49 results about "Plastic Syringe" patented technology

The invention discloses a plastic syringe recycling and processing device. The device includes a working box and a working cavity located in the working box; a feeding port runs through the upper endwall of the working box; a first rotating shaft located on the lower side of the feeding port is rotatably arranged on the front and back cavity walls of the working cavity; the first rotating shaft is fixedly provided with a first squeezing barrel; a second rotating shaft located on the right side of the first rotating shaft is rotatably arranged on the front and back cavity walls of the workingcavity; and the second rotating shaft is fixedly provided with a second squeezing barrel. The device can recycle used plastic syringes; through a squeezing device, air and water left in the used syringes can be squeezed, the plastic syringes can be compressed, so that the volumes of the syringes can be decreased; the syringes can be broken through a breaking device, heating and melting can be carried out on the broken syringes, sterilization and disinfection on metal needles can be achieved during heating; and after heating and melting, melted plastic liquid can be separated from the metal needles, so that classification and recycling on the syringes can be accomplished.

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 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 invention discloses a bio-glue syringe suitable for surgical positioning of tiny intrapulmonary nodules, which comprises a plastic storage bag with a sealed accommodation cavity, the storage cavity is arranged at one end inside the plastic storage bag, and the plastic storage bag is easily deformed when it is under pressure; The middle of the bottom of the plastic bag is fixedly connected with a hollow cylinder communicating with the containing cavity, and the inner wall of the cylinder is provided with an internal thread; the upper end has a transparent hollow tube with a tip, and the upper end of the hollow tube is provided with an external thread that matches the internal thread , the upper end of the hollow tube is sheathed in the cylinder, and is detachably connected with the internal thread in the cylinder. When the upper end of the hollow tube moves toward the cylinder, the tip is used to pierce the diaphragm between the accommodation chamber and the plastic storage bag, so that the biological The glue flows into the containing cavity, and by pressing the plastic storage bag, the biological glue flows into the patient's affected part through the hollow tube; it also includes a hard protective shell arranged outside the plastic storage bag and the cylinder, and the protective shell is arranged along its length or width. Has a tear-off seal. The bio-glue syringe suitable for surgical positioning of tiny intrapulmonary nodules is convenient for medical staff to operate and relieves pain of patients.

The invention relates to a disinfection recovery device, in particular to a medical plastic syringe recycling device. The invention aims at providing an efficient medical plastic syringe recycling device. In order to solve the technical problem, the invention provides the medical plastic syringe recycling device; the device comprises a bottom plate, support legs, a first support, a first support rod, a second support, a first bearing, and the like, wherein the support legs are respectively connected with the front, back, left and right of the bottom of the bottom plate; the first support is fixedly connected with the right side of the upper part of the bottom plate; the first support rod and the second support are fixedly connected with the upper part of the left side of the first support;the first support rod is positioned under the second support; the first bearing is arranged at the left side of the first support rod. The medical plastic syringe recycling device realizes a functionof utilizing a machine to replace manual work for recovering plastic syringes, is rapid in recovering speed and large in single recovering amount, and has functions of completely disinfecting, and the like; furthermore, the medical plastic syringe recycling device also has the characteristics of being convenient to use, safe to use, simple to operate, low in manufacturing cost, and the like.

The invention discloses a method for preparing hollow nanofibers capable of keeping disinfectant for a long time, comprising the following steps: dissolving 1 g of polycaprolactone in 9 g of chloroform solvent, then adding 0.1 g of photocatalyst, and stirring and standing still Finally, polycaprolactone-titanium dioxide sol is obtained; a small amount of the obtained sol is taken out and placed in a plastic syringe, and a metal needle is installed at the front end of the plastic syringe, then the high-voltage electrostatic power supply is connected, and the grounding aluminum foil is set as the negative pole. Gently press the plastic syringe until the sol flows out before spinning; grind the spun fibers into pieces and place them in 500 ml of aqueous solution, stir them while irradiating them with ultraviolet light for 3 days, then filter them, and then dry them in a vacuum oven ; soak the dried nanofibers in a disinfectant to obtain a porous nanofiber substrate; the hollow biodegradable nanofibers obtained in the present invention have the characteristics of large liquid storage and long release time.

The invention discloses a safety infusion device, which comprises a plastic syringe needle, an infusion tube, a Murphy's drop apparatus, a slide switch, a filter, a syringe needle, and a syringe needle handle, wherein the rear of the syringe needle is provided with an outer sleeve, while the front is provided with a syringe needle sleeve; the rear of the syringe needle sleeve is arranged between the outer sleeve and the syringe needle in a sliding way; the front end of the syringe needle sleeve has a tapered opening structure; one side of the rear of the syringe needle sleeve is provided witha push handle; a push handle sliding groove is axially arranged on the sleeve corresponding to the push handle of the syringe needle sleeve; the rear end of the sliding groove is provided with a pushhandle notch along the circumferential direction of the outer sleeve; and the outer sleeve corresponding to the syringe needle handle is provided with a fixing handle, and a fixing tape matched with the syringe needle handle and the fixing handle. The safety infusion device can effectively prevent the syringe needle from moving, and is convenient, practical, and more safe and reliable.