WO2001023029A1 - Compact needle point shield - Google Patents

Compact needle point shield Download PDF

Info

Publication number
WO2001023029A1
WO2001023029A1 PCT/US2000/025542 US0025542W WO0123029A1 WO 2001023029 A1 WO2001023029 A1 WO 2001023029A1 US 0025542 W US0025542 W US 0025542W WO 0123029 A1 WO0123029 A1 WO 0123029A1
Authority
WO
WIPO (PCT)
Prior art keywords
needle
catheter
introducer needle
needle shield
introducer
Prior art date
Application number
PCT/US2000/025542
Other languages
French (fr)
Inventor
Greg L. Brimhall
Original Assignee
Becton, Dickinson And Company
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=23602717&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=WO2001023029(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Becton, Dickinson And Company filed Critical Becton, Dickinson And Company
Priority to JP2001526237A priority Critical patent/JP2003510137A/en
Priority to BR0014278-6A priority patent/BR0014278A/en
Priority to AU74967/00A priority patent/AU765557B2/en
Priority to ES00963576T priority patent/ES2324018T5/en
Priority to EP00963576A priority patent/EP1214115B2/en
Priority to DE60042164T priority patent/DE60042164D1/en
Publication of WO2001023029A1 publication Critical patent/WO2001023029A1/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
    • 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
    • A61M5/3245—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
    • 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

Definitions

  • the subject invention relates to a catheter and introducer needle assembly that includes a needle shield that will safely shield the sharp distal tip of the introducer needle after the needle has been used to insert the catheter into a patient
  • IV catheters are used for infusing fluid, such as normal saline solution, various medicaments and total parenteral nutrition, into a patient or withdrawing blood from a patient
  • Peripheral IV catheters tend to be relatively short, and are on the order of about one and one-half inches in length
  • the most common type of IV catheter is an over the needle peripheral IV catheter
  • an over the needle catheter is mounted over an introducer needle having a sharp distal tip
  • the catheter and the introducer needle are assembled so that the distal tip of the introducer needle extends beyond the distal tip of the catheter with the bevel of the needle facing up away from the patient's skin
  • the catheter and introducer needle assembly is inserted at a shallow angle through the patient's skin into a peripheral blood vessel, i e a smaller blood vessel that is not connected directly to the heart but is one of the branches of the central blood vessels that is directly connected to the heart
  • the clinician confirms that there is flashback of blood in the needle and in a flashback chamber located at the proximal end of the needle, which is typically formed as part of the needle hub
  • the clinician applies pressure to the blood vessel by pressing down on the patient's skin over the distal tip of the introducer needle and the catheter This finger pressure occludes further blood flow through the introducer needle
  • the clinician withdraws the introducer needle, leaving the catheter in place, and attaches a fluid handling device to the catheter hub Once the introducer needle is withdrawn from the catheter, it is a "blood contaminated sharp" and must be properly handled
  • needle shields As a result of the problem of accidental needlesticks by "blood contaminated sharps", various needle shields have been developed Generally, such needle shields work for their intended purpose but could be improved For example, some needle shields are bulky, difficult to use or require special features or techniques to be operative
  • the catheter and introducer needle assembly with needle shield of this invention includes a catheter having a distal end and a proximal end connected to the distal end of a catheter hub
  • the introducer needle has a sharp distal tip and a proximal end connected to the distal end of a needle hub
  • a flashback chamber is defined in the needle hub
  • a vented plug is located in the open proximal end of the flashback chamber to allow air to escape from the flashback chamber when blood enters the flashback chamber from the introducer needle
  • the catheter is coaxially disposed over the introducer needle so the sharp distal tip of the introducer needle is distal of the distal end of the catheter
  • the introducer needle also defines, along a distal portion thereof, an enlarged diameter portion
  • the needle shield includes a main body portion defining a main chamber into which the introducer needle extends, a proximal opening and a distal opening
  • the proximal opening has a diameter sufficient to allow the proximal portion of the introducer needle to extend therethrough but that is too small to allow the enlarged diameter portion of the introducer needle to pass therethrough
  • the enlarged diameter portion of the needle in cooperation with the size of the proximal opening prevents unwanted proximal movement of the introducer needle with respect to the needle shield once the introducer needle has been withdrawn into the needle shield after use
  • a separate telescoping element may be disposed in the needle shield to cooperate with the enlarged diameter portion of the introducer needle to prevent unwanted proximal movement of the introducer needle
  • a movable transverse barrier adjacent to the distal opening to the needle shield flexes out of the way to allow the introducer needle to be withdrawn proximally into the main chamber Once the sharp distal tip of the needle has been withdrawn proximal of the distal
  • the needle shield is sized so that it fits snugly within the catheter hub There should be an interference fit between the outside of the needle shield and the inside of the catheter hub so that the needle shield cannot be easily removed from the catheter hub Conversely, the interference fit should not be so tight as to cause difficulty in removing the needle shield from the catheter hub when desired
  • FIG 1 is a perspective view of the catheter and introducer needle assembly with the compact needle shield of this invention
  • FIG 2 is an exploded perspective view of the catheter and introducer needle assembly with the compact needle shield of this invention
  • FIG 3 is an exploded perspective view of the compact needle shield of this invention
  • FIG 4 is a cross-sectional view of one embodiment of the catheter and introducer needle assembly with the compact needle shield of this invention
  • FIG 5 is an enlarged cross-sectional view of one embodiment of the compact needle shield disposed in the catheter hub with the the sharp distal tip of the introducer needle distal of the compact needle shield,
  • FIG 6 is a cross-sectional view of one embodiment of the compact needle shield removed from the catheter hub with the sharp distal tip of the introducer needle locked in the compact needle shield,
  • FIG 7 is an enlarged cross-sectional view of one embodiment of the compact needle shield with the sharp distal tip of the introducer needle locked in the compact needle shield,
  • FIG 8 is an enlarged cross-sectional view similar to FIG 5 but with a different transverse barrier disposed in the compact needle shield,
  • FIG 9 is an enlarged cross-sectional view similar to FIG 5 but of a second embodiment of the compact needle shield.
  • FIG 10 is an enlarged cross-sectional view of the second embodiment of the compact needle shield removed from the catheter hub with the sharp distal tip of the introducer needle locked in the compact needle shield
  • proximal refers to a location on the catheter and introducer needle assembly with the compact needle shield of this invention closest to the clinician using the device and farthest from the patient in connection with whom the device is used when the device is used in its normal operation
  • distal refers to a location on the catheter and introducer needle assembly with the compact needle shield of this invention farthest from the clinician using the device and closest to the patient in connection with whom the device is used when the device is used in its normal operation
  • the catheter and introducer needle assembly with the compact needle shield of this invention is identified generally by the numeral 10 It includes a catheter assembly 20 and an introducer needle assembly 30 that includes a needle shield 40
  • Catheter assembly 20 includes a catheter 21 that has a proximal end, a distal end and a catheter hub 24 affixed to the proximal end of catheter 21
  • Suitable materials for catheter 21 include, but are not limited to, thermoplastic resins such as polytetrafluoroethylene (PTFE), fluonnated ethylene propylene copolymer (FEP), polyurethane and the like
  • catheter 21 is formed from a thermoplastic hydrophi c polyurethane that softens with exposure to physiological conditions present in the patient's body
  • Suitable materials for catheter hub 24 include, but are not limited to, thermoplastic polymeric resins such as polycarbonate, polystyrene, polypropylene and the like
  • Catheter hub 24 may include a radially outwardly extending tab, not shown, which is useful for advancing catheter 21 into the patient's blood vessel
  • Introducer needle assembly 30 includes introducer needle 31 having a sharp distal tip defined by bevel 32 and a proximal end connected to needle hub 34
  • Introducer needle 31 is preferably formed from stainless steel
  • Needle hub 34 can include an integrated flashback chamber having an open proximal end
  • Needle hub 34 is preferably formed from the same types of materials that are used to form catheter hub 24
  • the open proximal end of needle hub 34 is closed to fluid flow by a vented plug 36 which allows air but not liquid, such as blood, to flow therethrough
  • Introducer needle assembly 30 also includes needle shield 40 which includes mam body portion 41 and which in turn defines a main chamber 42 having a proximal opening 43
  • a cap 47 covers the distal end of mam chamber 42 and defines a distal opening 44 therein
  • the diameter of proximal opening 43 is slightly larger than the diameter of the main portion of introducer needle 31
  • Mam body portion 41 also includes a flexible transverse barrier 46 which is held in place over the distal end of mam chamber 42 by cap 47 so as to occlude distal opening 44
  • Transverse barrier 46 allows the sharp distal tip of introducer needle 31 to be withdrawn into needle shield 40 but thereafter prevents reexposure of the sharp distal tip through distal opening 44
  • Needle shield 40 is sized so that it fits snugly within catheter hub 24 There should be enough interference between the outside of needle shield 40 and the inside of catheter hub 24 so that needle shield 40 cannot be easily removed from catheter hub 24 Conversely, the interference should not be so great as to cause difficulty in removing needle shield 40 from catheter hub 24 when desired
  • One mechanism for achieving this is to include ribs (not shown) formed on the inner surface of catheter hub 24 or the outer surface of needle shield 40 These ribs could be cantilevered if desired Preferably the ribs create an interference between needle shield 40 and catheter hub 24 so the ribs would be deformed or bent out of the way when needle shield 40 is placed inside catheter hub 24
  • Introducer needle 31 includes an enlarged diameter portion 38 See FIG 2 Enlarged diameter portion 38 can be formed on introducer needle 31 by forming a crimp on introducer needle 31 Alternatively, enlarged diameter portion 38 may be formed on introducer needle 31 by centerless grinding a larger diameter introducer needle
  • Enlarged diameter portion 38 should have a diameter greater than the diameter of proximal opening 43 This ensures that introducer needle 31 cannot be pulled in a proximal direction completely out of needle shield 40 because enlarged diameter portion 38 blocks further movement of introducer needle 31 through proximal opening 43 Alternatively and preferably, a metallic washer 48 having an opening therein with a diameter smaller than the diameter of enlarged diameter portion 38 can be placed over proximal opening 43 to prevent enlarged diameter portion 38 from passing into proximal opening 43
  • a telescoping member 49 having an enlarged distal portion 49a and a reduced diameter portion 49b See FIGS 9 and 10 Such a telescoping feature provides a device that is compact prior to use Enlarged distal portion 49a engages proximal opening 43 to prevent telescoping member 49 from being pulled proximally completely out of needle shield 40
  • Reduced diameter portion 49b engages enlarged diameter portion
  • Reduced diameter portion 49b may have a crimped portion 49c to minimize drag on introducer needle 31 while still ensuring that reduced diameter portion 49b prevents enlarged diameter portion 38 from passing therethrough.
  • Transverse barrier 46 is formed from a resilient material, preferably a stainless steel shim, and includes a mounting ring 46a securely mounted to needle shield 40 cap 47 which is bonded to main body 41. Transverse barrier 46 also includes a plurality of shielding flaps 46b that are formed to be generally perpendicular to mounting ring 46a so they cover distal opening 44 when in their normal rest position. When sharp distal tip 32 of introducer needle 31 is distal of distal opening 44, shielding flaps 46b are biased away from its normal position by introducer needle 31. See FIGS. 4 and 5.
  • transverse barrier 46 A variation of transverse barrier 46 can be seen in FIG. 8 where a single mounting leg 46a' and a single shielding flap 46b' are used.
  • the clinician In order to place catheter 21 into a patient's blood vessel, the clinician substantially longitudinally aligns introducer needle 31 and catheter 21 with the target blood vessel. Bevel 32a should be facing substantially away from the skin surface during venipuncture.
  • the clinician inserts introducer needle 31 and catheter 21 at a shallow angle, preferably less than about 35 degrees, into the skin so that the sharp distal tip enters the target blood vessel.
  • the clinician then preferably observes a blood flashback in the flashback chamber of needle hub 34.
  • the clinician After confirming placement of introducer needle 31 and catheter 21 in the target blood vessel, the clinician advances catheter 21 distally axially along introducer needle 31 into position in the blood vessel. After proper placement of catheter 31 is achieved, the clinician places a finger from her other hand on the patient's skin over the blood vessel approximately over the distal end of catheter 31.
  • the clmican By placing her finger on the patient's skin and applying sufficient pressure on the skin, the clmican thereby substantially occludes blood flow through catheter 31
  • the clmican then withdraws introducer needle 31 from catheter 21 by moving needle hub 34 proximally This movement causes introducer needle 31 to move proximally into needle shield 40
  • the interference fit between needle shield 40 and catheter hub 24 cause needle shield 40 to remain engaged with catheter hub 24 during at least the initial proximal movement of introducer needle 31
  • the clinician may then attach any desired fluid handling device to catheter hub 21 and commence the planned treatment Introducer needle 31 and needle shield 40 may then be disposed of according to the facility's disposal protocol
  • a catheter and introducer needle assembly with needle shield is provided that is compact, simple and easy to use and that requires no special features or technique to be operative

