Absorbable protective coatings for wound with the use of...

Details Absorbable protective coatings for wound with the use of... Absorbable protective coatings for wound with the use of...

2007-11-13

2007-11-13

Lewis, Kim M (Department: 3772)

Surgery: splint, brace, or bandage

Bandage structure

Skin laceration or wound cover

C602S045000

Reexamination Certificate

active

10221405

ABSTRACT:
An absorptive wound covering protecting material and a method for preparing an absorptive wound covering protecting material are characterized by solidifying a sponge raw solution containing no reinforcement that is obtained by mixing viscose and crystalline mirabilite as main raw materials, or a sponge raw solution obtained by mixing viscose containing a reinforcement comprising natural fibers having a length of at least 5 mm to 40 mm, and crystalline mirabilite as main raw materials, by performing a heat treatment on the sponge raw solution, and then forming the solidified cellulose sponge in a thickness somewhat greater than a desired thickness, and then forming the cellulose sponge in a sheet form having a desired thickness by compressing the cellulose sponge, and, if required, carboxymethylating hydroxyl groups in a glucose unit constituting a cellulose sponge so that a degree of substitution of the hydroxyl groups is from 0.5 to less than 1.0, and then, forming an incision the cellulose sponge.

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patent: 94/16746 (1994-08-01), None

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