WO2006016647A1 - マイクロニードル付き経皮薬物投与装置 - Google Patents
マイクロニードル付き経皮薬物投与装置 Download PDFInfo
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- WO2006016647A1 WO2006016647A1 PCT/JP2005/014738 JP2005014738W WO2006016647A1 WO 2006016647 A1 WO2006016647 A1 WO 2006016647A1 JP 2005014738 W JP2005014738 W JP 2005014738W WO 2006016647 A1 WO2006016647 A1 WO 2006016647A1
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- Prior art keywords
- micro
- dollar
- solution
- drug
- skin
- Prior art date
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Classifications
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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
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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
- A61M2037/0023—Drug applicators using microneedles
Definitions
- the present invention relates to a transdermal drug administration device for administering a drug through the skin, and in particular, a transdermal drug administration device with a micro-dollar comprising a plurality of micro-dollars capable of perforating the skin. It is about.
- a method of administering a drug by applying a patch containing a drug on the skin and allowing the patch to penetrate the skin is generally performed.
- iontophoresis Journal of Pharmacoeutical Sciences, 76 ⁇ , 341 pages, 1987
- electoral mouth poration Japanese Patent Laid-Open No. 3-502416, Proc. Natl. Acad. Sci. USA, 90 ⁇ , 10504-10pages (1993)
- Both iontophoresis and electoporation are expected to be used as methods for promoting the absorption of drugs by transdermal or transmucosal.
- JP 2000-512529 A discloses that percutaneous flow is enhanced by mechanically perforating the skin before the release of the transdermal drug.
- a device has been proposed.
- the apparatus includes a sheet having a plurality of openings, a plurality of microblades that are integral therewith and extending downward therefrom, and a means for mooring the apparatus to the body surface.
- the pharmaceutical reservoir is, for example, a viscous gel.
- a transdermal protein and peptide drug having a skin needle is disclosed.
- an administration device In this device, an electrode that leads to the outside, a polymer electrolyte storage tank, a hydrophilic polymer drug support, and a water-swellable polymer skin needle support are laminated, and the upper end of the polymer electrolyte storage tank A solvent inlet is formed at the center.
- the solvent injection port is formed by using an ionizer or the like inside the polymer electrolyte storage tank. For example, it is formed of rubber in the form of a V-groove so that the composition can be charged. When using this device, it is necessary to prepare a separate syringe or the like for charging the solvent composition.
- a transdermal delivery device with a valve described in WO 0 3/084595 A1 (Patent Document 3).
- This apparatus includes, for example, a reservoir that can hold distilled water, a valve that opens and closes the reservoir, a cavity that can hold a dry drug, and a plurality of minute skin penetration members that can penetrate the skin.
- This device is placed on the skin of a patient at the time of use, pressed down so that the micro skin-penetrating member can penetrate the skin, and the distilled water is supplied by opening the valve and pressing the reservoir. Supplying a dry drug, thereby delivering the drug to the patient.
- Patent Document 4 Japanese Patent Publication No. 5-84180 (Patent Document 4) does not have a skin needle as described above which shows a new plaster structure for iontophoresis.
- a capsule enclosing an electrolyte solution is provided on the top of the plaster structure, and the capsule and the water-containing layer are destroyed when a thin film such as an aluminum foil placed on the plate is destroyed. It has a structure in which the electrolytic solution is impregnated.
- the drug-containing layer and the water-containing layer should be adjusted to a dry state, and it should be used as a plaster structure having a capsule enclosing an electrolyte solution. Yes.
- Patent Document 1 Special Table 2000-512529
- Patent Document 2 Japanese Patent Publication No. 6-14980
- Patent Document 3 WO 03/084595 A1
- Patent Document 4 Japanese Patent Publication No. 5-84180
- the object of the present invention is to provide a skin with a simple operation during transdermal administration of a physiologically active substance (drug). It is an object to provide a transdermal drug administration device with a micro-one dollar capable of perforating (a stratum corneum).
- the object is to provide a micro-dollar device comprising a micro-dollar substrate having a plurality of micro-dollars capable of piercing the skin and at least one solution passage, and the micro-dollar device.
- a pad portion disposed on the pad portion and a solution reservoir containing a solution for dissolving a drug disposed on the pad portion, and a dry drug is disposed on the pad portion or the micro-dollar device, and the dissolution is performed.
- the dissolution liquid reservoir is opened and the dissolution liquid is supplied to the pad portion, and the micro-dollar perforates the stratum corneum of the skin, thereby dissolving the dissolution liquid with the dissolution liquid.
- a micro-dollar transdermal drug delivery device that allows the drug to be absorbed transdermally.
