24 results about "NEEDLE/SYRINGE" patented technology

The utility model relates to the technical field of insulin injection, in particular to a disposable sterile insulin syringe. The disposable sterile insulin syringe comprises a syringe barrel, a connecting pipe, a needle head, a stress plate, a piston, a push rod and a push plate, the left end of the syringe barrel is connected with the connecting pipe, the connecting pipe is connected with the needle head, the right end of the syringe barrel is connected with the stress plate, the push rod is connected into the syringe barrel in a sliding mode, and the piston is connected with the push rod. The left end of the push rod is connected with a piston, the right end of the push rod is connected with a push plate, a groove is formed in the lower side of the right end of the push rod, the connecting block is placed in the groove, and the left side of the lower portion of the stress plate is connected with the limiting block and the elastic piece. Through the arrangement of the connecting block, the limiting block and the elastic piece, the push rod can be braked through simple operation, it is ensured that the push rod is not prone to being pulled after an injector is used, medical workers are prompted that the injector is used, and the risk of repeated use is reduced.

Methods are provided for aesthetic restoration and reconstruction of bone loss, deficit, defect, or a combination thereof. The methods include administration of one or more suitable bone derived compositions by a minimally invasive procedure such as injection using a needle, syringe, etc., placement in or through a small incision, or a combination thereof. The properties and characteristics of the bone derived composition, including without limitation, flowability, injectability, size, shape, and physical form, are limited only by the requirement that they are capable of administration by a minimally invasive technique. For example, these methods are effective for restoration of facial features, e.g., lost chin definition, jawline definition, bone around nasal lines, and bone around the upper and lower eye area. These methods are also effective for treatment of bone deficiency and loss in other body features such as shoulders and collarbones, pelvis, feet, ankles, hands, and wrists.

The invention is suitable for the technical field of medical instruments, and provides a buckle-type connection anti-needle-falling injector, which comprises a needle cylinder, a buckle-type connection part, a buckle-type connection part, a buckle-type connection part and a buckle-type connection part, the piston is arranged in the needle cylinder, and a pull rod is fixedly mounted on the piston; the connector is sleeved with the pintle, and a pintle head is arranged on the pintle; the mounting ring is fixedly mounted on the pintle; the mounting seat is fixedly mounted on the connector; the buckle mechanism is assembled on the mounting ring and the mounting seat; the buckle mechanism is used for fixing the pintle on the connector; the buckle mechanism comprises a placement block fixedly mounted at the bottom of the mounting ring; and the placing groove is formed in the mounting seat. According to the buckle type connection anti-needle-falling injector, the situation that the needle head falls off can be effectively prevented, and the safety and reliability of injection operation are high.

The utility model discloses an electric control syringe injection handle, which relates to the field of medical instruments, and comprises a micro needle head, a syringe, a holder, a machine body and an electric control linear driver, the holder comprises a clamping part and a mounting part, the clamping part is in a ring shape with an opening, the bottom end of the clamping part is fixedly connected with the mounting part, and the mounting part is fixedly connected with the micro needle head. And the mounting part is detachably connected with the machine body. The micro needle head is detachably connected with a needle head of the injector, and the electric control linear driver is mounted on the machine body. Wherein the injector and the electric control linear driver are used for accurately controlling the injection amount of the micro needle head, and the clamp holder is used for detachably fixing the injector on the machine body. The clamping device is detachably connected with the injector through an elastic opening clamping ring structure, and within the elastic deformation range of the clamping part, one clamping device can be matched with injector needle cylinders with different outer diameters. When the size of the syringe needle cylinder is smaller than the inner diameter of the clamping part or exceeds the elastic deformation range of the clamping part, the clamping device can be replaced based on the outer diameter of the syringe needle cylinder.

1. Name of the product in this design: All-plastic needle. 2. Application of this design: It is used in industrial production fields such as semiconductor manufacturing, as a needle in a dispensing needle syringe, dispensing machine, or dispensing valve for dispensing adhesive. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1.

