A - Human Necessities – 61 – L
Patent
A - Human Necessities
61
L
21/10
A61L 2/06 (2006.01) A61L 2/07 (2006.01) B01D 65/02 (2006.01)
Patent
CA 1236960
Abstract of the Disclosure A method for sterilizing an artificial organ with high pressure steam in an autoclave which comprises passing a sterilized high temperature liquid maintained at a temperature sufficient for the sterilization through the artificial organ, thereby raising the inner temperature of the artificial organ approximately to a sterilization temperature, heating the artificial organ externally to a sterilizing temperature and maintaining that temperature for a predetermined time to sterilize the artificial organ, and passing a sterilized low temperature liquid through the artificial organ to cool it from the inside thereof, while cooling the artificial organ from the outside thereof. The sterilized low temperature liquid is one sterilized thermally followed by cooling, and in a preferable embodiment, the sterilized high temperature liquid is cooled and then introduced into the artificial organ. The sterilizing method is carried out, for instance, by using a high pressure steam sterilization apparatus provided with a storage tank for supplying the sterilized high temperature liquid to an artificial organ accomodated in a high pressure steam sterilizing environment, and a cooling means for cooling the sterilized high temperature liquid, the cooling means being disposed in a pipeline connecting the artificial organ with the storage tank.
479138
Masuhara Shohei
Kanegafuchi Kagaku Kogyo Kabushiki Kaisha
Osler Hoskin & Harcourt Llp
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