- an electrode for supplying electric energy from the outside can be provided on the pad portion.
- a sound wave vibrator for supplying sound wave vibration energy from the outside can be provided on the pad portion.
- the micro-dollar device may include a plate-shaped reinforcing member having at least one solution passage on the micro-dollar substrate.
- the pad portion can be provided with a drug holding material containing the dry drug and an absorbing material that absorbs the solution.
- the transdermal drug administration device with microneedles is a micro-one dollar comprising a plurality of micro-one dollars capable of perforating the skin and a micro-one dollar substrate having at least one solution passage.
- a solution reservoir that can break the diaphragm provided between the absorbent and the absorbent by pressing is provided.
- a transdermal drug administration device with a microneedle includes a micro-dollar device including a micro-dollar substrate having a plurality of micro-dollars and at least one solution passage capable of perforating the skin, and A drug holding material disposed on the micro-dollar device and containing a dry drug; an absorbent material configured on the drug holding material and capable of absorbing a liquid; and disposed on the absorbent material. Dissolution to dissolve drugs A solution reservoir is provided that can store the liquid and can break the diaphragm provided between the absorbent and the absorbent.
- an electrode for supplying electrical energy from the outside can be provided on the absorbent material.
- an apparatus for an electric drug administration system for example, an apparatus for an iontophoresis system (iontophoresis electrode structure).
- a sound wave vibrator for supplying sound wave vibration energy from the outside can be provided on the absorbent material.
- each of the plurality of micro-dollars has a hollow passage capable of transmitting the drug in the longitudinal direction thereof, and the hollow passage of the microneedle and the solution passage of the micro-one dollar substrate are connected to each other.
- a skin fixing part for extending the skin can be provided outside the microphone mouth-one dollar device.
- the transdermal drug administration device with a microneedle includes a micro-one dollar device including a micro-one dollar substrate having a plurality of micro-one dollars capable of perforating the skin, and the micro-one.
- a solution reservoir that contains a solution for dissolving the drug disposed on the dollar device, and the dry drug is disposed on the micro-dollar device, and the solution reservoir is opened by pressing the solution reservoir.
- the microneedles are supplied to the microneedle device and the micro-dollar perforates the stratum corneum of the skin so that the drug dissolved in the solution is percutaneously absorbed. It is a transdermal drug administration device with a tablet.
- the solution can be supplied to the micro-dollar through at least one solution passage formed in the micro-dollar substrate. Further, the solution can be supplied to the micro bi dollar from around the micro needle substrate. Furthermore, an absorbent material made of a material capable of absorbing a liquid can be provided between the microneedle device and the solution reservoir and at least in a portion where the solution reservoir is opened.
- a transdermal drug administration method includes a micro-one dollar device having a plurality of micro-one dollars capable of perforating the skin, and a pad portion disposed on the micro-one dollar device.
- An apparatus comprising: a solution reservoir disposed on the pad portion and containing a solution for dissolving a drug; and a drug disposed on the pad portion or the micro-dollar device. Applying the solution to the skin and pressing the solution reservoir, the solution reservoir is opened and the solution is supplied to the pad portion, and the micro-dollar is perforated in the stratum corneum of the skin, whereby the solution is dissolved. The drug dissolved in a liquid is transdermally administered through the micro-dollar.
- the transdermal drug administration method includes a micro-one dollar device having a plurality of micro-one dollars capable of perforating the skin, and a drug dissolving agent disposed on the micro-one dollar device.
- a device having a solution reservoir containing the solution and a drug disposed in the microneedle device is applied to the skin, and the solution reservoir is opened by pressing the solution reservoir to remove the solution.
- the micro-dollar is perforated in the stratum corneum of the skin, whereby the drug dissolved in the solution is transdermally administered through the micro-dollar.
- the apparatus is first mounted on the skin, and a plurality of microneedles are brought into contact with the keratinous surface of the skin. Then, the solution reservoir is opened by pressing a sealed solution reservoir (container) containing the solution. As a result, the solution flows into the micro-dollar device through the pad portion or the absorbent material or directly when the physiologically active substance (drug) is dissolved in the solution and the solution reservoir is pressed. The micro-dollar perforates the stratum corneum, and the drug dissolved in the solution is absorbed through the perforated hole. Thereafter, energy is added as needed to promote percutaneous absorption of the drug.
- a sealed solution reservoir container
- a transdermal drug administration device with a micro-dollar capable of perforating the skin (stratum corneum) with a simple operation at the time of transdermal administration of a physiologically active substance (drug). it can.
