CA2177263A1 - Retractable fluid collection device - Google Patents

Retractable fluid collection device

Info

Publication number
CA2177263A1
CA2177263A1 CA002177263A CA2177263A CA2177263A1 CA 2177263 A1 CA2177263 A1 CA 2177263A1 CA 002177263 A CA002177263 A CA 002177263A CA 2177263 A CA2177263 A CA 2177263A CA 2177263 A1 CA2177263 A1 CA 2177263A1
Authority
CA
Canada
Prior art keywords
plunger
needle holder
needle
interface
port
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
CA002177263A
Other languages
French (fr)
Other versions
CA2177263C (en
Inventor
Thomas J. Shaw
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2177263A1 publication Critical patent/CA2177263A1/en
Application granted granted Critical
Publication of CA2177263C publication Critical patent/CA2177263C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/15—Devices for taking samples of blood
    • A61B5/150007—Details
    • A61B5/150374—Details of piercing elements or protective means for preventing accidental injuries by such piercing elements
    • A61B5/150534—Design of protective means for piercing elements for preventing accidental needle sticks, e.g. shields, caps, protectors, axially extensible sleeves, pivotable protective sleeves
    • A61B5/150633—Protective sleeves which are axially extensible, e.g. sleeves connected to, or integrated in, the piercing or driving device; pivotable protective sleeves
    • A61B5/150641—Protective sleeves which are axially extensible, e.g. sleeves connected to, or integrated in, the piercing or driving device; pivotable protective sleeves comprising means to impede repositioning of protection sleeve from covering to uncovering position
    • A61B5/150656—Protective sleeves which are axially extensible, e.g. sleeves connected to, or integrated in, the piercing or driving device; pivotable protective sleeves comprising means to impede repositioning of protection sleeve from covering to uncovering position semi-automatically triggered, i.e. in which the triggering of the protective sleeve requires a deliberate action by the user, e.g. manual release of spring-biased extension means
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/15—Devices for taking samples of blood
    • A61B5/150007—Details
    • A61B5/150015—Source of blood
    • A61B5/15003—Source of blood for venous or arterial blood
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/15—Devices for taking samples of blood
    • A61B5/150007—Details
    • A61B5/150374—Details of piercing elements or protective means for preventing accidental injuries by such piercing elements
    • A61B5/150381—Design of piercing elements
    • A61B5/150473—Double-ended needles, e.g. used with pre-evacuated sampling tubes
    • A61B5/150496—Details of construction of hub, i.e. element used to attach the double-ended needle to a piercing device or sampling device
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/15—Devices for taking samples of blood
    • A61B5/150007—Details
    • A61B5/150732—Needle holders, for instance for holding the needle by the hub, used for example with double-ended needle and pre-evacuated tube
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/15—Devices for taking samples of blood
    • A61B5/153—Devices specially adapted for taking samples of venous or arterial blood, e.g. with syringes
    • A61B5/154—Devices using pre-evacuated means
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/15—Devices for taking samples of blood
    • A61B5/150007—Details
    • A61B5/150374—Details of piercing elements or protective means for preventing accidental injuries by such piercing elements
    • A61B5/150381—Design of piercing elements
    • A61B5/150389—Hollow piercing elements, e.g. canulas, needles, for piercing the skin
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/15—Devices for taking samples of blood
    • A61B5/150007—Details
    • A61B5/150374—Details of piercing elements or protective means for preventing accidental injuries by such piercing elements
    • A61B5/150534—Design of protective means for piercing elements for preventing accidental needle sticks, e.g. shields, caps, protectors, axially extensible sleeves, pivotable protective sleeves
    • A61B5/150572—Pierceable protectors, e.g. shields, caps, sleeves or films, e.g. for hygienic purposes
    • 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
    • A61M5/3232—Semi-automatic needle retraction, i.e. in which triggering of the needle retraction requires a deliberate action by the user, e.g. manual release of spring-biased retraction means

