16 results about "Plastic Syringe" patented technology

The invention discloses an atmospheric trace water-soluble metal element automatic sampling and pretreatment system, the system comprises an automatic sampling module and a pretreatment module, the automatic sampling module is provided with a gas introduction device, a gas corrosion device and a mixing growth chamber from front to back in sequence, and the mixing growth chamber is connected with the pretreatment module; the gas corrosion device is used for separating particulate matters and gas in a to-be-collected atmospheric sample, and the mixed growth chamber enables the particulate matters to grow and condense in supersaturated water vapor to obtain a primary sample; the pretreatment module comprises a sample enrichment unit and an automatic calibration unit; the sample enrichment unit is used for carrying out enrichment treatment on the primary sample through a bubble remover and a plastic injector; the automatic calibration unit is used for sequentially carrying out acid pickling, water washing, sample dilution and quantitative calibration on the enriched sample to finish the pretreatment process of the sample; according to the system, the sampling efficiency and the data reliability are remarkably improved, the automation degree is high, manual operation is reduced, personal errors are reduced, and the monitoring efficiency is improved.

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.

To provide an improved process for forming on a surface of a gasket on whose outer surface a film exists one or more channels and an improved gasket to be used in a syringe-gasket system for delivering a medical product to a subject who needs it, for example.SOLUTION: A process is for producing gaskets with an improved channel for use in a matched syringe and plunger system, preferably a prefilled plastic syringe systema. In particular, it is an improved process for making and inspecting continuous channels in a gasket film by laser treatment. The gaskets are useful in a matched syringe and plunger system with high and consistent container closure integrity (CCI), and consistent slide yield and slide balanced stress over time, and sealability.SELECTED DRAWING: Figure 4A

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.

Kit (kit-of-parts and / or set), in particular for use in the treatment, especially therapeutic treatment, of stone diseases of the human body, preferably by removing particles and / or concretions from the lumen of human organs, and / or especially for preferably therapeutic use in the removal of particles and / or concretions from the lumen of human organs, wherein the kit comprises: a) a first, in particular ready-to-use, plastic syringe, in particular a disposable plastic syringe, preferably in the form of a plastic piston syringe, wherein the first plastic syringe comprises a syringe body, in particular a syringe barrel, and a syringe plunger, wherein at least the syringe body, in particular the syringe barrel, is made of at least one polyolefin, preferably polypropylene, wherein the first plastic syringe contains a first component (A) in the form of a solution and / or dispersion, in particular a dispersion, preferably in the form of a sol, wherein the first component (A) comprises at least one crosslinkable, in particular ionically crosslinkable, preferably gel-crosslinkable, polymer; b) a second, in particular ready-to-use, plastic syringe, in particular a disposable plastic syringe, preferably in the form of a plastic piston syringe, wherein the second plastic syringe has a syringe body, in particular a syringe cylinder, and a syringe plunger, wherein at least the syringe body, in particular the syringe cylinder, is made of at least one polyolefin, preferably polypropylene, wherein the second plastic syringe contains a second component (B) in the form of a solution and / or dispersion, in particular a solution, wherein the second component (B) comprises at least one crosslinking agent, in particular a crosslinking agent initiating and / or effecting ionic crosslinking; in particular wherein the first component (A) and the second component (B) are selected and / or designed such that upon and / or after contact and / or interaction of the components (A) and (B) a preferably gel-shaped crosslinking product, in particular a preferably gel-shaped crosslinked polymer structure, in particular a gel, is formed; wherein the first component (A) and the second component (B) are optically and / or visually different from each other, in particular different in color; and / or, preferably, wherein the first plastic syringe and the second plastic syringe are optically and / or visually different from each other, in particular different in color.

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

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.

The present invention discloses a safe vacuum suction plugging device for plastic syringes, comprising: a fixed platform, a fixed seat is provided on the upper part of the fixed platform and a rotating shaft is provided inside the fixed seat, a first fixing bolt is provided at the connection between the fixed seat and the fixed platform and the fixed seat is fixedly connected to the fixed platform through the first fixing bolt, a fixing frame is provided on the upper part of the fixed seat and a connecting shaft is provided at the center of the fixing frame. When the plug body of the present invention is delivered to the upper opening of the injection needle tube, the connector of the syringe needle tube is connected to the vacuum suction nozzle, the vacuum suction nozzle is lifted by the cylinder and docked with the connector of the syringe needle tube, and then the vacuum generator valve is started to suck the plug into the bottom of the syringe needle tube by vacuum suction. During the process, the plug reaches any required position in a stable state without deformation, and at the same time, foreign matter, insoluble particles or excessive medical-grade silicone oil that may remain in the syringe can be cleaned up, which greatly improves the safety of disposable syringes.

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.

The utility model relates to the field of plastic injector filling machines, in particular to a plastic injector filling and plugging machine which comprises a rotating disc, a first sliding rail and a second sliding rail, a plurality of overturning blocks are installed on the circumferential face of the rotating disc, driving rollers are rotationally connected into two supporting frames, the two driving rollers are connected through a synchronous belt, and the rotating disc is connected with the first sliding rail through a rotating shaft. A plurality of rubber carrying shells and a plurality of rubber stopping blocks are fixedly connected to the outer surface of the synchronous belt, a containing cavity is formed in the upper end face of each rubber carrying shell, a motor is fixedly connected to the bottom end of the supporting frame located at the rear end, and the output shaft end of the motor is fixedly connected with the driving roller located at the rear end. According to the utility model, an operator can conveniently and manually take down the plastic syringes which are filled, added with liquid and plugged, so that the finally collected plastic syringes are more qualified in quality, and the situation that the plastic syringes are deformed and damaged due to mutual collision is not easy to occur, thereby facilitating the subsequent normal use of the plastic syringes.

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.