- a physiologically active substance drug
- FIG. 1 is a conceptual diagram showing an example of a transdermal drug administration device with a micro-one dollar according to the present invention.
- FIG. 2 is a view showing an embodiment of a transdermal drug administration device with a micro-one dollar according to the present invention, (a) is a plan view, (b) is a cross-sectional view taken along line XX in (a), (c ) And (d) are diagrams when this device is applied.
- FIG. 3 is a view showing another embodiment of a transdermal drug administration device with a micro-one dollar according to the present invention, in which (a) is a plan view, (b) is a sectional view taken along line XX in (a), c) and (d) are diagrams when this device is applied.
- FIG. 4 is a diagram showing another embodiment of a transdermal drug administration device with a micro-one dollar according to the present invention.
- FIG. 5 is a view showing another embodiment of a transdermal drug administration device with a micro-one dollar according to the present invention.
- FIG. 6 is a diagram showing a configuration example of a micro needle device used in a transdermal drug administration device with a micro-dollar according to the present invention, (a) is an overall view, and (b) is surrounded by a dotted line in (a). (C) is a partially enlarged view showing a modification of the micro-one dollar device.
- FIG. 7 is a view showing another embodiment of a transdermal drug administration device with a micro-one dollar according to the present invention.
- FIG. 8 is a view showing another embodiment of a transdermal drug administration device with a micro-one dollar according to the present invention.
- FIG. 9 is a view showing another embodiment of a transdermal drug administration device with a micro-one dollar according to the present invention.
- FIG. 10 is a view showing another embodiment of a transdermal drug administration device with a micro-one dollar according to the present invention.
- FIG. 11 is a view showing another embodiment of a transdermal drug administration device with a micro-one dollar according to the present invention.
- FIG. 1 is a conceptual diagram showing an example of a transdermal drug administration device with a micro-one dollar according to the present invention.
- the apparatus includes a microneedle device 50 having a micro-dollar substrate 53 having a plurality of micro-dollars 51 and at least one solution passage 52 capable of piercing the skin, and a micro-dollar A pad part 41 placed on the device 50 and containing a dry drug and a solution 16 for dissolving the drug placed on the pad part 41 are stored and pressed.
- a solution reservoir 18 that can be opened more.
- the knot portion 41 can include an absorbent material 11 and a drug 10 made of a material that can absorb a liquid. Placement of drug 10 is not limited to this.
- a wall material 13 having an adhesive layer 12 on the lower surface is disposed around the absorbent material 11, a support body 15 having an opening 14 is disposed on the absorbent material 11 and the wall material 13, and a diaphragm 20 is disposed on the support body 15. Is placed.
- the diaphragm 20 may be formed separately from the solution reservoir 18 or may be formed integrally.
- the solution reservoir 18 has a protrusion 17 to facilitate the breakage of the diaphragm 20.
- the apparatus is attached to the skin and the microneedle 51 is brought into contact with the keratinous surface of the skin. Then, the diaphragm 20 is broken by the protrusion 17 by pressing the solution reservoir 18. As a result, the solution reservoir 18 is opened, and the micro-dollar 51 perforates the stratum corneum of the skin by the above pressing, and the drug dissolved in the solution 16 is percutaneously absorbed.
- an electrode and a lead portion thereof are provided on the pad portion 41 of the apparatus, whereby the apparatus is used as an apparatus for an electric drug administration system, for example, an apparatus for an iontophoresis system (iontophoresis electrode structure). Can be used.
- This electrode is not required when this device is used as a normal patch.
- the knot portion 41 can separately include an absorbent material made of a material capable of absorbing a liquid and a drug holding material containing a drug.
- the drug can be placed in the micro-one dollar device 50 that is not in the pad portion 41. In this case, the drug can be placed outside the micro-dollar 51 or in the hollow passage, or on the micro-dollar substrate 53 or in its solution passage 52.
- FIG. 2 is a view showing an embodiment of a transdermal drug administration device with a micro-one dollar according to the present invention, in which (a) is a plan view, (b) is a cross-sectional view taken along line XX of (a), (C) and (d) are diagrams when this device is applied.
- the apparatus of the present embodiment can be used as, for example, a normal patch, and as shown in FIGS. 2 (a) and 2 (b), a plurality of micro-dollars 51 and a plurality of solution paths capable of perforating the skin.
- a dissolution liquid reservoir 18 having a protrusion 17 for holding the dissolution liquid 16 for dissolving the drug between the diaphragm 20 and breaking the diaphragm 20 by pressing is provided.
- the protrusion 17 has, for example, a linear tip as shown in the figure, and is disposed in contact with or close to the diaphragm 20.
