公开(公告)号：US20220031289A1

公开(公告)日：2022-02-03

申请号：US17443848

申请日：2021-07-28

Applicant: CANON MEDICAL SYSTEMS CORPORATION

Inventor： Kentaro KIKUCHI ,  Takatoshi OKUMURA ,  Ryota OSUMI ,  Takeshi SATO

IPC: A61B8/00

Abstract: The ultrasonic probe according to any of embodiments includes a transmitting/receiving circuit, a power supply circuit, and a probe control circuit. The transmitting/receiving circuit is configured to control transmission and reception of ultrasonic waves. The power supply circuit is configured to function as a power source for the transmitting/receiving circuit. The probe control circuit is configured to determine a scan mode, and to control a frequency of switching noise of the power supply circuit according to the scan mode.

公开(公告)号：US20250164588A1

公开(公告)日：2025-05-22

申请号：US18955956

申请日：2024-11-21

Applicant: CANON MEDICAL SYSTEMS CORPORATION

Inventor： Katsutoshi MIZUNO ,  Takehiro SHIBUYA ,  Yoshitomo SAKAKURA ,  Kentaro KIKUCHI

IPC: G01R33/34 ,  H01F6/06

Abstract: A superconducting magnet according to an exemplary embodiment is a superconducting magnet used in a magnetic resonance imaging apparatus, and includes a superconducting coil and a cylindrical radiation shield. The superconducting coil is made of a wound superconducting wire material. The radiation shield includes an outer cylinder and an inner cylinder that cover the superconducting coil. The outer cylinder of the radiation shield is made of a metal, and at least a part of the inner cylinder of the radiation shield is made of an insulator or a high-resistance material.