18 results about "Transdermal medication" patented technology

A transdermal drug delivery device includes a reservoir, a transdermal membrane, a piston, a control rod, a spring, and a rotational cam. The reservoir is configured to hold a formulation. The transdermal membrane is configured to allow the formulation from the reservoir to pass therethrough. The piston is configured to move into the reservoir. The control rod is attached to the piston and includes a plurality of teeth thereon. The spring is configured to apply force to the control rod in the direction of the reservoir. The rotational cam has a first camming surface and a second camming surface that are configured to engage with the plurality of teeth. The rotational cam, when rotated, is configured to disengage the first camming surface from a first tooth of the plurality of teeth, thereby allowing the spring to advance the piston into the reservoir to expel the formulation onto the transdermal membrane.

To provide a weak current generating human application component capable of conveniently and efficiently transmitting a transdermal drug to a user's skin.SOLUTION: After a user pours an appropriate amount of water on a fiber layer 10 and allows water to permeate, when a thermoplastic resin soft film 40 is stuck to a skin 70, the fiber layer 10 containing a transdermal drug is directly used for the skin 70. Subsequently, the water supplied to the fiber layer 10 flows between a positive electrode 20 and a negative electrode 30 via multiple holes 21 formed in the positive electrode 20 and a polymer membrane 50, and when the water acting as an electrolyte in this way permeates between the positive electrode 20 and the negative electrode 30, a weak current is generated by a potential difference formed when reduction-oxidation reactions occur in the two electrodes 20 and 30 respectively. The generated weak current ionizes the transdermal drug, and then transmits the ionized transdermal drug to the inside of the skin 70 of the user.SELECTED DRAWING: Figure 1

The present application provides a low-temperature plasma patch for enhancing transdermal delivery of useful substances and a transdermal delivery method using same. More specifically, the present application provides a low-temperature plasma patch for enhancing transdermal delivery of useful substances and a transdermal delivery method using same, wherein the patch can be attached to the skin to temporarily weaken the skin barrier and facilitate the delivery of useful substances such as transdermal drugs.

The present disclosure provides transdermal drug delivery systems, methods, and platforms. In one example, the smart patch includes a drug-containing layer, a communication interface, and one or more sensors configured to detect a status change of the smart patch to the smart patch, the status change of the smart patch including one or more of removing a packaging from the smart patch and applying the smart patch to skin of the patient. The smart patch further includes a processor communicatively coupled to the one or more sensors and the communication interface, wherein the processor is configured to perform operations including automatically transiting between a plurality of working conditions based on the status change of the smart patch, the plurality of working conditions of the smart patch comprising a hibernation mode, a sleep mode, and a work mode and transmitting smart patch usage data via the communication interface.

The invention belongs to the technical field of biology, and discloses application of a composition of neoagaro-oligosaccharide and astaxanthin in preparation of a transdermal drug for treating osteoarthritis and a composite gel preparation. The composition provided by the invention comprises neoagaro-oligosaccharide, astaxanthin, carbomer and alginate in a mass ratio of (1-10): (1-10): (0.01-0.5): (0.1-1), and can realize efficient enrichment of neoagaro-oligosaccharide and astaxanthin in an articular cavity through a substance diffusion path of skin penetration, deep tissue diffusion, joint capsule permeation and articular cavity enrichment, so that the content of neoagaro-oligosaccharide and astaxanthin in the articular cavity is improved, and the content of astaxanthin in the articular cavity is reduced. The new agar oligosaccharide and the astaxanthin have an excellent synergistic effect, so that the acute inflammation symptom of gouty osteoarthritis can be efficiently relieved, the progress of the disease course is blocked, the pathological change of joint tissue is repaired, and the new agar oligosaccharide and the astaxanthin have an excellent application prospect in preparation of the transdermal medicine for treating osteoarthritis.

The application belongs to the technical field of biotechnology, and discloses application of a new sialyloligosaccharide and astaxanthin composition in preparation of a transdermal drug for treating osteoarthritis and a composite gel preparation. The composition provided by the application comprises new sialyloligosaccharide, astaxanthin, carbomer and alginate with a mass ratio of (1-10):(1-10):(0.01-0.5):(0.1-1). The composition can realize efficient enrichment of the new sialyloligosaccharide and astaxanthin in the joint cavity through a diffusion pathway of skin penetration, deep tissue diffusion, joint capsule penetration and joint cavity enrichment of the substance, and the new sialyloligosaccharide and astaxanthin have excellent synergistic effects, can efficiently relieve acute inflammatory symptoms of gouty osteoarthritis, block the disease progression and repair the joint tissue pathological changes, and have excellent application prospects in preparation of the transdermal drug for treating osteoarthritis.

The present disclosure provides transdermal drug delivery systems, methods, and platforms. In one example, the smart patch includes a drug-containing layer, a communication interface, and one or more sensors configured to detect a status change of the smart patch to the smart patch, the status change of the smart patch including one or more of removing a packaging from the smart patch and applying the smart patch to skin of the patient. The smart patch further includes a processor communicatively coupled to the one or more sensors and the communication interface, wherein the processor is configured to perform operations including automatically transiting between a plurality of working conditions based on the status change of the smart patch, the plurality of working conditions of the smart patch comprising a hibernation mode, a sleep mode, and a work mode and transmitting smart patch usage data via the communication interface.

