A61M2037/0023

DIRECT APPLICATION SYSTEM AND METHOD FOR THE DELIVERY OF BIOACTIVE COMPOSITIONS AND FORMULATIONS
20230033858 · 2023-02-02 ·

The embodiments relate to improved skin quality, health and appearance using a new delivery method and certain bioactive compositions and formulations. The system incorporates microneedle delivery technology with unique compositions and formulations. Such development allows for the pursuit of personalized medicine, or treatment delivery that can expand to remote controlled environment, immediate compounding and ultimate personalization with a state of the art longitudinal data predictive analytics. Certain formulations described herein are unique, combinatory and synergistic. Secured by high-tech proprietary system, there are unlimited potentials using AQT technology including but not limited to 3-D printing of a biodegradable micro chips that can be delivered via injection, AQT or any other possible route.

Laser-assisted transdermal delivery of nanoparticulates and hydrogels

A laser treatment system includes a laser device configured to produce a laser beam at a wavelength in an ultraviolet spectrum to provide for tissue ablation, a lens configured to focus and direct the laser beam to a site to form an opening in a surface of the site, a valve connected to a first channel, and a nozzle that emits the laser beam and controls delivery of at least a first substance and a second substance to the site. A portion of the first channel is disposed within a first sidewall of the nozzle to deliver the first substance, and a second channel unconnected with the valve is disposed within a second sidewall of the nozzle to deliver the second substance.

INTRADERMAL DRUG DELIVERY DEVICE
20220347452 · 2022-11-03 · ·

A method of fluid delivery into a person's skin includes receiving a fluid delivery time indicating the amount of time required for a delivery of the fluid through a microneedle array of the intradermal fluid delivery device into the person's skin. The processor repeatedly turns the air pump on or off, for the fluid to gradually be injected into the person's skin. The method controls the total fluid delivery time and/or the granularity of the fluid delivery. The total fluid delivery time may be set to T, and the time period T may be divided into smaller periods t.sub.1 to t.sub.n, where the fluid may be administered in a period t1, the fluid delivery may then be stopped for a period t2, followed by another fluid delivery period, etc. The periods t1 to tn may be the same or of different lengths.

MICRONEEDLE APPLICATOR
20220347451 · 2022-11-03 ·

A microneedle applicator is provided. A microneedle applicator according to an embodiment of the present invention comprises: a microneedle array; an operation member disposed on the upper portion of the microneedle array and operating such that a user applies an external force so as to insert a microneedle into skin; a housing for accommodating the microneedle array and the operation member; a first guide member disposed in at least one position on a lateral portion of the operation member or on a lateral portion of an interworking member of the operation member; and a second guide member which is disposed on the inner surface of the housing in a position corresponding to the first guide member so as to be engaged with the first guide member, and allows the first guide member to slide so as to prevent the microneedle array from rotating or horizontally distorting when the microneedle array uniformly vertically descends due to the external force.

Silicon Microneedle Structure and Production Method
20230035272 · 2023-02-02 ·

A microneedle structure has one or more microneedles (104) projecting from the major surface (102) of a substrate (100). The microneedle has a penetrating tip (106) formed at an intersection between upright surfaces (108) and an inclined surface (110) corresponding to a (1 1 1) crystallographic plane. The microneedle has an expanding portion bounded by a continuation of the upright surfaces (108) and inclined surface (110), and a constant cross-section portion bounded by a continuation of the upright surfaces and a slicing plane (112) extending from an edge (114) of inclined surface (110) towards, and perpendicular to, major surface (102) of the substrate. A width W of inclined surface (110) increases monotonically from penetrating tip (106) to edge (114).

Cryo formulation-based microneedle device for ocular delivery of bioactive therapeutic agents using a cryo-microneedle patch
20230038697 · 2023-02-09 ·

A cryo formulation-based microneedle device for ocular delivery of bioactive therapeutic agents. The microneedle device includes: one or more microneedle patches each including an array of miniaturized needles, wherein each miniaturized needle defining a base end and a tip; and a substrate to which the base end of the array of miniaturized needles is attached or integrated thereto; wherein the microneedle patch is in a cryo status; wherein each of the one or more microneedle patch is adapted to be applied on cornea of an eye, in which the miniaturized needles penetrates into the eye; and wherein the miniaturized needles is further arranged to melt so as to release one or more bioactive therapeutic agents into the eye to achieve a targeted therapeutic effect.

Pixel array medical systems, devices and methods
11612410 · 2023-03-28 · ·

Systems, instruments, and methods for minimally invasive procedures including one or more of fractional resection, fractional lipectomy, fractional skin grafting, and/or fractional scar revision are described. Embodiments include instrumentation comprising a scalpet assembly coupled to a carrier, and the scalpet assembly includes a scalpet array. The scalpet array includes one or more scalpets configured for fractional resection, fractional lipectomy, fractional skin grafting, and/or fractional scar revision. The system includes a vacuum component coupled to the scalpet assembly and configured to evacuate tissue from the a site. The carrier is configured to control application of a rotational force and/or a vacuum force to the scalpet assembly.

Microneedle patch case

Providing a patch case that is easily attached to a microneedle applicator, easily separable from the microneedle patch upon insertion and disposable for use. The main feature of the patch case according to the present invention is characterized in that it is made of a thermoplastic polymer and is capable of holding a microneedle patch comprising a support film which can be heat-sealed with the thermoplastic polymer. Preferably, the thermoplastic polymer of the body and the fusible material of the support film are both polyolefins or both are the same thermoplastic polymer. In addition, if the patch case is attached to the front of the applicator, sanitary situation can be maintained even with continuous use of the applicator, since the applicator does not contact the skin of the recipient.

Cryo formulation-based microneedle device for transdermal delivery of bioactive therapeutic agents and performing vaccination using a cryo-microneedle patch
20230033564 · 2023-02-02 ·

A cryo formulation-based microneedle device for transdermal delivery of bioactive therapeutic agents. The microneedle device includes: one or more microneedle patches each including an array of miniaturized needles, wherein each miniaturized needle defining a base end and a tip; and a substrate to which the base end of the array of miniaturized needles is attached or integrated thereto; wherein the microneedle patch is in a cryo status; wherein each of the one or more microneedle patch is adapted to be applied on a skin surface, in which the miniaturized needles penetrates into skin; wherein the miniaturized needles is further arranged to melt so as to release one or more bioactive therapeutic agents into the skin to achieve a targeted therapeutic effect; and wherein the bioactive therapeutic agents includes protein and/or antigens.

PREPARATION METHOD FOR MICRONEEDLE PATCH
20230091503 · 2023-03-23 ·

The present invention relates to a preparation method for a microneedle patch. Specifically, the present invention provides a preparation method for a microneedle patch, and the method comprises steps: (1) milling a base into a master mold of the microneedle patch; (2) conducting surface treatment on the master mold, to obtain the treated master mold; (3) conducting reverse molding on a surface of the treated master mold, conducting deaeration, curing, and demolding, to obtain the cured daughter mold; and (4) casting the modification solution on the surface of the daughter mold, and then conducting deaeration, drying and curing, to obtain the microneedle patch. The method for preparing the microneedle patch in the present invention can greatly reduce the milling difficulty, and save the milling cost and time. The microneedle molds with different aspect ratios, areas and shapes can also be prepared as required, following with reverse molding to diverse microneedle patches. Therefore, a feasible implementation scheme is provided in present invention for the production application of the microneedles and the feasibility of the wide application is greatly enhanced.