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7476215 Automatic retractable safety syringe  
A syringe includes a retractable needle assembly comprising a needle seat, a hypodermic needle, and a barrel. A hollow plunger is slidably mounted within the barrel. A seal is provided between the...
7458962 Retractable needle medical device for injecting fluid from a pre-filled cartridge  
A device for injecting fluid from a pre-filled cartridge is provided. The device includes a needle for piercing a patient. After an injection, the needle can be retracted to prevent inadvertent...
7434753 Simplistic approach to design of a reusable nozzle hub  
A novel hub design that enables removal of nozzle core for disposal while the hub is retained for reuse. The reusable hub provides a cost advantage over a one-piece metal design, enabling the use...
7435238 Needle device having retractable needle providing enhanced safety  
A medical device includes a base member coupled to a needle assembly and a retractor mechanism enables retraction of the needle into the base member for safe disposal of the device. In one...
7429256 Safety system for a syringe  
The safety support device for a syringe comprises a support sheath ( 16 ) for the body ( 10 ) of the syringe and an inner sheath ( 18 ) suitable for sliding relative to the support sheath between a...
7425205 Disposable syringe with a retractable needle  
A disposable syringe includes a barrel having a retaining region to retain a needle seat for carrying a needle cannula, and a friction diminishing region extending forwardly from the retaining...
7410478 Safety syringe with needle retracting mechanism  
A safety syringe includes a flexible holder-supporting seat that is sleeved around and that clamps a needle holder within a front end portion of a syringe barrel. A flexible sealing member seals an...
7407495 Syringe assembly having disabling mechanism  
A syringe assembly having passive disabling structure includes a barrel and a plunger rod assembly. The plunger rod assembly includes a plunger rod and a stopper connected by an indexing locking...
7399292 Activation of dual blunting needle assembly  
A needle assembly that is adapted for blunting of both an intravenous puncture tip and a non-patient puncture tip is provided. The needle assembly includes a hub having an opening, an intravenous...
7399293 Syringe assembly having disabling mechanism with tamper resistance features  
A syringe assembly having passive disabling structure includes a barrel and a plunger rod assembly. The plunger rod assembly includes a plunger rod and a stopper connected by an indexing locking...
7396342 Safety syringe for taking blood  
A safety syringe for taking blood has a hollow barrel having a bottom open end, a top end, a rectangular hole defined in the top end to have two opposite long sides and two opposite short sides, a...
7393340 Disposable safety syringe including an automatically retractable needle  
The present invention relates to a disposable safety syringe ( 1 ) including an automatically retractable needle ( 12 ) for preventing said syringe from being reused, comprising a cylindric body (...
7390312 Passive safety shield system for injection devices  
A passive shield system for a syringe including a body, shield, spring and ring which provide an interlock of the shield in the retracted position prior to receipt of the syringe for bulk...
7387615 Single use syringe having safety shield  
A single use syringe assembly includes a barrel having a chamber for retaining fluid, an open proximal end and a distal end including an elongate tip extending distally therefrom having a...
7381199 Structure of safety hypodermic syringe  
A safety hypodermic syringe includes a barrel, which has a tapered hollow connector disposed at the front side and holds a needle assembly, a hollow plunger inserted into the barrel, and a...
7364569 Retractable safe syringe  
A retractable safety syringe includes a needle set, a barrel and a plunger. The needle set is attached to the barrel, and has a first engaging portion at one end. The plunger is mounted with a...
7357785 System for detecting air  
A dual port syringe has an upper port for connection to a fluid reservoir and a lower port for delivery of the medical fluid under pressure to a patient. A first valve is connected between the...
7357783 Safety system for a blood collection device  
A system includes a needle for aspirating fluid. A holder supports the needle and a guard is moveable to selectively cover the needle. Initially, a cantilevered tab on the guard is moved into a...
7351225 Safety indwelling needle  
There is provided a safety indwelling needle comprising an inner needle unit 1 having an inner needle 11 , an inner needle hub 13 provided on a proximal end of the inner needle 11 and a...
7351224 Retractable syringe assembly designed for one use  
A syringe assembly having a retractable needle, the syringe assembly being rendered unusable after a single injection and having a hollow syringe body, a retraction mechanism with a spring disposed...
7344516 Catheter-advancement actuated needle retraction system  
A catheter-advancement actuated needle retraction system is disclosed herein. The invention includes a generally hollow barrel that houses a needle hub, which can include a flashback chamber. A...
7344517 Syringe having a retractable needle  
A medical device for delivering a medicament to a patient. The device includes a syringe barrel assembly having a syringe barrel with a plunger movably insertable therein to expel medicament in the...
7338469 Pre-filled retractable needle injection device  
A needle-bearing device for injecting medicinal fluid from a pre-filled vial is provided. After use, the needle is retracted into the body of the device to prevent inadvertent contact with the...
7331936 Cylindrical pushrod for needle-retracting safety injector and the needle-retraction controllable safety injector  
The invention provide a cylindrical pushrod for the syringe needle-retracting safety injector, comprising an outer cylinder, an inner cylinder, a push pole, an underpinned piece and a seal gasket;...
