An injector comprises a cylindrical barrel including a discharge port, a seal body coming into close contact with an inner circumferential surface of the barrel, a plunger for pushing and moving the seal body to the discharge port side of the barrel, and a stopper disposed on one of the barrel and the plunger and coming into elastic contact with the other in a radial direction of the barrel.

An injection system includes an injection system body defining a proximal opening at a proximal end thereof and a distal needle interface at a distal end thereof. The system also includes proximal and distal stopper members disposed in the injection system body, forming a proximal drug chamber between the proximal and distal stopper members and a distal drug chamber between the distal stopper member and the distal end of the injection system body. The system further includes a plunger member configured to be manually manipulated to insert the proximal stopper member relative to the injection system body. Moreover, the system includes a valve forming an openable barrier between the distal needle interface and at least a portion of the distal drug chamber. The valve is configured to allow flow from the portion of the distal drug chamber to the distal needle interface with increased pressure in the distal drug chamber.

An apparatus can aid usage of a plunger, for example helping a medical practitioner use a hypodermic syringe to inject dermal filler. The apparatus can fasten a thumb rest of a plunger of the syringe to a thumb of the practitioner and can support one-handed operation of the syringe. With the plunger so fastened, reverse thumb motion can retract the plunger for aspiration, and forward thumb motion can advance the plunger for injection. The apparatus can comprise a member extending at least partially around the practitioner's thumb. The member can comprise an aperture configured to retain the thumb rest between the thumb and the member, with a shaft of the plunger passing through the aperture.

Insulin injection syringes are disclosed that include two types of components, namely, durable components that that do not contact the fluid path and can be reused, and disposable or single-use components that contact the fluid path and are not reused. The durable components do not contact the fluid path so that sterility is not affected. Two different syringe components include a reusable outer sleeve containing scale markings for the syringe and a reusable syringe plunger are provided as durable components in embodiments of the present invention. Syringes manufactured according to the present invention can employ one or both of these durable components. Methods for making, using and packaging such syringes are also disclosed.

A safety device for an injection syringe including a syringe support, a protective sheath for protecting an injection needle carried by the injection syringe, the protective 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 protective sheath having an initial grip surface enabling the device to be gripped by a user, the initial grip surface being a projection that extends outward from the protective sheath, 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, being a separate piece from the protective sheath, attached to the protective sheath in such a manner as to present an enlarged grip surface, larger than the initial grip surface.

A safety device for a medicament container includes a first sheath having a first ledge and a second ledge, a second sheath telescopically arranged with the first sheath and releasably coupled to the first ledge, and a finger flange having at least one resilient clip adapted to engage the second ledge first sheath.

The present invention relates to a plunger (20) and a finger grip (30) for a syringe assembly (100), methods for manufacturing them, to a syringe assembly (100), to a kit comprising parts of a syringe assembly (100), and to the use of a syringe assembly (100) or of a kit, wherein the syringe assembly (100) comprises a syringe barrel (10), a finger grip (30) having flanges (31, 32), and a plunger (20) having a plunger rod (21) and a plunger head (22). The plunger (20) comprises a grip pad (23) made by injection molding and attached to a proximal facing surface (24) of the plunger head. The finger grip (20) comprises a grip pad (35) also made by injection molding and attached to a distal facing surface of at least one flange (31, 32) of the finger grip (30).

A system for injecting includes a syringe body having proximal and distal ends, a syringe interior, and a syringe flange at the proximal end thereof. The system also includes an injectable fluid disposed in the syringe interior. The system further includes a finger flange coupled to the syringe flange. Moreover, the system includes a stopper member disposed in the syringe interior. In addition, the system includes a plunger ratchet member coupled to the stopper member. The system also includes a plunger tube disposed coaxially around at least a portion of the plunger ratchet member and operatively coupled thereto.

Introduced here are novel techniques for augmenting the lips through superficial linear injection of dermal fillers. At a high level, these techniques are representative of a two-step approach to augmentation. In the first stage, an implement that is appropriately positioned inside a lip can be moved sideways—an action referred to as a “side push.” In the second stage, dermal filler can be ejected from the implement so as to fill the resulting void. These techniques can be used by healthcare professionals to reshape the lips for medical or aesthetic purposes. These techniques were developed in an attempt to permit augmentation of the outer surface of a lip so as to increase its volume by expanding sideways while turning the lip outward. With these techniques, the desired result—namely, a plumper lip—may be readily and consistently achievable.

The invention provides a syringe for use in an ophthalmic injection. The syringe comprises a body, a stopper and a plunger. The body comprises an outlet at an outlet end and the stopper is arranged within the body such that a front surface of the stopper and the body define a variable volume chamber from which a fluid can be expelled though the outlet. The plunger comprises a plunger contact surface at a first end and a rod extends between the plunger contact surface and a rear portion. The plunger contact surface is arranged to contact the stopper but not couple thereto, such that the plunger can be used to force the stopper towards the outlet end of the body, reducing the volume of the variable volume chamber, but not to move the stopper away from the outlet end.