Abstract: A part of a device for injecting a liquid product having an end sleeve and a syringe support which is able to move with respect to the end sleeve. The syringe support is designed to bear an injection syringe fitted with a removable protective cap. A deformable ring is kinematically connected to the syringe support. This ring can be deformed elastically between a configuration which is designed to axially immobilize the injection syringe in the syringe support, and a configuration designed to allow the protective cap to pass through the deformable ring.

Abstract: This device is intended to receive an injection syringe. The injection syringe has: a syringe body, a piston mounted slidably in the syringe body, and an injection needle fixed to a distal end of the syringe body. The automatic injection device includes a piston control member, which is displaceable in translation with respect to the syringe body, parallel to an axis X, in order to control the displacement of the piston in the syringe body, a piston rod intended to push a proximal end of the piston of the injection syringe, releasable coupling means for coupling the piston control member and the piston rod, an injection spring which bears on the piston control member and elastically stresses the piston control member towards a distal end of the injection needle. The releasable coupling means are positioned axially between the two axial ends of the injection spring.

Abstract: A device for receiving an injection syringe, configured to receive an injection syringe including a needle and a protective cap for the needle. The receiving device has a distal end and includes a member for removing the protective cap, removably fastened onto the distal end of the receiving device, the removal member including a gripping section for gripping by a user and a catch on the cap, able to drive the cap when the removal member is removed from the receiving device, so as to strip the needle. An assembly including a receiving device and an injection syringe as well as a method for assembling a receiving device and an injection syringe.

Abstract: A device for injecting a liquid product including a piston control member intended to cooperate axially, under the effect of an elastic force, with a piston rod, linked kinematically to the piston in order to make same slide. The injection device further including at least one deceleration member, being kinematically linked to the piston control member, and mounted movable in a positioning control member with which it cooperates via a deceleration cam/deceleration cam path contact, one of the deceleration cam and the deceleration cam path being carried by the deceleration member and the other by the positioning control member, the deceleration cam path including an injection portion such that, when the deceleration cam passes through this injection portion, the piston control member causes the piston to slide, the injection portion of the deceleration cam path including at least two sections referred to respectively as fast and slow, with different inclinations.

Abstract: A safety device for an injection syringe including a syringe support, a protective sheath for protecting an injection needle carried by the syringe, the sheath being mounted to slide relative to the syringe support between an injection position in which the needle is uncovered, and a protection position in which the needle is covered, the sheath having an initial grip surface enabling the device to be gripped by a user, and a return spring for urging the sheath into the protection position. The sheath also includes an extender member for extending the initial grip surface and fitted on the sheath in such a manner as to present a larger grip surface, referred to as an enlarged grip surface.

Abstract: An automatic injection device including an injection spring deformable between a compressed state prior to use and a relaxed state after injection. The device includes a plunger control member configured to apply a force to a plunger under the action of the injection spring to allow the plunger to move in the distal direction of the device. The plunger control member bears a stop that is retractable between an active configuration in which it retains the injection spring in the compressed state and a retracted position in which it releases the injection spring. The device also includes a locking member for locking the retractable stop in its active configuration, this locking member being able to adopt a locking position in which it applies pressure to the retractable stop to prevent it from adopting its retracted configuration, and an unlocking position in which the retractable stop is released.

Abstract: A safety device for an injection syringe includes a syringe support, a protective sheath for protecting an injection needle carried by the syringe, the sheath being mounted to slide relative to the syringe support between an injection position in which the needle is uncovered, and a protection position in which the needle is covered, the sheath having a grip surface enabling the device to be gripped by a user and referred to as an initial grip surface, and a return spring for urging the sheath into the protection position. The sheath also includes an extender member for extending the initial grip surface and fitted on the sheath in such a manner as to present a larger grip surface, referred to as an enlarged grip surface.

Abstract: The syringe comprises a body containing the liquid and having fitted thereto an endpiece for fastening a needle carrier. The safety device comprises a protective sheath and a syringe support that is received inside the sheath. The sheath and the support are axially movable relative to each other between two positions, namely an uncovered position of the needle, and a retracted position of said needle. The support includes anti-rotation means for constraining it in rotation about its axis and comprising at least one pawl urged resiliently into a position in which the pawl is designed to co-operate with complementary anti-rotation means of the fastener endpiece. The sheath and the support include complementary anti-rotation means for constraining them in rotation relative to each other about their axes and activated at least when the sheath and the support are in their uncovered position of the needle.

Abstract: The invention relates to a safety device for an injection syringe, the injection syringe including a body having an injection needle fitted thereon, the device including a plunger rod including a distal plunger part slidably movable in the body of the syringe, and a proximal triggering part, configured to trigger the displacement of a protection sheath, from an injection position, wherein the needle is uncovered, towards a safety position, wherein the needle is covered by the sheath. The proximal triggering part is able to move relative to the distal plunger part once the distal plunger part is at the distal end of its stroke, to trigger the displacement of the protection sheath.

