US 12,235,198 B2
Biological specimen separation instrument
Hirotaka Watano, Ashigarakami-gun (JP)
Assigned to FUJIFILM Corporation, Tokyo (JP)
Filed by FUJIFILM Corporation, Tokyo (JP)
Filed on Aug. 31, 2021, as Appl. No. 17/462,989.
Application 17/462,989 is a continuation of application No. PCT/JP2020/012829, filed on Mar. 24, 2020.
Claims priority of application No. 2019-056589 (JP), filed on Mar. 25, 2019.
Prior Publication US 2021/0396634 A1, Dec. 23, 2021
Int. Cl. B01L 3/00 (2006.01); G01N 1/40 (2006.01)
CPC G01N 1/4077 (2013.01) [B01L 3/508 (2013.01); G01N 2001/4088 (2013.01)] 11 Claims
OG exemplary drawing
 
1. A biological specimen separation instrument comprising:
a first container for accommodating a collected biological specimen;
a filter for filtering a predetermined component in the collected biological specimen; and
a second container for accommodating the predetermined component filtered by the filter, the second container being configured to be inserted into the first container,
wherein the filter is provided on a tip side of the second container in a direction of insertion into the first container,
a sealing member is provided in an outer circumference on the tip side of the second container in the direction of insertion to allow movement in the first container, in a state of being liquid-tightly brought into contact with an interior wall of the first container,
the sealing member has a Shore A hardness of 20 or more and 90 or less and has a residual siloxane concentration of 1 wt % or less,
the sealing member has an inflow port which allows entry of the biological specimen into the filter, and
the inflow port has a diameter which decreases toward the filter.