CA2483454A1 - Safety shield for medical needles - Google Patents

Safety shield for medical needles Download PDF

Info

Publication number
CA2483454A1
CA2483454A1 CA002483454A CA2483454A CA2483454A1 CA 2483454 A1 CA2483454 A1 CA 2483454A1 CA 002483454 A CA002483454 A CA 002483454A CA 2483454 A CA2483454 A CA 2483454A CA 2483454 A1 CA2483454 A1 CA 2483454A1
Authority
CA
Canada
Prior art keywords
needle
recited
binding
shield apparatus
medical
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
CA002483454A
Other languages
French (fr)
Other versions
CA2483454C (en
Inventor
F. Mark Ferguson
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.)
Specialized Health Products 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 CA2483454A1 publication Critical patent/CA2483454A1/en
Application granted granted Critical
Publication of CA2483454C publication Critical patent/CA2483454C/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
    • 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
    • A61M25/00—Catheters; Hollow probes
    • A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
    • A61M25/06—Body-piercing guide needles or the like
    • A61M25/0612—Devices for protecting the needle; Devices to help insertion of the needle, e.g. wings or holders
    • A61M25/0618—Devices for protecting the needle; Devices to help insertion of the needle, e.g. wings or holders having means for protecting only the distal tip of the needle, e.g. a needle guard
    • 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
    • A61M25/00—Catheters; Hollow probes
    • A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
    • A61M25/06—Body-piercing guide needles or the like
    • A61M25/0612—Devices for protecting the needle; Devices to help insertion of the needle, e.g. wings or holders
    • A61M25/0618—Devices for protecting the needle; Devices to help insertion of the needle, e.g. wings or holders having means for protecting only the distal tip of the needle, e.g. a needle guard
    • A61M25/0625—Devices for protecting the needle; Devices to help insertion of the needle, e.g. wings or holders having means for protecting only the distal tip of the needle, e.g. a needle guard with a permanent connection to the needle hub, e.g. a guiding rail, a locking mechanism or a guard advancement mechanism
    • 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
    • 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
    • A61M5/3273—Means for protection against accidental injuries by used needles being axially-extensible, e.g. protective sleeves coaxially slidable on the syringe barrel freely sliding on needle shaft without connection to syringe or 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
    • A61M5/178—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
    • A61M5/3275—Means for protection against accidental injuries by used needles being axially-extensible, e.g. protective sleeves coaxially slidable on the syringe barrel being connected to the needle hub or syringe by radially deflectable members, e.g. longitudinal slats, cords or bands
    • 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
    • A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
    • A61M5/158—Needles for infusions; Accessories therefor, e.g. for inserting infusion needles, or for holding them on the body
    • A61M2005/1581—Right-angle needle-type devices
    • 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
    • A61M2005/325—Means obstructing the needle passage at distal end of a needle protection sleeve
    • 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
    • A61M25/00—Catheters; Hollow probes
    • A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
    • A61M25/06—Body-piercing guide needles or the like
    • A61M25/0612—Devices for protecting the needle; Devices to help insertion of the needle, e.g. wings or holders
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S128/00—Surgery
    • Y10S128/917—Body fluid, devices for protection therefrom, e.g. aids, hepatitus
    • Y10S128/919—Syringe, means to protect user

Abstract

A medical needle shield apparatus (10) is provided which is slidably movable along a medical needle (16) from a proximal position where a distal end of the needle is exposed, to a distal position where the shield (10) protects the distal end of the needle (16). The medical needle shield apparatus (10) includes a binding member (18) having an aperture through which the needle (16) passes. The binding member (18) also has binding surfaces (22) for binding to a medical needle (16). The shield apparatus also includes a retainer (24) integral with the binding member (18)and in communication with the needle (16) for temporarily retaining the binding surfaces (22) in a non-binding position relative to the needle (16). The shield apparatus (10) also includes a positioning member (26) for positioning the binding surfaces (2) to secure the shield (10) to the needle (16) when a portion of the retainer(36) in contact with the needle (16) is advanced past the distal end of the needle (16).

Claims (24)

