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5059185 |
Safety needled medical devices
Improved shielded medical devices which minimize accidental needlesticks of the skin by an exposed contaminated needle are provided. The medical devices includes a hollow inner tube body having a...
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5059180 |
Automatic needle tip guard
A guard for the tip of a hypodermic needle which is activated automatically when the needle is withdrawn after use. The guard resides initially around the shaft of the needle near the needle tip....
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5057089 |
Syringe needle guard
A syringe needle guard is adaptable to the common syringe to provide for protection against accidental needle sticks. The adaptable needle guard provides a safety sleeve for use over any standard...
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5057086 |
Safety syringe
A tubular hypodermic needle syringe has a tubular sheath that slides over the exterior of the syringe to cover the needle. The sheath is locked over the needle by a latch that engages the syringe...
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5057079 |
Sheathing device for after use protection from a syringe needle
A syringe sheathing device is provided that shields a user from post-use needles that are still attached to a syringe. A cylindrical protective sheath fits over the syringe and may be extended...
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5057087 |
Hypodermic needle safety system
The disclosed hypodermic syringe includes a syringe barrel, a needle extending from the barrel, a movable safety sleeve surrounding the barrel, and a sleeve cap to cover the forward end of the...
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5057088 |
Needle guard
An improved needle guard for a syringe is provided having a tubular body. The needle guard includes a longitudinal bore and one or more slots or slits formed therein. The longitudinal bore of the...
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5053014 |
Catheter with controlled valve
A catheter hub assembly is disclosed wherein the assembly contains a membrane useful in preventing backflow of blood into the flash chamber. The hub assembly contains a membrane opener which...
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5049133 |
Single-use safety syringe
The present invention relates to a safety-syringe providing a needle with a hollow core having a spring coiled around the needle. The spring is capable of expanding to retract the needle into the...
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5046508 |
Syringe with retractable needle
A medical instrument comprises a needle which is movable between an extended operative position where the needle is exposed for use and a retracted inoperative position where the needle is covered...
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5045066 |
Dental needle with stick resistant protective sleeve
A protective device for a dental needle is disclosed. The device comprises a generally cylindrical sleeve having therein a sliding hub assembly adapted to receive a dental syringe having a cannula...
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5037402 |
Dual-chamber safety syringe
A hypodermic syringe incorporating a post-injection safety sheath for enclosing the sharpened needle tip. The hypodermic syringe incorporates parallel main and sheath chambers, the main chamber...
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5030209 |
Holder for double ended blood collection retractable needle
A holder includes a double ended needle supporting insert translatable within a cylinder for receiving a blood collection tube during a medical procedure. Upon translation of the insert...
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5026353 |
Multi-chamber safety syringe
A hypodermic syringe incorporating a post-injection safety sheath for enclosing the needle tip. The hypodermic syringe incorporates a central chamber and two slide chambers disposed on opposite...
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5026356 |
Safety device for needles of hypodermic syringes
Hypodermic syringes with accompanying hypodermic syringe needles may readily utilize the disclosed safety device to achieve less operator risk of needle stick injury and less risk of body fluid...
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5024659 |
Breakable needle and hinged needle guide
A needle guide is provided which includes a hub and a needle connected to the hub. A stylet may also be provided for insertion into the hollow interior of the needle to aid in the insertion of the...
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5024616 |
Disposable sheath for hypodermic cannula used with a syringe
A protective device for a removable cannula used with a hypodermic syringe includes an elongated sheath open at one end. A piston in the sheath is slidable longitudinally between an extended...
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5024660 |
Syringe shield
Disclosed are hypodermic syringes having special safety features for preventing the user from inadvertently pricking himself with the needle. In the preferred embodiment the barrel of, for example,...
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5015241 |
Safety system for hypodermic syringe and needle
A simple, economical, easy to manufacture and use system for protecting against unintended pricks from used hypodermic syringes and needles, and the leakage of fluid therefrom is disclosed. The...
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5015242 |
Medical needle unit
A medical needle unit has a needle having a tip and insertable in and withdrawable from a patient, and a protective element for preventing accidental puncture by said tip of said needle after the...
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5013305 |
Needle safety system and method
A device and method for preventing accidental needle sticks. A sleeve having an annular shaft is slidably connected to a needle. A cord is rigidly affixed to the hub of the needle at one end...
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RE33585 |
Shielded safety syringe
A disposable syringe having particular application to vacuum tube phlebotomy and comprising respective inner and outer needle carrying and protective cylinders which are coaxially aligned and...
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5013301 |
Syringe holder
A holder for a syringe to protect the user after administering an injection. The holder has a housing with an open end to receive the syringe barrel so that the needle projects beyond the other end...
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5011479 |
Cover and connector for hypodermic needle
A needle connecting apparatus for connecting a needle to a syringe and for covering the needle for disposal includes a connector housing. A first mounting point on the connector housing mounts the...
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5000740 |
Catheter with needle guard
A catheter device is described with a safety needle guard that covers and protects the needle after use of the device. The device includes a semi-tubular needle housing containing a flash chamber...
