (en)
EP (2) EP1284769B1 (en)
JP (1) JP2003532500A (en)
AT (1) ATE309832T1 (en)
CA (1) CA2407739A1 (en)
DE (1) DE60115022C5 (en)
ES (1) ES2252225T3 (en)
WO (1) WO2001085239A2 (en)

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US20050101917A1 (en) 2005-05-12
US7300420B2 (en) 2007-11-27
CA2407739A1 (en) 2001-11-15
WO2001085239A2 (en) 2001-11-15
ATE309832T1 (en) 2005-12-15
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EP1284769B1 (en) 2005-11-16
US6613022B1 (en) 2003-09-02
US20060036217A1 (en) 2006-02-16
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US7101355B2 (en) 2006-09-05
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EP1284769A2 (en) 2003-02-26
DE60115022T2 (en) 2006-08-10

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