公开(公告)号：US11554257B2

公开(公告)日：2023-01-17

申请号：US17638402

申请日：2020-08-24

Applicant: FURUKAWA ELECTRIC CO., LTD.

Inventor： Katsuki Suematsu ,  Takeshi Yagi ,  Atsushi Himura ,  Kazutaka Nara

IPC: A61M39/02 ,  H02J50/10 ,  A61M39/04 ,  A61N1/378 ,  A61N1/372 ,  H01F38/14 ,  H02J50/90 ,  A61M5/142

Abstract: A power transmission unit includes a second coil which contactlessly transmits power, a power reception unit includes a first coil that receives the power transmitted from the power transmission unit, and a medical instrument includes the power reception unit and is embedded in a body. The medical instrument includes a notification unit that is composed of a plurality of light emitting units that provides notification that a relative positional relationship between the power transmission unit and the power reception unit has reached a predetermined state by emitting light using the power received at the power reception unit when the predetermined state is reached by the movement of the power transmission unit. A soft unit into which an injection needle is inserted, the plurality of light emitting units being arranged so as to extend along an outer edge of the soft unit.