Abstract

A permanently automatically retractable fluid collecting device (10) has an elongated outer protective tube member (12) having a front end (14) with a port (15) and a coaxial telescoping plunger (16) having a forward end (26) for frictionally engaging a needle holder (20) for a cannula needle (32). The plunger is slidingly mounted in the elongated tube member for selective movement in an axial direction toward and away from the front. The front end of the plunger has an opening having inwardly facing surfaces (66) for frictionally engaging outwardly facing surfaces (68) of the periphery of the needle holder (20) along a slidable axially oriented interface. When the plunger is moved forward to extend the needle from the port, a catch (48, 50) holds it in a first position. Biasing force is applied to the needle holder being frictionally held in the front of the plunger. A collection tube (72) is installable in the opening at the rear (40) of the plunger. After taking a sample and removing the collection tube, a plunger cap (42) is repositioned to allow the plunger to be moved from the first position toward a second position causing sliding separation of the plunger from the needle holder along the slidable interface. The biasing force overcomes remaining frictional holding force at the sliding interface to cause immediate and permanent retraction of the needle holder into a cavity comprising a retraction space (17) within the plunger.
CA002177263A 1993-12-16 1994-12-06 Retractable fluid collection device Expired - Lifetime CA2177263C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US168,659 1993-12-16
US08/168,659 US5423758A (en) 1993-12-16 1993-12-16 Retractable fluid collection device
PCT/US1994/013953 WO1995016389A1 (en) 1993-12-16 1994-12-06 Retractable fluid collection device

Publications (2)

Publication Number Publication Date
CA2177263A1 true CA2177263A1 (en) 1995-06-22
CA2177263C CA2177263C (en) 2004-11-09

Family

ID=22612406

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002177263A Expired - Lifetime CA2177263C (en) 1993-12-16 1994-12-06 Retractable fluid collection device

Country Status (18)

Country Link
US (1) US5423758A (en)
EP (1) EP0738124B1 (en)
JP (1) JP3574658B2 (en)
KR (1) KR100343298B1 (en)
CN (1) CN1098672C (en)
AP (1) AP602A (en)
AT (1) ATE234589T1 (en)
AU (1) AU678669B2 (en)
BR (1) BR9408302A (en)
CA (1) CA2177263C (en)
DE (1) DE69432318T2 (en)
DK (1) DK0738124T3 (en)
ES (1) ES2193187T3 (en)
NO (1) NO322640B1 (en)
OA (1) OA10295A (en)
PL (1) PL177760B1 (en)
PT (1) PT738124E (en)
WO (1) WO1995016389A1 (en)

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AP602A (en) 1997-07-28
CA2177263C (en) 2004-11-09
ES2193187T3 (en) 2003-11-01
PL314855A1 (en) 1996-09-30
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PT738124E (en) 2003-07-31
BR9408302A (en) 1997-08-26
US5423758A (en) 1995-06-13
AU678669B2 (en) 1997-06-05
ATE234589T1 (en) 2003-04-15
DE69432318D1 (en) 2003-04-24
EP0738124A4 (en) 1998-01-07
NO322640B1 (en) 2006-11-13
KR960706315A (en) 1996-12-09
CN1137228A (en) 1996-12-04
JPH09506533A (en) 1997-06-30
PL177760B1 (en) 2000-01-31
NO962484L (en) 1996-07-03
EP0738124A1 (en) 1996-10-23
DK0738124T3 (en) 2003-04-14
JP3574658B2 (en) 2004-10-06
WO1995016389A1 (en) 1995-06-22
OA10295A (en) 1997-10-07
NO962484D0 (en) 1996-06-12
AU1300495A (en) 1995-07-03
KR100343298B1 (en) 2002-11-30
AP9600841A0 (en) 1996-07-31
EP0738124B1 (en) 2003-03-19
CN1098672C (en) 2003-01-15

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