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Title:
COLLAGEN NONWOVEN FABRIC, METHOD FOR PRODUCING SAME AND APPARATUS
Document Type and Number:
Japanese Patent JP3966045
Kind Code:
B2
Abstract:

PROBLEM TO BE SOLVED: To solve problems that collagen nonwoven fabrics obtained by conven tional methods partially have weak portions, do not have uniform thicknesses, or the like, further to solve a problem that conventional production methods need complicated works and a problem that the production of the collagen nonwoven fabric is able at a laboratory level but industrially difficult, and to provide a method for simply producing the nonwoven fabric in which the collagen is uniformly dispersed.
SOLUTION: This collagen nonwoven fabric is characterized by laminating and adhering the first layer comprising collagen fiber-like articles spun from a dissolved collagen solution as a spinning dope and arranged in parallel to each other to the second layer comprising the same collagen fiber-like articles arranged in parallel to each other so that the arrangement direction of the fiber-like articles of the first layer to that of the fiber-like articles of the second layer forms an angle. A method and an apparatus for producing the same are provided.


Inventors:
Morinaga Yukihiro
Kazuhisa Matsuda
Doi Nobuyoshi
Yoshiteru Nakano
Application Number:
JP2002101705A
Publication Date:
August 29, 2007
Filing Date:
April 03, 2002
Export Citation:
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Assignee:
NIPRO CORPORATION
International Classes:
A61K47/42; B32B5/26; A61L27/00; A61L31/00; C08L101/16; D04H3/00; D04H17/00; (IPC1-7): D04H3/00; A61L27/00; A61L31/00; D04H17/00; //A61K47/42
Domestic Patent References:
JP45016265B1
JP45016262B1