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biophysics (AREA)
  • Pulmonology (AREA)
  • Engineering & Computer Science (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Hematology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Media Introduction/Drainage Providing Device (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)

Abstract

A catheter and introducer needle assembly with a compact needle shield is provided. The introducer needle includes an enlarged diameter portion. The needle shield is disposed inside the catheter hub. The needle shield includes a transverse barrier to prevent unwanted distal movement of the needle once the needle has been withdrawn into the needle shield. The needle shield also includes a small diameter proximal opening to limit proximal movement of the needle out of the needle shield.

Description

COMPACT NEEDLE POINT SHIELD
Background of the Invention
The subject invention relates to a catheter and introducer needle assembly that includes a needle shield that will safely shield the sharp distal tip of the introducer needle after the needle has been used to insert the catheter into a patient
Catheters, particularly intravascular (IV) catheters, are used for infusing fluid, such as normal saline solution, various medicaments and total parenteral nutrition, into a patient or withdrawing blood from a patient Peripheral IV catheters tend to be relatively short, and are on the order of about one and one-half inches in length The most common type of IV catheter is an over the needle peripheral IV catheter As its name implies, an over the needle catheter is mounted over an introducer needle having a sharp distal tip The catheter and the introducer needle are assembled so that the distal tip of the introducer needle extends beyond the distal tip of the catheter with the bevel of the needle facing up away from the patient's skin
The catheter and introducer needle assembly is inserted at a shallow angle through the patient's skin into a peripheral blood vessel, i e a smaller blood vessel that is not connected directly to the heart but is one of the branches of the central blood vessels that is directly connected to the heart In order to verify proper placement of the assembly in the blood vessel, the clinician confirms that there is flashback of blood in the needle and in a flashback chamber located at the proximal end of the needle, which is typically formed as part of the needle hub Once proper placement is confirmed, the clinician applies pressure to the blood vessel by pressing down on the patient's skin over the distal tip of the introducer needle and the catheter This finger pressure occludes further blood flow through the introducer needle The clinician withdraws the introducer needle, leaving the catheter in place, and attaches a fluid handling device to the catheter hub Once the introducer needle is withdrawn from the catheter, it is a "blood contaminated sharp" and must be properly handled
In recent years, there has been great concern over the contamination of clinicians with a patient's blood and a recognition that "blood contaminated sharps" must be immediately disposed This concern has arisen because of the advent of currently incurable and fatal diseases, such as Acquired Immunosuppressive Deficiency Syndrome ("AIDS"), which can be transmitted by the exchange of body fluids from an infected person to another person Thus, contact with the body fluid of an AIDS infected person must be avoided As noted above, if an introducer needle has been used to place a catheter in the vein of an AIDS infected person, the introducer needle is a vehicle for the transmission of the disease Although clinicians are aware of the need to properly handle "blood contaminated sharps", unfortunately in certain medical environments, such as emergency situations or as a result of inattention or neglect, needlesticks with contaminated introducer needles still occur
As a result of the problem of accidental needlesticks by "blood contaminated sharps", various needle shields have been developed Generally, such needle shields work for their intended purpose but could be improved For example, some needle shields are bulky, difficult to use or require special features or techniques to be operative
Summary of the Invention
It is therefore an object of this invention to provide a needle shield that is compact
It is another object of this invention to provide a needle shield that is simple and easy to use
It is still another object of this invention to provide a needle shield that requires no special features or technique to be operative
The catheter and introducer needle assembly with needle shield of this invention includes a catheter having a distal end and a proximal end connected to the distal end of a catheter hub The introducer needle has a sharp distal tip and a proximal end connected to the distal end of a needle hub A flashback chamber is defined in the needle hub Typically a vented plug is located in the open proximal end of the flashback chamber to allow air to escape from the flashback chamber when blood enters the flashback chamber from the introducer needle The catheter is coaxially disposed over the introducer needle so the sharp distal tip of the introducer needle is distal of the distal end of the catheter The introducer needle also defines, along a distal portion thereof, an enlarged diameter portion
The needle shield includes a main body portion defining a main chamber into which the introducer needle extends, a proximal opening and a distal opening The proximal opening has a diameter sufficient to allow the proximal portion of the introducer needle to extend therethrough but that is too small to allow the enlarged diameter portion of the introducer needle to pass therethrough Thus, the enlarged diameter portion of the needle in cooperation with the size of the proximal opening prevents unwanted proximal movement of the introducer needle with respect to the needle shield once the introducer needle has been withdrawn into the needle shield after use Alternatively, a separate telescoping element may be disposed in the needle shield to cooperate with the enlarged diameter portion of the introducer needle to prevent unwanted proximal movement of the introducer needle A movable transverse barrier adjacent to the distal opening to the needle shield flexes out of the way to allow the introducer needle to be withdrawn proximally into the main chamber Once the sharp distal tip of the needle has been withdrawn proximal of the distal opening, the transverse barrier returns to its unbiased position covering the distal opening to prevent unwanted distal movement of the introducer needle and to capture the sharp distal tip of the needle in the main chamber
The needle shield is sized so that it fits snugly within the catheter hub There should be an interference fit between the outside of the needle shield and the inside of the catheter hub so that the needle shield cannot be easily removed from the catheter hub Conversely, the interference fit should not be so tight as to cause difficulty in removing the needle shield from the catheter hub when desired
Brief Description of the Drawings
The preferred embodiments are illustrated in the drawings in which like reference numerals refer to like elements and in which FIG 1 is a perspective view of the catheter and introducer needle assembly with the compact needle shield of this invention,
FIG 2 is an exploded perspective view of the catheter and introducer needle assembly with the compact needle shield of this invention,
FIG 3 is an exploded perspective view of the compact needle shield of this invention,
FIG 4 is a cross-sectional view of one embodiment of the catheter and introducer needle assembly with the compact needle shield of this invention,
FIG 5 is an enlarged cross-sectional view of one embodiment of the compact needle shield disposed in the catheter hub with the the sharp distal tip of the introducer needle distal of the compact needle shield,
FIG 6 is a cross-sectional view of one embodiment of the compact needle shield removed from the catheter hub with the sharp distal tip of the introducer needle locked in the compact needle shield,
FIG 7 is an enlarged cross-sectional view of one embodiment of the compact needle shield with the sharp distal tip of the introducer needle locked in the compact needle shield,
FIG 8 is an enlarged cross-sectional view similar to FIG 5 but with a different transverse barrier disposed in the compact needle shield,
FIG 9 is an enlarged cross-sectional view similar to FIG 5 but of a second embodiment of the compact needle shield, and
FIG 10 is an enlarged cross-sectional view of the second embodiment of the compact needle shield removed from the catheter hub with the sharp distal tip of the introducer needle locked in the compact needle shield
Detailed Description of the Invention
As used herein, the term "proximal" refers to a location on the catheter and introducer needle assembly with the compact needle shield of this invention closest to the clinician using the device and farthest from the patient in connection with whom the device is used when the device is used in its normal operation Conversely, the term "distal" refers to a location on the catheter and introducer needle assembly with the compact needle shield of this invention farthest from the clinician using the device and closest to the patient in connection with whom the device is used when the device is used in its normal operation
The catheter and introducer needle assembly with the compact needle shield of this invention is identified generally by the numeral 10 It includes a catheter assembly 20 and an introducer needle assembly 30 that includes a needle shield 40
Catheter assembly 20 includes a catheter 21 that has a proximal end, a distal end and a catheter hub 24 affixed to the proximal end of catheter 21 Suitable materials for catheter 21 include, but are not limited to, thermoplastic resins such as polytetrafluoroethylene (PTFE), fluonnated ethylene propylene copolymer (FEP), polyurethane and the like Preferably, catheter 21 is formed from a thermoplastic hydrophi c polyurethane that softens with exposure to physiological conditions present in the patient's body Suitable materials for catheter hub 24 include, but are not limited to, thermoplastic polymeric resins such as polycarbonate, polystyrene, polypropylene and the like Catheter hub 24 may include a radially outwardly extending tab, not shown, which is useful for advancing catheter 21 into the patient's blood vessel
Introducer needle assembly 30 includes introducer needle 31 having a sharp distal tip defined by bevel 32 and a proximal end connected to needle hub 34 Introducer needle 31 is preferably formed from stainless steel Needle hub 34 can include an integrated flashback chamber having an open proximal end Needle hub 34 is preferably formed from the same types of materials that are used to form catheter hub 24 Preferably, the open proximal end of needle hub 34 is closed to fluid flow by a vented plug 36 which allows air but not liquid, such as blood, to flow therethrough
Introducer needle assembly 30 also includes needle shield 40 which includes mam body portion 41 and which in turn defines a main chamber 42 having a proximal opening 43 A cap 47 covers the distal end of mam chamber 42 and defines a distal opening 44 therein This allows introducer needle 31 to extend longitudinally through main body portion 41 The diameter of proximal opening 43 is slightly larger than the diameter of the main portion of introducer needle 31 This allows the mam portion of introducer needle 31 to easily pass through proximal opening 43 Mam body portion 41 also includes a flexible transverse barrier 46 which is held in place over the distal end of mam chamber 42 by cap 47 so as to occlude distal opening 44 Transverse barrier 46 allows the sharp distal tip of introducer needle 31 to be withdrawn into needle shield 40 but thereafter prevents reexposure of the sharp distal tip through distal opening 44
Needle shield 40 is sized so that it fits snugly within catheter hub 24 There should be enough interference between the outside of needle shield 40 and the inside of catheter hub 24 so that needle shield 40 cannot be easily removed from catheter hub 24 Conversely, the interference should not be so great as to cause difficulty in removing needle shield 40 from catheter hub 24 when desired One mechanism for achieving this is to include ribs (not shown) formed on the inner surface of catheter hub 24 or the outer surface of needle shield 40 These ribs could be cantilevered if desired Preferably the ribs create an interference between needle shield 40 and catheter hub 24 so the ribs would be deformed or bent out of the way when needle shield 40 is placed inside catheter hub 24
Introducer needle 31 includes an enlarged diameter portion 38 See FIG 2 Enlarged diameter portion 38 can be formed on introducer needle 31 by forming a crimp on introducer needle 31 Alternatively, enlarged diameter portion 38 may be formed on introducer needle 31 by centerless grinding a larger diameter introducer needle
Enlarged diameter portion 38 should have a diameter greater than the diameter of proximal opening 43 This ensures that introducer needle 31 cannot be pulled in a proximal direction completely out of needle shield 40 because enlarged diameter portion 38 blocks further movement of introducer needle 31 through proximal opening 43 Alternatively and preferably, a metallic washer 48 having an opening therein with a diameter smaller than the diameter of enlarged diameter portion 38 can be placed over proximal opening 43 to prevent enlarged diameter portion 38 from passing into proximal opening 43 Another alternative is to use a telescoping member 49 having an enlarged distal portion 49a and a reduced diameter portion 49b See FIGS 9 and 10 Such a telescoping feature provides a device that is compact prior to use Enlarged distal portion 49a engages proximal opening 43 to prevent telescoping member 49 from being pulled proximally completely out of needle shield 40 Reduced diameter portion 49b engages enlarged diameter portion
6/
SUBSTTTUTE SHEET (RULE 26) 38 to prevent introducer needle 31 from being pulled proximally completely out of needle shield 40. Reduced diameter portion 49b may have a crimped portion 49c to minimize drag on introducer needle 31 while still ensuring that reduced diameter portion 49b prevents enlarged diameter portion 38 from passing therethrough.
Transverse barrier 46 is formed from a resilient material, preferably a stainless steel shim, and includes a mounting ring 46a securely mounted to needle shield 40 cap 47 which is bonded to main body 41. Transverse barrier 46 also includes a plurality of shielding flaps 46b that are formed to be generally perpendicular to mounting ring 46a so they cover distal opening 44 when in their normal rest position. When sharp distal tip 32 of introducer needle 31 is distal of distal opening 44, shielding flaps 46b are biased away from its normal position by introducer needle 31. See FIGS. 4 and 5. When introducer needle 31 is withdrawn proximally so the sharp distal tip 32 is proximal of distal opening 44, shielding flaps 46b will no longer abut the shaft of introducer needle 31 and can return to their normal position covering distal opening 44. See FIGS. 6 and 7. In this mannner, sharp distal tip 32 is prevented from being reexposed through distal opening 44 by transverse barrier 46. A variation of transverse barrier 46 can be seen in FIG. 8 where a single mounting leg 46a' and a single shielding flap 46b' are used.
In order to place catheter 21 into a patient's blood vessel, the clinician substantially longitudinally aligns introducer needle 31 and catheter 21 with the target blood vessel. Bevel 32a should be facing substantially away from the skin surface during venipuncture. The clinician inserts introducer needle 31 and catheter 21 at a shallow angle, preferably less than about 35 degrees, into the skin so that the sharp distal tip enters the target blood vessel. The clinician then preferably observes a blood flashback in the flashback chamber of needle hub 34.
After confirming placement of introducer needle 31 and catheter 21 in the target blood vessel, the clinician advances catheter 21 distally axially along introducer needle 31 into position in the blood vessel. After proper placement of catheter 31 is achieved, the clinician places a finger from her other hand on the patient's skin over the blood vessel approximately over the distal end of catheter 31. By placing her finger on the patient's skin and applying sufficient pressure on the skin, the clmican thereby substantially occludes blood flow through catheter 31 The clmican then withdraws introducer needle 31 from catheter 21 by moving needle hub 34 proximally This movement causes introducer needle 31 to move proximally into needle shield 40 However, the interference fit between needle shield 40 and catheter hub 24 cause needle shield 40 to remain engaged with catheter hub 24 during at least the initial proximal movement of introducer needle 31 Continued proximally directed force applied to needle hub 34 overcomes the resistive force of the interference fit and allows needle shield 40 to become disengaged from catheter hub 21 once the sharp distal tip is located in needle shield 40 and introducer needle 31 is locked therein After introducer needle 31 and needle shield 40 have been removed from catheter hub 21 , the clinician may then attach any desired fluid handling device to catheter hub 21 and commence the planned treatment Introducer needle 31 and needle shield 40 may then be disposed of according to the facility's disposal protocol
Thus, it is seen that a catheter and introducer needle assembly with needle shield is provided that is compact, simple and easy to use and that requires no special features or technique to be operative

