455 results about "Drug injection" patented technology

Drug injection device (400) comprising expelling means for expelling an amount of drug from a reservoir, the expelling means comprising setting means (411) allowing a user to set a dose to be expelled, and actuation means (413) for releasing the drug expelling means to expel the set dose. The actuation means comprises an actuation member adapted to be moved between an initial position, an intermediate position, and an actuated position in which the expelling means is actuated to expel the set dose. The device further comprises an electronically controlled capturing system (420) for capturing data representing the amount of drug expelled from the reservoir by the expelling means, and switch means for starting initialization of the capturing system when the actuation member is moved to its intermediate position.

A barrel adapter mountable to a syringe barrel includes a barrel tip, a biasing member, a locking mechanism, and a needle assembly. A safety syringe includes a barrel, a plunger assembly, and a barrel adapter. The needle assembly includes a needle, a needle hub, and a needle seal. The needle is configured to pass-through the needle assembly, locking mechanism, biasing member, and barrel tip such that, at one end the needle is within the barrel and at another end the needle passes through an aperture in the barrel tip. The barrel may be substantially cylindrical, having along its longitudinal axis a distal end for drug injection, a proximal end for injection control, and at least a portion of the barrel interior for drug containment. The barrel adapter provides needle retraction mechanisms to the barrel to form a safety syringe. Methods of assembling, manufacturing, and using such syringes are also provided.

An injection needle assembly is an assembly used by being attached to an injector including an injection barrel filled with medicine and a needle tube, and is provided with a sticking needle tube having a needle tip to be stuck into a skin, a needle holding portion, an engagement portion and a connection portion. The needle holding portion holds the sticking needle tube and a fit tube of the engagement portion is engaged with a needle hub of the injection barrel. The connection portion includes a luminal portion in which there are arranged a proximal end on the opposite side of the needle tip of the sticking needle tube and a needle tip (ejection port) at the needle tube of the injector, and the sticking needle tube and the needle tube communicate with each other in a liquid tight manner.

An assembly is provided which includes an infusion device coupled to a standard medication syringe. The medication syringe may be coupled to a stopcock valve having multiple ports and to which syringes, vial adapters, infusion tubing, and multiple other items may be coupled. The infusion device includes a source of power based on a resistance force such as vacuum, spring or gas power. The infusion device converts the resistance based force to usable work in the form of a force applicator. The force applicator includes a driver section on one section of a reciprocating arm and an attachment to the power source on another section of the arm. The driver is pulled outward (excursion) to increase the size of the chamber, creating a force that tends to return the driver back inward, causing incursion. The driver can be attached removably to the syringe plunger to induce the infusion process.

The invention provides a portable drug-infusion-device infusion system. Drug fluid is infused into a drug storing cylinder in a shell from an external syringe through a three-way cavity structure arranged on an upper shell and an elastic material element used in cooperation, a transition channel is provided for a flowing way from the drug storing cylinder to an infusion needle, it can be achieved that drugs are injected to the drug storing cylinder with a common injection needle, and drug injection is repeatedly carried out for multiple times after the drug fluid in the drug storing cylinder can be completely used; the upper shell structure and the lower shell structure are exquisitely matched with a needle base provided with the infusion needle, the compactness of an infusion device is guaranteed, and a patient can safely and conveniently control the position of the infusion needle; in addition, the safety when the infusion needle is used is further improved through a protection cover installed on the needle base. The portable drug-infusion-device infusion system concurrently has the advantages that the volume is small, the structure is exquisite, operation is easy, and the safety is guaranteed.

To securely position a needle tip and a blade face of a needle tube inserted into the skin in a predetermined site of a living body, such as the upper layer of skin, an injection needle assembly includes a needle tube having a needle tip capable of puncturing a living body, a hub holding the needle tube, a stabilizer, and a guide portion. The stabilizer is formed in a tubular shape surrounding the circumference of the needle tube, and an end face is pressed against the skin, and thereby a raised portion of the skin is formed in a tube hole. The guide portion is arranged on the stabilizer, and is adapted to recognize a press-in distance y of the stabilizer to the skin.

A method for extracting hyperin comprises the following steps: a crude product of an extracting solution of a maniod eibish flower is obtained through extracting the concentrated solution of a maniod eibish flow ethanol extracting solution by normal butanol or ethyl acetate or through the column chromatography of an HPD100 or HPD600 macroscopic absorbent resin; and then hyperin with the content of between 90 and 98 percent in weight percentage is obtained through purification and recrystallization by using a solvent. Hyperin preparations comprise freeze-dried powder injection, liquid drugs injection, transfusions, dropped pills, tablets, capsules, or soft capsules prepared by using hyperin as an active component and pharmaceutical adjuvant. The hyperin is used for preparing the medicines for treating cerebral ischemia.

