WO2007033141B1 - Arterial syringe safety vent - Google Patents

Arterial syringe safety vent

Info

Publication number
WO2007033141B1
WO2007033141B1 PCT/US2006/035434 US2006035434W WO2007033141B1 WO 2007033141 B1 WO2007033141 B1 WO 2007033141B1 US 2006035434 W US2006035434 W US 2006035434W WO 2007033141 B1 WO2007033141 B1 WO 2007033141B1
Authority
WO
WIPO (PCT)
Prior art keywords
needle
housing
arterial
providing
capture
Prior art date
Application number
PCT/US2006/035434
Other languages
French (fr)
Other versions
WO2007033141A2 (en
WO2007033141A3 (en
Inventor
Robert Joseph Henshaw
Original Assignee
Robert Joseph Henshaw
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 Robert Joseph Henshaw filed Critical Robert Joseph Henshaw
Publication of WO2007033141A2 publication Critical patent/WO2007033141A2/en
Publication of WO2007033141A3 publication Critical patent/WO2007033141A3/en
Publication of WO2007033141B1 publication Critical patent/WO2007033141B1/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
    • A61M5/3213—Caps placed axially onto the needle, e.g. equipped with finger protection guards
    • 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
    • A61M5/3216—Caps placed transversally onto the needle, e.g. pivotally attached to the needle base
    • 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
    • A61M5/3213—Caps placed axially onto the needle, e.g. equipped with finger protection guards
    • A61M2005/3215—Tools enabling the cap placement
    • 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
    • A61M5/3145—Filters incorporated in syringes

Abstract

An arterial syringe safety vent that is dually optimized for needle safety and arterial blood degassing efficiency is presented. In an exemplary embodiment, the device of the present invention is self-supporting on a horizontal surface so that a degassing procedure can be performed single-handedly. The arterial syringe safety vent can include a housing adapted to receive a hypodermic needle; a needle lock to capture and retain the hypodermic needle; a venting portion; and a penetrable membrane adapted to allow the needle sealed access to the venting portion so that a blood sample can be safely purged. The arterial syringe safety vent can be adapted to receive a needle capture device in a manner that allows movement in relation to the needle capture device so that a needle secured within the needle capture device can penetrate the penetrable membrane and the arterial syringe safety vent can engage the needle capture device.