Claims

I Claim
1 A catheter and introducer needle assembly, comprising a catheter having a proximal end and distal end, a catheter hub in fluid communication with the catheter and having a proximal end and a distal end connected to the proximal end of the catheter, an introducer needle disposed in the catheter and having a proximal end and a distal end and defining an enlarged diameter portion, and a needle shield having a proximal end and a distal end disposed within the catheter hub with an interference fit, the needle shield defining a mam chamber with the introducer needle extending therethrough wherein the needle shield has a means for engaging the enlarged diameter portion of the introducer needle to prevent unwanted proximal movement of the introducer needle and wherein the needle shield includes a means for engaging the introducer needle to prevent unwanted distal movement of the introducer needle
2 A catheter and introducer needle assembly, comprising a catheter having a proximal end and distal end, a catheter hub in fluid communication with the catheter and having a proximal end and a distal end connected to the proximal end of the catheter, an introducer needle disposed in the catheter and having a proximal end and a distal end and defining an enlarged diameter portion, a needle shield having a proximal end and a distal end disposed within the catheter hub with an interference fit, the needle shield defining a main chamber with the introducer needle extending therethrough wherein the needle shield has a proximal opening that has a diameter smaller than the diameter of the enlarged diameter portion of the introducer needle and wherein the needle shield includes a transverse barrier adjacent to a distal opening in the needle shield, and a telescoping member having a proximal end and a distal end slidably disposed in the needle shield through the proximal opening wherein the
SUBSTTTUTE SHEET (RULE 26) telescoping member has an enlarged diameter portion adjacent to tne distal end and a reduced diameter portion adjacent to the proximal end.
3. The catheter and introducer needle assembly of claim 2 wherein the reduced diameter portion is crimped.
SUBSTTTUTE SHEET (RULE 26)
PCT/US2000/025542 1999-09-24 2000-09-18 Compact needle point shield WO2001023029A1 (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP2001526237A JP2003510137A (en) 1999-09-24 2000-09-18 Compact needle point shield
BR0014278-6A BR0014278A (en) 1999-09-24 2000-09-18 Compact needle tip protector
AU74967/00A AU765557B2 (en) 1999-09-24 2000-09-18 Compact needle point shield
ES00963576T ES2324018T5 (en) 1999-09-24 2000-09-18 Compact needle tip protector
EP00963576A EP1214115B2 (en) 1999-09-24 2000-09-18 Compact needle point shield
DE60042164T DE60042164D1 (en) 1999-09-24 2000-09-18 COMPACT NADELSCHUTZSCHILD

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/405,203 US6224569B1 (en) 1999-09-24 1999-09-24 Compact needle point shield
US09/405,203 1999-09-24

Publications (1)

Publication Number Publication Date
WO2001023029A1 true WO2001023029A1 (en) 2001-04-05

Family

ID=23602717

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2000/025542 WO2001023029A1 (en) 1999-09-24 2000-09-18 Compact needle point shield

Country Status (8)