The invention discloses a portable emergency medicine storage and injection device which comprises a shell, a liquid storage tube, an injector, a control chip, a display screen and keys. Medicine is contained in the liquid storage pipes, and a plurality of installation cavities used for installing the liquid storage pipes are formed in the side wall of the shell. The injector is arranged in an inner cavity of the shell; the injection end of the injector is connected with a needle, and an up-down driving assembly for driving the injector to move up and down is arranged outside the injector; an injection port is formed in the bottom of the shell corresponding to the needle head; the top of the injection piston is connected with an injection driving assembly for driving the injection piston to move up and down; an inner cavity of the injector is communicated with the liquid storage pipes through pipelines; the control chip is arranged in the shell and connected with the up-down driving assembly and the injection driving assembly. The display screen is arranged on the surface of the shell and is connected with the control chip; the keys comprise an injection key and a medicine selection key. The injection device is convenient to carry, and medicine injection is easy to complete.

The invention relates to a method for promoting tobacco leaves to quickly generate serotonin, and belongs to the field of biotechnology and plant metabolic engineering.The method includes the steps that serotonin in walnuts is identified to synthesize key genes, cDNA of the key genes is used as a template to amplify target fragments, a pHREAC expression vector is constructed and then introduced into agrobacterium tumefaciens, and the serotonin is obtained; and injecting the bacterial liquid into the lower epidermis of the tobacco leaf by using a syringe without a needle head for transient expression. And high-efficiency expression of exogenous genes can be realized within 3-5 days. The method does not need a complex procedure of gene operation breeding, does not require stable expression of transgenosis, is simple and convenient to operate, short in period and high in efficiency, and is suitable for rapid development of functional components and plant metabolism engineering application.

The invention discloses an automatic perfusate pressure regulating device for shoulder arthroscopy surgery, relates to the technical field of perfusate pressure regulation, and aims to solve the technical problem that the pressure accuracy is difficult to control in real time in the traditional mode of manually regulating the height of a perfusate bag to control the perfusate pressure, the automatic perfusate pressure regulating device comprises a base, and an infusion support and a pressure regulating assembly are arranged at the top of the base; the pressure adjusting assembly comprises a liquid storage barrel, a liquid pushing barrel and a liquid outlet barrel are movably arranged in an inner cavity of the liquid storage barrel, the liquid pushing barrel is arranged below the liquid outlet barrel, a liquid storage cavity is formed between the liquid pushing barrel and the liquid outlet barrel and used for storing perfusate to be output, the liquid pushing barrel is in sliding sealing fit with the inner wall of the liquid storage barrel, and a needle syringe type volume variable structure is formed. A driving assembly is arranged on the side wall of the infusion support. The device has the advantage that the perfusate pressure can be automatically and stably adjusted in real time.

The invention belongs to the technical field of carotid artery catheterization, and particularly relates to a rat and mouse carotid artery catheterization drug delivery device and a model establishment method. The carotid artery indwelling catheter administration device comprises a 34G medical thin needle head, a 1ml injector, a PP tube with the outer diameter of 0.2 mm and the inner diameter of 0.1 mm, and an in-vitro injection pump; one end of the PP tube is nested in the 34G medical thin needle head, the PP tube and the 34G medical thin needle head are sealed through animal tissue glue, and the 1ml injector is connected with the in-vitro injection pump. According to the carotid artery catheterization drug delivery device for the rats and the mice, the pipelines are thinner, the device can be matched with an in-vitro injection pump, operation in an operation is easy, convenient and rapid, the complication rate and the death rate of carotid artery catheterization are low, the drug delivery effect is stable, repeatability is high, and a carotid artery catheterization drug delivery model for the rats and the mice is established on the basis of the device.

1. Name of the designed product: needle cylinder type bidet (JP109-PB-II25). 2. Use of the designed product: cleaning of human body parts. 3. Design points of the designed product: in shape. 4. Picture or photograph best indicating the design points: perspective view 1.