- a liner 19 is removably attached to the underside of the micro-dollar device 50 and the adhesive layer 12.
- the solution reservoir 18 and the diaphragm 20 may be formed separately or integrally.
- the shape of the opening 14 of the support is not particularly limited, but is preferably a circular shape, for example, as long as the solution can be uniformly supplied to the absorbent material 11.
- the size of the opening 14 is a force depending on the size of the absorbent 11, for example, a diameter of 2 mm to 10 mm, preferably 4 mn! ⁇ 8mm.
- the support 15 can be omitted, and the function of the diaphragm 20 can be shared. In this case, an opening is not provided in advance, and the opening is formed by the protrusion during use.
- the diaphragm 20 can also be formed as part of the solution reservoir 18.
- the micro-one-dollar substrate 53 is configured to have a strength that does not break when the dissolution liquid reservoir 18 is pressed.
- the thickness of the micro-one-dollar substrate 53 is about 0.1 to 3 mm, more preferably 0.5 to 2 mm when the material is silicon or a metal material.
- the substrate is about 0.1 to 3 mm, more preferably 0.5 to 2 mm.
- the force for pushing and breaking the solution reservoir is, for example, in the range of 300 g to 3 kgZpatch, preferably in the range of 500 to 2 kgZpatch, more preferably in the range of 700 to 1.5 kgZpatch.
- This value is based on the assumption that the area of the needle formulation (micro-one dollar substrate) is about 1 to 4 cm 2 and the solution reservoir is pressed for 5 seconds.
- the diaphragm provided between the solution reservoir and the absorbent material is broken by the press of the solution reservoir, and the micro-dollar perforates the skin (stratum corneum), thereby dissolving the membrane. Drugs dissolved in the liquid are efficiently transferred to the skin via the micro-dollar device.
- FIG. 3 is a view showing another embodiment of a transdermal drug administration device with a micro-one dollar according to the present invention, where (a) is a plan view and (b) is a cross-sectional view taken along line XX of (a). , (C) and (d) are figures when this device is applied. 3, the same reference numerals as those in FIG. 2 denote the same elements as those in FIG. This embodiment is different from the embodiment of FIG. 2 in that an electrode 25 for supplying electric energy also by an external force is provided on the absorbent material 11. A lead portion 26 is connected to the electrode 25.
- the apparatus of the present embodiment can be used as an apparatus for an electric drug administration system, for example, an apparatus for an iontophoresis system (iontophoresis electrode structure). Others are the same as the embodiment of FIG.
- the electrode 25 and the lead part 26 are produced, for example, by printing on the lower surface of the support 15.
- the electrode 25 is connected to one output terminal (for example, + electrode) of a power supply device (not shown) through a lead portion 26.
- the other output terminal (eg, pole) of the power supply device is connected to a counter device (not shown).
- the counter device can have the same configuration as the transdermal drug administration device, but the drug need not necessarily be included.
- a voltage or current for iontophoresis is applied from the power supply device between the transdermal drug administration device and the counter device.
- the liner 19 is removed, and the device (iontophoresis electrode structure) is attached to the skin 54. Then, as shown in FIG. 3 (c), first, the upper surface of the solution reservoir 18 is Press in the direction and break the diaphragm 20 with the protrusion 17. At this time, the diaphragm 20 is largely broken along the linear tip of the protrusion 17, and the solution in the solution reservoir 18 flows to the absorbent 11 through the opening 14 of the support 15. With this solution, the absorbent 11 is moistened and the drug 10 is evenly activated. By pressing the solution reservoir 18, the entire device is simultaneously pushed to the skin side, and the micro-dollar 51 perforates the skin (stratum corneum).
- a power supply device (not shown) is turned on to operate the iontophoresis system.
- the activated drug permeates the skin through the solution path 52 of the micro-dollar substrate 53 and the micro-dollar 51.
- the solution reservoir 18 is emptied and restored to its original shape as shown in FIG. 3 (d).
- the diaphragm provided between the solution reservoir and the absorbent material is broken by the pressure of the solution reservoir, and the microneedles perforate the skin (stratum corneum). Dissolved drug is efficiently transmitted to the skin through the micro-dollar device.
- FIG. 4 is a diagram showing another embodiment of a transdermal drug administration device with a micro-one dollar according to the present invention.
- the apparatus of this example is obtained by dividing the absorbent material 11 containing a drug in FIG. 2 into two parts, an absorbent material 31 not containing a drug and a drug holding material 32 containing a drug, and the others are shown in FIG. Is the same as The reason why the absorbent material 31 and the drug holding material 32 are separated is that the drug is brought into contact with the living body at a high concentration to maximize the absorption of the drug.