Country Link
US (1) US6224569B1 (en)
EP (1) EP1214115B2 (en)
JP (2) JP2003510137A (en)
AU (1) AU765557B2 (en)
BR (1) BR0014278A (en)
DE (1) DE60042164D1 (en)
ES (1) ES2324018T5 (en)
WO (1) WO2001023029A1 (en)

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007142746A1 (en) * 2006-06-08 2007-12-13 Rishi Baid Safety device to cover the needle tip of intravenous catheter apparatus
WO2008021132A1 (en) * 2006-08-11 2008-02-21 Becton, Dickinson And Company Integrated septum and needle tip shield for a catheter assembly
EP2014328A1 (en) * 2002-06-20 2009-01-14 Becton, Dickinson and Company Method and apparatus for shielding the tip of a catheter introducer needle
EP2077133A1 (en) * 2008-01-03 2009-07-08 Eastern Medikit Ltd. Safety I.V. catheter with tip locking insert
US20090312711A1 (en) * 2008-06-17 2009-12-17 Becton, Dickinson And Company Needle shield and interlock
WO2010101740A1 (en) * 2009-03-02 2010-09-10 Becton, Dickinson And Company Bi-directional cannula feature capture mechanism
EP1214115B2 (en) † 1999-09-24 2012-02-22 Becton Dickinson and Company Compact needle point shield
US8292852B2 (en) 2009-02-06 2012-10-23 Vistamed R & D Ltd. Catheter introducer
EP2810681A1 (en) * 2011-07-25 2014-12-10 Covidien LP Vascular acess assembly and safety device
EP1707230B1 (en) 2001-02-26 2016-02-17 B. Braun Melsungen AG Injection needle with a protection element for the needle tip
US9399120B2 (en) 2009-03-02 2016-07-26 Becton, Dickinson And Company Bi-directional cannula feature capture mechanism
US9555221B2 (en) 2014-04-10 2017-01-31 Smiths Medical Asd, Inc. Constant force hold tip protector for a safety catheter
US9555220B2 (en) 2010-06-02 2017-01-31 Smiths Medical Asd, Inc. Tip protector for a safety catheter
CN108815639A (en) * 2018-05-08 2018-11-16 河南兴恒医疗用品有限公司 Disposible safety syringe
US10946176B2 (en) 2017-04-06 2021-03-16 Becton, Dickinson And Company Intravenous catheter assembly with safety clip
EP2408507B2 (en) † 2009-03-19 2023-04-19 Becton Dickinson and Company Needle-tip shielding mechanism

