RU2020132467A - Микроигольная платформа со структурой типа сердцевина-оболочка для трансдермальной и пульсирующей доставки лекарств/вакцин и способ ее изготовления - Google Patents
Микроигольная платформа со структурой типа сердцевина-оболочка для трансдермальной и пульсирующей доставки лекарств/вакцин и способ ее изготовления Download PDFInfo
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- microneedle
- therapeutic agent
- silicone mold
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- copolymer
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M37/00—Other apparatus for introducing media into the body; Percutany, i.e. introducing medicines into the body by diffusion through the skin
- A61M37/0015—Other apparatus for introducing media into the body; Percutany, i.e. introducing medicines into the body by diffusion through the skin by using microneedles
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/20—Surgical instruments, devices or methods, e.g. tourniquets for vaccinating or cleaning the skin previous to the vaccination
- A61B17/205—Vaccinating by means of needles or other puncturing devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C39/00—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor
- B29C39/003—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor characterised by the choice of material
- B29C39/006—Monomers or prepolymers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C39/00—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor
- B29C39/02—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor for making articles of definite length, i.e. discrete articles
- B29C39/026—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor for making articles of definite length, i.e. discrete articles characterised by the shape of the surface
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C39/00—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor
- B29C39/02—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor for making articles of definite length, i.e. discrete articles
- B29C39/10—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor for making articles of definite length, i.e. discrete articles incorporating preformed parts or layers, e.g. casting around inserts or for coating articles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C41/00—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor
- B29C41/003—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor characterised by the choice of material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/003—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor characterised by the choice of material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/02—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles
- B29C43/021—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles characterised by the shape of the surface
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M37/00—Other apparatus for introducing media into the body; Percutany, i.e. introducing medicines into the body by diffusion through the skin
- A61M37/0015—Other apparatus for introducing media into the body; Percutany, i.e. introducing medicines into the body by diffusion through the skin by using microneedles
- A61M2037/0023—Drug applicators using microneedles
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M37/00—Other apparatus for introducing media into the body; Percutany, i.e. introducing medicines into the body by diffusion through the skin
- A61M37/0015—Other apparatus for introducing media into the body; Percutany, i.e. introducing medicines into the body by diffusion through the skin by using microneedles
- A61M2037/003—Other apparatus for introducing media into the body; Percutany, i.e. introducing medicines into the body by diffusion through the skin by using microneedles having a lumen
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M37/00—Other apparatus for introducing media into the body; Percutany, i.e. introducing medicines into the body by diffusion through the skin
- A61M37/0015—Other apparatus for introducing media into the body; Percutany, i.e. introducing medicines into the body by diffusion through the skin by using microneedles
- A61M2037/0046—Solid microneedles
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M37/00—Other apparatus for introducing media into the body; Percutany, i.e. introducing medicines into the body by diffusion through the skin
- A61M37/0015—Other apparatus for introducing media into the body; Percutany, i.e. introducing medicines into the body by diffusion through the skin by using microneedles
- A61M2037/0053—Methods for producing microneedles
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M37/00—Other apparatus for introducing media into the body; Percutany, i.e. introducing medicines into the body by diffusion through the skin
- A61M37/0015—Other apparatus for introducing media into the body; Percutany, i.e. introducing medicines into the body by diffusion through the skin by using microneedles
- A61M2037/0061—Methods for using microneedles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/02—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles
Claims (31)
1. Система пульсирующей доставки лекарств, содержащая блок микроигл, включающий в себя множество микроигл, заполненных терапевтическим средством, при этом микроиглы содержат биоразлагаемые полимеры, блок микроигл выполнен с возможностью высвобождения терапевтического средства через предварительно заданные временные интервалы в предварительно заданном количестве терапевтического средства, в то время как блок микроигл остается внедренным в пациента.
2. Система по п. 1, в которой биоразлагаемый полимер разрушается с течением времени для высвобождения терапевтического средства в пациента.
3. Система по п. 1, дополнительно содержащая компьютерный процессор, имеющий электронную связь с блоком микроигл, при этом компьютерный процессор запрограммирован компьютерно-читаемыми командами, чтобы инициировать высвобождение терапевтического средства.
4. Система по п. 5, дополнительно содержащая активизатор, имеющий электронную связь с компьютерным процессором, чтобы инициировать высвобождение терапевтического средства.
5. Система по п. 1, в которой терапевтическое средство является вакциной.
