EP4655043A1 - Applikationsvorrichtung für mikronadeln, system zur mikronadelapplikation und verfahren zur bereitstellung eines systems zur mikronadelapplikation - Google Patents
Applikationsvorrichtung für mikronadeln, system zur mikronadelapplikation und verfahren zur bereitstellung eines systems zur mikronadelapplikationInfo
- Publication number
- EP4655043A1 EP4655043A1 EP23833498.1A EP23833498A EP4655043A1 EP 4655043 A1 EP4655043 A1 EP 4655043A1 EP 23833498 A EP23833498 A EP 23833498A EP 4655043 A1 EP4655043 A1 EP 4655043A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- microneedle
- reservoir
- receptacle
- application device
- microneedle array
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
- 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
-
- 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
Definitions
- ADDlication device for microneedles system for microneedle application and method for providing a system for microneedle application
- the invention relates to an application device for microneedles, a system for microneedle application and a method for providing a system for microneedle application.
- Microneedle arrays also called microarrays, have a large number of microneedles that are usually arranged on a carrier element, such as a patch, a plaster or the like, or are connected to a carrier element.
- a carrier element such as a patch, a plaster or the like
- Such microneedle arrays have a high number of microneedles, for example 100 to 600 needles per cm 2.
- the needles are particularly short, so that when the microneedles are pressed into the skin of a patient, the needles only penetrate the skin so far that nerves and blood vessels are not touched by the needle tips as far as possible.
- the microneedle arrays have an active ingredient or a medication.
- the corresponding active ingredient can be attached to a surface of the needles or arranged in the needles.
- the needles can, for example, be made of a material that dissolves in the skin.
- hydrogel microneedle arrays such as in Donnelly RF, McCrudden MTC, Zaid Alkilani A, Larraheta E, McAlister E, et al. "Hydrogel-Forming Microneedles Prepared from “Super Swelling” Polymers Combined with Lyophilised Wafers for Transdermal Drug Delivery” (2014) PLOS ONE 9(10).
- These hydrogel microneedle arrays are white swelling microneedles and generally do not contain any active ingredient.
- hydrogel microneedle arrays generally serve as a tool for piercing the stratum corneum barrier.
- rate-controlling delivery device The rate is controlled, for example, by adjusting the needles, which serve as a membrane.
- hydrogel microneedle arrays have numerous problems. Depending on the moisture content of the reservoir, the water and/or other solvents contained therein can diffuse into the microneedle array. This can, for example, lead to the microneedles swelling before application and/or at least becoming so soft that the necessary penetration of the skin, especially the stratum corneum, can no longer be ensured.
- the object of the invention is to provide an application device for microneedles, a system for microneedle application and a method for providing a system for microneedle application, wherein the handling, in particular the storage, of microneedle arrays is improved.
- the object is achieved according to the invention by an application device for microneedles according to claim 1, a system for microneedle application according to claim 12 and a method for providing a system for microneedle application according to claim 15.
- the application device for microneedles according to the invention is in particular an application device for hydrogel microneedles. It is preferably an application device for a microneedle array, particularly preferably a hydrogel microneedle array.
- the application device has a microneedle holder, in particular for holding a microneedle array.
- the application device also has a reservoir holder for holding a reservoir, in particular one containing an active substance.
- the application device in particular the microneedle holder and the reservoir holder, are preferably designed to hold the microneedle array and the reservoir opposite one another, preferably on the front side. Furthermore, the application device has a contact barrier for spacing a microneedle array held in the microneedle holder and a reservoir held in the reservoir holder.
- the contact barrier is in particular a diffusion barrier.
- the application device preferably has a housing, in particular made of plastic.
- the microneedle holder and/or the reservoir holder is preferably designed as one piece, also referred to as integral, with the housing. It is preferred that the microneedle holder and/or the reservoir holder and the housing are made of a common material, in particular one that merges into one another.
- the microneedle holder and/or the reservoir holder is preferably designed as an opening in the housing.
- the contact barrier particularly advantageously prevents diffusion of the water contained and/or another solvent into the microneedle array.
- the contact barrier is a distance, in particular an air gap (28).
- the distance, in particular the air gap (28) is preferably between a microneedle array accommodated in the microneedle receptacle and a microneedle array accommodated in the reservoir receptacle recorded reservoir and/or between the microneedle receptacle and the reservoir receptacle.
- the distance formed by the contact barrier preferably between a microneedle array accommodated in the microneedle receptacle and a reservoir accommodated in the reservoir receptacle and/or between the microneedle receptacle and the reservoir receptacle, is 0.01 mm to 3 mm, preferably 0.05 mm to 1 mm, particularly preferably 0.1 mm to 0.5 mm.
