Head fixing device of magnetic resonance examination bed

• Main Authors: WEN XUEQI, SHI YIZHI, ZHOU XIN, WANG ZHEN
• Format: Patent
• Language: Chinese; English
• Published: 07.04.2023
• Subjects: DIAGNOSIS; HUMAN NECESSITIES; HYGIENE; IDENTIFICATION; MEDICAL OR VETERINARY SCIENCE; SURGERY

The invention discloses a head fixing device of a magnetic resonance examination couch, which comprises a head supporting pad and is characterized in that a cavity I is formed in the middle of the lower side of the head supporting pad, a convex plate is fixedly connected to one side of the inner wall of the cavity I, and a central shaft at one end of a worm penetrates through and is movably connected to the middle of one end of the convex plate; the end part of a central shaft at one end of the worm is fixedly connected with the center of a bevel gear I, and the worm is meshed with a worm gear; corresponding round rods are fixedly connected to the centers of the two sides of the worm gear respectively, the two round rods are arranged in corresponding first round through holes respectively, the two first round through holes are formed in the middles of the two sides of the head supporting pad respectively, and the two round rods are movably connected with the corresponding first round through holes respectivel