- FIG. 5 is a view showing another embodiment of a transdermal drug administration device with a micro-one dollar according to the present invention.
- the same reference numerals as those in FIGS. 3 to 4 denote the same elements as those in FIGS.
- This embodiment is different from the embodiment of FIG. 4 in that an electrode 25 for supplying external force electric energy is provided on the absorbent 11.
- a lead portion 26 is connected to the electrode 25.
- the apparatus of the present embodiment can be used as an electrical drug administration system, for example, an iontophoresis system apparatus (iontophoresis electrode structure). Others are the same as the embodiment of FIGS.
- FIG. 6 is a diagram showing a configuration example of a micro-dollar device used in a transdermal drug administration device with a micro-dollar according to the present invention, where (a) is an overall view, and (b) is (a) (C) is a partially enlarged view showing a modification of the micro-one dollar device.
- the micro-one dollar device 50 is composed of multiple microphones that can pierce the skin.
- a micro-dollar substrate 53 having a mouth-dollar 51 and a plurality of solution passages 52 is provided.
- the dissolved drug 10 flows to the skin along the mouth-one dollar 51 through the solution passage 52 together with the solution, as shown in FIG.
- a hollow passage 57 capable of transferring a drug is formed in the longitudinal direction of the micro dollar 56, and the solution passage 52 of the micro dollar base plate and the micro dollar dollar hollow are formed.
- the passage 57 may be connected.
- FIG. 7 is a diagram showing another embodiment of a transdermal drug administration device with a micro-one dollar according to the present invention.
- the apparatus of this embodiment is provided with a skin fixing portion 58 for extending the skin of the micro-one dollar puncture portion outside the micro-one dollar device 50 of FIG.
- a plate-like reinforcing member 59 having a solution passage is provided, but the others are the same as those in FIG. It is preferable that the height of the skin fixing portion 58 is larger than the thickness of the micro two-dollar device 50.
- the skin fixing portion 58 is not limited to the force that can be provided on the adhesive layer 12 outside the microphone-one-dollar device 50.
- the shape can be a ring shape, for example, a force that can be an O-ring.
- the plate-like reinforcing material 59 of the micro-one dollar device 50 is disposed on the micro-one dollar substrate 53, for example. This is provided to reinforce the micro-dollar substrate 53 since it should not break.
- the skin is stretched by the skin fixing part 58, so that the micro needle 51 can easily perforate the skin, and the micro-dollar device 50 can be strengthened by the plate-like reinforcing material 59.
- the skin fixing part 58 and the plate reinforcing member 59 are provided in the apparatus of FIG. 1 is shown, but only one of them may be provided.
- the skin fixing part 58 and the plate-like reinforcing material 59 can be provided in the apparatus shown in FIGS.
- FIG. 8 is a view showing another embodiment of a transdermal drug administration device with a micro-one dollar according to the present invention.
- the apparatus of the present embodiment includes a sonic transducer 60 for supplying sonic vibration energy from the outside, and a lead 61 for connecting an external power source connected to the sonic transducer 60 on the pad portion 41 of FIG. It is equipped with.
- the sonic transducer 60 has, for example, a donut shape and is disposed so as to surround the opening 14 of the support 15.
- the sonic vibrator 60 is made of a material such as ceramics, and has a vibration frequency of 1 ⁇ to 5 ⁇ and an intensity of ⁇ 3 OmW / c. a m 2.
- the acoustic transducer 60 is effective for prompting the diffusion of the drug 10.
- FIG. 9 is a diagram showing another embodiment of the transdermal drug administration device with a micro-one dollar according to the present invention.
- the apparatus of the present embodiment includes a micro-dollar device 50 having a micro-dollar substrate 53 having a plurality of micro-dollar 51 capable of perforating the skin, and a drug dissolving device disposed on the micro needle device 50. And a solution reservoir 18 containing a solution 16 for use.
- at least one solution passage 52 is formed in the micro-one dollar substrate 53.
- the micro-one dollar device 50 is placed with dry drug. Specifically, the dry drug is disposed on at least one of the upper surface, the lower surface, and the solution passageway 52 of the micro-one dollar substrate 53, for example.
- the dry drug When the dry drug is disposed on the bottom surface of the micro-dollar substrate 53, it may be disposed on the micro-dollar 51.
- the liner 19 is removed, the device is applied to the skin, and the protrusions 17 of the solution reservoir 18 are pressed, whereby the diaphragm 20 is broken and the solution reservoir 18 is opened and formed on the support 15.
- the lysate 16 is fed to the micro-dollar device 50 through the open aperture 14.