A method for treating a prostate comprising the steps of using a needle-syringe coupled to a dose delivery device. The dose delivery device comprises a housing, a holder configured to receive a first portion of the needle-syringe, and an arm at least partially extending from the housing. The arm includes a surface configured to engage a second portion of the needle-syringe. The dose delivery device further includes an actuation member movable with respect to the housing, a worm coupled to the actuation member, a worm gear engaged with the worm, and a pinion gear fixed to the worm gear and engaged with the arm. The arm moves along a translation axis in response to user actuation of the actuation member about a rotational axis.

The utility model discloses a painless convenient article bag for stomach tube implantation, which comprises a sterile stomach tube sealed in a plastic packaging bag, the plastic packaging bag is divided into two cavities, a film bag containing paraffin oil and a film bag containing lidocaine mucilage are arranged in the cavity for packaging the stomach tube, and the film bags are easy to explode when being stressed and flapped. And a needle-free injector, a disposable film glove, an I-shaped sticker and a gauze piece are packaged in the other cavity. When the packaging bag is used, a nurse flaps the packaging bag with a hand, the thin film bag small package inside the packaging bag is exploded, the paraffin oil plays a role in lubricating the stomach tube, the anesthesia mucilage is coated on the outer layer of the stomach tube to play a role in relieving pains of a patient, operation is very convenient, objects needed by an operation are concentrated through the object bag, and operation operation is convenient.

A syringe comprising a barrel 3 and a two part plunger rod 2 5. The short first section of the plunger rod 5 is pushed by a second section 2 which is inserted into the back of the syringe to then engage with the first. This second section of the plunger rod also acts as the rigid needle shield (RNS) on a staked needle syringe to protect the needle. The plunger seal 4 of the first section of the plunger rod may have an integrated valve 7 (also Figure 6a / 6b) which opens when the contents of the syringe have been administered. This creates an air path from the needle all the way through the syringe to prevent the first section of the plunger from being removed by pressurising the syringe through the needle.

The utility model relates to the technical field of agriculture and forestry, and discloses a transient expression device for plant leaves difficult to infect, which comprises a rubber cover and a syringe with a needle, the rubber cover comprises a rubber cover surface and a rubber cover neck connected to the bottom surface of the rubber cover surface, and the rubber cover neck is a hollow cylinder with a lower opening; bacterial liquid is sucked in the syringe body of the syringe with the needle, and a needle head of the syringe with the needle is inserted into the cavity of the rubber cover neck from outside to inside through the side wall of the rubber cover neck. The device is low in cost, portable and convenient to operate, can perfectly solve the problem that crevasses are left on the surfaces of leaves difficult to infect during needle injection, and infection is difficult, and remarkably improves infection efficiency.

The utility model relates to a sterile syringe, in particular to a disposable sealing ring type sterile syringe. The disposable sealing ring type sterile syringe comprises a syringe barrel, a syringe needle, a push block, a push rod, a piston, a sealing ring, a connecting block and a sealing piece, the syringe needle is connected to the left end of the syringe barrel in an inserted mode, the connecting block is connected to the right end of the syringe barrel, the push rod is connected to the connecting block in a sliding mode, and the push rod is located in the syringe barrel. The left end of the push rod is connected with a piston, the left side of the piston is connected with a sealing ring, and the piston and the sealing ring are slidably connected with the inside of the syringe barrel. The sealing ring is arranged between the piston and the syringe barrel, it can be ensured that the piston is tightly attached to the inner wall of the syringe barrel, liquid medicine is effectively prevented from flowing back in the pushing or sucking process, the sealing performance between the push rod and the connecting block is further enhanced by adding the sealing piece, it is ensured that external air cannot enter the syringe barrel, and the service life of the syringe is prolonged. Therefore, the sterile state of the injector is maintained.

A rigid needle shield for a syringe includes a main body comprising an internal sidewall defining a bore, and an end cap attached to the main body. The end cap includes at least one frangible tab connected to the sidewall of the main body. The rigid needle shield further includes an elastomeric insert extending through the bore and engaging the end cap. The at least one frangible tab is configured to break from the internal sidewall and advance through the bore upon application of a force to the end cap.