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4998924 |
Double sleeve safety syringe
An improved safety syringe is disclosed herein comprising a locating ring positioned on the distal end of a syringe barrel and a pair of first and second sleeves which interact with a projecting...
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4998920 |
Protective assembly for hypodermic syringe devices
A protective assembly is provided for adaptation to conventional hypodermic syringe devices or to be made as an integral part of such devices upon their manufacture. The protective assembly...
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4997422 |
Hypodermic syringe with needle shield
A needle shielding device attachable to a hypodermic syringe for protecting a user from contacting the tip of a needle. The device comprises a generally cylindrical needle shield slidably engaging...
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4994042 |
Combined catheter and needle
A combined needle and catheter assembly comprising a body in which is provided a plunger having the needle at one end with the catheter enclosing said needle with the tip exposed. A pusher is...
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4994041 |
Needle and catheter assembly
A disposable needle assembly (10) includes a hub (16) for connecting the assembly (10) to a fluid conduit, the hub (16) including a passageway (24) extending therethrough. A hollow needle portion...
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4994045 |
Split sleeve safety syringe
A safety syringe including a conventional syringe, a locating ring and an elongate and tubular sleeve wherein the locating ring includes an outwardly extending projecting tab thereon which extends...
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4994046 |
Needle guard for syringe
An elongate cylindrical body portion and a spoon-shaped shield member are injection molded as a single unitary piece of transparent polypropylene. The cylindrical body portion has a longitudinally...
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4994034 |
Retractable needle hypodermic syringe system
A hypodermic injection system with a retractable needle wherein the needle retracts within the interior cavity of a syringe plunger, so that the needle is safely and confinedly held within the...
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4991601 |
Holder for blood sample tube
A blood sample tube holder for holding a blood sample tube includes a holder body having a needle joint on one end for connection to a blood sample collecting needle, the holder body having an open...
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4990141 |
Single-use syringe
A syringe which is suitable for discarding after a single use takes the form of a generally tubular syringe body which has a double-ended hollow needle extending generally axially through a first,...
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4986819 |
Pressure sensitive needle guard
The invention features a needle guard for a hypodermic syringe that will prevent repuncture by a used needle. The needle guard has a flexible membrane that expands when pressure actuated to cover...
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4985021 |
Safety enclosure system for medical devices
A system for protecting an individual against injury or infection from a sharp instrument such as a needle or syringe includes a sheath slidably attached to the mounting. The sheath is locked in an...
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4978343 |
Trap in barrel one handed retractable safety syringe
A disposable hypodermic syringe having a needle cannula fixed to a piston assembly. The piston assembly is held within the elongated hollow barrel of said hypodermic syringe by a compressed spring...
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4976702 |
Syringe needle guard
A shield for a syringe mounted hypodermic needle which utilizes a translucent sheath. The sheath extends over the barrel to one position adjacent the barrel flange and to another position or beyond...
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4974603 |
Needle ejector apparatus for a blood sample vacuum tube container
A needle ejector apparatus to be used for removing a needle from a blood sample vacuum tube container, the apparatus being structurally adapted to receive a vacuum tube container and attached...
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4973316 |
One handed retractable safety syringe
A disposable hypodermic syringe having a needle fixed to a piston assembly. The piston assembly is held within the barrel of said hypodermic syringe by a compressed spring and a trigger. When said...
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4969877 |
Syringe
A syringe assembly which greatly reduces the chances of an operator coming in contact with an infectious needle. The syringe assembly includes an outer casing within which an inner chamber slides....
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4969876 |
Needle protector
A needle assembly of the so-called butterfly type in which the needle is retractable into its holder by pulling rearwardly on the flexible feed tube. The rearward movement of the needle is stopped...
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4968304 |
Syringe
A sheath for the needle of a hypodermic syringe to isolate the needle so as to avoid contamination and injury, particularly after use of the needle. The sheath comprises a hollow body having an...
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4966592 |
Protective sleeve for hypodermic needle
A hypodermic syringe barrel is provided with an external rotatable and slidable protective sleeve extendable and retractable relative to a needle mounted from the barrel and the sleeve is lightly...
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4966593 |
Disposable hypodermic syringe with retractable needle
A disposable hypodermic syringe capable of use only one time and including a needle which is automatically retracted within a tubular housing after use to prevent accidental needle sticks. The...
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4961730 |
Hypodermic syringe with sliding cap
A needle and cap assembly for attaching to a hypodermic syringe body includes a needle mounting structure, a needle, and a cap slideably mounted on the needle mounting structure. The needle...
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4955868 |
Disposable safety medical syringe
A modification of a hypodermic syringe shielding the needle from user so that inadvertant puncture to the user of syringe will not occur before, during or after the injection of subject. This...
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4955870 |
Hypodermic syringe with retractable needle
A hypodermic syringe including a barrel having a closed end, an open end, and an interior surface. A plunger is reciprocally received in the barrel through the open end and in sealing engagement...
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4955866 |
Hypodermic needle recapping device
A recapping device is provided for use with medical devices including all hollow and solid medical needles of the type used for entry into the body and into closed intravenous and intraarterial...
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