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954 results about "Huber needles" patented technology

Needle cylinder injector recovery device

The invention discloses a needle cylinder injector recovery device, which comprises a recycling bin, a containing cavity is formed in the recycling bin, a box cover capable of sealing the containing cavity is rotationally mounted on the upper side of the containing cavity; a magnetic attraction block magnetically attracted with the box cover is fixedly arranged on the left side of the containing cavity; a crushing device is arranged in the box cover; the crushing device comprises crushing cutters which rotate in opposite directions; an injector is placed in the containing cavity; a needle cylinder is damaged through the rotation of the crushing cutter; a needle head of the injector is separated from the needle cylinder through a separation device; then the needle head is damaged through abending device; the needle head cannot be recovered through a first recovery cavity, crushing damage of the needle cylinder by the crushing device, and the needle cylinder is recovered by a second recovery cavity, the needle head and the needle cylinder cannot be recovered, repeated use is avoided, classified collection is achieved, later recovery treatment is facilitated, and the process is full-automatic in treatment, the operation is easy and convenient, and efficient, and capable of saving treatment time after use and high in working efficiency.
Owner:QINGDAO LONGAO MEDICAL EQUIP CO LTD

Self-blunting needle medical devices and methods of manufacture thereof

InactiveUS6254574B1Time consume stepImproved flow sealGuide needlesInfusion syringesBlunt needleMedical device
A self-blunting needle medical device comprises a needle cannula (18) fixed to a hub (20) having a receiving structure therein such as ferrule (22) and a movable blunting member (14) movably received within the cannula (18). Ferrule (22) defines a passage (38) extending therethrough, within which both the cannula (18) and the movable member (14) can be received and which establishes a coaxial relationship between them. The ferrule (22) defines a first guide surface (40) for directing the blunting end (14a) of the movable member (14) into the central bore of the cannula (18) during assembly. A second guide surface (42) performs the function of guiding the mounting end (18b) of the cannula (18) into ferrule (22) for mounting therein. Typically, the cannula (18) has a tissue puncture tip (18a). When the movable member (14) is retracted into the cannula (18), the puncture tip (18a) is exposed for use, e.g., injection into tissue. The movable member (14) is then moved to an extended position in which blunting end (14a) projects beyond the puncture tip (18a), to render the device safe with regard to subsequent accidental needle sticks. Methods of assembling the self-blunting needle are also presented. In various embodiments, the guide member may be integral with the assembled device or may be defined by a guide member that is used only in the assembly process and from which the assembled device may be removed.
Owner:BIO PLEXUS DELAWARE INC A CORP OF THE STATE OF DELAWARE & HAVING ITS PRINCIPAL PLACE OF BUSINESS AT +1

Auto-injector

The invention refers to an auto-injector (1) for administering a dose of a liquid medicament (M), comprising: - a tubular chassis (2) telescopable in a tubular case (12), - a carrier subassembly comprising a tubular carrier (7) slidably arranged relative to the chassis (2) inside the case (12), the carrier (7) adapted to contain a syringe (3) with a hollow injection needle (4), a drive spring (8) and a plunger (9) for forwarding load of the drive spring (8) to a stopper (6) of the syringe (3), wherein the syringe (3) is lockable for joint axial translation with the carrier (7), - a trigger button (13) arranged distally or laterally in or on the case (12), - a control spring (19) arranged around the carrier (7), - a needle extension control mechanism (24) for coupling a proximal end of the control spring (19) to either the carrier (7); for advancing it for needle extension or to the chassis (2) for needle retraction depending on the relative axial position of the carrier (7) and the chassis (2), - a plunger release mechanism (27) arranged for releasing the plunger (9) for injection when the carrier (7) has at least almost reached an extended proximal position, - a detent mechanism (18) arranged for coupling the chassis (2) to the carrier (7) for joint axial translation relative to the case (12), wherein the detent mechanism (18) is arranged to decouple the chassis (2) from the carrier (7) upon actuation of the trigger button (13), thus allowing the carrier (7) to move relative to the chassis (2) so as to cause the needle extension control mechanism (24) to switch the proximal end of the control spring (19) to the carrier (7) for needle extension, and a syringe retraction control mechanism (25) arranged for coupling a distal end of the control spring (19) to either the carrier (7) for needle retraction or to the case (12) otherwise.
Owner:SANOFI AVENTIS DEUT GMBH
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