Families Citing this family (131)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7033339B1 (en) * 1998-05-29 2006-04-25 Becton Dickinson And Company (Part Interest) Self sealing luer receiving stopcock
US6629959B2 (en) * 1996-02-27 2003-10-07 Injectimed, Inc. Needle tip guard for percutaneous entry needles
ATE297231T1 (en) * 1996-02-27 2005-06-15 Injectimed Inc NEEDLE TIP PROTECTION FOR SUBCUTANEOUS INJECTIONS
US6616630B1 (en) * 1997-08-20 2003-09-09 B. Braun Melsungen A.G. Spring clip safety IV catheter
US7125397B2 (en) * 1997-08-20 2006-10-24 B. Braun Melsungen Ag Protective device for an injection needle
US8211070B2 (en) * 1997-08-20 2012-07-03 B. Braun Melsungen Ag Spring clip safety IV catheter
US8382721B2 (en) 1997-08-20 2013-02-26 B. Braun Melsungen Ag Spring clip safety IV catheter
US6749588B1 (en) 1998-04-09 2004-06-15 Becton Dickinson And Company Catheter and introducer needle assembly with needle shield
DE29921084U1 (en) * 1999-12-01 2000-02-17 Braun Melsungen Ag Short catheter
US6322537B1 (en) * 1999-12-30 2001-11-27 Ethicon, Inc. Safety intravenous catheter
US20040204689A1 (en) * 2000-08-14 2004-10-14 Lynn Lawrence A. Catheter and needle assembly with dual sealing
US6585704B2 (en) 2001-01-29 2003-07-01 B. Braun Medical, Inc. Method of retaining a tip protector on a needle with a curved tip
DE20106697U1 (en) * 2001-04-18 2001-10-31 Braun Melsungen Ag Catheter introducer
US6506181B2 (en) * 2001-05-25 2003-01-14 Becton, Dickinson And Company Catheter having a low drag septum
US6663592B2 (en) * 2001-09-06 2003-12-16 Medex, Inc. Catheter introducer assembly having safety shielded needle
US6652486B2 (en) 2001-09-27 2003-11-25 Medex, Inc. Safety catheter
CN1225294C (en) * 2002-03-29 2005-11-02 上海康德莱企业发展集团有限公司 Safety medical needle device
US7083600B2 (en) * 2002-08-08 2006-08-01 Advanced Medical Sharps, Inc. Safety needle and shield
US7988664B2 (en) * 2004-11-01 2011-08-02 Tyco Healthcare Group Lp Locking clip with trigger bushing
US7226434B2 (en) 2003-10-31 2007-06-05 Tyco Healthcare Group Lp Safety shield
EP1803477A3 (en) * 2004-02-13 2007-07-18 Smiths Medical ASD, Inc. Catheter with needle tip protector
EP1725282A1 (en) * 2004-02-13 2006-11-29 Smiths Medical ASD, Inc. Needle tip protector
TWI303175B (en) * 2004-02-26 2008-11-21 Nipro Corp Safe indwelling needle
US20050222539A1 (en) * 2004-03-30 2005-10-06 Pediamed Pharmaceuticals, Inc. Automatic injection device
US7850650B2 (en) 2005-07-11 2010-12-14 Covidien Ag Needle safety shield with reset
US7905857B2 (en) 2005-07-11 2011-03-15 Covidien Ag Needle assembly including obturator with safety reset
US7828773B2 (en) 2005-07-11 2010-11-09 Covidien Ag Safety reset key and needle assembly
JP4937925B2 (en) * 2004-12-07 2012-05-23 ベクトン・ディキンソン・アンド・カンパニー Needle capture mechanism
US20060276747A1 (en) 2005-06-06 2006-12-07 Sherwood Services Ag Needle assembly with removable depth stop
ATE424879T1 (en) 2005-07-06 2009-03-15 Vascular Pathways Inc INTRAVENOUS CATHETER INSERTION DEVICE AND METHOD OF USE
US7731692B2 (en) 2005-07-11 2010-06-08 Covidien Ag Device for shielding a sharp tip of a cannula and method of using the same
US7670317B2 (en) * 2005-10-25 2010-03-02 Becton, Dickinson And Company One piece low drag septum
US7654735B2 (en) 2005-11-03 2010-02-02 Covidien Ag Electronic thermometer
US7798994B2 (en) * 2005-11-15 2010-09-21 Becton, Dickinson And Company Needle shield to septum interconnect
US20080097330A1 (en) * 2006-07-18 2008-04-24 Smiths Medical Asd, Inc. Catheter insertion device with fluid leakage control
JP4994775B2 (en) 2006-10-12 2012-08-08 日本コヴィディエン株式会社 Needle point protector
DE602008003791D1 (en) 2007-05-07 2011-01-13 Vascular Pathways Inc INTRODUCTION OF INTRAVENOUS CATHETER AND BLOOD DETECTING DEVICE AND METHOD OF USE
US7713243B2 (en) * 2007-09-25 2010-05-11 Becton, Dickinson And Company Tip shield for needle stick prevention
WO2009042874A1 (en) * 2007-09-27 2009-04-02 Tyco Healthcare Group Lp I.v. catheter assembly and needle safety device
US9345836B2 (en) 2007-10-02 2016-05-24 Medimop Medical Projects Ltd. Disengagement resistant telescoping assembly and unidirectional method of assembly for such
US10420880B2 (en) 2007-10-02 2019-09-24 West Pharma. Services IL, Ltd. Key for securing components of a drug delivery system during assembly and/or transport and methods of using same
WO2009044401A2 (en) 2007-10-02 2009-04-09 Yossi Gross External drug pump
US9656019B2 (en) 2007-10-02 2017-05-23 Medimop Medical Projects Ltd. Apparatuses for securing components of a drug delivery system during transport and methods of using same
US7967795B1 (en) 2010-01-19 2011-06-28 Lamodel Ltd. Cartridge interface assembly with driving plunger
US8357104B2 (en) 2007-11-01 2013-01-22 Coviden Lp Active stylet safety shield
ATE482738T1 (en) 2007-12-20 2010-10-15 Tyco Healthcare CAP ASSEMBLY WITH SPRING-LOADED CUFF
US7828774B2 (en) * 2008-05-12 2010-11-09 Harding Weston F Sleeved clip safety
US9393369B2 (en) 2008-09-15 2016-07-19 Medimop Medical Projects Ltd. Stabilized pen injector
US8439877B2 (en) * 2009-03-02 2013-05-14 Becton, Dickinson And Company Bi-directionally engageable cannula crimp feature
US20100305519A1 (en) * 2009-06-02 2010-12-02 Becton, Dickinson And Company Cannula having an overlapping cannula feature and notch feature
US8474300B2 (en) * 2009-07-20 2013-07-02 Becton, Dickinson And Company Methods to provide a feature on a needle
JP2011045543A (en) * 2009-08-27 2011-03-10 Terumo Corp Indwelling needle assembly
US8382751B2 (en) 2009-09-10 2013-02-26 Covidien Lp System and method for power supply noise reduction
US8157769B2 (en) 2009-09-15 2012-04-17 Medimop Medical Projects Ltd. Cartridge insertion assembly for drug delivery system
US10071198B2 (en) 2012-11-02 2018-09-11 West Pharma. Servicees IL, Ltd. Adhesive structure for medical device
US10071196B2 (en) 2012-05-15 2018-09-11 West Pharma. Services IL, Ltd. Method for selectively powering a battery-operated drug-delivery device and device therefor
ES2841914T3 (en) * 2009-09-22 2021-07-12 Poly Medicure Ltd Needle guard
US8348898B2 (en) 2010-01-19 2013-01-08 Medimop Medical Projects Ltd. Automatic needle for drug pump
EP2569031B1 (en) 2010-05-10 2017-10-11 Medimop Medical Projects Ltd. Low volume accurate injector
US10384039B2 (en) 2010-05-14 2019-08-20 C. R. Bard, Inc. Catheter insertion device including top-mounted advancement components
US9950139B2 (en) * 2010-05-14 2018-04-24 C. R. Bard, Inc. Catheter placement device including guidewire and catheter control elements
US11925779B2 (en) * 2010-05-14 2024-03-12 C. R. Bard, Inc. Catheter insertion device including top-mounted advancement components
US8932258B2 (en) * 2010-05-14 2015-01-13 C. R. Bard, Inc. Catheter placement device and method
US9872971B2 (en) 2010-05-14 2018-01-23 C. R. Bard, Inc. Guidewire extension system for a catheter placement device
US8652104B2 (en) 2010-06-25 2014-02-18 Smiths Medical Asd, Inc. Catheter assembly with seal member
US9545495B2 (en) 2010-06-25 2017-01-17 Smiths Medical Asd, Inc. Catheter assembly with seal member
