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5893844 Indwelling needle set  
Disclosed is an indwelling needle set comprising a cylinder provided with a flexible outer needle composed of a synthetic resin at the tip thereof and a plunger which is inserted in the cylinder...
5891092 Disposable safety syringe and method of making the same  
A medication delivery device for delivering medication using a piercing member. The medication delivery device includes a housing, a piercing member holder, a delivery actuator and a sealing...
5891093 Trap in hub chamber safety needle cannula syringe tip  
A syringe tip device and method wherein a safety chamber is provided at the end of the hub for a slip tip, eccentric tip, or threaded tip syringe. The hub is placed on any conventional syringe in...
5885256 Safety syringe with a needle receiving tube  
A safety syringe is particularly equipped with a needle receiving tube which safely facilitates the mounting and dismounting of a disposed needle. The safety syringe has a container, an injection...
5885257 Spring loaded automatic retractable needle syringe  
A spring loaded automatic retractable needle syringe is disclosed wherein a compressed spring is placed between a needle carrier and the distal end of the barrel and a cap placed over the distal...
5882342 Safety medical syringe with retractable needle  
A syringe for giving medical injections which has an internal mechanism for retracting the needle into the syringe after the injection has been given and locking the needle and plunger inside the...
5882337 Tip protection device  
A safety cover, which securably and reliably prevents the readvancement of the tip of a cannula once it has been retracted thereinto, is designed having an elongate body which includes an axial...
5879339 Hub for syringe, connecting structure of hub, syringe, piston, needle assembly unit, connecting structure between needle assembly unit and syringe, syringe assembly and method of assembling syringe assembly  
A syringe assembly has a hub body which can be inserted into a hub insertion hole and pulled out thereof into inside a sringe body. A chamfer portion is formed at the hub body, being capable of...
5879331 Medical devices having needle retraction and needle biasing mechanism  
A medical device includes a hollow needle having a distal tip for piercing the skin of a patient. A housing is provided for moving the needle relative to said housing between a first ready-for-use...
5876382 Safety syringe with retractable needle holder  
A safety syringe having a cylindrical hollow barrel member of semi-elastic material has a seal and stop device at the distal open end and a first restraining stop device axially spaced a...
5868713 Pneumatic retractable syringe  
A pneumatic retractable syringe in which the needle is retracted into the barrel of the syringe following use by compressed gas that is released from a gas reservoir when the gas reservoir is...
5868709 Portable modular apparatus and method for destroying medical needles  
A portable electronic (electro-mechanical) device for destroying sharp, contaminated hypodermic and other medical needles includes an upper electrode assembly, two fixed, and one moveable...
5855839 Process for manufacturing an injection device of the pre-filled type containing a dose of liquid for injection and injection device produced  
The invention relates to a process for manufacturing an injection device of the pre-filled type comprising producing, in a deformable plastics material, a tubular syringe body (101) equipped with...
5853390 Syringe for hypodermic injections  
A syringe for hypodermic injections comprising a cylindrical body inside which a plunger is fitted so as to be slideable and actuatable by means of a stem that protrudes from an open end of the...
5851196 Needle protector  
A needle protector having a body, a needle hub and a needle. The body includes a first end and a second end. The body consists of a hollow elongated cylinder defined by a continuous wall having a...
5843034 Hypodermic syringe with retractable needle mount  
A hypodermic syringe (10) comprising a barrel (14) for containing medicament or other liquid, movable piston means (16) including a shaft (40) provided with a chamber (42) and frangible chamber...
5833660 Non-reusable syringe  
Non-reusable syringe having a syringe body, a hypodermic needle and a slidable piston for drawing and discharging fluid through the needle. In one embodiment, the non-reusable syringe includes a...
5820605 Retractable syringe  
A retractable syringe includes a barrel, one end of which comprises a mounting collar. A needle carrier is releasably mounted within the collar and releaseably supports a needle cartridge. A...
5817058 Retractable catheter introducer structure  
A retractable catheter introducer structure includes a stepped housing and a retractable needle holder. The head of the needle holder is held in a first embodiment by means of a plunger tube...
5814017 Single use syringe device  
A single-use syringe assembly is provided and includes an elongated syringe barrel with a plunger assembly disposed therein. The plunger assembly includes an elongated plunger rod having a plunger...
5803918 Syringe for medicinal purposes  
The syringe for medicinal purposes features a syringe barrel (1), one end of which is formed as an adapter (2) for a cannula or a closure (3), e.g., in the form of a tip cap, and of a plunger (4),...
5800395 Medical device with retractable needle  
A medical device having an automatically retractable needle is provided with a safety latch for preventing premature or inadvertent retraction of the needle. In a preferred embodiment, the medical...
5797880 Catheter and placement needle assembly with retractable needle  
A catheter and needle assembly includes a hollow handle with a longitudinal axis defining a cavity. The handle has a proximal end and a distal end that defines a wall with an inside surface and an...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...