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    • 3. 发明申请
    • ABSORBENT MEDICAL ARTICLES
    • 吸收医学文章
    • WO2004060413A1
    • 2004-07-22
    • PCT/US2003/037388
    • 2003-11-21
    • 3M INNOVATIVE PROPERTIES COMPANY
    • BURTON, Scott A.,STICKELS, Steven C.,SCHOLZ, Matthew T.,
    • A61L15/00
    • A61L15/58A61F13/0203A61F13/023A61F13/42A61L15/42
    • Medical articles including an absorbent layer, a backing layer and an optional liquid permeable facing layer are disclosed. The construction of the medical article is such that volumetric expansion of the absorbent layer is allowed in directions parallel to the surface of the backing layer as the absorbent layer absorbs moisture. The medical article may include a debonding agent located between the absorbent layer and the backing layer. The absorbent layer is operably attached to the backing layer. When the absorbent layer absorbs moisture, e.g., wound exudate, at least a portion of the absorbent layer detaches from the backing layer such that the absorbent layer can expand and move relative to the backing. The debonding agent facilitates this change from attachment to detachment of the absorbent layer to the backing. The medical articles of the present invention may also be constructed such that a portion of the front surface of the backing layer located directly opposite the absorbent layer is free of adhesive. The adhesive free area or areas may be provided in place of a physical debonding agent or in addition to a physical debonding agent.
    • 公开了包括吸收层,背衬层和任选的可透液面层的医疗制品。 医疗用品的构造使得当吸收层吸收水分时,允许吸收层的体积膨胀在与背衬层的表面平行的方向上。 医疗制品可以包括位于吸收层和背衬层之间的脱粘剂。 吸收层可操作地附接到背衬层。 当吸收层吸收湿气(例如伤口渗出物)时,吸收层的至少一部分与背衬层分离,使得吸收层相对于背衬可以膨胀和移动。 脱粘剂促进了从吸附层的附着到分离到背衬的这种改变。 本发明的医疗用品也可以构造成使得位于与吸收层正好相对的背衬层的前表面的一部分没有粘合剂。 可以提供无粘合剂区域或代替物理脱粘剂或除了物理脱粘剂之外。