FR2961701B1 (en) * 2010-06-28 2014-06-20 Braun Medical Sas NEEDLE FOR INJECTING OR EXTRACTING FLUIDS WITH A SAFETY DEVICE FOR PROTECTING AGAINST INJURIES ON THE NEEDLE'S NEEDLE
CN112089950B (en) * 2010-08-05 2023-02-28 B·布朗·梅尔松根有限公司 Needle safety device and assembly
US8512295B2 (en) 2010-08-19 2013-08-20 West Pharmaceutical Services, Inc. Rigid needle shield
US8690833B2 (en) 2011-01-31 2014-04-08 Vascular Pathways, Inc. Intravenous catheter and insertion device with reduced blood spatter
EP3563898B1 (en) 2011-02-25 2020-11-11 C.R. Bard, Inc. Medical component insertion device including a retractable needle
US9238104B2 (en) 2011-02-28 2016-01-19 Injectimed, Inc. Needle guard
AU2015200294B2 (en) * 2011-02-28 2017-02-09 Injectimed, Inc. Needle guard
US8764711B2 (en) * 2011-02-28 2014-07-01 Injectimed, Inc. Needle guard
USD702834S1 (en) 2011-03-22 2014-04-15 Medimop Medical Projects Ltd. Cartridge for use in injection device
US8486024B2 (en) 2011-04-27 2013-07-16 Covidien Lp Safety IV catheter assemblies
USD903101S1 (en) 2011-05-13 2020-11-24 C. R. Bard, Inc. Catheter
WO2013048768A1 (en) 2011-09-26 2013-04-04 Covidien Lp Safety iv catheter and needle assembly
EP2760520A1 (en) 2011-09-26 2014-08-06 Covidien LP Safety catheter
US9020185B2 (en) 2011-09-28 2015-04-28 Xerox Corporation Systems and methods for non-contact heart rate sensing
US8834422B2 (en) 2011-10-14 2014-09-16 Covidien Lp Vascular access assembly and safety device
US9108021B2 (en) 2012-02-22 2015-08-18 Becton, Dickinson And Company Low drag, high pressure septum
US9072827B2 (en) 2012-03-26 2015-07-07 Medimop Medical Projects Ltd. Fail safe point protector for needle safety flap
US9421323B2 (en) 2013-01-03 2016-08-23 Medimop Medical Projects Ltd. Door and doorstop for portable one use drug delivery apparatus
US9522254B2 (en) 2013-01-30 2016-12-20 Vascular Pathways, Inc. Systems and methods for venipuncture and catheter placement
JP6138921B2 (en) * 2013-04-01 2017-05-31 テルモ株式会社 Catheter assembly
CN203196075U (en) * 2013-04-03 2013-09-18 英属维尔京群岛圣采科技投资有限公司 Structure for anti-pricking indwelling needle
KR101792377B1 (en) 2013-04-16 2017-10-31 텔리플렉스 메디컬 인코포레이티드 Needlescopic instrument with reusable handle and detachable needle assemly
US9011164B2 (en) 2013-04-30 2015-04-21 Medimop Medical Projects Ltd. Clip contact for easy installation of printed circuit board PCB
US10500376B2 (en) 2013-06-07 2019-12-10 Becton, Dickinson And Company IV catheter having external needle shield and internal blood control septum
ES2942558T3 (en) * 2013-07-11 2023-06-02 Becton Dickinson Co Bi-directional cannula feature capture mechanism
AU2014327152B2 (en) * 2013-09-18 2017-08-10 Teleflex Medical Incorporated Exchanger surgical access port assembly and methods of use
SG10202007098SA (en) 2014-04-18 2020-08-28 Becton Dickinson Co Needle capture safety interlock for catheter
CN105592809B (en) 2014-07-15 2019-09-06 泰利福医疗公司 Exchanger surgical access port component and application method
WO2016037127A1 (en) 2014-09-05 2016-03-10 C.R. Bard, Inc. Catheter insertion device including retractable needle
US11511052B2 (en) 2014-11-10 2022-11-29 Becton, Dickinson And Company Safety IV catheter with V-clip interlock and needle tip capture
US10293120B2 (en) 2015-04-10 2019-05-21 West Pharma. Services IL, Ltd. Redundant injection device status indication
USD903100S1 (en) 2015-05-01 2020-11-24 C. R. Bard, Inc. Catheter placement device
WO2016187037A1 (en) 2015-05-15 2016-11-24 C.R.Bard, Inc. Catheter placement device including an extensible needle safety component
US10149943B2 (en) 2015-05-29 2018-12-11 West Pharma. Services IL, Ltd. Linear rotation stabilizer for a telescoping syringe stopper driverdriving assembly
WO2016196934A1 (en) 2015-06-04 2016-12-08 Medimop Medical Projects Ltd. Cartridge insertion for drug delivery device
US10576207B2 (en) 2015-10-09 2020-03-03 West Pharma. Services IL, Ltd. Angled syringe patch injector
US9987432B2 (en) 2015-09-22 2018-06-05 West Pharma. Services IL, Ltd. Rotation resistant friction adapter for plunger driver of drug delivery device
CN113648488B (en) 2015-10-09 2024-03-29 西医药服务以色列分公司 Curved fluid path attachment to prefilled fluid reservoir
US10549072B2 (en) 2015-10-28 2020-02-04 Becton, Dickinson And Company Integrated catheter with independent fluid paths
US10525237B2 (en) 2015-10-28 2020-01-07 Becton, Dickinson And Company Ergonomic IV systems and methods
US10357636B2 (en) 2015-10-28 2019-07-23 Becton, Dickinson And Company IV access device having an angled paddle grip
US10744305B2 (en) 2015-10-28 2020-08-18 Becton, Dickinson And Company Ergonomic IV systems and methods
US10814106B2 (en) 2015-10-28 2020-10-27 Becton, Dickinson And Company Soft push tabs for catheter adapter
US10639455B2 (en) 2015-10-28 2020-05-05 Becton, Dickinson And Company Closed IV access device with paddle grip needle hub and flash chamber
US10245416B2 (en) 2015-10-28 2019-04-02 Becton, Dickinson And Company Intravenous catheter device with integrated extension tube
CN113041432B (en) 2016-01-21 2023-04-07 西医药服务以色列有限公司 Medicament delivery device comprising a visual indicator
CN111544704B (en) 2016-01-21 2022-06-03 西医药服务以色列有限公司 Force containment in autoinjectors
WO2017127215A1 (en) 2016-01-21 2017-07-27 Medimop Medical Projects Ltd. Needle insertion and retraction mechanism
US11389597B2 (en) 2016-03-16 2022-07-19 West Pharma. Services IL, Ltd. Staged telescopic screw assembly having different visual indicators
EP3463526A1 (en) 2016-06-02 2019-04-10 West Pharma. Services Il, Ltd. Three position needle retraction
EP3978047B1 (en) 2016-08-01 2023-08-23 West Pharma Services IL, Ltd Partial door closure prevention spring
US11338090B2 (en) 2016-08-01 2022-05-24 West Pharma. Services IL, Ltd. Anti-rotation cartridge pin
JP7051821B2 (en) 2016-09-12 2022-04-11 シー・アール・バード・インコーポレーテッド Blood control for catheter insertion device
US10238852B2 (en) 2016-10-05 2019-03-26 Becton, Dickinson And Company Septum housing
USD835262S1 (en) 2016-10-05 2018-12-04 Becton, Dickinson And Company Intravenous catheter assembly
USD819802S1 (en) 2016-10-05 2018-06-05 Becton, Dickinson And Company Catheter adapter
USD837368S1 (en) 2016-10-05 2019-01-01 Becton, Dickinson And Company Catheter adapter grip
USD844781S1 (en) 2016-10-05 2019-04-02 Becton, Dickinson And Company Needle hub
JP6953541B2 (en) 2017-03-01 2021-10-27 シー・アール・バード・インコーポレーテッドＣ Ｒ Ｂａｒｄ Ｉｎｃｏｒｐｏｒａｔｅｄ Catheter insertion device
CN110869072B (en) 2017-05-30 2021-12-10 西部制药服务有限公司(以色列) Modular drive mechanism for a wearable injector
CN114470420A (en) 2017-12-22 2022-05-13 西氏医药包装(以色列)有限公司 Syringe adapted for cartridges of different sizes
WO2019173641A1 (en) 2018-03-07 2019-09-12 Bard Access Systems, Inc. Guidewire advancement and blood flashback systems for a medical device insertion system
USD921884S1 (en) 2018-07-27 2021-06-08 Bard Access Systems, Inc. Catheter insertion device
EP4010057A4 (en) 2019-08-19 2023-10-18 Becton, Dickinson and Company Midline catheter placement device
US20230355889A1 (en) 2020-03-27 2023-11-09 Jaroslaw Moleda Needle-based device based on direct wing-based coupling of a needle shield to a barrel thereof and safety mechanism implemented therein