7329238 Safety needle medical bearing devices  
The present invention relates to a syringe ( 10 ) for administering injections of medicinal fluids to a patient or withdrawal of fluid, such as blood from a patient. More specifically the present...
7326189 Assembly of winged needle and protector sheath for winged needle  
A protector sheath for winged needle capable of accommodating a winged needle having a needle tube with a sharp blade edge, a hub firmly attached to a proximal end portion of the needle tube, and a...
7322956 System and method for mixing at least four components  
System for mixing four components including a first syringe arrangement and a second syringe arrangement each with two chambers for holding components. Each of the two respective chambers of the...
7322941 Arterial syringe safety vent  
An improved arterial syringe safety vent is dually optimized for needle safety and arterial blood degassing efficiency. The safety vent of the invention includes a housing, a needle lock to capture...
7320680 Single-use syringe  
A single-use syringe includes a barrel having front and rear passageways and a shoulder disposed there between, a plunger movable in the rear passageway, a carrier having a tail portion extending...
7320682 Safety device  
A safety device for a needle is provided. The device includes a spring biased sheath which acts to cover the needle before and after use. The safety device also includes a spring biased lock which...
7314462 Passive needle-stick protector  
The present invention relates to a needle-stick protector for an intravenous catheter having a body, a needle hub, a needle, and means for ensuring that the needle-stick protector is not removed...
7314464 Pen needle and safety system  
A safety shield system having a needle assembly with a safety shield movable from a first position enclosing an end of a needle cannula, to a second position exposing the end of the needle cannula...
7306576 Medical needle device with mis-punctuation prevention shield  
In a medical needle device having a shield for reduction of needlestick injuries, a protrusion is formed on an outer peripheral surface of a hub to which a needle is mounted, a height of the...
7303547 Interchangeable needle safety syringe  
The present invention is a safety syringe for use with a plurality of interchangeable needles. The plurality of needles may be inserted by the user into the safety syringe for use. In operations,...
7303545 Protective housing for a butterfly needle  
A butterfly-needle set has an elongated two-part case forming a pair of transversely open slots. An elongated needle in the case has a pair of generally coplanar and oppositely projecting wings...
7303546 Safety insert for single-use disposable syringes  
Safety insert for disposable syringes, comprising at least one attachment member whose point allows advance of the stem during injection of the syringe content and prevents its retraction once said...
7300416 Pre-filled retractable needle injection ampoules  
Pre-filled injection ampoules for administering a readily-available dose of fluid medication, are provided with a retractable needle. The needle is held in a projecting configuration from a barrel...
7300422 Protective sheath for a cannula, injection unit comprising such a sheath and needle provided with such a sheath  
The present invention relates to a protective sheath for an injection needle or cannula arranged on a cannula-holding support, said sheath comprising guide means making it possible at least to move...
7297135 Hollow needle applicators  
A fluid filled cartridge having a fixed needle and a piston assembly for expression of its contents is mounted inside an applicator. In order to extend the needle from the body prior to cartridge...
7294118 Retractable needle assembly  
A fluid collection or infusion set is provided. The set includes flexible tubing with a fitting attached to a proximal end and a needle assembly attached to the distal end. The needle assembly...
7291130 Safety needle and catheter assembly  
A catheter and introducer needle assembly having a needle with a proximal and distal end attached to a needle hub and a bent area therebetween. The device further includes a tubular catheter having...
7291128 Medical kit comprising a catheter, a needle and its case  
A sheath is provided with a stationary deflector disposed on the path of the slider so that contact between the slider and the deflector causes the slider to be inclined and consequently causes the...
7288078 Spring loaded automatic retractable needle syringe  
A spring loaded retractable needle syringe comprising a body, a central tube coaxially mounted within said body, a needle carrier and needle slidably mounted within said central tube, a spring...
7285110 Retractable hypodermic safety syringe  
A retractable hypodermic safety syringe device is provided for encapsulating a needle after use to prevent accidental needlesticks. The retractable syringe device includes a syringe barrel having...
7282042 Safety syringe  
A safety syringe has a simple structure, is convenient to use, and has a low cost. The safety syringe includes a sliding casing, a needle, a syringe barrel, a piston, a latching casing, a spring...
7276049 Disposable safety syringe  
A disposable safety syringe designed to prevent syringe handlers from being pricked by a needle by covering the needle with a needle shield, is provided. Special attention should be given to...
7267664 Self-locking safety disposable syringe with needle protection after use  
The invention refers to the field of self-locking safety disposable syringes with needle protection after use. The syringe comprises a hollow barrel ( 1 ) ending on its lower side with an internal...
7264613 Spring clip safety IV catheter  
A safety IV catheter includes a unitary, resilient needle guard received in a catheter hub. The needle guard includes a proximal arm or wall that includes an opening through which a needle passes...
7258678 Retractable safety needle  
A retractable safety needle apparatus is provided. The apparatus includes a needle holder with opposite proximal and distal ends. A needle assembly is mounted in the needle holder for movement from...
7250036 Intradermal syringe and needle assembly  
A method for using a needle assembly for an intradermal injection, and a drug delivery device is provided, which includes a needle cannula and a limiter surrounding the needle cannula and includes...