Match Document Document Title
6015438 Full displacement retractable syringe  
A full displacement retractable syringe has a front mounted retraction mechanism and a plunger with a sliding seal and a retraction opening with a sliding stopper. A needle holder is held in place...
6015396 Automatic cannula withdrawing device for injection syringes  
An automatic needle retraction device includes a housing and retraction device for completely retracting a needle back into the housing after use. A selector switch device includes an equalization...
6012213 Method for forming a rib on a cannula for a tip protection device  
Methods for forming a rib on a cannula for cooperation with a safety cover which securably and reliably locks the tip of a cannula in an interior chamber within the safety cover. The cover...
6013059 Medical apparatus  
PCT No. PCT/US96/08468 Sec. 371 Date May 4, 1998 Sec. 102(e) Date May 4, 1998 PCT Filed Jun. 3, 1996 PCT Pub. No. WO96/38191 PCT Pub. Date Dec. 5, 1996Medical apparatus 10 includes a barrel 12...
6013056 Self-destructing injection syringe  
A self-destructing hypodermic syringe (1) comprising an optionally graduated barrel (2) having a Luer lock-tip (13) in one end and a plunger head (5) with plunger rod (3), of the type which has a...
6010486 Retracting needle syringe  
A retracting needle syringe is described which allows safe and easy disposal of a syringe and prevents re-use of the syringe by destroying the plunger rod and needle hub and retracting the needle...
6010481 Safe disposable syringe  
A disposable syringe includes a hollow barrel, an annular outer neck and inner neck mounted on the top of the hollow barrel respectively, a first cavity contained in the inner neck and having two...
6001083 Sharps protection system  
A sharps protection system for a blood collection set, needle, syringes, other hollow needle invasive instruments and other sharp instruments such as scalpels. This system includes a sharp pointed...
RE36447 Safety device for hypodermic needle or the like  
A safety device for a hypodermic needle or for a similar instrument used in the clinical puncture of the skin comprises a sheath (6, 25 or 32) adapted to be connected to the needle (5, 21 or 33)...
5997507 Biased spring hard needle retractable IV catheter  
A intravenous catheter device having a biased spring hard needle, disposed in a soft catheter. The biased spring hard needle is held within an elongated hollow barrel wherein the biased spring...
5997513 Syringe cover cooperating with needle cover  
An improvement on a syringe needle protection device and system for practicing the same is shown utilizing a hollow needle cover, or simply cover, which may slide over or within a syringe...
5997511 Single use syringe  
A syringe (10) comprises a barrel (12), a plunger (14) and a retractable needle mount (16). The needle mount (16) is secured in an opening in one end (20) of the barrel by resiliently flexible...
5997485 Device for the controlled positioning of a trocar or a hollow puncturing needle  
A device (10) holds a hollow puncturing needle (11) which can be controllably moved in a first direction (16) within an aparture (21) in the device (10). The handle (14) can, when pushed, be moved...
5997486 Device for paracentisis and thoracentisis  
Apparatus for removing fluid from the body of a patient, such as in paracentesis and thoracentesis. Fluid may be withdrawn via a retractable needle assembly, including a sharp introducing needle...
5993419 Safety syringe  
A safety syringe includes a barrel having a front neck, a needle holder mounted in the front neck of the barrel to hold a needle unit outside the front neck of the barrel, the needle holder having...
5993418 Safety syringe  
A safety syringe is disclosed. The safety syringe has a hollow barrel and a plunger. The plunger enters the barrel from one end and a retractable needle leaves the barrel from the other end. A...
5993426 Fluid absorbable needle sheath  
The safety device of the instant invention is equipped with a fluid absorbable material at the portion of the sheath that meets the tip portion of the needle so that, as the sheath is pivoted to a...
5989220 Self-retracting IV catheter introducer  
A self-retracting IV catheter introducer automatically retracts the catheter needle safely within a housing when the connector attached to the cannula is separated from the housing after the...
5989226 Syringe with detachable drug housing  
A syringe has a drug-containing cartridge with a bung at one end which is engaged by a plunger, and a membrane at its other end which is penetrated by a needle. A connecting structure is connected...
5989219 Single-use syringe  
A syringe assembly comprises a barrel having an inside surface describing a chamber for retaining fluid. The barrel includes an open proximal end and a distal end with an elongated tip extending...
5980487 Hypodermic syringe  
A syringe for the injection or taking of fluids having a needle mounting endpiece which is detachably coupled to barrel by mating features. A plunger and a coupled seal are guided by flanges...
5976111 Automatically positioned hypodermic needle guard  
The invention presents an automatically positioned needle guard for a hypodermic needle. The needle guard includes a hollow stem having one end adapted to fit a syringe and an opposite end...
5976108 Safety vein syringe with retractable standard needle  
A safety vein syringe with retractable standard needle, including a syringe barrel, a plunger, an injection needle and a guiding mechanism formed between the needle holder and the plunger. By...
5971964 Retractable syringe  
A syringe system is providing including a body and a needle assembly including an elongated hollow shaft slidably positioned within the body. Also included is a plunger assembly for expelling...
