CA2545208A1 - Resettable safety shield for medical needles - Google Patents

Resettable safety shield for medical needles Download PDF

Info

Publication number
CA2545208A1
CA2545208A1 CA002545208A CA2545208A CA2545208A1 CA 2545208 A1 CA2545208 A1 CA 2545208A1 CA 002545208 A CA002545208 A CA 002545208A CA 2545208 A CA2545208 A CA 2545208A CA 2545208 A1 CA2545208 A1 CA 2545208A1
Authority
CA
Canada
Prior art keywords
needle
shield
recited
medical needle
binding
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
CA002545208A
Other languages
French (fr)
Other versions
CA2545208C (en
Inventor
Jeremy K. Snow
F. Mark Ferguson
Daniel K. Smith
Roy L. Barrus
Donald D. Solomon
David L. Thorne
Bradley J. Vanderstek
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
Specialized Health Products, Inc.
Jeremy K. Snow
F. Mark Ferguson
Daniel K. Smith
Roy L. Barrus
Donald D. Solomon
David L. Thorne
Bradley J. Vanderstek
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
Priority claimed from US10/721,526 external-priority patent/US7179244B2/en
Priority claimed from US10/739,868 external-priority patent/US7413562B2/en
Application filed by Specialized Health Products, Inc., Jeremy K. Snow, F. Mark Ferguson, Daniel K. Smith, Roy L. Barrus, Donald D. Solomon, David L. Thorne, Bradley J. Vanderstek filed Critical Specialized Health Products, Inc.
Publication of CA2545208A1 publication Critical patent/CA2545208A1/en
Application granted granted Critical
Publication of CA2545208C publication Critical patent/CA2545208C/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • 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
    • 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
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
    • A61B90/08—Accessories or related features not otherwise provided for
    • A61B2090/0801—Prevention of accidental cutting or pricking
    • 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
    • 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
    • A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
    • A61M39/02—Access sites
    • A61M39/0208—Subcutaneous access sites for injecting or removing fluids
    • 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
    • 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
    • A61M5/46—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 controlling depth of insertion

Abstract

A medical needle shield apparatus is provided that includes a needle hub (104) having an outer needle cannula (103) extending therefrom. An inner needle (106) is disposed for slidable movement with the outer needle cannula (103).
At least one shield (101) is extensible from a retracted position to an extended position to enclose a distal end of the inner needle (101). The shield (101)includes a binding member (105) disposed within the shield (101) and defines binding surfaces (122) that form an aperture (138) configured for slidable receipt of the inner needle (106). The binding member (105) includes a binding member reset surface (107) aligned with a reset surface (108) for engagement therewith to allow reuse of a shielded needle apparatus.

Claims (27)