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0475375A1 (en) * 1990-09-13 1992-03-18 Becton, Dickinson and Company Combination of needle and needle tip cover
EP0554841A1 (en) * 1992-02-07 1993-08-11 Becton, Dickinson and Company Catheter introducer assembly including needle tip shield
US5601536A (en) * 1990-04-20 1997-02-11 Becton Dickinson And Company Needle tip cover

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4654034A (en) 1986-02-03 1987-03-31 Masters Edwin J Safety needle cap
US4846811A (en) 1987-01-29 1989-07-11 International Medical Innovators, Inc. Sliding sheath for medical needles
US4832696A (en) 1987-03-05 1989-05-23 Luther Medical Products, Inc. Assembly of needle and protector
US4816024A (en) 1987-04-13 1989-03-28 Icu Medical, Inc. Medical device
USRE34416E (en) 1988-07-11 1993-10-19 Critikon, Inc. I.V. catheter with self-locating needle guard
US4978344A (en) 1988-08-11 1990-12-18 Dombrowski Mitchell P Needle and catheter assembly
US4964854A (en) 1989-01-23 1990-10-23 Luther Medical Products, Inc. Intravascular catheter assembly incorporating needle tip shielding cap
US5135504A (en) * 1989-07-17 1992-08-04 Mclees Donald J Needle tip guard
JPH03191965A (en) * 1989-12-21 1991-08-21 Hiroshi Nakamura Indwelling needle
US5613952A (en) 1991-12-23 1997-03-25 Syringe Develpoment Partners Safety syringe
US5300045A (en) 1993-04-14 1994-04-05 Plassche Jr Walter M Interventional needle having an automatically capping stylet
US5344408A (en) * 1993-08-06 1994-09-06 Becton, Dickinson And Company Break-away safety shield for needle cannula
US5409461A (en) 1993-09-28 1995-04-25 Becton Dickinson And Company Catheter introducer assembly with needle shielding device
JP2584597B2 (en) * 1993-09-29 1997-02-26 ベクトン・ディッキンソン・アンド・カンパニー Catheter introduction device with blood seal
US5683365A (en) † 1995-06-07 1997-11-04 Johnson & Johnson Medical, Inc. Tip protection device
IL118551A (en) * 1995-06-07 2004-05-12 Johnson & Johnson Medical Protective needle cover containment
CA2178255A1 (en) * 1995-07-12 1997-01-13 Becton, Dickinson And Company Telescoping needle shield
DE29516282U1 (en) * 1995-10-13 1995-12-07 Hoechst Ag Piston plugs for syringe barrels
US5772636A (en) 1996-12-02 1998-06-30 Becton Dickinson And Company Catheter assembly with interlocking telescoping needle shield
US6117108A (en) 1997-08-20 2000-09-12 Braun Melsungen Ag Spring clip safety IV catheter
US6004294A (en) 1998-04-09 1999-12-21 Becton, Dickinson And Company Catheter and introducer needle assembly with needle shield
US6224569B1 (en) † 1999-09-24 2001-05-01 Becton, Dickinson And Company Compact needle point shield

