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Document Title |
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5795336 |
Automatic needle protector having features for facilitating assembly
A needle protector device including a mount having a needle subassembly attached to an upper end, an open lower end, and an aperture in the side of the mount. The aperture includes an entrance...
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5792107 |
Disposable safety syringe
A disposable safety syringe in which the needle is automatically retracted after use to a position inside the tubular body of the syringe. The syringe, when retracted, cannot be reused; the...
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5782804 |
Needle retraction mechanisms
A fluid handling device has a needle retraction assembly which brings about the retraction of a hollow needle after use. A hollow body portion is provided at one end, with an end wall having a...
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5779686 |
Disposable medical instrument
A disposable medical instrument wherein at least part of the portion which does not directly contact the mucosa in body cavities is composed of a material containing hydrophilic polymer such as...
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5779683 |
Injector module for a syringe and pre-filled syringe provided therewith
An injector module (40) and a one- or two-component syringe comprising the same, the module including a cylindrical barrel (41), a needle (43) extending from the end thereof, and a protective...
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5762628 |
Safety syringe with breakaway seal
A safety syringe including a hollow barrel member having a substantially cylindrical shaped plunger receiving cavity formed therethrough, the plunger receiving cavity terminating in a plunger...
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5759177 |
Injection device which is rendered unusable on the completion of its use
An injection device comprising a hollow body (11) having a forward end (12) and a rearward end (13), the forward end (12) slidably receiving a hollow needle (15), the body (11) providing a chamber...
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5752936 |
Safety vacuum syringe with two opposite needles for blood sampling
The present invention relates to a safety vacuum syringe with two opposite needles for blood sampling, which mainly comprises a cylindrical barrel, a bell type sleeve, a needle unit, a cylindrical...
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5741230 |
Hypodermic needle extraction disposal system and device
Disclosed herein is a syringe sterilization and disposal unit which utilizes a micro-processor controlled artificial intelligence for operation of the necessary functions to render a used syringe...
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5738655 |
Nonrefillable syringe
A nonrefillable syringe including a unique plunger stem/piston arrangement which is designed to disconnect after an injection has been completed. A piston is removably connected to a plunger stem...
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5733261 |
Single use locking syringe
A locking syringe is disclosed which comprises a plunger, a cylinder, and a locking member for preventing the syringe to be used more than one time. The plunger includes an indention near its upper...
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5725501 |
Safety syringe system
A safety syringe uses a flexible, compressed, elastomeric O-ring to frictionally hold a needle holder with a needle in place. After use, the safety syringe is placed in a receptacle in the lid of a...
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5722951 |
Hypodermic non-reusable syringes without voluntary intervention of the user
An autodiscardable hypodermic syringe having a preset piston stroke limitation includes an elongated cylinder having an opened end an opposite substantially closed end. A conduit of an external...
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5722960 |
Retractable needle system
A retractable needle system for use with a medical device is described. The system uses a retractor which engages the well of a needle support means and retracts the needle support means containing...
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5718239 |
Method of activating a needle assembly having a telescoping shield
A method of using a needle assembly having a telescoping shield that extends from a starting retracted position to a venipuncture partially extended position during the standard sequence of...
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5709662 |
Cartridge for an injection device
An assembly for automatically injecting a fluid into the body is provided. The assembly includes a drive assembly, which can be reused many times, and a disposable assembly including a sleeve which...
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5709667 |
Hypodermic needle protection system
A hypodermic needle assembly for use with an injection device. The needle assembly includes a sheath having a front end and a recess extending inwardly from the front end of the sheath, and a...
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5709659 |
Non-reusable injection device
The present invention is directed to a drug containing non-reusable syringe having a hollow plunger rod provided with a rupture line for permanently detaching its rear part which can be engaged...
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5702367 |
Retractable-needle cannula insertion set with refinements to better control leakage, retraction speed, and reuse
Leakage of blood from the insertion set, during and after safety-needle retraction, is suppressed by components that receive and retain flash blood for viewing--notwithstanding forces developed...
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5702369 |
Extendable device for enclosing cutting surfaces of surgical instruments
A device attached to an end of a surgical cutting tool and extendable from a retracted position with a cutting surface of the tool exposed to an extended position with the cutting surface covered...
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5702366 |
Safety fluid collector
A safety body fluid collector keeps a needle, held by a needle holder, in place frictionally with the use of an elastomeric O-ring. After use, the body fluid collector is inverted and placed over a...
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5697907 |
Safety catheter
A safety catheter assembly holds a catheter onto an assembly housing, to prevent exposure of the point of a used needle. A needle extending from a needle assembly. A needle point lock has a...
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5697908 |
Lockable safety shield for a prefillable syringe
A lockable safety shield for a prefillable syringe is provided. The design of the lockable safety shield enhances pharmaceutical manufacturers' ease of assembling the various components as part of...
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5695475 |
Syringe apparatus
Syringe apparatus is provided which can be used in multiple ways such as injecting patients with various medications, taking blood samples, or in IV (intravenous) applications. The apparatus...
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5688241 |
Automatic non-reusable needle guard
The automatic non-reusable needle guard includes an outer cylinder adaptable to a needle or needle retaining device such as a syringe. An inner cylinder is operable with the outer cylinder for...
