US 12,342,811 B2
Instrument for use in operating cell
Masashige Kuwayama, Tokyo (JP); and Rio Kuwayama, Tokyo (JP)
Assigned to ADVANCED INSTITUTE OF REPRODUCTIVE TECHNOLOGIES, Tokyo (JP)
Appl. No. 17/596,667
Filed by ADVANCED INSTITUTE OF REPRODUCTIVE TECHNOLOGIES, Tokyo (JP)
PCT Filed Nov. 27, 2019, PCT No. PCT/JP2019/046348
§ 371(c)(1), (2) Date Dec. 16, 2021,
PCT Pub. No. WO2020/255444, PCT Pub. Date Dec. 24, 2020.
Claims priority of application No. 2019-113807 (JP), filed on Jun. 19, 2019.
Prior Publication US 2022/0304298 A1, Sep. 29, 2022
Int. Cl. A01N 1/146 (2025.01); B01L 3/00 (2006.01); C12M 3/00 (2006.01)
CPC A01N 1/146 (2025.01) [B01L 3/5085 (2013.01); C12M 21/06 (2013.01)] 9 Claims
OG exemplary drawing
 
1. An instrument that includes a main body portion having a first well and that is used when cells are operated,
wherein the first well has a bottom that is formed in a curved shape and a curved inner peripheral wall that is contiguous to the bottom,
wherein a plurality of protruding portions for partitioning the bottom and the inner peripheral wall into a plurality of portions is provided along the bottom and the inner peripheral wall,
wherein recesses are formed in partitioned portions of the bottom by forming raised portions in such a manner that each of the raised portions extends from one of the protruding portions to the bottom, and the cells are settled in the recesses, and
wherein the height of each of the protruding portions gradually increases from the inner peripheral wall to the bottom.