- the application device preferably the contact barrier
- the contact barrier is designed such that the contact barrier can be overcome by a relative movement, in particular a force-loaded movement, of a microneedle array accommodated in the microneedle receptacle to a reservoir accommodated in the reservoir receptacle.
- the force-loaded relative movement is in particular a contact pressure, preferably a manual contact pressure, of a user.
- a distance must be overcome by the relative movement.
- the application device has an intermediate element, in particular a spacer, between the microneedle holder and the reservoir holder to form the contact barrier.
- the intermediate element is in particular a web.
- the intermediate element has an opening between the microneedle receptacle and the reservoir receptacle, in particular for forming a connection between the microneedle receptacle and the reservoir receptacle.
- the opening in the intermediate element forms in particular the distance, preferably the air gap (28).
- the intermediate element is designed in particular as a physical barrier between a microneedle array accommodated in the microneedle receptacle and a reservoir accommodated in the reservoir receptacle.
- this intermediate element is designed in particular to be removable and/or breakable in order to overcome the contact barrier, preferably the distance. This intermediate element therefore has, for example, a predetermined breaking point and/or porosity.
- the application device has a form-fitting and/or a force-fitting connector for, in particular, locking, form-fitting and/or force-fitting reception of a microneedle array in the microneedle receptacle and/or a reservoir in the reservoir receptacle.
- the microneedle array has a form-fitting and/or a force-fitting connector for, in particular, locking, form-fitting and/or force-fitting reception of a microneedle array in the microneedle receptacle.
- the reservoir receptacle has a form-fitting and/or a force-fitting connector for, in particular, locking, form-fitting and/or force-fitting reception of a reservoir in the reservoir receptacle. It is preferred that at least one, in particular all, form-fitting and/or force-fitting connectors are designed as one piece with the housing.
- the at least one, in particular all, form-fitting and/or force-fitting connectors have: a groove, in particular for forming a tongue-and-groove connection; an undercut; a projection; a holding arm, in particular a flexible one; a latch; a closure and/or a fit, in particular for forming a press-fit connection.
- the microneedle holder has a particularly round or rectangular negative form of a microneedle array to be accommodated in the microneedle holder.
- the Reservoir receptacle preferably has a particularly round or rectangular negative form of a reservoir to be accommodated in the reservoir receptacle.
- the at least one negative form, in particular all negative forms, are preferably designed in one piece, in particular as openings, with the housing.
- the application device has a handle for handling, in particular placing and/or pressing the application device onto an application site.
- the handle is in particular a handle plate.
- the handle is preferably designed such that it can be held from above, from below and/or from the side, for example by means of the thumb and index finger, in particular without affecting a reservoir and/or a microneedle array.
- the system for microneedle application according to the invention is in particular a system for hydrogel microneedle application.
- the system has an application device with one or more features of an application device according to the invention.
- the system also has a microneedle array, in particular one free of active substances, accommodated in the microneedle receptacle, and/or a reservoir, in particular one containing active substances, accommodated in the reservoir receptacle.
- the microneedle array and the reservoir are arranged in particular opposite one another, preferably opposite one another at the front.
- the reservoir is preferably arranged at the front on the side of the microneedle array from which the microneedles originate and/or point away.
- the reservoir is preferably opposite the back of the microneedle array.
- the microneedle array preferably has 100 to 600 microneedles per cm 2 .
- the microneedle array preferably has conical or pyramidal microneedles.
- the microneedles of the microneedle array preferably have a length of 100 pm to 1000 pm, preferably of about 600 pm.
- the microneedles of the microneedle array preferably have a root diameter of 50 pm to 500 pm, particularly preferably of about 300 pm.
- the reservoir is in particular designed as The microneedle array and/or the reservoir preferably have a diameter of 5 to 25 mm, preferably of approximately 11 mm.
- the microneedle array and/or the reservoir preferably have a width of 5 to 25 mm, preferably of approximately 11 mm.
- the microneedle array preferably has a carrier element, preferably plate-shaped, which is connected to the microneedles, in particular in one piece.
- the microneedle array is a particularly swelling hydrogel microneedle array.
- the microneedles, particularly preferably the entire microneedle array, are preferably designed to be swelling.
- the microneedle array in particular comprises Gantrez, PVP and/or PVA, and preferably consists thereof.
- the reservoir has at least one active ingredient.
- the reservoir has in particular small molecules, also referred to as small chemical molecules, and/or biologics.
- the reservoir is in particular designed to hold larger amounts of active ingredient compared to dissolving or coated microneedle arrays.
- the reservoir preferably has a dissolving film, in particular polymer film, and preferably consists of this.
- microneedle array and the reservoir are adhesive to each other. This means in particular that the microneedle array and the reservoir bond to each other adhesively when they come into contact.