5971966 Needle magazine  
A magazine for storing and final disposal of a snap-on needle unit has a compartment having a bottom, a cylindrical side wall, and an access opening, which compartment accommodates the needle unit...
5968020 Syringe assembly  
A syringe assembly has a cylindrical hole extending between the inside and outside of the syringe body for attachably and detachably carrying a holding member that in turn carries a liquid flow...
5968019 Safety syringe  
A safety syringe includes an injection head, a plunger and a barrel. The ection head has a needle cannula mounted to a needle seat, with the needle seat attachable to a needle seat connector. The...
5964731 Disposable, disabling safety needle for a syringe, pen-type injector, or the like, and method of making the same  
A piercing member assembly, such as a needle assembly, a lancet assembly, or the like, includes a piercing member, a piecing member base, a slidable piercing member cover and a rotatable piercing...
5964735 Fine needle aspiration safety syringe  
The invention comprises a needle aspiration safety syringe having a barrel, a plunger, a retractable needle, and a delayed engagement mechanism. The needle is functionally connected to the plunger...
5961491 Non-reusable retractable safety syringe  
A non-reusable retractable safety syringe is provided which has a hollow plunger and a seal member carried thereon. The provision of the plunger and the seal relative to the barrel permits the...
5957897 Hollow needle applicator for cartridged drugs  
A hollow needle applicator for cartridged drugs etc has provision for automatic needle retraction after cartridge contents expression. Its drugs etc cartridge (125, 225, 325) can itself be at...
5957887 Infusion catheter assembly needle protection device  
A medical catheter device that has a housing containing a needle and needle hub that are movable between a retracted position where the needle is safely within the protection of the housing and an...
5951515 Medical needle guard for catheter placement  
A side button is located at the distal end of a housing forming part of an I.V. catheter and which is movable between a first position to allow longitudinal movement of a needle ands a second...
5941850 Safety cannula  
The present invention is anti prick needle which is extendable and retractable only under positive user control. The present invention has an auto stopper that prevents inadvertent extension of...
5938641 Safety syringe  
Needle housing of simple springless syringe retracts into casing tube's barrel after use to avoid accidental needle sticks. A lip at the barrel's forward end and a far end of a rim of the needle...
5935104 Safety medical syringe with retractable needle  
A syringe for giving medical injections which has an internal mechanism for releasing and retracting a needle into the syringe after the injection has been given and retaining the needle and a...
5935109 Catheter and needle assemblies  
A catheter assembly has a needle extending within a catheter and projecting from its patient end. A slider attached with the needle is slidable rearwardly along a protective housing so that the...
5931813 Retractable and destructible safety syringe  
A retractable and destructible safety syringe including a syringe barrel, a plunger, a needle holder, a needle, capture elements formed on the needle holder or the plunger and a one-way movable...
5928188 Method of delivering fluid with a non-reusable retractable safety syringe  
A non-reusable retractable safety syringe is provided which has a hollow plunger and a seal member carried thereon. The provision of the plunger and the seal relative to the barrel permits the...
5921960 Non-reusable retactable safety syringe  
A non-reusable retractable safety syringe is provided which has a hollow plunger and a seal member carried thereon. The provision of the plunger and the seal relative to the barrel permits the...
5919165 Rotatable needle shield for needle cannula  
A needle shield assembly is provided for a needle cannula. The assembly includes a support sleeve, a stop collar and a needle shield. The support sleeve is rotatably mounted in a proximal position...
5913843 Dampening device for spring movement  
Timing of movements of a spring between a stressed and a free state is delayed by dampening the spring movement through incorporation of a component having a restricted access diameter whereby...
5911705 One step catheter advancement automatic needle retraction system  
The one step catheter advancement automatic needle retraction system of this invention includes a generally hollow barrel, a needle hub which can include a flashback chamber disposed in the...
5910130 Shield and actuator for needles  
A shieldable needle assembly includes a needle guard slidably movable along a needle cannula from a proximal position where the distal end of the needle cannula is exposed to a distal position...
5902277 Low dead space, interchangeable needle syringe  
A non-reusable syringe is provided which has an interchangeable needle, and, further, which has very low residual medication in the syringe after use. Devices for achieving the interchangeable...
5902271 Low dead space, interchangeble needle syringe  
A non-reusable syringe is provided which has an interchangeable needle, and, further, which has very low residual medication in the syringe after use. Devices for achieving the interchangeable...
5899887 Safety syringe with retractable standard needle  
A safety syringe with retratable standard needle, including a syringe barrel, a plunger and an injection needle. A commonly used standard needle holder is replaceably connected with a second...
5899883 Safety syringe  
A safety syringe includes a tubular barrel having a bottom formed with an opening and a top formed with a neck portion, a plunger configured to be slidably fitted in the barrel and provided with a...
5893842 Syringe needle isolation device  
A syringe assembly having needle isolation features includes an elongate barrel having an open proximal end, a chamber for retaining fluid and a tip portion extending from a distal end of the...
5893845 Telescoping needle shield  
A needle assembly having a telescoping shield that extends over the distal end of the needle when released by an actuator that is triggered during a standard sequence of operation of a medical...