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| Number | Title | Issue Date |
| 8088110 | Automatically retractable safety injector for non-liquid material A safety injector comprises a needle hub attached by a needle, a hollow barrel for engaging with the needle hub and guiding the needle hub to retract into the hollow barrel, and a plunger combination settled in the hollow barrel. The plunger combination comprises a ... | 01/03/2012 |
| 7993307 | Safe medical syringe with an automatic slowly retractable needle A needle gradually auto-retractable safety medical syringe includes a hollow barrel, a plunger provided in the barrel, a piston provided on the head of the plunger, a hub provided on the head of the barrel. The hub includes an elastic connecting hub providing with a... | 08/09/2011 |
| 7947020 | Retractable safety syringe A retractable safety syringe may have a ferrule and needle which are selectively removeable from a distal end of a syringe body. In particular, the ferrule may have an annular flange. A wedge element may be frictionally engaged to the ferrule and a distal end of the... | 05/24/2011 |
| 7846135 | Retractable needle syringe with needle trap A syringe includes a hollow barrel and a hollow plunger extending into the barrel and being axially movable within the barrel, where the plunger includes an end wall that is releasably secured to the plunger at an opening disposed at a distal end of the plunger and ... | 12/07/2010 |
| 7794433 | Assembly of plunger and needle hub safety syringe needle device An improved assembly of plunger and needle hub for a safety syringe needle device is disclosed, which comprises a syringe barrel, a needle hub and a plunger. The syringe barrel is shaped as a tube and has an interior periphery thereof shaped as a straight tube. The ... | 09/14/2010 |
| 7578806 | Disposable syringe with retractile needle A disposable syringe having a double hook element (9), causing, after a piston stroke toward the end of the socket element (4) of the needle, allowing retraction within the reservoir (1) during the reverse stroke of the piston (2). A spri... | 08/25/2009 |
| 7572247 | Syringe A retractable needle safety syringe is provided having a braking mechanism. The braking mechanism may be disposed at a proximal portion of a syringe body of the syringe. The braking mechanism may comprise split brake members which are traversable between a braking p... | 08/11/2009 |
| 7481797 | Retractable needle single use safety syringe A safety syringe assembly includes an elongated, generally cylindrical barrel having a hollow interior forming a hollow nozzle located at a distal end of the barrel and opening into the interior of the barrel. A plunger is slidably mounted in the barrel and has a lo... | 01/27/2009 |
| 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 of a dispensing system that is of high quality and low cost to prolife... | 10/14/2008 |
| 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 open front end of a plunger so as to define a vacuuming chamber in t... | 08/12/2008 |
| 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 (82) defining, at one end thereof, a needle coupling e... | 07/01/2008 |
| 7393343 | Retractable hypodermic syringe A hypodermic syringe includes a barrel with a plunger slidably extending therein. The plunger includes an outer plunger element and an inner plunger element telescoping together. A plunger cap may be advanced after injection to rotate the plunger. A resistance lock ... | 07/01/2008 |
| 7393344 | Hypodermic syringe needle assembly and method of making the same A retractable needle assembly for use in medical procedures comprising a needle assembly including a hub, a hollow needle passing through the hub and projecting from the posterior end of the hub. A tubular sheath having a longitudinal slot extending along a portion ... | 07/01/2008 |
| 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 compressive piston and terminates in a second engaging portion. The pisto... | 04/29/2008 |
| 7361159 | Passive safety shield A safety apparatus is provided which includes a needle hub having an arm extending therefrom and an extensible frame connected to the needle hub. The extensible frame includes a proximal segment that is hingedly connected to a distal segment. The extensible frame is... | 04/22/2008 |
| 7361162 | Medicinal syringe with piston stopper withdrawal and rotation-limiting means The syringe is formed according to DIN ISO 11040 and has a syringe barrel (1) with a syringe head (1a) formed on one end and a grip plate (4) formed at the other open end. An elastomeric piston stopper (6) is insertable in this ope... | 04/22/2008 |
| 7361166 | Cannula protecting cover A cannula cover for use with an injector or injection device, wherein the injector or injection device includes a dosing section and a cannula support, and wherein the cover is attached to the cannula support and can be retracted against a bias in order to expose a ... | 04/22/2008 |
| 7357789 | Specially designed syringes for dispensing granular or powdered solids An apparatus and method for delivering a granular or powdered material, e.g., a bone growth promoting material. The inventive syringe apparatus includes a syringe barrel having a proximal and distal end, a lid attached to the syringe barrel that is selectively movab... | 04/15/2008 |
| 7357808 | Single use device for blood microsampling A lancing device including a spring-driven lancet translationally mounted within a housing. The lancet has at least one resilient finger extending outwardly therefrom and engageable within a cooperating recess formed in the housing to prevent re-use of the lancing d... | 04/15/2008 |