Provided herein is a method for manufacturing a staked needle syringe. The method includes providing a glass syringe barrel having a cylindrical main body and a tip positioned at a distal end of the cylindrical main body, applying a silicone-based emulsion onto a least a portion of an inner surface of the glass syringe barrel via a lubricant applicator, annealing the silicon lubricant in a baking oven, to form a baked silicone coating on the glass syringe barrel and, subsequent to annealing of the silicon lubricant, securing a needle directly into the tip of the glass syringe barrel.

1. Name of the designed product: subcutaneous electronic injector (without needle injector). 2. Use of the designed product: for the care and management of the skin. 3. Design points of the designed product: in shape. 4. Picture or photo best indicating the design points: perspective view.

A nucleic acid vaccine composition comprising one or more of a plasmid-based nucleic acid vaccine and immunotherapy, as well as a lipid formulation, is provided. In addition, the present invention provides a method of enhancing the potency of plasmid-based DNA vaccines and immunotherapies, by formulating a vaccine and / or immunotherapy in a lipid formulation, which is stable when refrigerated or stored frozen, is then delivered to a vaccinee by either needle / syringe, jet injection, or microneedles. The lipid formulation of the present invention comprises one or more lipid excipients selected from 1,2-Distearoyl-sn-glycero-3-phosphocholine, Cholest-5-en-3β-ol, 1,2-Dimyristoyl-rac-glycero-3-methylpolyoxyethlene, and or more symmetric ionizable cationic lipids. The present invention increases vaccine potency dramatically. It was unexpectedly discovered that the level of immunogen, or immune response molecules, produced in vivo is increased (versus administering merely the vaccine or immunotherapy) and, in the case of a vaccine immunogen, the immune response is enhanced.

1. The name of the design product: intelligent needle-free injector. 2. The use of the design product: the design product is used for painless injection. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

To provide a protector for a syringe with a needle capable of safely discarding the syringe with the needle.SOLUTION: The protector 10 of the syringe with needle 100 includes a hub 112 having the injection needle 111 at the tip part, and a syringe body 120 having a holding part 121 for holding the hub 112, wherein the protector 10 is formed in a bottomed cylindrical shape into which the injection needle 111 is inserted, a rib 12 locked to an outer surface of the syringe body 120 is formed on an inner circumferential part of the cylindrical body, and a sealing member 13 for sealing an opening of a tip end of the injection needle 111 by piercing the tip end of the injection needle 111 is provided on an inner bottom part of the cylindrical body.SELECTED DRAWING: Figure 2

A rigid needle shield for a syringe includes a main body comprising an internal sidewall defining a bore, and an end cap attached to the main body. The end cap includes at least one frangible tab connected to the sidewall of the main body. The rigid needle shield further includes an elastomeric insert extending through the bore and engaging the end cap. The at least one frangible tab is configured to break from the internal sidewall and advance through the bore upon application of a force to the end cap.

This invention provides a drug solution mixing and injection device, comprising a syringe, a stirring assembly, and a needle. The syringe includes a syringe barrel with an open front end, a piston slidably mounted inside the syringe barrel, and a gap forming a cavity between the piston and the front end of the syringe barrel. The front end of the syringe barrel is provided with a sealing element, forming a sealed cavity for pre-filling drug powder. The stirring assembly is detachably mounted on the front end of the syringe barrel for stirring the mixed drug in the sealed cavity after the drug solution is injected. The needle is detachably mounted on the front end of the syringe barrel for injecting the drug solution after stirring. This drug solution mixing and injection device is compact, easy to operate, has good stirring effect, and low production cost, making it easy to promote and use.

The utility model relates to the technical field of anesthetic syringes, in particular to a novel anesthetic syringe which has the characteristic of improving safety and comprises a syringe body and a needle, a connecting rod is arranged on the lower portion of the syringe body, a sliding groove is formed in the connecting rod, and the connecting rod is connected with a shielding tube in a sliding mode and used for shielding the needle. A through hole is formed in the middle of the connecting rod and penetrates through the sliding groove, the needle penetrates through the through hole, and a driving device is arranged at one end of the connecting rod and used for pushing the shielding pipe to move.