1 A medical needle shield apparatus comprising:
a shield slidably movable along a medical needle from a proximal position where a distal end of the needle is exposed, to a distal position where the shield protects the distal end of the needle, said shield comprising:
a binding member having an aperture through which the needle passes, said aperture having binding surfaces;
a retainer integral with the binding member and in communication with the needle for temporarily retaining the binding surfaces in a non-binding position relative to the needle; and a positioning member for positioning the binding surfaces to secure the shield to the needle when a portion of the retainer in contact with the needle is advanced past the distal end of the needle and allows the retainer to release from the needle and move out of an axial path defined by the needle.
2. A medical needle shield apparatus as recited in claim 1, further comprising a housing for enclosing the shield, wherein the housing includes openings for the needle to pass through.
3. A medical needle shield apparatus as recited in claim 2, wherein the housing further comprises first and second blocking members for urging the binding member into a binding orientation.
4. A medical needle shield apparatus as recited in claim 1, wherein the positioning member comprises a leaf spring integral to the binding member.
5. A medical needle shield apparatus as recited in claim 1, wherein the positioning member comprises a resilient portion integral to the binding member.
6. A medical needle shield apparatus as recited in claim 1, wherein the positioning member comprises one or more friction elements disposed on the medical needle.
7. A medical needle shield apparatus as recited in claim 1, wherein the one or more friction elements are integral to the binding member.
8. A medical needle shield apparatus as recited in claim 1, wherein the positioning member comprises a unitary friction element disposed on the medical needle.
9. A medical needle shield apparatus as recited in claim 8, wherein the unitary friction element includes first and second surfaces for canting the binding member and the binding member aperture is disposed between the first and second surfaces.
10. A medical needle shield apparatus as recited in claim 1, wherein the portion on the retainer in contact with the needle further includes a slot extending therefrom.
11. A medical needle shield apparatus as recited in claim 1, further comprising a second shield for protecting a distal end of a stylet or other element passed through a bore of the needle.
12. A medical needle shield apparatus as recited in claim 1, further comprising a housing for enclosing the shield, wherein the housing includes openings for the needle to pass through.
13. A medical needle shield apparatus as recited in claim 12, wherein the housing further comprises first and second blocking members for urging the binding member into a binding orientation.
14. A medical needle shield apparatus as recited in claim 1, wherein the positioning member comprises a leaf spring integral to the binding member.
15. A medical needle shield apparatus as recited in claim 1, wherein the positioning member comprises one or more friction elements disposed on the medical needle.
16. A medical needle shield apparatus as recited in claim 15, wherein the one or more friction elements are integral to the binding member.
17. A medical needle shield apparatus as recited in claim 1, wherein the positioning member comprises a unitary friction element disposed on the medical needle.
18. A medical needle shield apparatus as recited in claim 17, wherein the unitary friction element includes first and second surfaces for canting the binding member and the binding member aperture is disposed between the first and second surfaces.
19. A medical needle shield apparatus as recited in claim 1, wherein the portion on the retainer in contact with the needle further includes a slot extending therefrom.
20. A medical needle shield apparatus as recited in claim 1, further comprising a second shield for protecting a distal end of a stylet or other element passed through a bore of the needle.
21. A medical needle shield apparatus as recited in claim 1, further comprising a leaf spring integral to the binding member for positioning the binding surfaces to secure the shield to the needle when a portion of the retainer in contact with the needle is advanced past the distal end of the needle and allows the retainer to release from the needle and move out of an axial path defined by the needle.
22. A medical needle shield apparatus as recited in claim 1, further comprising one or more friction elements disposed on the medical needle for positioning the binding surfaces to secure the shield to the needle when a portion of the retainer in contact with the needle is advanced past the distal end of the needle and allows the retainer to release from the needle.
23. A medical needle shield apparatus as recited in claim 1, further comprising a unitary friction element disposed on the needle and having first and second surfaces disposed fore and aft of the binding member aperture for canting the binding member and positioning the binding surfaces to secure the shield to the needle when a portion of the retainer in contact with the needle is advanced past the distal end of the needle and allows the retainer to release from the needle.
24. A medical needle shield apparatus as recited in claim 1, further comprising one or more friction elements integral with the binding member and disposed on the medical needle for positioning the binding surfaces to secure the shield to the needle when a portion of the retainer in contact with the needle is advanced past the distal end of the needle and allows the retainer to release from the needle.
CA2483454A 2002-07-23 2003-07-14 Safety shield for medical needles Expired - Lifetime CA2483454C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US10/202,201 US6902546B2 (en) 2001-03-15 2002-07-23 Safety shield for medical needles
US10/202,201 2002-07-23
PCT/US2003/022093 WO2004014464A1 (en) 2002-07-23 2003-07-14 Safety shield for medical needles

Publications (2)

Publication Number Publication Date
CA2483454A1 true CA2483454A1 (en) 2004-02-19
CA2483454C CA2483454C (en) 2011-01-18

Family

ID=31714200

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2483454A Expired - Lifetime CA2483454C (en) 2002-07-23 2003-07-14 Safety shield for medical needles

Country Status (12)

Country Link
US (4) US6902546B2 (en)
EP (1) EP1523352B1 (en)
JP (1) JP2005533617A (en)
KR (1) KR20050025185A (en)
CN (1) CN100525851C (en)
AU (1) AU2003256547B2 (en)
BR (1) BR0311672B1 (en)
CA (1) CA2483454C (en)
ES (1) ES2436042T3 (en)
MX (1) MXPA04012261A (en)
NZ (1) NZ536569A (en)
WO (1) WO2004014464A1 (en)

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