Micro-needle transdermal drug delivery biological facial mask
A bio-mask and micro-needle technology, which is applied in the direction of micro-needles, medical devices, needles, etc., can solve the problems of active ingredient retention and low conduction efficiency of active ingredients, achieve rapid absorption, reduce attachment time, and improve conduction and penetration efficiency effect
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Embodiment 1
[0046] refer to figure 1 , the present embodiment provides a microneedle transdermal delivery biological mask 1, comprising:
[0047] Mask substrate 11, and the microneedle array 12 that is located on the mask substrate 11;
[0048] The microneedle array 12 is formed by a plurality of microneedle bodies 121 arranged at preset intervals;
[0049] The microneedle body 121 includes a hollow solid microneedle 1211, a hollow drug delivery pipeline 1212 inside the hollow solid microneedle 1211, and a drug delivery cavity 1213 in the hollow drug delivery pipeline 1212 .
[0050] As mentioned above, the microneedle body 121 in the microneedle array 12 can be made of solid materials such as metal, silicon, ceramics, polymers, etc.; wherein, the metal or alloy includes but is not limited to gold, silver, platinum, chromium, titanium, Any one or combination of copper, aluminum, iron, nickel, tungsten, stainless steel, titanium alloy, aluminum alloy, nickel alloy, copper alloy.
[005...
Embodiment 2
[0060] refer to figure 2 , based on the above-mentioned embodiment 1, the present embodiment provides a kind of microneedle transdermal administration biological mask 1, wherein,
[0061] The hollow drug delivery pipeline 1212 includes a fixed layer 12121 and a fluid layer 12122 arranged sequentially from outside to inside;
[0062] The fixed layer 12121 is connected to the inner side of the hollow solid microneedle 1211;
[0063] The inner side of the fixed layer 12121 is coated with the fluidized layer 12122 .
[0064] The hollow solid microneedle 1211 is a soluble hollow solid microneedle 1211;
[0065] The fluidized layer 12122 is a fluidized layer 12122 containing vegetable oil and / or vaseline.
[0066] As mentioned above, the hollow drug delivery pipeline 1212 includes multiple layers, from the outside to the inside are the fixed layer 12121 and the fluidized layer 12122, wherein the fixed layer 12121 plays the role of increasing the strength of the microneedle, and ...
Embodiment 3
[0078] refer to image 3 , based on the above-mentioned embodiment 1, the present embodiment provides a kind of microneedle transdermal administration biological mask 1, wherein,
[0079] The hollow drug delivery pipeline 1212 includes a fixed layer 12121 and a super-hydrophilic layer 12123 arranged sequentially from outside to inside;
[0080] The fixed layer 12121 is connected to the inner side of the hollow solid microneedle 1211;
[0081] The inner side of the fixing layer 12121 is attached to the outer side of the super-hydrophilic layer 12123 .
[0082] As mentioned above, the hollow drug delivery pipeline 1212 includes multiple layers, from the outside to the inside are the fixed layer 12121 and the super-hydrophilic layer 12123, wherein the fixed layer 12121 plays the role of increasing the strength of the microneedle, and the super-hydrophilic layer 12123 It is used to increase the dissolution of externally applied drugs or functional cosmetics by utilizing its supe...
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