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5601536A (en) * 1990-04-20 1997-02-11 Becton Dickinson And Company Needle tip cover
EP0475375A1 (en) * 1990-09-13 1992-03-18 Becton, Dickinson and Company Combination of needle and needle tip cover
EP0554841A1 (en) * 1992-02-07 1993-08-11 Becton, Dickinson and Company Catheter introducer assembly including needle tip shield

Cited By (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1214115B2 (en) † 1999-09-24 2012-02-22 Becton Dickinson and Company Compact needle point shield
EP1707230B1 (en) 2001-02-26 2016-02-17 B. Braun Melsungen AG Injection needle with a protection element for the needle tip
EP2014328A1 (en) * 2002-06-20 2009-01-14 Becton, Dickinson and Company Method and apparatus for shielding the tip of a catheter introducer needle
WO2007142746A1 (en) * 2006-06-08 2007-12-13 Rishi Baid Safety device to cover the needle tip of intravenous catheter apparatus
US8235945B2 (en) 2006-06-08 2012-08-07 Rishi Baid Safety device to cover the needle tip of intravenous catheter apparatus
WO2008021132A1 (en) * 2006-08-11 2008-02-21 Becton, Dickinson And Company Integrated septum and needle tip shield for a catheter assembly
EP2077133A1 (en) * 2008-01-03 2009-07-08 Eastern Medikit Ltd. Safety I.V. catheter with tip locking insert
WO2009154824A1 (en) 2008-06-17 2009-12-23 Becton, Dickinson And Company Telescopic needle shield with interlock
US8398597B2 (en) 2008-06-17 2013-03-19 Becton, Dickinson And Company Needle shield and interlock
AU2009260684B2 (en) * 2008-06-17 2014-04-17 Becton, Dickinson And Company Telescopic needle shield with interlock
US20090312711A1 (en) * 2008-06-17 2009-12-17 Becton, Dickinson And Company Needle shield and interlock
US8292852B2 (en) 2009-02-06 2012-10-23 Vistamed R & D Ltd. Catheter introducer
CN102387831A (en) * 2009-03-02 2012-03-21 贝克顿·迪金森公司 Bi-directional cannula feature capture mechanism
WO2010101740A1 (en) * 2009-03-02 2010-09-10 Becton, Dickinson And Company Bi-directional cannula feature capture mechanism
US8496623B2 (en) 2009-03-02 2013-07-30 Becton, Dickinson And Company Bi-directional cannula feature capture mechanism
US10307571B2 (en) 2009-03-02 2019-06-04 Becton, Dickinson And Company Bi-directional cannula feature capture mechanism
US9399120B2 (en) 2009-03-02 2016-07-26 Becton, Dickinson And Company Bi-directional cannula feature capture mechanism
US11235127B2 (en) 2009-03-02 2022-02-01 Becton, Dickinson And Company Bi-directional cannula feature capture mechanism
EP3598992A1 (en) * 2009-03-02 2020-01-29 Becton, Dickinson and Company Bi-directional cannula feature capture mechanism
EP2408507B2 (en) † 2009-03-19 2023-04-19 Becton Dickinson and Company Needle-tip shielding mechanism
US10314984B2 (en) 2010-06-02 2019-06-11 Smiths Medical Asd, Inc. Tip protector for a safety catheter
US9555220B2 (en) 2010-06-02 2017-01-31 Smiths Medical Asd, Inc. Tip protector for a safety catheter
US11369749B2 (en) 2010-06-02 2022-06-28 Smiths Medical Asd, Inc. Tip protector for a safety catheter
EP2575946B2 (en) † 2010-06-02 2023-05-24 Smiths Medical ASD, Inc. Tip protector for a safety catheter
EP2810681A1 (en) * 2011-07-25 2014-12-10 Covidien LP Vascular acess assembly and safety device
US9555221B2 (en) 2014-04-10 2017-01-31 Smiths Medical Asd, Inc. Constant force hold tip protector for a safety catheter
US10946176B2 (en) 2017-04-06 2021-03-16 Becton, Dickinson And Company Intravenous catheter assembly with safety clip
CN108815639A (en) * 2018-05-08 2018-11-16 河南兴恒医疗用品有限公司 Disposible safety syringe

Also Published As

Publication number Publication date
EP1214115A1 (en) 2002-06-19
BR0014278A (en) 2002-05-21
JP2003510137A (en) 2003-03-18
US6224569B1 (en) 2001-05-01
EP1214115B2 (en) 2012-02-22
ES2324018T3 (en) 2009-07-29
ES2324018T5 (en) 2012-06-07
EP1214115B1 (en) 2009-05-06
DE60042164D1 (en) 2009-06-18
AU765557B2 (en) 2003-09-25
AU7496700A (en) 2001-04-30
JP2010099534A (en) 2010-05-06

Similar Documents

Publication Publication Date Title
US6224569B1 (en) Compact needle point shield
US6652490B2 (en) Catheter and introducer needle assembly with compact needle shield
US6234999B1 (en) Compact needle shielding device
US6004294A (en) Catheter and introducer needle assembly with needle shield
EP1181072B1 (en) Catheter and introducer needle assembly with needle shield
US6527747B2 (en) Introducer needle assembly having a tethered needle shield
EP1819385B1 (en) Needle capture mechanisms
EP1292355B1 (en) Catheter and introducer needle assembly with needle shield
SG173383A1 (en) Catheter and introducer needle assembly with safety device
WO2001023028A1 (en) Catheter and dual feature introducer needle assembly with needle shield
AU2001229706B2 (en) Catheter and introducer needle assembly with compact needle shield
AU2001229706A1 (en) Catheter and introducer needle assembly with compact needle shield
US20020072711A1 (en) Needle shield using external blunt shield member
EP1338299A1 (en) Compact needle shielding device
AU783791B2 (en) Compact needle shielding device
MXPA06005796A (en) Resettable safety shield for medical needles

Legal Events

Date Code Title Description
AK Designated states

Kind code of ref document: A1

Designated state(s): AE AL AM AT AU AZ BA BB BG BR BY CA CH CN CR CU CZ DE DK DM EE ES FI GB GD GE GH GM HR HU ID IL IN IS JP KE KG KP KR KZ LC LK LR LS LT LU LV MA MD MG MK MN MW MX NO NZ PL PT RO RU SD SE SG SI SK SL TJ TM TR TT TZ UA UG UZ VN YU ZA ZW

AL Designated countries for regional patents

Kind code of ref document: A1

Designated state(s): GH GM KE LS MW MZ SD SL SZ TZ UG ZW AM AZ BY KG KZ MD RU TJ TM AT BE CH CY DE DK ES FI FR GB GR IE IT LU MC NL PT SE BF BJ CF CG CI CM GA GN GW ML MR NE SN TD TG

121 Ep: the epo has been informed by wipo that ep was designated in this application
DFPE Request for preliminary examination filed prior to expiration of 19th month from priority date (pct application filed before 20040101)
ENP Entry into the national phase

Ref country code: JP

Ref document number: 2001 526237

Kind code of ref document: A

Format of ref document f/p: F

WWE Wipo information: entry into national phase

Ref document number: 2000963576

Country of ref document: EP

WWE Wipo information: entry into national phase

Ref document number: 74967/00

Country of ref document: AU

WWP Wipo information: published in national office

Ref document number: 2000963576

Country of ref document: EP

REG Reference to national code

Ref country code: DE

Ref legal event code: 8642

WWG Wipo information: grant in national office

Ref document number: 74967/00

Country of ref document: AU