Title:
【発明の名称】血液製品の製造法
Document Type and Number:
Japanese Patent JP2920327
Kind Code:
B2
Abstract:
A thin film or layer of white blood cells, such as the contaminating white cells in a platelet concentrate, is irradiated with ultraviolet radiation predominately of a wavelength of 280 to 320 nanometers, and preferably at an intensity of 4 to 20 milliwatts per square cm. to provide a total energy exposure of typically 800 to 20,000 millijoules per square cm. of ultraviolet radiation. The white blood cells so produced substantially lose their capability to set off an immune reaction in an alloimmunized patient. The white blood cells may preferably be placed into such film in a flat, flexible bag made of poly(ethylene-vinyl acetate) plastic, with the flat, flexible bag being stretched in a direction normal to the path of ultraviolet radiation. Novel irradiating devices are also disclosed.
Inventors:
MIRIHOORU JEFURII II
BIRUSUTATSUDO AANORUDO
FUORII JON
GURATSUSHU DEIIN
BURATSUTEN UIRIAMU AARU
BIRUSUTATSUDO AANORUDO
FUORII JON
GURATSUSHU DEIIN
BURATSUTEN UIRIAMU AARU
Application Number:
JP50246490A
Publication Date:
July 19, 1999
Filing Date:
January 17, 1990
Export Citation:
Assignee:
BAKUSUTAA INTERN INC
International Classes:
A61J3/00; A61K35/14; A61L2/00; A61L2/10; A61M1/36; (IPC1-7): A61J3/00; A61K35/14
Attorney, Agent or Firm:
Akaoka Mio