- the solution 16 is supplied to the micro-one dollar 51 through the solution passage 52 formed in the micro needle substrate 53.
- micro-dollar 51 perforates the stratum corneum of the skin, and the drug dissolved in the solution is transdermally absorbed.
- the illustration of the adhesive layer for holding the liner 19 on the support 15 and the drug placed on the micro-dollar device 50 before use is omitted for simplicity.
- FIG. 10 is a view showing another embodiment of the transdermal drug administration device with a micro-one dollar according to the present invention.
- the apparatus of this embodiment is the same as the embodiment of FIG. 9 except for the force different from the embodiment of FIG. 9 in that no solution passage is formed in the micro-one dollar substrate 53. That is, in this embodiment, in use, the liner 19 is removed, the device is applied to the skin, and the protrusion 17 of the dissolution liquid reservoir 18 is pressed, whereby the diaphragm 20 is broken and the dissolution liquid reservoir 18 is opened. Thus, the solution 16 is supplied to the micro-dollar device 50 through the opening 14 formed in the support 15.
- the lysis solution 16 spreads on the micro-one dollar substrate 53 facing the opening 14 and is supplied to the micro-one dollar 51 from around the micro-one dollar substrate 53.
- micro-dollar 51 perforates the stratum corneum of the skin, so that the drug dissolved in the solution is absorbed through the skin.
- the micro-one dollar substrate 53 of this example is shown in the figure. Since the solution passage 52 as in the ninth embodiment is formed, there is an advantage that the structure is simple and the production is easy.
- a groove for passing the solution is formed on at least one of the upper surface and the lower surface of the micro-dollar substrate 53. It may be formed. Further, a predetermined interval may be formed between the dissolution liquid reservoir 18 and the mic mouth / one-dollar substrate 53 so that the dissolution liquid 16 does not adhere to each other easily.
- FIG. 11 is a diagram showing another embodiment of a transdermal drug administration device with a micro-one dollar according to the present invention.
- an absorbent 11 made of a material capable of absorbing liquid is provided at least at a portion between the micro-single device 50 and the solution reservoir 18 where the solution reservoir 18 is opened.
- the liner 19 is removed, the device is applied to the skin, and the protrusion 17 of the dissolution liquid reservoir 18 is pressed, whereby the diaphragm 20 is destroyed and the dissolution liquid reservoir 18 is opened and dissolved.
- the liquid 16 is supplied to the micro-dollar device 50 through the opening 14 formed in the support 15 and the absorbent 11 provided in the corresponding part.
- the solution 16 is supplied to the micro-dollar 51 via the solution passage 52 formed in the micro-dollar substrate 53.
- micro-dollar 51 perforates the stratum corneum of the skin, and the drug dissolved in the solution is transdermally absorbed.
- the force using the micro-one dollar substrate 53 in which the solution passage 52 is formed is not limited to this.
- a micro-one-dollar substrate 53 in which no solution passage is formed can also be used.
- the solution 16 is supplied to the micro-dollar 51 from around the micro-dollar substrate 53 as described above.
- the embodiment shown in FIGS. 9 to 11 can include an electrode for supplying electric energy from the outside on the micro-dollar device or the absorbent material. .
- an apparatus for an electric drug administration system for example, an apparatus for an iontophoresis system (iontophoresis electrode structure).
- a sound wave vibrator for supplying external force sound wave vibration energy can be provided on the micro needle device or the absorbent material.
- multiple micro-one dollar a hollow passage capable of transmitting a drug is provided in the longitudinal direction, and the hollow passage of the microneedle and the solution passage of the micro-one dollar substrate can be connected.
- a skin anchor for extending the skin can be provided on the outside of the micro-dollar device.
- transdermal drug administration device with a micro-one dollar according to the present invention, the following can be used for each part.
- various drugs can be selected depending on the purpose of treatment. For example, if it is a compound having pharmacological activity, the type of drug and the type of salt, the adaptation of each drug, etc.
- antibiotics for example, antibiotics, antifungal agents, antitumor agents, cardiotonic agents, antiarrhythmic agents, vasodilators, antihypertensive agents, diuretics, antihypertensive diuretics, cardiovascular agents, antiplatelet agents, hemostatic agents, antitumor agents Hyperlipidemia, antipyretic, analgesic, anti-inflammatory, antirheumatic, relaxant, antitussive, anti-ulcer, sedative, antiepileptic, antidepressant, antiallergic, antidiabetic, antituberculosis Agents, hormonal agents, narcotic antagonists, bone resorption inhibitors, angiogenesis inhibitors, local anesthetics, etc. are used.