- the method according to the invention for providing a system for microneedle application is in particular a method for providing a system for hydrogel microneedle application.
- the method in particular comprises the step of providing a microneedle array and/or the step of providing a reservoir.
- a step of The method consists in arranging a microneedle array and a reservoir, in particular one containing an active substance, opposite one another.
- the arrangement is preferably carried out in such a way that the microneedle array and the reservoir are arranged opposite one another, preferably opposite one another at the end.
- the arrangement is preferably carried out in such a way that the reservoir is arranged at the end on the side of the microneedle array from which the microneedles originate and/or point away.
- the arrangement is preferably carried out in such a way that the reservoir is opposite the back of the microneedle array.
- the microneedle array and the reservoir are arranged opposite one another, the microneedle array is spaced apart relative to the reservoir.
- the spacing is carried out in particular by means of an application device, particularly preferably with one or more features of the application device according to the invention.
- the spacing is carried out in particular by means of a contact barrier, wherein the contact barrier is preferably designed as an air gap (28) and/or as a physical barrier.
- the spacing is arranged such that there is a free space between the microneedle array and the reservoir.
- the method comprises the further step, in particular after the opposing arrangement, of overcoming the distance between the microneedle array and the reservoir to produce a microneedle array system containing an active substance.
- the distance is overcome in such a way that a connection, in particular a permanent one, is formed between the microneedle array and the reservoir.
- an adhesive connection is formed between the microneedle array and the reservoir.
- the distance in particular the air gap (28), is overcome by a relative movement of the microneedle array relative to the reservoir, preferably a force-loaded movement.
- the relative movement is preferably carried out by applying a contact pressure, preferably a manual contact pressure by a user, to the reservoir.
- the distance is overcome in particular by removing and/or destroying a contact barrier forming the distance.
- Fig. 1 is a perspective top view of an embodiment of an application device according to the invention
- Fig. 2 is a sectional view of the application device of Figure 1 along II,
- Fig. 3 is a detailed sectional view of the application device from Figure 2 according to III,
- Fig. 4 is a plan view of the application device from Figure 1,
- Fig. 5 is a perspective top view of another embodiment of an application device according to the invention.
- Fig. 6 is a sectional view of the application device of Figure 5 along II
- Fig. 7 is a detailed sectional view of the application device from Figure 6 according to III
- Fig. 8 is a plan view of the application device of Figure 5.
- Fig. 9 is a sectional view of an embodiment of a system for microneedle application according to the invention with the application device from Figure 5.
- Figure 1 shows an embodiment of an application device 10 for microneedles according to the invention.
- Figure 2 shows a longitudinal sectional view along II from Figure 1
- Figure 3 shows a detailed view according to III from Figure 2
- Figure 4 shows a top view of the embodiment of Figure 1.
- the application device 10 has a housing 12 with a handle 26 for handling.
- a reservoir receptacle 16 for receiving a reservoir 108, in particular one containing an active substance (cf. Fig. 9) is embedded in the housing 12 on the upper side shown in Figure 1, and a microneedle receptacle 14 for receiving a microneedle array 102, in particular one free of active substance (cf. Fig. 9) is embedded on the underside.
- microneedle receptacle 14 and the reservoir receptacle 16 are designed as openings in the housing 12, wherein in particular the microneedle receptacle 14 is a negative mold for the microneedle array 102 to be accommodated. and/or the reservoir receptacle 16 forms a negative mold for the reservoir 108 to be accommodated (cf. Fig. 9).
- the reservoir receptacle 16 has an undercut 20, which in particular forms a form-fitting and/or a force-fitting connector.
- the microneedle receptacle 14 has a groove 22, which in particular forms a form-fitting and/or a force-fitting connector.
- the groove 22 has an opening 24 for inserting the microneedle array 102, shown on an end face of the application device 10.
- the reservoir receptacle 16 and/or the microneedle receptacle 14 are also preferably designed to be force-fitting for the fixation of the reservoir 108 or the microneedle array 102, for example by means of a fit.
- the application device 10 thus has at least one form-fitting and/or force-fitting connector such that a reservoir 108 and/or a microneedle array 102 can no longer be removed after insertion and/or is secured against falling out.
- the application device 10 has a contact barrier 17 for spacing a microneedle array 102 received in the microneedle receptacle 14 and a reservoir 108 received in the reservoir receptacle 16 (see Fig. 9).
- the contact barrier 17 is formed by an intermediate element 19, in particular a web-shaped one, which has an opening 18.
- the opening 18 forms an air gap 28 between the microneedle receptacle 14 and the reservoir receptacle 16 or between a microneedle array 102 received in the microneedle receptacle 14 and a reservoir 108 received in the reservoir receptacle 16 for spacing the microneedle array 102 and the reservoir 108.
