641 results about "Drug powder" patented technology

To provide an inhalation device which has improved use properties, particularly advanced moisture protection while in use, an inhalation device (1) for powder drugs is proposed comprising at least one storage chamber (13) for accommodating a plurality of drug powder doses and a dosing device which includes at least one dosing slider (15) which is movable approximately with a translatory movement in a dosing slider passage (16) at least from a filling position into an emptying position, wherein the inhalation device (1) further includes a device for inhalation-triggered automatic movement of the dosing slider (15) from its filling position into the emptying position and a return device for automatic movement of the dosing slider (15) back into the filling position.

This invention provides an aerosolized inhaler which enables the drug powder to aerosolize within the inhaler by breathing in the air, comprising the main body (11) and the mouthpiece connector (12) connected thereupon, wherein the inhaler the main body (11) has drug holding opening (1), which connects with the vortex passage, and the vortex passage connects with the mouthpiece (9) on the mouthpiece connector (12). It has many obvious advantages as increasing the inhalation rate, pushing more drug granule to reach to the lower respiratory tract and even into the alveolus; and meanwhile, keeping the drug from being blown out of the inhaler when the users breathes out, preventing from cross inflection and minimizing the side effect of the drug to the whole body, and obviously lightening the burden on the users.

The invention relates to a drug for treating calculi. Ventriculi galli mucosa, desmodium and spora lygodii are added with water and decocted for three times; decoction is combined and condensed to form plaster with relative density of 1.2(50 DEG C); the plaster is dried and pulverized into drug powders; and the drug powders are filled to a capsule, sterilized and disinfected to prepare a capsule product. The drug clears away heat and removes dampness, is used for treating biliary calculi and urinary calculi, can change calculi from big to small, removes calculi outside human body, is easy for a patient to take, overcomes the disadvantages of large wound and small application range of western medicine treatment and is particularly suitable for the old and weak and people unsuitable for surgery. Through clinical observation, the total effective rate reaches 90 percent. The invention is the drug for treating calculi and the method for preparing the same.

The invention discloses a novel resurfacing welding cored welding strip which consists of a steel tube circled by steel strips and drug powder wrapped in the steel tube, the steel strips comprises an upper steel strip and a lower steel strip which can be purchased in the market. The shape of the steel tube circled by steel strips is that the longitudinal cross section is long flat form or rectangle-like shape, the longitudinal length is determined at will, and the steel tube can be cut out at will or winded into a tray according to requirements. The transverse edges of the upper steel strip and the lower steel strip are connected at the upper steel strip side in a related joint form, and the drug powder is filled in the steel tube circled by the steel strips evenly with the filling rate being 20-80%. According to the different types of resurfacing metals, the content of alloy element in the resurfacing welding cored welding strip is different. The cored welding strip has simple production equipment and technique, and low production cost, thus overcoming the defect that alloy welding filament used for filament resurfacing welding is difficult to produce and the problems of large investment on production equipment, high production cost and expensive price in cored welding filament production.

A strong pressure and a strong shearing force are exerted to a mixture, constituted of two kinds or more of powder materials including a drug powder, while causing the mixture to pass between a press section (26) of a press head (24) and a receiving surface (25) of a cylindrical rotator (23), thereby combining the drug powder with the other powder material. For example, at least one of a drug and a biocompatible polymer is made into a nano particle whose average particle diameter is less than 1000 nm, and the nano particle is made into a composite in accordance with a dry mechanical particle combining method, so as to form a polymer nano composite particle. Thus, it is possible to produce a composite particle, which contains a drug under a stable condition, in a short time, and it is possible to remarkably improve its handling property without losing advantages of the nano particle. As a result, it is possible to favorably apply the foregoing technique to DDS of a powdery drug taken into the body through the lung or a similar drug.

The invention provides a drug dressing for the burn treatment and a preparing method thereof. The drug dressing comprises the following bulk drugs calculated according to the parts by weight: each 0.6 to 1.5 parts of arnebia root, sanquisorba root, Chinese goldthread, pangolin, dark plum, Chinese gall, giant knotweed, coptis root, corktree bark, dahurian angelica, hyacinth bletilla, bornel, burnt hair and Vaseline, and 1.5 to 2.5 parts of dragon's blood resin; the drug dressing also comprises 20 to 60 parts of vegetable oil calculated according to the parts by weight; the method comprises the following steps that: the pangolin, the bornel, the burnt hair and the dragon's blood resin are ground into four drug powder; the other bulk drugs and the vegetable oil are put into an oil bath to be heated, the other bulk drugs are fired with a slow fire until golden, gruffs are fished out, and then drug oil is achieved; when the drug oil is cooled, the four drug powder are mixed into the drug oil, and is stirred uniformly. The dressing can create a moist and germfree local environment for the wounded area, and has the remarkable advantages that the anti-infection effect is good and the healing of wound surface is quick, so as to be applicable for military first aids, primary hospitals and families.

