US 11,890,388 B2
Sterilization method and sterilization device
Daiki Anraku, Osaka (JP); Tomomasa Itarashiki, Osaka (JP); Haijun Zhang, Shandong (CN); Guoqiang Qu, Shandong (CN); and Min Yang, Shandong (CN)
Assigned to SARAYA CO., LTD., Osaka (JP)
Appl. No. 16/603,919
Filed by Saraya Co., Ltd., Osaka (JP)
PCT Filed Apr. 10, 2018, PCT No. PCT/JP2018/014990
§ 371(c)(1), (2) Date Oct. 9, 2019,
PCT Pub. No. WO2018/190317, PCT Pub. Date Oct. 18, 2018.
Claims priority of application No. 201710230693.7 (CN), filed on Apr. 10, 2017.
Prior Publication US 2020/0121817 A1, Apr. 23, 2020
Int. Cl. A61L 2/20 (2006.01); A61L 2/26 (2006.01)
CPC A61L 2/20 (2013.01) [A61L 2/26 (2013.01); A61L 2202/11 (2013.01); A61L 2202/122 (2013.01); A61L 2202/123 (2013.01); A61L 2202/15 (2013.01); A61L 2202/24 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A sterilization device comprising:
a sterilization chamber;
a vaporization chamber;
a wall partitioning the vaporization chamber into a first room and a second room;
a first passage connecting the first room and the second room;
a table disposed in the first room, the table having an inclined upper surface;
a nozzle disposed above the table and directed toward the table and configured to spray a sterilant from above toward the table such that liquid components contained in the sterilant collide with the upper surface and then flow along the inclined upper surface;
a liquid reservoir formed in the first room beside the table and configured to collect the liquid components that flowed down from the table, the liquid reservoir being configured to prevent the collected liquid components from flowing into the second room by gravity;
a second passage connecting the second room and the sterilization chamber; and
a vacuum device configured to depressurize the sterilization chamber and the first room and the second room of the vaporization chamber through the first passage and the second passage, wherein
the first passage is made up of a gap having a thickness and a width, and a length, wherein a thickness of the gap is smaller than a width of the gap, and a length of the gap is longer than the thickness of the gap.