10 results about "Plastic Syringe" patented technology

The invention discloses a method for siliconizing and aging a pre-encapsulated plastic needle cylinder, which is characterized in that dimeticone is sprayed on the inner wall of a polypropylene plastic needle cylinder to realize siliconizing treatment, the siliconized needle cylinder is placed at a certain temperature to be aged, and the siliconized and aged needle cylinder is used, so that the content of insoluble particles in the product is reduced. The method is simple and high in operability, and the treated pre-potting plastic needle cylinder has a good application prospect in the use of preparations with strictly controlled insoluble particle content, and has important value in reducing the risk that drugs are polluted by migrated silicone oil and improving the product quality.

The present invention relates to a pre-filled syringe containing a VEGF antagonist and comprising a plastic barrel which is silicone-free, kits comprising this syringe and the use of the syringe for the administration of a VEGF antagonist in the treatment of ocular diseases.

The presently disclosed subject matter provides a plasma treated plastic syringe barrel having a plasma treated lubricant coating and an inner surface having a reduced number of particles compared to an inner surface of a plastic syringe barrel having an untreated lubricant coating; a plasma treated plastic syringe barrel having a plasma treated lubricant coating and an inner surface having a very low particle surface density; an associated syringe; the content of particles in the solution is extremely low; methods of treating the eye; a method for producing a plastic syringe barrel having a stable lubricating layer; related methods of producing syringes; an associated syringe; and related methods of treating an eye.

The application discloses a kind of visualization test device and method of porous medium displacement under different gravity.The microfluidic chip model module, displacement injection module, image acquisition module and light source module are placed in model box shell, the model box shell is placed in the basket of centrifuge, fluid is stored in displacement injection module, for providing fluid for microfluidic chip model module, displacement injection module is connected with microfluidic chip model module, image acquisition module is used to collect optical image information of microfluidic chip model module in fluid displacement process;Method includes dyeing original fluid, installing microfluidic chip, using injection pump to push plastic syringe to inject fluid into microfluidic chip, and observing the flow migration mode and fluid distribution of fluid displacement process in porous medium.The device of the application is simple and easy to manufacture, easy to operate, and has high stability, uses supergravity and microgravity for model test, realizes real-time observation on two-phase fluid displacement process.

The present invention relates to a prefilled plastic container, such as a plastic syringe, comprising an aqueous botulinum toxin formulation. The aqueous botulinum toxin formulation in the prefilled plastic container is stable for a prolonged time period. Furthermore, the present invention relates to a kit comprising the prefilled plastic container, and to the use of the prefilled plastic container for therapeutic and cosmetic purposes.

A method for producing a gasket with an improved channel for use in a mating syringe and plunger system, preferably in a pre-filled plastic syringe system. An improved method for making and inspecting a continuous channel in a liner film by laser processing. The gasket is used in a matched syringe and plunger system, the container closure integrity (CCI) is high and consistent, and the loosening force and the sliding force are consistent over time and have sealing properties.

The presently disclosed subject matter provides a plasma treated plastic syringe barrel having a plasma treated lubricant coating and an inner surface having a reduced number of particles compared to the inner surface of a plastic syringe barrel having an untreated lubricant coating; a plasma treated plastic syringe barrel having a plasma treated lubricant coating and an inner surface having an extremely low particle surface density; a related syringe; a related filled syringe having an extremely low particle content in solution; a method of treating an eye; a method of producing a plastic syringe barrel having a stable lubricating layer; a related method of producing a syringe; a related syringe; and a related method of treating an eye.

The invention discloses a graded porous carbon nanofiber adsorbent and a preparation method and application thereof, and belongs to the field of pesticides, the preparation method of the graded porous carbon nanofiber adsorbent comprises the following steps: S1, adding polyvinyl alcohol into deionized water, heating, stirring and dissolving, and cooling to room temperature; s2, adding a polytetrafluoroethylene dispersion liquid into the solution in the step S1, and stirring to uniformly mix the polytetrafluoroethylene dispersion liquid and the solution to prepare a precursor solution; s3, the precursor solution is put into a plastic injector with a stainless steel nozzle for electrostatic spinning, and a spinning film is obtained; s4, after spinning is finished, a spinning film is uncovered from the aluminum-foil paper and calcined in a muffle furnace; then carrying out high-temperature carbonization in an argon atmosphere at 800 DEG C; after cooling to room temperature, preparing to obtain the graded porous carbon nanofiber adsorbent HCNFs; the problem of low adsorption efficiency in the prior art is solved.

A process for producing improved gaskets for use in matched syringe and plunger systems, preferably pre-filled plastic syringe systems. In particular, a process for making and inspecting non-continuous channels in or through a gasket film by laser treatment. The gaskets are useful in matched syringe and plunger systems providing high and consistent container closure integrity (CCI), and consistent break loose and glide forces over time, and sealability.

A method for producing a liner with improved channels for use in mating syringe and plunger systems, preferably for pre-filled plastic syringe systems. Specifically, an improved method for creating and inspecting continuous channels in a liner film by laser processing. The liner, used in mating syringe and plunger systems, exhibits high and consistent container closure integrity (CCI), consistent loosening and sliding forces over time, and provides a tight seal.