| 7357784 | Safety shield for medical needles A medical needle shield apparatus is provided which is slidably movable along a medical needle from a proximal position where a distal end of the needle is exposed, to a distal position where the shield protects the distal end of the needle. The medical needle shiel... | 04/15/2008 |
| 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 in the front portion of the syringe and an inner head, a continuous ... | 04/01/2008 |
| 7341573 | Safety shield for medical needles A medical needle shield apparatus is provided that includes a needle hub having an outer needle cannula extending therefrom. An inner needle is disposed for slidable movement with the outer needle cannula. At least one shield is extensible from a retracted position ... | 03/11/2008 |
| 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 sharpened end of the needle. In one embodiment, the invention provides a ... | 03/04/2008 |
| 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; the push pole is set at the front end of chamber of outer cylinder, i... | 02/19/2008 |
| 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 invention is a syringe device (10) for injecting medicatio... | 02/12/2008 |
| 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 is operable to lock the sheath in a safe position unless the biasing ... | 01/22/2008 |
| 7314461 | Precalibrated inflation device for balloon catheter A medical device including an inflation element, such as a syringe, and a balloon catheter in which the inflation element includes a series of indicia to which an operative portion of the inflation device can be aligned. The indicia directly correspond to a particul... | 01/01/2008 |
| 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 for injection, to a third position lockingly enclosing the end of a n... | 01/01/2008 |
| 7303550 | Disposable syringe with a retractable needle A disposable syringe includes a tubular needle seat inserted into a barrel for fixing a needle cannula. The needle seat has an axially extending cavity with a radially yieldable catch disposed therein. A plunger is movable in the barrel, and has an engaging head def... | 12/04/2007 |
| 7300423 | Safety device with trigger mechanism A safety device, usable in particular with hypodermic needles, and incorporating a trigger mechanism which when activated primes the device to initiate the unsheathing of the needle in use by flexing one or more needle-surrounding legs away from the needle axis; the... | 11/27/2007 |
| 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 against a rearward bias exerted on the needle by a spring located wit... | 11/27/2007 |
| 7291133 | Device for the metered administration of a fluid drug A device for the metered administration of a fluid drug. The device has a container having a piston for administering the fluid drug through an outlet of the container, a catheter connected to the outlet of the container, the catheter having a front end facing away ... | 11/06/2007 |
| 7285111 | Apparatus and methods for transportable medical fluid administration The exemplary embodiment of the present invention would provide an apparatus for concealed transport of a medical fluid administration device. The medical fluid administration device would be capable of infusing medical fluids to, or collecting medical fluids from, ... | 10/23/2007 |
| 7278986 | Safety syringe with needle A multi-use safety syringe has a retractable needle that retracts only when the user wants to retract the needle. The safety syringe has an internal moveable carriage that locks to an end cap with releasable locking elements. The safety syringe guards against premat... | 10/09/2007 |
| 7247275 | Gel extraction device A gel extraction device comprising a hollow cutting member and a plunger ejector member. The hollow cutting member has a proximal tubular body terminating at one end in a circular rim having oppositely disposed spring engaging structures and a distal sloped transiti... | 07/24/2007 |
| 7226434 | Safety shield A safety shield including a protective device is provided including a piercing member having a proximal end, a distal end and defining a longitudinal axis. A clip defines a first cavity dimensioned for movement of the piercing member therethrough and is oriented in ... | 06/05/2007 |
| 7220247 | Automatically operable safety shield system for syringes An automatically operable safety shield system for use with a syringe that comprises an inner holder in which said syringe may be inserted and an outer shield mounted outwards from the inner holder axially movable between retracted and extended positions in which a ... | 05/22/2007 |
| 7219434 | Metal cutting circular saw with integral sight window A metal cutting circular saw is provided with an upper blade guard which includes a first sight window disposed in a first side surface and disposed in a plane angularly offset from a plane of the blade. The upper blade guard also includes a second sight window disp... | 05/22/2007 |
| 7207951 | Apparatus for obtaining biological samples A device for collection of a fluid sample, particularly a biological sample from an internal cavity of a mammal, comprises a barrel having an opening at one end thereof, a plunger operable axially within the barrel, the barrel and the plunger defining a fluid chambe... | 04/24/2007 |
| 7198618 | Safety shield for medical needles Medical needle shield apparatus for covering a needle after use. In embodiments of this invention a shield with two or more segments hingedly connected to each other is movable from a retracted position where the needle is exposed, to an extended position where the ... | 04/03/2007 |