An apparatus includes a pen body of a drug injection pen including a dosage injection mechanism that produces a rotational motion when the drug injection pen dispenses a fluid. The apparatus also includes a button housing with at least part of a dosage measurement system disposed within the button housing. At least part of the dosage measurement system is coupled to receive the rotational motion from the dosage injection mechanism. The dosage measurement system includes one or more sensors positioned to output a signal in response to the rotational motion when the drug injection pen dispenses a fluid, and a controller coupled to the one or more sensors to receive the signal. A drug delivery control wheel of the drug injection pen is disposed between the body of the drug injection pen and the at least part of the dosage measurement system disposed in the button housing.

The present invention relates to a device, system and a method for optimizing syringe based drug delivery profile with a treatment element and in particular, to such a device, system and method in which optimization is based on a plurality of data that directly and/or indirectly affect the optimization of the drug delivery profile. The device facilitating syringe based drug delivery, by optimizing drug delivery of the injected drug, records user's activity, and data relative to drug injections, comprising a disposable unit configured for a single use period and a rechargeable reusable unit having electronics comprising a sensor module.

The present invention provides a device (1) for monitoring the application of a drug to a patient by means of a drug pen (100), whereby the drug pen comprises a front end provided with an injection needle and a rear end provided with an actuation pushbutton, the device comprising a body (2) which can be dismountably coupled to the pen; an injection detection means determining when a drug injection is carried out; and a processing means configured for storing the date and time of the injection when the injection detection means detects that a drug injection is carried out, whereby the body is configured to be coupled to the pushbutton of the pen such that the pushbutton is actuated by pushing directly on the body, whereby the injection detection means is implemented as actuation detector configured for detecting said pushing action.

A drug injection needle comprises a puncturing needle part having a puncturing part capable of puncturing a body, a drug introducing needle part capable of communicating with the inside of the drug container, and a housing supporting the puncturing needle part and the drug introducing needle part to allow the liquid drug to flow between the needle parts. The outer diameter of the puncturing part is not more than 0.254 mm. The outer diameter of the drug introducing needle part is larger than at least that of the vicinity of the distal end of the puncturing part of the puncturing needle part, and a cutting edge is formed at the end of the drug introducing needle part for penetrating through an elastic member that is provided to seal the drug injection port of the drug container.

The invention provides a method for preparing high-purity beta elemene from natural plants containing the beta elemene such as curcuma zedoary (earthnuts or tubers of the curcuma zedoary), cedronella (fresh leaves of the cedronella), yellowtop (roots, stems, leaves, flowers and seeds of the yellowtop) and so on, which can improve the production efficiency from starting materials to the high-purity beta elemene and reduce production cost. Compared with the prior art, the method is mainly different in that the roots, stems, leaves, flowers and seeds of the natural plants are taken as raw materials; oleum volatile of specific parts of the natural plants is obtained by methods for extracting different oleum volatiles, and is distilled by molecular distillation method to remove compositions with high boiling points and non-volatile compositions; impurity compositions are removed by the ethanol extraction method and silver nitrate complex extraction method; and finally the beta elemene with the content between 95.0 and 99.9 percent is obtained through reduced pressure distillation or rectification. The bulk pharmaceutical chemicals not only can be prepared into oral dosing preparation such as emulsion oral liquid, self-emulsifying/ self-microemulsifying capsules, soft capsules and so on, but also can be prepared into non-alimentary dosing preparation such as emulsion injection, liquid drugs injection, transdermal absorbent, lung sprays, suppository and so on. The method has the advantages of novel design, concise operating steps, mild operating conditions and improvement of the production efficiency of the beta elemene.

Objects are to ensure a required depressing force and puncture speed when a needle tube is punctured in the skin, and to be able to reliably situate a needle tip of a needle tube in the upper layer of skin. A needle injection assembly 2 includes a needle tube 5 having a needle tip 8 that can be punctured in a living body, a hub 6 that holds the needle tube 5, an adjustment section 12, a stabilizing section 13, and a puncture speed securing member 7. The adjustment section 12 is provided around the periphery of the needle tube 5 and has a needle projection surface 12a, from which the needle tip 8 of the needle tube 5 projects. The stabilizing section 13 extends from the hub 6, is disposed to surround the needle tube 5 and has an end face 13a that comes in contact with the skin when the needle tube 5 is punctured in the living body. The puncture speed securing member is provided at the adjustment section 12 or stabilizing section 13 such that the puncture speed securing member moves along the axial direction of the needle tube 5. The puncture speed securing member 7 is brought into contact with the skin ahead of the needle tip 8 of the needle tube 5 when the needle tube 5 is punctured in the living body and ensures the speed and depressing force as desired when the needle tube 5 is punctured in the living body.

