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US 11,793,906 B2Granted
Base film for dressing and manufacturing method therefor, and dressing comprising the base film
AssigneeBoe Technology Group Co., Ltd.
InventorChunyan Ji
Life of this patent
Estimating the term…
Abstract
A base film for dressing and a manufacturing method thereof, and a dressing including the base film are provided. The base film includes a first region, including a composite fiber network of a micron fiber network and a nano fiber network; and a second region, including a micron fiber network. The composite fiber network in the first region and the micron fiber network in the second region are made of polymer materials.
Claims19
A base film for dressing, comprising:
- a first region, comprising a composite fiber network of a micron fiber network and a nano fiber network;
- and
- a second region, comprising a micron fiber network,
- wherein the composite fiber network in the first region and the micron fiber network in the second region are made of polymer materials,
- the first region and the second region are different regions arranged in a lateral direction of the base film, and the first region is located in the middle of the base film and surrounded by the second region, and
- a pore size of a pore in the composite fiber network of the first region is different from that in the micron fiber network of the second region.
3 more elements
A manufacturing method of a base film for dressing, comprising:
- forming a micron fiber network layer;
- and
- forming a composite fiber network layer of a micron fiber network and a nano fiber network in a part of the micron fiber network layer, so as to form a first region including the composite fiber network layer and a second region outside the composite fiber network layer,
- wherein the first region and the second region are different regions arranged in a lateral direction of the base film, and the first region is located in the middle of the base film and surrounded by the second region, and
- a pore size of a pore in the composite fiber network of the first region is different from that in the micron fiber network of the second region.
2 more elements
Dependencies are inferred from the claim text.