A double-layer bletilla striata dressing
A Bletilla striata, double-layer technology, applied in bandages, drug delivery, absorbent pads, etc., can solve the problems of difficult to achieve wound healing, easy adhesion to gloves, and ineffectiveness, and is conducive to rapid healing and good air permeability. , soft texture effect
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Embodiment 1
[0030] A double-layer bletilla striata dressing. The double-layer bletilla striata dressing is composed of a surface layer 1 and a dressing layer 2. The surface layer 1 is made of a hemostatic material that is insoluble in water, and the dressing layer 2 is made of a porous material of bletilla striata that has good biocompatibility and is easily soluble in water. Composition, the interpenetrating network connection between the surface layer 1 and the dressing layer 2, the establishment of the interpenetrating network is obtained when the dressing layer is formed, that is, the surface layer 1 is tiled on the dressing layer 2 in the solution state, and the surface layer 1 will be partially immersed in the dressing In the layer 2 solution, the surface layer 1 and the dressing layer 2 in this state were frozen and set at -20°C, and then the double-layer bletilla striata dressing was obtained by using freeze-drying technology.
[0031] Surface 1 is fabric.
[0032] The warp and we...
Embodiment 2
[0038] A double-layer bletilla striata dressing, the double-layer bletilla striata dressing is composed of a surface layer 1 and a dressing layer 2, the surface layer 1 is composed of a water-insoluble hemostatic material, and the dressing layer 2 is composed of a porous material of bletilla striata that is good in biocompatibility and easily soluble in water , the interpenetrating network connection between the surface layer 1 and the dressing layer 2, the establishment of the interpenetrating network is obtained when the dressing layer is formed, that is, the surface layer 1 is tiled on the dressing layer 2 in the solution state, and the surface layer 1 will be partially immersed in the dressing layer 2, the surface layer 1 and the dressing layer 2 in this state were frozen and shaped at -50°C, and then the double-layer Bletilla striata dressing was obtained by using freeze-drying technology.
[0039] Surface 1 is fabric.
[0040] The warp and weft density of the fabric is 5...
Embodiment 3
[0046] A double-layer bletilla striata dressing. The double-layer bletilla striata dressing is composed of a surface layer 1 and a dressing layer 2. The surface layer 1 is made of a hemostatic material that is insoluble in water, and the dressing layer 2 is made of a porous material of bletilla striata that has good biocompatibility and is easily soluble in water. Composition, the interpenetrating network connection between the surface layer 1 and the dressing layer 2, the establishment of the interpenetrating network is obtained when the dressing layer is formed, that is, the surface layer 1 is tiled on the dressing layer 2 in the solution state, and the surface layer 1 will be partially immersed in the dressing In the layer 2 solution, the surface layer 1 and the dressing layer 2 in this state were frozen and set at -30°C, and then the double-layer bletilla striata dressing was obtained by using freeze-drying technology.
[0047] The surface layer 1 is a porous material.
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