- various drugs can be selected as described above depending on the therapeutic purpose.
- this device can be used safely for drugs such as insulin that have a narrow range of effective blood concentrations and side effect concentrations.
- drugs such as insulin that have a narrow range of effective blood concentrations and side effect concentrations.
- it is important to suppress the electrical error factor as much as possible in order to obtain high drug safety, effectiveness.
- a drug dissolution rate regulator In addition to the drug, a drug dissolution rate regulator, an additive for stabilizing, an adsorption inhibitor and the like can be added.
- the pH adjuster and absorption promoter are appropriately kept in a dry state.
- the absorbent material a material that can absorb liquid satisfactorily is selected.
- polyester polyethylene terephthalate
- polysaccharide or cellulose derivative rayon, cotton
- polyamide polyamide
- non-woven fabric woven fabric, gauze.
- porous materials such as sponges or hydrophilic polymers (agar, agarose, alginic acid, xanthan gum, guar gum, dextran, dextrin, pullulan, chitosan, gelatin, carboxybule polymer, polyatari Powers such as oxalate, carboxymethylcellulose salt, polyoxyalkylene, polybulal alcohol, polybulurpyrrolidone, polyacrylamide), ion exchange resin (amberlite, diaion, cholestyramine), etc. It is a nonwoven fabric.
- a hydrophilic material for example, a hydrophilic material, or a rigid material such as a ceramic, metal, or polymer material in which a drug-permeable channel is formed can be used.
- a porous membrane or an ion exchange membrane containing a drug can be used.
- the porous membrane include PE, PP, cellulose, cellulose acetate, PET, and nylon.
- the ion exchange membrane include a cation exchange membrane, an anion exchange membrane, and a composite charged membrane, and a nylon cation exchange membrane is preferable.
- a water-impermeable material is selected, and examples thereof include foamed polyolefin (PE, PP, etc.), foamed polyurethane, foamed polystyrene, foamed rubber (polybutylene, etc.), foamed EVA, foamed PVC, and the like. Force Preferably, for example, foamed polyolefin.
- the adhesive layer examples include natural rubber, styrene / isoprene / styrene block copolymer, styrene / butadiene rubber, styrene / isoprene rubber, polyisobutylene, polyisoprene, polyacrylate, and silicone rubber. Polyatrate.
- a water-impermeable material is selected, and examples thereof include polyolefin, polyurethane, polystyrene, rubber, EVA, PVC, and PET.
- a sheet material made of PET, PVC, PVDC, PP, PE, polystyrene, cyclic polyolefin (COC), Al, and a laminate thereof is molded into a dome shape, and the inside thereof is formed. Molded sheet with convex protrusions, or a sheet with high noriality (PCTFEZPP, PCTFEZPVC, cyclic polyolefin ZPP), A1 vapor deposition or SiO
- Examples include vapor deposition sheets.
- the convex protrusion In the solution reservoir, when the convex protrusion is pressed, at least one portion of the diaphragm or the laminate of the diaphragm and the support is destroyed. In the convex protrusion, the portion to be broken becomes a point in the conical shape, and the penetration of the solution into the absorbent becomes worse. It is preferable that the convex breakthrough portion (tip portion of the protrusion) is linear or planar.
- the material is PCTFE (—CF2—CFC1—) poly (black mouth—trifluoroethylene), COC cyclic poly An olefin copolymer may be used.
- the thickness of the sheet is, for example, 100 to 500 m.
- PP, PP / COC / PP, or PCTFEZPP system is preferably used as the dissolution liquid reservoir.
- Examples of the diaphragm (film to be broken at the protrusion) include Al, PP, PE, and a laminate thereof.
- the A1 foil is preferably provided with a coating or the like for preventing corrosion as necessary.
- the thickness of the diaphragm is, for example, 5-100 ⁇ m for A1, and 15-50 ⁇ m for PP and PE.
- Examples of the solution include water, alcohols, polyhydric alcohols, interfaces, activators, sugars, pH regulators (organic and inorganic acids, bases), salts, water-soluble polymers, and solubilizers. Absorption promoters, oils and fats, preservatives, and the like. Preferred examples include purified water, glycerin, methyl paraben, (propyl paraben, propylene glycol) and the like.
- the liner for example, PET, PEN, PP, PE, paper, Al, and a force capable of laminating these layers, preferably PET. Further, it is preferable to perform a releasable surface treatment such as silicon treatment. Furthermore, it is preferable to process the liner into a concave shape so as not to contact the micro-dollar.
- a solution permeable membrane can be provided on the lower surface of the absorbent containing the drug.
