Title:
医療用シート基材及びそれを用いた医療用シート
Document Type and Number:
Japanese Patent JP5073650
Kind Code:
B2
Abstract:
A medical sheet base includes a polyurethane nonwoven fabric and a polyurethane film combined with each other, and is improved in stretchability, air permeability, moisture permeability, water resistance and flexibility over prior-art medical sheet bases as required of the medical sheet base. The polyurethane nonwoven fabric includes continuous filaments each having an average filament diameter of not greater than 50 µm, the filaments being deposited in a substantially unbound state and bonded to each other. The polyurethane film has minute pores present in opposite surfaces thereof and each having a diameter of not greater than 10 µm, and minute pores communicating with each other along the thickness thereof.
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Inventors:
Toyoki Tanaka
Hiroyasu Shimizu
Atsushi Takahira
Makoto Hirota
Hiroyasu Shimizu
Atsushi Takahira
Makoto Hirota
Application Number:
JP2008508635A
Publication Date:
November 14, 2012
Filing Date:
March 29, 2007
Export Citation:
Assignee:
KB Seiren Co., Ltd.
SEIREN CO.,LTD.
SEIREN CO.,LTD.
International Classes:
A61F13/02; A61F13/00; A61L15/58; B32B27/40
Domestic Patent References:
| JP2006207092A | 2006-08-10 | |||
| JP2004202923A | 2004-07-22 |
Attorney, Agent or Firm:
Masahiko Nishito