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5685855 |
Protected needle catheter placement device with sampling provisions and method for its use
A needle assembly has an elongate hollow handle with a proximal end with provisions for attaching a fluid handling device and a distal end with an opening. The assembly has a needle with a distal...
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5683365 |
Tip protection device
A safety cover which securably and reliably locks the tip of a cannula in an interior chamber within the safety cover. The cover comprises an elongate body having the interior chamber and an axial...
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5681292 |
Retractable needle and syringe combination
A combination syringe and needle are disclosed wherein the needle is mounted to a retractable element which retracts into the body of the syringe plunger. The needle is mounted to the retractor...
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5667494 |
Prefilled injection syringe assembly
An injection assembly, at least comprising a prefilled liquid container with an outflow opening, a piston displaceable in said liquid container with a piston rod and a piston head, an injection...
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5662610 |
Automatic needle guard tip protection
A needle tip protecting device is provided for hypodermic needles, catheters and the like. The device is small enough to be stored at the base of the needle prior to and during use. After use it...
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5658255 |
Needle apparatus
A needle apparatus for intravenous applications which helps prevent needlesticks. The invention includes a needle housing to which a standard hypodermic needle is attached. The needle housing can...
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5658257 |
Syringe
A syringe for administering a medicament having a barrel provided with a needle attachment member to which a needle may be mounted and which is retained by a catch at one end of the barrel, and a...
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5658254 |
Syringe having safety needle shield
A safety syringe assembly includes a hypodermic syringe having a syringe barrel with opposed proximal and distal ends. A needle cannula is mounted to the distal end of the barrel. A collar mounted...
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5656031 |
Medical syringe and self retracting needle apparatus
Method and apparatus associated with safe retraction of medical needles after use. Embodiments are disclosed for combinations comprising medical syringes and self-retracting needle systems. An...
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5643211 |
Nozzle assembly having a frangible plunger
A nozzle assembly adapted for an injector, includes a frangible plunger. The plunger has a first driving member and a second driving member connected to the first driving member and spaced apart...
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5637092 |
Syringe plunger locking assembly
A locking assembly for the plunger of a syringe locks the plunger head inside the body of the syringe when the plunger is depressed at the end of an injection cycle. The inner wall of the syringe...
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5637101 |
Quick release needle coupling system
A quick release needle holder, comprises a tubular barrel having a needle hub receiving socket and a needle engaging plug on one end, the needle receiving socket having a segmented wall defining a...
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5637099 |
Needle handling apparatus and methods
An apparatus for safely handling a needle while removing the needle from a substrate such as an implanted access device having a resealable septum. The apparatus has a distal end and a proximal end...
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5634903 |
Syringe assembly
A syringe assembly includes a syringe body, and a plunger having a main body and a gasket mounted on its distal end portion. A needle-mounting member is detachably mounted on a distal end portion...
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5634913 |
Softening conduit for carrying fluids into and out of the human body
A medical device for introducing fluid treating material to or removing a fluid material from a body cavity of a human or animal, including: a hollow, needle-like structure having a proximal end...
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5632733 |
Tamperproof retractable syringe
A tamperproof retractable non-reusable syringe has a one piece hollow outer body with a barrel for a slidable plunger, a transition zone and a smaller diameter nose portion. An elongated needle...
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5624406 |
Syringe for administering a given number of injections
Syringe consisting of a body in which is disposed a piston (2) of the kind including at least two racks (53, 54) fitting onto the body and at least one lug carried by the piston (2), each of the...
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5624401 |
Cannula with protective device
A cannula includes a protective device mounted internally in a fixed position in the cannula chassis. The protective device includes internally a latching and locking system which functions to...
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5624408 |
Syringe
The invention relates to a syringe (1) which comprises a rod (5) mounted for reciprocating movement in relation to a container (8), wherein one end of the rod has the form of a needle (3) or is...
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5613951 |
Single use injection device
The invention is a single use injection device (1) having an injection cylinder (2) for receiving a liquid medium, an injection needle (6), and a piston (4) which can slide inside the injection...
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5613500 |
Retractable phlebotomy needle
A multi-sample blood collection needle device is provided with safety features that minimize the possibility of an accidental needle-stick. The device includes a rigid shroud that secures a...
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5609577 |
Automatically locking hypodermic needle hiding shield for a dose metering syringe
A hypodermic needle shield to be coupled to a conventional dose metering syringe to hide a hypodermic needle from view of a patient (e.g. a child) to whom an injection is to be administered so as...
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5605544 |
Safety injector with returnable needle
A kind of safety injector comprises a drug tube assemblage, an injector needle assemblage and a soft release element. A drug tube assemblage includes an outer tube for storing medicament, a hollow...
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5603699 |
Needle guard assembly
In accordance with the present invention, there is provided a needle guard assembly for a hypodermic syringe or other fluid transfer device that offers optimal protection for preventing accidental...
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5601534 |
Disposable hypodermic syringe and needle combination
The present invention provides a disposable hypodermic syringe which has an elongate, rigid, hollow chamber with a longitudinal axis, a posterior opening and an anterior opening smaller than the...
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