The invention belongs to the technical field of a microneedle, and concretely relates to a drug-loaded soluble microneedle patch and a preparation method thereof. The microneedle patch of the presentinvention comprises a needle and a base patch, and the needle and the base patch are prepared by centrifuging, freezing and thawing a polyvinyl alcohol-glucan solution with different mass fractions, the drug powder is placed between the needle and the base patch to form the drug-loaded soluble microneedle patch. The microneedle patch has high safety, good solubility, good mechanical properties andlarge drug loading; the invention also provides the preparation method of the microneedle patch, the method is simple and easy, does not require special equipment and preparation processes, and is suitable for popularization. In the microneedle patch of the invention, a sandwich layer between the tip of the needle and a substrate can be loaded with a large amount of solid powder medicine, which greatly increases the drug loading amount of the microneedle patch, and achieves the purpose of transdermal sustained release of the drug or vaccine.

Provided is a chemotherapy drug mixing device. The device comprises an annular connecting seat, an upper thrusting needle, a lower thrusting needle and a flow valve, a through hole is formed in the middle of the connecting seat from top to bottom, and the upper thrusting needle and lower thrusting needle are respectively arranged at the upper end and lower end of the through hole located in the middle of the annular connecting seat; a cylindrical groove is transversely arranged in the middle of the annular connecting seat, the flow valve comprises a spring, a piston, a push rod, an installation cover and a handle, and a through hole is formed in the middle of the piston from top to bottom; the spring is placed in the left end of the cylindrical groove, the left portion of the push rod is arranged on the right end of the piston, and the installation cover is arranged on the right end of the cylindrical groove, and the right side end of the push rod is sleeved with the handle. The novelproduct is placed in an aseptic bag for storage and use, and the mixing device is made from medical grade aseptic materials to avoid that the material itself influences patient's health. In the process of mixing drug liquid and drug powder, when the drug liquid is transported by the upper thrusting needle and lower thrusting needle, the drug liquid can not be exposed to the air to prevent the outside air from contaminating the mixed drug liquid, the drug liquid flow can be conveniently controlled, and based on the above descriptions, the device has better application prospects.

A powder snuff of insulin for administration of lung is prepared from insulin, polyhydroxy glucol and amino acids through spray drying. Its advantages are small diameter of powder particles, light weight, and high solubility, stack density and atomizing performance.

The invention provides a medicine powder mixing device. The medicine powder mixing device comprises an automatic feeder and a medicine powder allocation device below the automatic feeder. The automatic feeder comprises a feeding barrel and a rail. The feeding barrel can automatically slide along the rail. The valve of the discharge outlet of the feeding barrel is provided with an on-off sensor connected with a controller. The medicine powder allocation device comprises a support, a medicine powder barrel and a reducer. Two sides of the medicine powder barrel are rotatably connected with the support. A rotary shaft is connected with the reducer through a belt. A medicine powder evenness sensor and a medicine powder temperature sensor which are connected with the controller are arranged in the medicine powder barrel. The medicine powder barrel comprises a left barrel body and a right barrel body, the bottom ends of the left barrel body and the right barrel body are communicated with each other, and the upper ends of the left barrel body and the right barrel body are respectively provided with a left feed inlet and right feed inlet. The medicine powder mixing device has the advantages that different medicine powder is placed into the left barrel body and the right barrel body, the medicine powder can be sufficiently mixed during rotation, the mixing degree of the medicine powder can be achieved by the medicine powder evenness sensor and the medicine powder temperature sensor, automation is achieved, and work efficiency is increased.

The invention provides a liquid metal drug system. The liquid metal drug system comprises liquid metal and drug powder coating the outer surface of a liquid metal droplet. The invention also provides a preparation method of the liquid metal drug system. The preparation method comprises the following steps: adding the liquid metal into a glass breaker, then adding a drug in a corresponding ratio, stirring at a certain rotating speed by adopting a stirrer at a certain temperature, oxidizing the liquid metal in the air so as to form an oxidized film, and coating the drug powder on the oxidized film; putting the liquid metal coated with the drug into a Hank's solution or HCl solution similar to ingredients of a physiological solution and human body fluid, inserting electrodes at the two ends of the solution, and introducing a certain voltage, so that the liquid metal micro droplet coated with the drug can freely move forward, and drug delivery of the liquid metal is realized; and when a negative electrode is in contact with the liquid metal coated with the drug and after electrical stimulation is carried out, slowly releasing the drug by the liquid metal. The liquid metal drug system provided by the invention can conveniently, rapidly and efficiently realize loading, delivery and release of the liquid metal drug.

