An injection device comprises a casing, a syringe carrier located within a proximal end of the casing and being movable along a longitudinal axis of the device between a stowed position and a needle insertion position, and a drive assembly located within a distal end of the casing and being movable by an insertion driver in order to move the syringe carrier and a loaded syringe from a stowed position to a needle insertion position. The device further comprises a first formation fixed relative to the casing and a second formation fixed relative to an insertion tube of the drive assembly, the first and second formations defining between them a plurality of stop positions for the insertion tube relative to the casing, spaced along the direction of said longitudinal axis, to prevent significant rearward movement of the insertion tube along said axis when a plunger of a firing cartridge is released from a reaction assembly of the cartridge.

A low-profile universal passive protector for an IV catheter includes a connector having a tubular body and a pair of arms pivotally connected thereto. The tubular body defines an end face and the connector includes a cavity extending from the end face. An elongate sheath is snap engageable to the tubular body. A spring is insertable within the connector cavity to extend between at least one of the pair of arms and the elongate sheath when received within the cavity. A slider is moveably coupled to the sheath. The slider includes a flashback chamber formed therein. A hypodermic needle is connected to the slider and is in fluid communication with the flashback chamber. The slider is moveable along the sheath between a first position and a second position, with the hypodermic needle being drawn into the sheath as the slider moves from the first position toward the second position.

A cassette for use with an injector has a housing, and a cassette identification arrangement (cassette ID) defining a code containing information about the cassette that is detectable and decipherable by an injector. The cassette may further have a sleeve movably disposed within the housing, for holding a drug container, and a locking arrangement for interlocking the sleeve with the housing. The cassette may further have an aperture in the housing, and a cassette cap for removing a needle shield of the drug container. The cassette may have an anti-bending structure to prevent bending or flexing of the cassette cap. The injector may have a processor for controlling operational parameters of the injector and a detector communicatively coupled with the processor for detecting and communicating the cassette ID to the microprocessor to decipher the code defined therein. Also, a method of injecting a drug into a patient with an injector, wherein the sequence of actions performed by the user are controlled. Still further, a method of treating a patient in need thereof wherein a cassette containing a drug is provided and administered to the patient using an injector.

A medical injection system comprising: a syringe provided with a barrel, a stopper and an injection needle; a plunger rod which engages with the stopper; an injection lock preventing relative movement of the plunger rod with respect to the barrel; and a needle guard comprising a trigger portion and configured to slidably engage the barrel so as to define a first position covering the injection needle and a second position not covering a predetermined portion of the injection needle. The trigger portion is adapted to disengage the injection lock from the plunger rod when the needle guard moves from the first position to the second position.

An apparatus for use with a syringe to provide a safety syringe, the apparatus comprising: a sheath (100; 300; 500; 700; 900; 1100; 1300) deployable for at least partially covering a needle of the syringe; a sheath actuator (102; 302; 502; 702; 902; 1102; 1302) for deploying the sheath; and a ratioed mechanism (104; 304; 504; 704; 904; 1104; 1304) linking the sheath and the sheath actuator and configured such that a magnitude of movement of the sheath is greater than a magnitude of movement of the sheath actuator during deployment of the sheath.

Disclosed herein is a fluid dispenser comprising a barrel defining a longitudinal axis terminating at a first fluid delivery end region; a body movable along the barrel relative to the first fluid delivery end region, the body including a needle carrier, a plunger and a capsule carrier therebetween, a latch interface between the body and the barrel and responsive to a release force therebetween caused by compressive engagement of the barrel at a fluid delivery site on a patient, to enable travel of the plunger and capsule carrier toward the needle carrier, to a dispensing configuration in which an upstream end of the needle pierces the capsule and projects form the first fluid delivery end region to deliver a fluid to the fluid delivery site.

The present invention provides a needle unit (10) for use with a pen injection device, wherein the needle unit (10) comprises a needle shield (50) and an axially movable needle hub (25).

An injection device, for example, an auto-injector of any type, includes a sleeve configured to hold a medicament chamber. The sleeve may be sufficiently deformable such that it functions as a shock absorbing member to distribute the force exerted on the medicament chamber during use of the injection device.

Safety needle device (1) comprising: a hub (10) configured to be connected to a vessel, a needle (20) attached to the hub (10), the needle (20) extending along a longitudinal axis (X-X) between a distal end (21), formed for insertion into a patient, and an opposed proximal end (22) formed to be connected to the vessel, a shield (30) slidable relative to the hub (10) along the longitudinal axis (X-X) and rotationally constrained around the longitudinal axis (X-X), the shield (30) being slidable irreversibly from an initial position, before injection, to a locking position, after injection passing through an intermediate position, a housing (40) attached to the hub (10) and surrounding a portion of a portion of the hub (10) and a portion of the shield (30), an elastic member (50) arranged within the housing (40) and acting the shield (30), the elastic member (50) being biased to push the shield (30) towards the distal end (21) of the needle (10) and contrast a longitudinal sliding of the shield (30) towards the proximal end of the needle (10), a sleeve (60) arranged within the housing (40) and mounted rotatable around the longitudinal axis (X-X) relative to the shield (30) and the housing (40), a locking arrangement (70) comprising at least a first locking member (71) formed on the shield (30) and at least a second locking member (72) formed on the sleeve (60), the first locking member (71) cooperating with the second locking member (72) to rotate the sleeve (60) upon sliding of the shield (30) and to lock the shield (30) in the locking position, the shield (30) surrounds at least partially the sleeve (60), the safety needle device (1) comprises a guiding arrangement (80) comprising first guiding members (81) formed on the shield (30) and second guiding members (82) formed on the housing (40), the first locking members (81) cooperating with the second locking member (82) to guide the sliding of the shield (30) along the longitudinal axis (X-X) and to prevent rotation of the shield (30) relative to the housing (40).

Safety needle device (1) comprising: a hub (10) configured to be connected to a pen-injector, the hub (10) comprising a lateral wall (11) and an upper wall (12) which define therebetween a cavity (13) extending between the upper wall (12) and an lower aperture (14) able to receive the pen injector; a needle (20) attached to the hub (10), the needle (20) extending along a longitudinal direction (X-X) between a distal end (21), configured for insertion into a patient, and an opposed proximal end (22) configured to be connected to the pen injector, a back-end shield (30) slidable along the longitudinal direction (X-X) within the cavity (13) of the hub (10) and rotatable about the longitudinal direction (X-X), the back-end shield (30) being movable irreversibly from an initial position, before connection of the pen injector to the hub (10), to a locking position, after removal of the pen injector to the hub (10) passing through an intermediate position, an elastic member (40) arranged within the cavity (13) and acting between the upper wall (12) and the back-end shield (30) to urge the back-end shield (30) towards the proximal end (21) of the needle (10) along the longitudinal direction (X-X), a locking arrangement (50) comprising at least a first locking member (60) formed on the back-end shield (30) and at least a second locking member (70) formed on the hub (10), the second locking member (70) cooperating with the first locking member (60) to guide the back-end shield (30) from the initial position to the locking position and to lock the back-end shield (30) in the locking position, the second locking member (70) comprises a passing through guide (71) formed on the lateral wall (11) of the hub (10); the first locking member (60) comprises a protrusion (61) configured to engage the guide (71) and to slide along the guide (71).