CA2291660A1 - Cap operated retractable medical device - Google Patents

Cap operated retractable medical device Download PDF

Info

Publication number
CA2291660A1
CA2291660A1 CA002291660A CA2291660A CA2291660A1 CA 2291660 A1 CA2291660 A1 CA 2291660A1 CA 002291660 A CA002291660 A CA 002291660A CA 2291660 A CA2291660 A CA 2291660A CA 2291660 A1 CA2291660 A1 CA 2291660A1
Authority
CA
Canada
Prior art keywords
cap
retraction
movable member
outer body
double ended
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
CA002291660A
Other languages
French (fr)
Other versions
CA2291660C (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.)
Retractable Technologies Inc
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 CA2291660A1 publication Critical patent/CA2291660A1/en
Application granted granted Critical
Publication of CA2291660C publication Critical patent/CA2291660C/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • A61B5/150351—Caps, stoppers or lids for sealing or closing a blood collection vessel or container, e.g. a test-tube or syringe barrel
    • 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
    • A61B5/150381—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
    • A61B5/150534—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

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Biophysics (AREA)
  • General Health & Medical Sciences (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Public Health (AREA)
  • Surgery (AREA)
  • Hematology (AREA)
  • Physics & Mathematics (AREA)
  • Molecular Biology (AREA)
  • Veterinary Medicine (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)
  • Surgical Instruments (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Table Devices Or Equipment (AREA)
  • Pens And Brushes (AREA)
  • Transmission Of Braking Force In Braking Systems (AREA)

Abstract

A cap operated retractable medical device has an outer body with a hinged connected outer cap which moves between an open and a closed position. The device is used as a blood sampler with a conventional collection tube normally used in such devices.
A movable member is entirely enclosed within the outer body. A sliding interference or friction fit holds a retraction body within the mouth of the movable member, and also holds the front end of the movable member within the outer body positioned with the retraction body adjacent a stop. A double ended needle is installed in the retraction body.
Cam protrusions on the cap engage the back of the movable member to move it forward as the cap is closed, thereby triggering retraction of the retraction body and its double ended needle entirely within the outer body. Once the cap is closed with the double ended needle safely inside, the device can be safely handled. The device is compact. It can be as short as the needles it will safely contain.
CA002291660A 1997-05-23 1998-03-30 Cap operated retractable medical device Expired - Fee Related CA2291660C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US08/862,849 US5810775A (en) 1997-05-23 1997-05-23 Cap operated retractable medical device
US08/862,849 1997-05-23
PCT/US1998/006223 WO1998052630A1 (en) 1997-05-23 1998-03-30 Cap operated retractable medical device

Publications (2)

Publication Number Publication Date
CA2291660A1 true CA2291660A1 (en) 1998-11-26
CA2291660C CA2291660C (en) 2007-11-06

Family

ID=25339534

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002291660A Expired - Fee Related CA2291660C (en) 1997-05-23 1998-03-30 Cap operated retractable medical device

Country Status (10)

Country Link
US (2) US5810775A (en)
EP (2) EP1656962B1 (en)
JP (1) JP3625846B2 (en)
AT (2) ATE317274T1 (en)
CA (1) CA2291660C (en)
DE (2) DE69833428T2 (en)
DK (2) DK1656962T3 (en)
ES (2) ES2312054T3 (en)
PT (1) PT1656962E (en)
WO (1) WO1998052630A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9408983B2 (en) 2004-09-03 2016-08-09 L.O.M. Laboratories Inc. Single-use pneumatic safety syringe providing gas-driven needle retraction
US10765815B2 (en) 2014-10-31 2020-09-08 L.O.M. Laboratories Inc. Retractable needle syringe

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US9408983B2 (en) 2004-09-03 2016-08-09 L.O.M. Laboratories Inc. Single-use pneumatic safety syringe providing gas-driven needle retraction
US9649450B2 (en) 2004-09-03 2017-05-16 L.O.M. Laboratories Inc. Single use pneumatic safety syringe providing gas-driven needle retraction
US10335555B2 (en) 2004-09-03 2019-07-02 L.O.M. Laboratories Inc. Single-use pneumatic safety syringe providing gas-driven needle retraction
US10765815B2 (en) 2014-10-31 2020-09-08 L.O.M. Laboratories Inc. Retractable needle syringe

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DE69839928D1 (en) 2008-10-02
EP0983100A4 (en) 2004-04-21
ES2256932T3 (en) 2006-07-16
ATE405307T1 (en) 2008-09-15
DK1656962T3 (en) 2008-12-01
EP0983100B1 (en) 2006-02-08
ATE317274T1 (en) 2006-02-15
CA2291660C (en) 2007-11-06
EP1656962A3 (en) 2006-06-07
DE69833428D1 (en) 2006-04-20
WO1998052630A1 (en) 1998-11-26
DK0983100T3 (en) 2006-05-15
EP1656962B1 (en) 2008-08-20
ES2312054T3 (en) 2009-02-16
JP2002502277A (en) 2002-01-22
USRE39107E1 (en) 2006-05-23
DE69833428T2 (en) 2006-09-28
EP0983100A1 (en) 2000-03-08
PT1656962E (en) 2008-10-01
US5810775A (en) 1998-09-22
JP3625846B2 (en) 2005-03-02
EP1656962A2 (en) 2006-05-17

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