1. A medical needle shield apparatus comprising:
a needle hub having a needle cannula extending therefrom to a distal end; and at least one shield being extensible from a retracted position to an extended position to enclose a distal end of the needle, the shield including a binding member disposed within the shield and defining binding surfaces that form an aperture configured for slidable receipt of the needle between the retracted position and the extended position, the binding member including at least one drag inducing member such that the at least one drag inducing member engages the needle during slidable receipt of the needle to create a drag force with the needle, the drag force and shield facilitating rotation of the binding member relative to a longitudinal axis of the needle such that the binding surfaces engage the needle to prevent slidable movement of the needle in the extended position of the shield, the binding member further including a needle communicating surface extending therefrom such that the needle communicating surface is engageable with the needle to prevent rotation of the binding member, a retainer for releasable engagement with the needle hub, and the binding member further including a binding member reset surface selectably alignable with a reset surface.
2. A medical needle shield apparatus as recited in claim 1, wherein the at least one drag inducing member defines a cavity that is substantially aligned with the aperture, the cavity being configured for slidable receipt of the needle to create the drag force with the needle.
3. A medical needle shield apparatus as recited in claim 1, wherein the binding member includes a substantially planar aperture plate that includes the binding surfaces that form the aperture.
4. A medical needle shield apparatus as recited in claim 3, wherein the at least one drag inducing member includes a pair of arms extending from the aperture plate.
5. A medical needle shield apparatus as recited in claim 3, wherein the arm includes a deflectable member.
6. A medical needle shield apparatus as recited in claim 1, wherein the binding member is rotatable, relative to a longitudinal axis of the inner needle, between a non-binding orientation whereby the inner needle is slidable relative to the binding member and a binding orientation whereby the binding surfaces engage the inner needle to prevent slidable movement of the inner needle in the extended position of the at least one shield.
7. A medical needle shield apparatus as recited in claim 1, wherein the shield includes a housing that defines at least one blocking member extending from a surface thereof, the at least one blocking member being engageable with the binding member for urging the binding member to a binding orientation.
8. A medical needle shield apparatus as recited in claim 3, wherein the shield includes a housing that defines at least one blocking member extending from a surface thereof, the aperture plate being axially movable for engagement with the at least one blocking member that causes rotation of the binding member to a binding orientation.
9. A medical needle shield apparatus as recited in claim 1, wherein the at least one shield is supported for relative rotational movement by at least one bearing.
10. A medical needle shield apparatus as recited in claim 1, wherein the needle is attached to a handle for manipulation thereof.
11. A medical needle shield apparatus as recited in claim 1, wherein the needle hub is releasably mountable with a housing of the at least one shield.
12. A medical needle shield apparatus as recited in claim 1, wherein the needle hub defines a hub slot that is configured to receive the retainer of the binding member.
13. A medical needle shield apparatus as recited in claim 1, wherein the binding member includes at least one outwardly arcuate arm that extends to the needle communicating surface.
14. A medical needle shield apparatus as recited in claim 1, further comprising a plurality of shields.
15. A medical needle shield apparatus as recited in claim 1, wherein said binding member reset surface comprises the distal facing surface of said retainer.
16. A medical needle shield apparatus as recited in claim 1, wherein said reset surface is configured to deflect said binding member reset surface to facilitate rotation of the binding member relative to said longitudinal axis such that said binding surface disengages the inner needle.
17. A medical needle shield according to claim 1, wherein said medical needle is adapted for bone biopsy.
18. A medical needle shield apparatus as recited in claim 1, wherein said reset surface is separate from said hub and urged by a spring toward said binding member reset surface.
19. A medical needle shield apparatus of claim 18, further comprising a luer male taper configured with said hub.
20. A medical needle shield according to claim 1, further comprising a protective needle sheath member.
21. A medical needle shield apparatus as recited in claim 1, wherein the shield includes a probe guide at a distal end thereof configured for receipt of an obturator, the obturator being configured for slidable movement with the needle cannula.
22. A medical needle shield according to claim 1, further comprising a retention element.
23. A medical needle shield according to claim 1, further comprising a guiding member for guiding through-the-needle devices.
24. A medical needle shield according to claim 1, further comprising a funnel for guiding an obturator.
25. A medical needle shield according to claim 1, further comprising a detent disposed between the needle hub and the shield.
26. A medical needle shield according to claim 1, wherein said shield further comprises a flexible funnel.
27. A medical needle shield according to claim 1, wherein said shield further comprises a depth stop.
CA2545208A 2003-11-25 2004-11-23 Resettable safety shield for medical needles Active CA2545208C (en)

Applications Claiming Priority (9)

Application Number Priority Date Filing Date Title
US10/721,526 US7179244B2 (en) 2001-03-15 2003-11-25 Resettable safety shield for medical needles
US10/721,526 2003-11-25
US10/739,868 2003-12-18
US10/739,868 US7413562B2 (en) 2001-03-15 2003-12-18 Safety shield for medical needles
US60856504P 2004-09-10 2004-09-10
US60/608,565 2004-09-10
US62239204P 2004-10-27 2004-10-27
US60/622,392 2004-10-27
PCT/US2004/039400 WO2005053774A1 (en) 2003-11-25 2004-11-23 Resettable safety shield for medical needles

Publications (2)

Publication Number Publication Date
CA2545208A1 true CA2545208A1 (en) 2005-06-16
CA2545208C CA2545208C (en) 2011-02-22

Family

ID=43608520

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2545208A Active CA2545208C (en) 2003-11-25 2004-11-23 Resettable safety shield for medical needles

Country Status (8)

Country Link
US (1) US8096973B2 (en)
EP (1) EP1696979B1 (en)
JP (1) JP4712720B2 (en)
AU (1) AU2004294938B2 (en)
BR (1) BRPI0416771B8 (en)
CA (1) CA2545208C (en)
NZ (1) NZ546609A (en)
WO (1) WO2005053774A1 (en)

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BRPI0416771A (en) 2007-02-27
BRPI0416771B1 (en) 2015-11-17
US8096973B2 (en) 2012-01-17
CA2545208C (en) 2011-02-22
JP4712720B2 (en) 2011-06-29
EP1696979B1 (en) 2012-08-08
AU2004294938A1 (en) 2005-06-16
WO2005053774A1 (en) 2005-06-16
BRPI0416771B8 (en) 2021-06-22
US20070106231A1 (en) 2007-05-10
EP1696979A4 (en) 2009-01-14
JP2007512113A (en) 2007-05-17
AU2004294938B2 (en) 2010-11-18
EP1696979A1 (en) 2006-09-06

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