Pen-type drug injection device and electronic add-on monitoring module for monitoring and logging dose setting and administration is described. The module comprises a processor and a sensor (e.g. optical or electromagnetic) for determining the quantity of medicament that has been delivered, wherein the sensor (201, 204) is arranged to detect movement of a drive screw (205) of the injection device during medicament delivery.

The invention relates to a ceftizoxime sodium drug injection powder and a preparation method thereof, as well as a synthetic method of bulk drug ceftizoxime sodium. The ceftizoxime sodium drug injection powder consists of 100% ceftizoxime sodium, wherein the ceftizoxime sodium is pretreated, and the pretreatment is aseptic refining and/or grinding. The ceftizoxime sodium drug has the advantages of high purity, almost no impurity, better and more stable quality, better clarity and the like; and the synthetic method of bulk drug ceftizoxime sodium has lower bulk cost, less synthesis technology difficulty, mild reaction condition, stable and reliable yield and quality, and high purity and yield of products.

A skin-patch type large volume medicament injection device (1) comprising an adhesive surface (21/23) for attachment to the skin and a plurality of contact sensors (24) configured to output a signal representing a degree of detachment of the device from the injection site, and an alarm and control function which outputs an alert to the user based on the signal received from the sensors and stops the injection in case the degree of detachment is too large to guarantee further save injection.

The invention discloses a drug and edible two-use fungus grey ramalic GF-932[Grifola frondosa (Dichs.ex Fr.) S.F.Gray] and producing method of grey ramalic beta-dextran, which is characterized by the following: applying in the tablet, soft capsule and hard capsule, liquid drugs injection and freeze dried; reserving in the China biological bacterial reserving management committee common microbe center with CGMCC No.1709 as reserving number.

Pen-type drug injection device (1) and attachable electronic add-on monitoring module (2) for monitoring and logging dose setting and administration, the module comprising a housing, an electromechanical switch arrangement (110), the electromechanical switch arrangement comprising a main body (111) and a switching member (113), the switching member having a protrusion (118) arranged to protrude from the main body so as to contact a surface of the injection device while the module is attached to the injection device, and a biasing member (115) biasing at least a part of the main body of the electromechanical switch arrangement against the injection device while the module is attached to the injection device.

The invention provides a drug injection device and dispensing equipment, and relates to the technical field of medical equipment. The drug injection device is designed to solve the problem of single function of an injection device of an existing dispensing system. The drug injection device comprises an upper turntable, a lower turntable, a plurality of containing cavities formed between the upperturntable and the lower turntable and a driving assembly used for driving the rotation of the lower turntable, wherein the upper turntable is provided with a plurality of openings uniformly distributed in the circumference of the upper turntable, the openings are communicated with the containing cavities respectively one to one, and the containing cavities are internally provided with injection assemblies. The dispensing equipment comprises the drug injection device. The drug injection device and the dispensing equipment have the advantages that the simultaneous preparation of a plurality of drugs in a plurality of drug bottles is achieved, and the preparation of the corresponding drug in each drug bottle is separate from one another and does not interfere with one another, thereby well overcoming the defect that the injection device of the existing dispensing system only achieves the preparation of one drug, and the function is more perfect.

Disclosed herein are hollow microneedles and a fabrication method thereof. The microneedles are small in diameter and are long and hard enough to pass through the stratum corneum. Therefore, the hollow microneedle of the present invention can be used in blood sampling or drug injection through the skin.

A supplemental device for attachment to an injection device, the supplemental device comprising: a housing; an electromechanical switch arrangement having an open state and a closed state, the electromechanical switch arrangement comprising a protrusion configured to contact a surface of the injection device while the supplemental device is attached to the injection device; a dose dialed detector operable to detect a dose of medicament dialed into the attached injection device; and a processor arrangement configured to: monitor the detected dose of medicament dialed into the attached injection device; detect a change in the state of the electromechanical switch arrangement; and change a display output of the supplemental device when a change in the state of the electromechanical switch arrangement is detected while a zero dose is dialed into the attached injection device.

The invention refers to the technical field of drug injection, and discloses a drug information monitoring device and a drug information monitoring type injection device. The drug information monitoring device is used for detecting injected dose of an injection pen filled with drug, wherein one end of the injection pen is provided with an adjusting rotary button used for determining the injected dose; the drug information monitoring device comprises a shell, a rotary encoder used for converting the rotating information of the adjusting rotary button to the drug injected dose information, and a control component; the rotary encoder comprises an encoder body and a rotating block rotationally connected with the encoder body; the encoder body and the control component are electrically connected and fixed at the adjusting rotary button; the shell covers at outside of the encoder and the control component, one end of the shell is provided with a press button, and the rotating block is fixedly connected to the press button. According to the drug information monitoring device, the encoder body of the rotating encoder is rotated along with the adjusting rotary button; in injection, the rotating cycle is recorded and converted to the drug information and stored; the data collection bias is small, and precision requirements on use and assembly are low.