Claims

AMENDED CLAIMS received by the International Bureau on 02 July 2007 (02.07.2007)
I claim:
1. An arterial syringe apparatus, comprising: a housing having first and second opposing open ends; a neeclle lock adapted to unreleasably capture a hypodermic needle; a penetrable membrane; and a venting portion comprising a filter fixed between said second end and said penetrable membrane, said filter capable of preventing liquid from flowing from said second end; wherein, said needle lock is adapted to allow said needle's tip to pierce said membrane, after which said needle's tip is locked between said membrane and said venting portion.
2. The arterial syringe apparatus of claim 1, wherein said needle lock comprises at least one capture flute adapted to provide an interference fit with at least one needle hub flute of an arterial syringe.
3. The arterial syringe apparatus of claim 1, wherein said needle lock comprises a clamshell needle lock.
4. The arterial syringe apparatus of claim 3, further comprising: at least one leaf spring; and a catch.
6. The arterial syringe apparatus of claim 1 , wherein said penetrable membrane is provided between said needle lock and said second end.
7. The arterial syringe apparatus of claim 1 , wherein said venting portion is provided between said penetrable membrane and said second end.
8. The arterial syringe apparatus of claim 1, wherein said housing is adapted to be self-supporting on a horizontal surface so that said first end is adapted to receive a downwardly oriented hypodermic needle of an arterial syringe.
9. The arterial syringe apparatus of claim 8, wherein said housing comprises at least one leg.
10. The arterial syringe apparatus of claim 1 , wherein said housing is adapted to receive a needle capture device and allow movement of said housing along said received needle capture device.
11. The arterial syringe apparatus of claim 10, wherein said housing is adapted to engage and unreleasably capture said needle capture device.
12. The arterial syringe, apparatus of claim 1 , wherein said first and second opposing ends are open.
13. An arterial syringe apparatus, comprising, a housing; a penetrable membrane; and a venting portion, wherein said housing is adapted to couple with a needle capture device to permit movement of said housing in relation to said needle capture device to allow a needle unreleasably captured within said needle capture device to penetrate said penetrable membrane, so that after piercing the membrane, said needle's tip is locked between said membrane and said venting portion.
14. The arterial syringe apparatus of claim 13, wherein said housing is adapted to engage and unreleasably capture said needle capture device.
15. The arterial syringe apparatus of claim 13, wherein said housing comprises first and second opposing ends.
16. The arterial syringe apparatus of claim 16, wherein said venting portion is provided between said penetrable membrane and said second opposing end.
17. The arterial syringe apparatus of claim 15, wherein said venting portion comprises a filter capable of preventing the flow of liquid through said second end.
18. An arterial syringe degassing device, comprising: a needle capture means adapted to unreleasably capture a hypodermic needle of an arterial syringe; a housing; a penetrable membrane; and a venting portion, wherein said housing is adapted to couple with said needle capture means in a manner that allows movement in relation to said needle capture means so that a needle secured within said needle capture means can penetrate said penetrable membrane, so that after said penetration said needle's tip is locked between said membrane and said venting portion.
19. The arterial syringe degassing device of claim 18, wherein said housing is adapted to engage and unreleasably capture said needle capture means.
20. The arterial syringe degassing device of claim 18, wherein said housing comprises first and second opposing ends.
21. The arterial syriπøe degassing device of claim 20, wherein said venting portion comprises a filter which prevents the flow of fluid through said second end.
22. A method for purging gases from an arterial blood gas sample, comprising: providing a syringe with plunger and needle containing an arterial blood gas sample; providing an arterial syringe apparatus comprising, a housing with first and second opposing ends, a penetrable membrane, and a venting means, consisting of a filter fixed between said penetrable membrane and said second end; inserting a needle of said syringe into the housing sufficiently deep to pierce said penetrable membrane; unreleasably capturing the needle of said syringe; locking said needle's tip between said penetrable membrane and said! venting means; advancing the plunger within said syringe to expel entrapped gas f ronji said arterial blood gas sample through the needle end of said syringe until the collected blood makes contact with said filter; and containing expelled blood between said penetrable membrane and said second end. i
23. A method of providing an arterial syringe apparatus, comprising, providing a housing having first and second opposing ends; providing a needle lock adapted to unreleasably capture a hypodeπηic needle; providing a penetrable membrane; and providing a venting portion, wherein said needle lock is adapted to lock said needle's tip between said penetrable membrane and said venting portion.
24. The method of claim 23, wherein said providing a needle lock comprises providing at least one capture flute,
25. The method of claim 23, wherein said providing a needle lock comjprises providing a clamshell lock.
26. The method of claim 23, wherein said providing a venting portion comprises providing a filter which prevents the flow of fluid through said second ehd.
27. A method of providing an arterial syringe degassing device, comprising; providing a housing; providing a penetrable membrane; and providing a venting portion, wherein said providing a housing comprises providing a housing adapHed to couple with a needle capture device to permit movement of said housing in relation to said needle capture device to allow a, needle captured by said needle captgre device to penetrate said penetrable membrane, so that said needle's tip is locked between said membrane and said venting portion.
28. The method of claim 27, further comprising providing a needle capture device.
29. The method of claim 22, further comprising providing a needle caplture means adapted to unreleasably capture said needle.
PCT/US2006/035434 2005-09-13 2006-09-12 Arterial syringe safety vent WO2007033141A2 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US22688805A 2005-09-13 2005-09-13
US11/226,888 2005-09-13
US11/376,649 US7322941B2 (en) 2005-09-13 2006-03-15 Arterial syringe safety vent
US11/376,649 2006-03-15

Publications (3)

Publication Number Publication Date
WO2007033141A2 WO2007033141A2 (en) 2007-03-22
WO2007033141A3 WO2007033141A3 (en) 2007-06-28
WO2007033141B1 true WO2007033141B1 (en) 2007-08-16

Family

ID=37865507

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2006/035434 WO2007033141A2 (en) 2005-09-13 2006-09-12 Arterial syringe safety vent

Country Status (2)

Country Link
US (1) US7322941B2 (en)
WO (1) WO2007033141A2 (en)

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US8622985B2 (en) * 2007-06-13 2014-01-07 Carmel Pharma Ab Arrangement for use with a medical device
US8029747B2 (en) 2007-06-13 2011-10-04 Carmel Pharma Ab Pressure equalizing device, receptacle and method
US8657803B2 (en) 2007-06-13 2014-02-25 Carmel Pharma Ab Device for providing fluid to a receptacle
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US10398834B2 (en) * 2007-08-30 2019-09-03 Carmel Pharma Ab Device, sealing member and fluid container
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Also Published As

Publication number Publication date
WO2007033141A2 (en) 2007-03-22
US7322941B2 (en) 2008-01-29
WO2007033141A3 (en) 2007-06-28
US20070060841A1 (en) 2007-03-15

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