A microneedle particle arranged to be rolled and massaged on a subject's skin to penetrate the stratum corneum is disclosed. The microparticle comprises a support body, and a plurality of microneedles protruding from the support body (20), each microneedle comprising a tip. The support body maintains the microneedles and tips in a predetermined conformation allowing the microneedle particle to be rolled on the skin. The microneedles have an average tip sharpness radius of less than 20 μm, an average microneedle length of less than 100 μm, and an average tip sharpness to microneedle length ratio of 1:5 to 1:200. Formulations and kits for said use are provided. A microneedle particle manufacturing method using a non-linear two-photon absorption process, a non-therapeutic cosmetic method of skin treatment, and a method of drug delivery through the skin for said microneedle particle are disclosed.

Described herein are compositions (e.g., topical formulations) including andrographolides (ANGL), epigallocatechin gallate (EGCG), or a combination thereof, and methods of making and using the same.

The present invention relates to the development of antibacterial biocellulosic patches / membranes for transdermal drug delivery. Novel high cellulose producing bacterial strain Komagataeibacter hansenii (MBS-8) has been isolated. The production and purification process of biocellulosic membranes is developed in such a way that the membranes produced are of desired thickness and length, suitable for drug impregnation in a cost-effective manner for the development of transdermal patches. Further, a process for efficient drug impregnation of Mupirocin in BC membranes has been developed. Weight and drug content of mupirocin impregnated BCM were found to be uniform.

The present disclosure provides transdermal drug delivery systems, methods, and platforms. In one example, a smart patch includes a drug-containing layer, a communication interface, and one or more sensors configured to detect a state change between the smart patches, the state change of the smart patch including one or more of removing a package from the smart patch and applying the smart patch to the skin of a patient. The smart patch further includes a processor communicatively coupled with the one or more sensors and the communication interface, where the processor is configured to perform operations including automatically transitioning between a plurality of operating conditions based on a change in state of the smart patch and transmitting smart patch usage data through the communication interface, the plurality of working conditions of the intelligent patch comprise a sleep mode, a sleep mode and a working mode.

The invention discloses a ropinirole transdermal pharmaceutical composition as well as a preparation method and application thereof, and belongs to the technical field of veterinary drugs. The composition comprises, by weight, 1%-30% of ropinirole or pharmaceutically acceptable salt of ropinirole as an active component, and at least one transdermal promoting solvent, and can be prepared into a transdermal non-aqueous solution, a transdermal ointment, a transdermal gel preparation or a transdermal patch and other dosage forms.

The invention belongs to the technical field of transdermal medicinal preparations, and particularly relates to a matrine hydrogel transdermal patch as well as a preparation method and application thereof. The transdermal patch comprises a back lining layer, a medicine storage layer and a protective layer which are sequentially stacked, and the medicine storage layer is prepared from the following raw materials in parts by weight: 8-15 parts of sophocarpidine, 8-15 parts of a gel matrix, 3-6 parts of ethanol, 0.3-1.5 parts of a penetration enhancer, 3-10 parts of a humectant and the balance of a pH buffer solution, totaling 100 parts. The matrine transdermal patch is high in drug loading capacity, excellent in transdermal efficiency, lasting in slow release performance, good in biocompatibility, high in stability and comfortable to apply, and can be used for long-acting treatment of chronic hepatitis, non-alcoholic fatty liver diseases and tumor diseases.

The present invention significantly improves transdermal drug skin permeability from a matrix-type transdermal absorption preparation by utilizing dermal pores punctured by using microneedles.　In a microneedle transdermal preparation of the present invention: a microneedle array comprises a substrate and microneedles erected on the substrate; a bottom surface drug-containing layer is provided above the substrate when the tips of the microneedles are directed upward; and the bottom surface drug-containing layer has recesses between the microneedles.

This disclosure provides methods and devices for providing nutrients (e.g., oxygen, vitamins, or minerals) or a transdermal drug into a body of a subject through the subject' s skin.

Disclosed herein are acoustofluidic transdermal drug delivery devices, systems, and methods for delivering a therapeutic agent to a subject or sampling a biofluid, such as interstitial fluid or blood, from the body of the subject. The disclosed device, systems, and methods involve application of an AC signal, such as radiofrequency, which generates surface acoustic waves (SAWs) upon interacting with the device, thereby inducing a streaming flow capable of enabling transdermal drug delivery or transdermal sampling of a biofluid.

The present disclosure relates to the to the transdermal administration of THC and / or CBD and derivatives of these compounds, for the treatment and / or prevention and / or control of multiple sclerosis, multiple sclerosis-related muscle spasms, and pain and / or spasticity in multiple sclerosis.

The invention discloses a preparation for transdermal drug delivery as well as a preparation method and application thereof, and relates to the technical field of drug delivery. The hydrogel is used for loading a transdermal drug, and the hydrogel contains ammonium bicarbonate with the final mass concentration of 1%-5%. According to the invention, a pre-dissolving method is adopted to entrap in a hydrogel material, and by means of the heat effect of ultrasound or light, ammonium bicarbonate in the hydrogel material can be promoted to be decomposed to generate ammonia gas and carbon dioxide, and then the ammonia gas and the carbon dioxide are gathered to form microbubbles. Then, ultrasonic acts on microbubbles in the hydrogel, a cavitation effect is generated, a skin barrier is opened, the infiltration capacity of the skin of the acting part is improved, and transdermal delivery of the medicine is achieved. When treatment is needed, the microbubbles are generated by utilizing the heat effect and / or the heat effect of ultrasound, the controllability is good, the yield of the microbubbles can be changed by controlling conditions such as temperature, time and ultrasonic power, the period of validity is long, and the microbubbles can be stored at room temperature for a long time.