Perforated plate microstructure module
View Patent ↗The present invention relates to a perforated plate microstructure module, and more particularly, to a perforated plate microstructure module which can be used to deliver a drug into the skin.
1. A perforated plate microstructure module comprising:
a housing on which an applicator detachably mounted on a first side;
a perforated layer having a plurality of openings and positioned at a second side of the housing;
a shooting microstructure provided on an upper part of the perforated layer in the housing and having a base part and a plurality of microstructure which formed on one surface of the base part corresponding to the openings; and
a pressing member having a plate and a plurality of pillars formed on one surface of the plate;
wherein the pressing member received in the first side of the housing and disposed at a certain height from the perforated layer, and
wherein the pressing member shot to the perforated layer by the pressing force applied from the applicator, while the applicator is mounted on the housing,
wherein the perforated layer has support parts which supporting the plate and formed around the openings, and
wherein the plate has breakable catching parts provided at the positions corresponding to the support parts.
2. The perforated plate microstructure module according to claim 1 ,
wherein the pillars have the same length or have different lengths at the outer and central portions of the plate.
3. The perforated plate microstructure module according to claim 1 , wherein the catching parts are broken by the pressing applied to the plate.
4. The perforated plate microstructure module according to claim 1 , wherein the catching parts have the shape and the size corresponding to a cross section of the support parts.
5. The perforated plate microstructure module according to claim 1 , wherein the plate has through ports corresponding to a cross section of the support parts, and
wherein the catching parts provided in at least a part of the through ports.
6. The perforated plate microstructure module according to claim 1 , wherein the housing has coupling members for coupling the housing to the applicator.
7. The perforated plate microstructure module according to claim 6 , wherein the coupling members are configured by any one of rotation coupling, hook coupling, insertion coupling, catching coupling, magnetic coupling, and Velcro.
8. The perforated plate microstructure module according to claim 1 , wherein the base part of the microstructure contains a biocompatible or biodegradable substance.
9. The perforated plate microstructure module according to claim 8 , wherein the biocompatible or biodegradable substance is polyester, polyhydroxyalkanoate (PHAs), poly(α-hydroxyacid), poly(β-hydroxyacid), poly(3-hydroxybutyrate-co-valerate; PHBV), poly(3-hydroxyproprionate; PHP), poly(3-hydroxyhexanoate; PHH), poly(4-hydroxyacid), poly(4-hydroxybutyrate), poly(4-hydroxyvalerate), poly(4-hydroxyhexanoate), poly(ester amide), polycaprolactone, polylactide, polyglycolide, poly(lactide-co-glycolide; PLGA), polydioxanone, polyorthoester, polyetherester, polyanhydride, poly(glycolic acid-co-trimethylene carbonate), polyphosphoester, polyphosphoester urethane, poly(amino acid), polycyanoacrylate, poly(trimethylene carbonate), poly(imino carbonate), poly(tyrosine carbonate), polycarbonate, poly(tyrosine arylate), polyalkylene oxalate, polyphosphazene, PHA-PEG, ethylene vinyl alcohol copolymer (EVOH), polyurethane, silicone, polyester, polyolefin, polyisobutylene and ethylene-alphaolefin copolymer, styrene-isobutylene-styrene triblock copolymer, acrylic polymer and copolymer, vinyl halide polymer and copolymer, polyvinyl chloride, polyvinyl ether, polyvinyl methyl ether, polyvinylidene halide, polyvinylidene fluoride, polyvinylidene chloride, polyfluoro alkene, polyperfluoroalkene, polyacrylonitrile, polyvinyl ketone, polyvinyl aromatics, polystyrene, polyvinyl ester, polyvinyl acetate, ethylene-methyl methacrylate copolymer, acrylonitrile-styrene copolymer, ABS resin and ethylene-vinyl acetate copolymer, polyamide, alkyd resin, polyoxymethylene, polyimide, polyether, polyacrylate, polymethacrylate, polyacrylic acid-co-maleic acid, chitosan, dextran, cellulose, heparin, hyaluronic acid, alginate, inulin, starch, or glycogen, and particularly, may contain one or more substances selected from polyester, polyhydroxyalkanoate (PHAs), poly(α-hydroxyacid), poly(β-hydroxyacid), poly(3-hydroxybutyrate-co-valerate; PHBV), poly(3-hydroxyproprionate; PHP), poly(3-hydroxyhexanoate; PHH), poly(4-hydroxyacid), poly(4-hydroxybutyrate), poly(4-hydroxyvalerate), poly(4-hydroxyhexanoate), poly(ester amide), polycaprolactone, polylactide, polyglycolide, poly(lactide-co-glycolide; PLGA), polydioxanone, polyorthoester, polyether ester, polyanhydride, poly(glycolic acid-co-trimethylene carbonate), polyphosphoester, polyphosphoester urethane, poly(amino acid), polycyano acrylate, poly(trimethylene carbonate), poly(imino carbonate), poly(tyrosine carbonate), polycarbonate, poly(tyrosine arylate), polyalkylene oxalate, polyphosphazene, PHA-PEG, chitosan, dextran, cellulose, heparin, hyaluronic acid, alginate, inulin, starch, glycogen and triamcinolone.
10. The perforated plate microstructure module according to claim 1 , wherein the base part is 1% to 100% of a height of the perforated plate.
11. The perforated plate microstructure module according to claim 10 ,
wherein the microstructure contains a medicinally active ingredient.
12. The perforated plate microstructure module according to claim 1 , wherein the perforated plate or the base part is made of a hydrophilic material.
13. The perforated plate microstructure module according to claim 1 , wherein the pillars and the base part are spaced apart by less than 1 cm.
14. An applicator for implanting a microstructure into the skin comprising:
a main body housing having a first side on which the perforated plate microstructure module of claim 1 mounted; and
a shooting member provided in the main body housing to press the pressing member,
wherein the perforated plate microstructure module has at least one coupling member for coupling the housing to the applicator.
15. The applicator of claim 14 , wherein the shooting member comprising:
a piston which pressing the pressing member; and
a pushing member shoot the piston toward the pressing member.
16. The applicator of claim 14 , wherein the main body housing has a screw thread formed along an outer circumference at the first side of the main body housing, and wherein the at least coupling member has a screw thread formed along an inner circumference at the first side of the housing.
17. The applicator of claim 14 , wherein the main body housing has groove portions formed on an outer circumferential surface of the main body housing, and
wherein the at least one coupling member has protrusion portions formed at one end of the housing so as to correspond to the groove portion.
18. The applicator of claim 14 , wherein the main body housing has groove portions formed at one end of the main body housing and push button provided to communicate with the groove portion, and
wherein the at least one coupling member has hook members formed at one end of the housing so as to correspond to the groove portion.
19. The applicator of claim 14 , wherein the at least one coupling member has hook members provided at one end of the housing, and
wherein the main body housing has second hook members corresponding to the hook members in the main body housing.