- Figures 5-8 show a further embodiment of an application device 10 for microneedles according to the invention in different views.
- Figures 5-8 is based on the design of Figures 1-4. Instead of the rectangular reservoir receptacle 16 of the design of Figures 1-4, the design of Figures 5-8 has a round reservoir receptacle 16.
- Figure 9 shows an embodiment of a system 100 for microneedle application according to the invention.
- the system has an application device 10 according to the embodiment of Figures 5-8.
- a reservoir 108 in particular a round one, is fixedly received in the reservoir receptacle 16, wherein the reservoir 108 preferably contains an active substance.
- a microneedle array 102 in particular one free of active substances, is accommodated in the groove 22 of the microneedle holder 14.
- the microneedle array 102 is shown as having a preferably plate-shaped carrier element 104 which is connected, in particular in one piece, to the microneedles 106.
- the air gap 28 of the contact barrier 17 prevents contact between the microneedle array 102 and the reservoir 108 before an application, so that in particular an exchange of water and/or solvent is prevented.
- swelling of the microneedle array 102 before an application is thus prevented.
- the required force can be applied to the reservoir, causing it to deform downwards and be pressed against the microneedle array 102.
- the applied force then ensures in particular the penetration of the stratum corneum and provides sufficient contact between both components. This contact is also advantageous so that the active ingredient can diffuse into the skin via the microneedle array 102.
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- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Dermatology (AREA)
- Medical Informatics (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Media Introduction/Drainage Providing Device (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102023101977.5A DE102023101977A1 (de) | 2023-01-27 | 2023-01-27 | Applikationsvorrichtung für Mikronadeln, System zur Mikronadelapplikation und Verfahren zur Bereitstellung eines Systems zur Mikronadelapplikation |
| PCT/EP2023/087922 WO2024156462A1 (de) | 2023-01-27 | 2023-12-28 | Applikationsvorrichtung für mikronadeln, system zur mikronadelapplikation und verfahren zur bereitstellung eines systems zur mikronadelapplikation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP4655043A1 true EP4655043A1 (de) | 2025-12-03 |
Family
ID=89430382
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP23833498.1A Pending EP4655043A1 (de) | 2023-01-27 | 2023-12-28 | Applikationsvorrichtung für mikronadeln, system zur mikronadelapplikation und verfahren zur bereitstellung eines systems zur mikronadelapplikation |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP4655043A1 (de) |
| JP (1) | JP2026504676A (de) |
| CN (1) | CN120603619A (de) |
| DE (1) | DE102023101977A1 (de) |
| WO (1) | WO2024156462A1 (de) |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2253278T3 (es) * | 1999-12-10 | 2006-06-01 | Alza Corporation | Dispositivo y procedimiento para mejorar la perforacion cutanea con microprotuberancias. |
| KR100792640B1 (ko) * | 2006-07-14 | 2008-01-09 | 호남석유화학 주식회사 | 피부 침투용 미세 돌기 장치 |
| KR101039078B1 (ko) * | 2009-08-04 | 2011-06-07 | (주)마이티시스템 | 이동되는 약물 저장 캡슐이 있는 미세바늘 약물 전달 시스템 |
| DE102013219432A1 (de) | 2013-09-26 | 2015-03-26 | Peter Röhr | Blutentnahmevorrichtung und Verfahren zum Entnehmen von Blut |
| CN111420266B (zh) * | 2014-04-30 | 2022-05-27 | 索伦托治疗有限公司 | 透皮药物递送设备和方法 |
| WO2016162449A1 (de) | 2015-04-07 | 2016-10-13 | Lts Lohmann Therapie-Systeme Ag | Mikronadelsystem zur applikation von flüssigen formulierungen |
| US9827282B2 (en) * | 2015-07-24 | 2017-11-28 | Bao Tran | Medication dispensing system |
| WO2019166572A1 (en) | 2018-02-28 | 2019-09-06 | Pharming Intellectual Property B.V. | Pharmaceutical system for transdermal administration of a c1 -esterase inhibitor |
-
2023
- 2023-01-27 DE DE102023101977.5A patent/DE102023101977A1/de active Pending
- 2023-12-28 CN CN202380092535.3A patent/CN120603619A/zh active Pending
- 2023-12-28 WO PCT/EP2023/087922 patent/WO2024156462A1/de not_active Ceased
- 2023-12-28 EP EP23833498.1A patent/EP4655043A1/de active Pending
- 2023-12-28 JP JP2025542393A patent/JP2026504676A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| DE102023101977A1 (de) | 2024-08-01 |
| CN120603619A (zh) | 2025-09-05 |
| JP2026504676A (ja) | 2026-02-06 |
| WO2024156462A1 (de) | 2024-08-02 |
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