Abstract: A device for receiving an injection syringe, configured to receive an injection syringe including a needle and a protective cap for the needle. The receiving device has a distal end and includes a member for removing the protective cap, removably fastened onto the distal end of the receiving device, the removal member including a gripping section for gripping by a user and a catch on the cap, able to drive the cap when the removal member is removed from the receiving device, so as to strip the needle. An assembly including a receiving device and an injection syringe as well as a method for assembling a receiving device and an injection syringe.

Abstract: A syringe assembly including a syringe and a safety device, the syringe including a barrel of tubular shape, the safety device including a member of tubular shape referred to as a syringe support in which the barrel is arranged such that the syringe support and the barrel are secured on the same axis. The syringe barrel has a flange at a proximal end that is prevented from moving in translation between a peripheral bearing seat and an abutment of the support. Interposed between the seat and the flange, the assembly includes at least one compression pad between the seat and the flange and made of a material presenting a coefficient of friction relative to at least one of the materials of the flange and of the seat that is greater than the coefficient of friction of the materials of the flange and of the seat relative to each other.

Abstract: An injection device which is configured to be pre-filled, including a vessel for storing the liquid, having two opposing ends, each provided with an opening, referred to as proximal end and distal end, and arranged to receive a sliding piston in order to exert pressure on the liquid. The vessel includes a wall including at least two vertically adjacent layers, each including vertically adjacent plastic material, the first and second layers having different gas permeability.

Abstract: A safety device for an injection device including a protective sheath driven by a spring, the safety device being capable of taking an injection configuration in which the sheath allows an injection needle to be left uncovered, and a safe configuration in which the sheath enables the injection needle to be covered; retractable catches for retaining the spring, the retractable catches retaining the spring under stress in such a manner as to hold the safety device in the injection configuration; and deactivation mechanism for deactivating the retractable catches, enabling the safety device to take a storage configuration in which the retractable catches are not subjected to stress from the spring.

Abstract: A device for the back-injection of an implant including a holder to allow a user to hold the device, an injection needle, a retainer for retaining the implant before the injection needle, a plunger having a distal part for injecting the implant during withdrawal of the needle, a protective sleeve, capable of adopting an injection position leaving the needle uncovered and a safety position covering the needle again after use of the device, and a spring designed to move the protective sleeve into their safety position, the movement of the spring being controllable by the user.

Abstract: The invention relates to a safety device for an injection syringe, the injection syringe including a body having an injection needle fitted thereon, the device including a plunger rod including a distal plunger part slidably movable in the body of the syringe, and a proximal triggering part, configured to trigger the displacement of a protection sheath, from an injection position, wherein the needle is uncovered, towards a safety position, wherein the needle is covered by the sheath. The proximal triggering part is able to move relative to the distal plunger part once the distal plunger part is at the distal end of its stroke, to trigger the displacement of the protection sheath.

Abstract: A liquid dispenser device that includes: a dispenser endpiece including a cavity having an end wall from which there extends a longitudinal liquid outlet channel; and a flow reducer member that is fitted in the cavity of the endpiece, the flow reducer member including a transverse surface that co-operates with the end wall of the endpiece to define a liquid deflector channel that extends in a transverse plane, the deflector channel being non-rectilinear.

Abstract: A syringe assembly including a syringe and a safety device, the syringe including a barrel of tubular shape, the safety device including a member of tubular shape referred to as a syringe support in which the barrel is arranged such that the syringe support and the barrel are secured on the same axis. The syringe barrel has a flange at a proximal end that is prevented from moving in translation between a peripheral bearing seat and an abutment of the support. Interposed between the seat and the flange, the assembly includes at least one compression pad between the seat and the flange and made of a material presenting a coefficient of friction relative to at least one of the materials of the flange and of the seat that is greater than the coefficient of friction of the materials of the flange and of the seat relative to each other.

Abstract: The safety device for an injection syringe includes a syringe support, a protective sheath for protecting an injection needle carried by the syringe, the sheath being mounted to slide relative to the syringe support between an injection position in which the needle is uncovered, and a protection position in which the needle is covered, the sheath having a grip surface enabling the device to be gripped by a user and referred to as the initial grip surface, and a return spring for urging the sheath into the protection position. The sheath also includes an extender member for extending the initial grip surface and fitted on the sheath in such a manner as to present a larger grip surface, referred to as an enlarged grip surface.

Abstract: A safety device for an injection device including a protective sheath driven by a spring, the safety device being capable of taking an injection configuration in which the sheath allows an injection needle to be left uncovered, and a safe configuration in which the sheath enables the injection needle to be covered; retractable catches for retaining the spring, the retractable catches retaining the spring under stress in such a manner as to hold the safety device in the injection configuration; and deactivation mechanism for deactivating the retractable catches, enabling the safety device to take a storage configuration in which the retractable catches are not subjected to stress from the spring.

Abstract: A device for the back-injection of an implant including a user to hold the device, an injection needle, means for retaining the implant before the injection needle, means required for injecting the implant during withdrawal of the needle, protective means, capable of adopting an injection position leaving the needle uncovered and a safety position covering the needle again after use of the device, and return means designed to move the protective means into their safety position, the movement of the return means being controllable by the user.