- the solution permeable membrane is effective for holding the absorbent, and also serves as a holding means when it contains a powdery substance.
- a porous membrane or an ion exchange membrane can be used as the solution permeable membrane.
- the porous membrane include PE, PP, cellulose, cellulose acetate, PET, and nylon.
- the ion exchange membrane include a cation exchange membrane, an anion exchange membrane, and a composite charged membrane, and a nylon cation exchange membrane is preferable.
- the absorbent material is a non-woven fabric, there is no need for a solution permeable membrane.
- the present invention relates to a transdermal drug administration device for administering a drug through the skin, and in particular, a transdermal drug administration device with a micro-dollar comprising a plurality of micro-dollars capable of perforating the skin. And has industrial applicability.
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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)
- Electrotherapy Devices (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP05770820A EP1790375A4 (en) | 2004-08-12 | 2005-08-11 | TRANSDERMAL MEDICINE ADMINISTRATION WITH MICRONADEL |
US11/659,894 US20070250018A1 (en) | 2004-08-12 | 2005-08-11 | Transdermal Drug Administration System with Microneedles |
JP2006531725A JPWO2006016647A1 (ja) | 2004-08-12 | 2005-08-11 | マイクロニードル付き経皮薬物投与装置 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004235629 | 2004-08-12 | ||
JP2004-235629 | 2004-08-12 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2006016647A1 true WO2006016647A1 (ja) | 2006-02-16 |
Family
ID=35839407
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2005/014738 WO2006016647A1 (ja) | 2004-08-12 | 2005-08-11 | マイクロニードル付き経皮薬物投与装置 |
Country Status (4)
Country | Link |
---|---|
US (1) | US20070250018A1 (ja) |
EP (1) | EP1790375A4 (ja) |
JP (1) | JPWO2006016647A1 (ja) |
WO (1) | WO2006016647A1 (ja) |
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JP2008000463A (ja) * | 2006-06-23 | 2008-01-10 | Transcutaneous Technologies Inc | イオントフォレーシス装置 |
JP2010502268A (ja) * | 2006-08-29 | 2010-01-28 | ナノメド ディヴァイシーズ, インコーポレイテッド | 活性物質の経皮送達及びサンプリングのための高アスペクト比マイクロデバイス及びその方法 |
WO2008035558A1 (fr) * | 2006-09-19 | 2008-03-27 | Hisamitsu Pharmaceutical Co., Inc. | Dispositif pour préparation à absorption percutanée |
JP2008073062A (ja) * | 2006-09-19 | 2008-04-03 | Hisamitsu Pharmaceut Co Inc | 経皮吸収製剤用装置 |
US7883504B2 (en) | 2006-09-19 | 2011-02-08 | Hisamitsu Pharmaceutical Co., Inc. | Device for percutaneous absorption preparation |
EP2099436B1 (en) * | 2006-12-22 | 2017-01-25 | Bai Xu | Microdevice and method for transdermal delivery and sampling of active substances |
JP2019500194A (ja) * | 2015-12-17 | 2019-01-10 | エイチジー メディカル テクノロジーズ エルエルシー | 動電学的な経皮及び経粘膜送達の促進装置 |
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JP2021007508A (ja) * | 2019-06-28 | 2021-01-28 | 凸版印刷株式会社 | マイクロニードルデバイス |
JP7383913B2 (ja) | 2019-06-28 | 2023-11-21 | Toppanホールディングス株式会社 | マイクロニードルデバイス |
WO2021015285A1 (ja) * | 2019-07-25 | 2021-01-28 | シンクランド株式会社 | 針付カプセル及び針付カプセルの製造方法 |
JPWO2021015285A1 (ja) * | 2019-07-25 | 2021-11-18 | シンクランド株式会社 | 針付カプセル及び針付カプセルの製造方法 |
KR20210147961A (ko) * | 2020-05-28 | 2021-12-07 | 울산과학기술원 | 다공성 니들 구조를 이용한 방오 부재 및 그의 제조방법 |
KR102571933B1 (ko) * | 2020-05-28 | 2023-08-30 | 울산과학기술원 | 다공성 니들 구조를 이용한 방오 부재 및 그의 제조방법 |
WO2022071339A1 (ja) * | 2020-09-30 | 2022-04-07 | 株式会社資生堂 | 液体当接パッチ及び液体当接パッチの使用方法 |
Also Published As
Publication number | Publication date |
---|---|
EP1790375A4 (en) | 2009-06-17 |
US20070250018A1 (en) | 2007-10-25 |
EP1790375A1 (en) | 2007-05-30 |
JPWO2006016647A1 (ja) | 2008-05-01 |
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