6. Способ изготовления блока микроигл, при этом способ содержит следующие этапы:
формируют блок сердцевин микроигл посредством
заполнения первой силиконовой формы, включающей в себя множество микроигольных полостей, сополимером,
вращения первой силиконовой формы для снятия первого избыточного слоя сополимера на первой силиконовой форме, и
формирования сердцевины в каждой из полостей, заполненных сополимером;
формируют блок терапевтического средства посредством
заполнения множества полостей во второй силиконовой форме терапевтическим средством,
вращения второй силиконовой формы для снятия второго избыточного слоя терапевтического средства, и
извлечения формованного терапевтического средства из второй формы и переноса формованного терапевтического средства на подложку; и
совмещают блок терапевтического средства с блоком сердцевин микроигл, чтобы, тем самым, заполнить сердцевины в блоке сердцевин микроигл терапевтическим средством.
7. Способ по п. 6, в котором полости в первой силиконовой форме и второй силиконовой форме имеют коническую форму.
8. Способ по п. 6, в котором сополимер является сополимером D, L-лактида с гликолидом (PLGA).
9. Способ по п. 6, дополнительно содержащий этап формирования первой силиконовой формы посредством налива полидиметилсилоксана (PDMS) на основную структуру и отверждения.
10. Способ по п. 6, дополнительно содержащий этап накапывания растворителя на первый избыточный слой, чтобы снять избыточный слой, с одновременным вращением первой силиконовой формы.
11. Способ по п. 10, в котором растворитель является ацетоном.
12. Способ по п. 6, дополнительно содержащий этап накапывания воды на второй избыточный слой, чтобы снять второй избыточный слой, с одновременным вращением второй силиконовой формы.
13. Способ по п. 6, в котором терапевтическое средство смешано с полимерным носителем из биосовместимых или биоразлагаемых полимеров.
14. Способ по п. 13, в котором полимерный носитель является поливинилпирролидоном (PVP).
15. Способ по п. 6, дополнительно содержащий этап формирования блока крышек посредством
заполнения множества полостей в третьей силиконовой форме сополимером, чтобы сформировать множество крышек,
вращения третьей силиконовой формы, чтобы снять избыточный слой сополимера на третьей силиконовой форме,
снятия формованных крышек с третьей формы и переноса формованных крышек на блок сердцевин микроигл, и
совмещения блока крышек с блоком сердцевин микроигл, чтобы тем самым закрыть сердцевины в блоке сердцевин микроигл крышками.
16. Способ по п. 15, дополнительно содержащий этап подведения тепла для приклеивания блока крышек к блоку сердцевин микроигл.
17. Способ по п. 15, дополнительно содержащий этап нанесения на опорную матрицу покрытия из водорастворимого полимера и приведения опорной матрицы в контакт с блоком крышек.
18. Способ по п. 17, дополнительно содержащий этап подведения тепла, чтобы приклеить опорную матрицу к блоку крышек для извлечения блока микроигл из первой силиконовой формы.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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US201862638758P | 2018-03-05 | 2018-03-05 | |
US62/638,758 | 2018-03-05 | ||
PCT/US2019/020838 WO2019173402A1 (en) | 2018-03-05 | 2019-03-05 | Core-shell microneedle platform for transdermal and pulsatile drug/vaccine delivery and method of manufacturing the same |
Publications (1)
Publication Number | Publication Date |
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RU2020132467A true RU2020132467A (ru) | 2022-04-05 |
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Family Applications (1)
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RU2020132467A RU2020132467A (ru) | 2018-03-05 | 2019-03-05 | Микроигольная платформа со структурой типа сердцевина-оболочка для трансдермальной и пульсирующей доставки лекарств/вакцин и способ ее изготовления |
Country Status (5)
Country | Link |
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US (2) | US11426570B2 (ru) |
EP (1) | EP3761864A4 (ru) |
CN (1) | CN112074227A (ru) |
RU (1) | RU2020132467A (ru) |
WO (1) | WO2019173402A1 (ru) |
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2019
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- 2019-03-05 EP EP19764864.5A patent/EP3761864A4/en active Pending
- 2019-03-05 WO PCT/US2019/020838 patent/WO2019173402A1/en unknown
- 2019-03-05 US US16/293,588 patent/US11426570B2/en active Active
- 2019-03-05 CN CN201980028300.1A patent/CN112074227A/zh active Pending
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2022
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CN112074227A (zh) | 2020-12-11 |
US11426570B2 (en) | 2022-08-30 |
US20190269895A1 (en) | 2019-09-05 |
EP3761864A4 (en) | 2022-04-20 |
US20220355089A1 (en) | 2022-11-10 |
WO2019173402A1 (en) | 2019-09-12 |
EP3761864A1 (en) | 2021-01-13 |
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