The invention relates to a Gukangling plaster formula for activating blood and dissolving stasis and a preparation method. The Gukangling plaster formula comprises 21 excellent traditional Chinese medicines. The preparation method comprises the steps of: 1, respectively grinding eupolyphaga, borneol, antler glue and dragon's blood into fine powder; 2, singly packaging pseudo-ginseng and buck wheat meal, then grinding angelica sinensis, achyranthis bidentatae, safflower, garden balsam stem, Himalayan teasel root, lycopodium clavatum, peach kernel, drynaria rhizome, frankincense, myrrh, radix curcumae longae and jasmine and screening by using a sieve of 80 mesh; 3, pouring 3000 ml of mature vinegar into a pot, adding blood-wort and dog shank for decocting for 60min with slow fire, filtering, adding the eupolyphaga powder into dregs of a decoction, decocting for 60min with slow fire to be medicine vinegar; and 4, pouring 7000 ml of mature vinegar into a dispensing barrel, adding the medicine powder screened by using the sieve of 80 mesh, putting the dispensing barrel into an oven to be heated to 160 DEG C, carrying out constant temperature for 2h, then adding the antler glue, the borneol, the dragon's blood, the pseudo-ginseng, the buck wheat meal and 3000 ml of the medicine vinegar, heating to 100 DEG C with slow fire, carrying out constant temperature for 1h, forming the plaster, applying the plaster on cotton cloth, applying plant oil and spreading a plastic film. The invention has reasonable formula, scientific preparation method, no sensitivity and high treatment effect.

The invention discloses a medicine dispensing device, which comprises a base; a support member, which is arranged on the base, for supporting an infusion bag; a needle head, which is arranged on the base, and is used for inserting the infusion bag; On the base and connected with needle one, it is used to replace the medicine in the medicine bottle into the infusion bag. With this device, the structure is simple, the space occupied is small, and the operation is easy. It can realize the automatic needle insertion of the infusion bag and the medicine bottle, and realize the automatic suction and injection of the medicine liquid, so as to realize the dispensing of the medicine liquid or medicine powder in the medicine bottle and the The automation and convenience of injection can effectively avoid the reflux of the liquid medicine, and can realize large-scale one-time dispensing. At the same time, some of the medicine bottles can be replaced when other medicine bottles are dispensing, which improves the practical value, effectively reduces the labor intensity and improves the dispensing efficiency. High and safe and reliable.

The invention provides a pharmaceutical device for crushing and mixing various medicines and belongs to the field of pharmaceutical machinery. The pharmaceutical device comprises a box body, a first feeding opening, a first crushing mechanism, a medicine powder storage box, an electric control valve and a mixing and stirring cavity, wherein the first feeding opening is formed in the top end of thebox body; the first crushing mechanism is arranged at the lower end of the first feeding opening; a medicine conveying pipeline is arranged at the right end of the first crushing mechanism; a secondcrushing mechanism is arranged at the right end of the medicine conveying pipeline; the medicine powder storage box is arranged at the lower end of the second crushing mechanism; the electric flow control valve is arranged at the lower end of the medicine powder storage box; the mixing and stirring cavity is arranged at the lower end of the electric flow control valve. According to the pharmaceutical device provided by the invention, the first crushing mechanism and the second crushing mechanism are arranged, and are used for carrying out multi-layered crushing treatment on various medicines;the medicine powder storage box and the electric flow control valve are arranged, and various medicines are mixed and stirred under the control of a control box, so that the working strength of pharmaceutical workers is reduced and the pharmaceutical efficiency is improved.

The invention relates to a solid drug powder grinding device, in particular to a solid drug powder grinding device for the otolaryngology department. The technical aims of being uniform and sufficient in powder grinding, high in powder grinding efficiency and easy to operate are achieved by the solid drug powder grinding device for the otolaryngology department. In order to achieve the technical aims, the solid drug powder grinding device for the otolaryngology department further comprises a rotating device. The rotating device comprises a third sliding rail, a third sliding block, a rack, a bearing pedestal and the like. The third sliding rail is arranged at the left side position of the middle of a base plate and is further provided with the third sliding block in a sliding mode. The bearing pedestal is arranged at the right side position of the third sliding rail and located at the top of the base plate. The bearing pedestal is provided with a rotating shaft, and the rotating shaft is connected with the bottom of a fixed plate. A gear is arranged at the middle position of the rotating shaft, and the rack is arranged at the rear side of the gear. The solid drug powder grinding device for the otolaryngology department achieves the effects of being uniform and sufficient in powder grinding, high in powder grinding efficiency and easy to operate. According to the solid drug powder grinding device for the otolaryngology department, machine power is used for grinding solid drugs, the speed is high, multifunctional solid drug grinding is achieved, moving is made more convenient, and a large number of manpower and material resources are saved.