Ventricular assist device

• Main Authors: WU TINGTING, TAN RENMU, YAN YIFAN, ZHANG JIALIANG
• Format: Patent
• Language: Chinese; English
• Published: 05.07.2024
• Subjects: DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROMTHE BODY; HUMAN NECESSITIES; HYGIENE; MEDICAL OR VETERINARY SCIENCE

The ventricular auxiliary device comprises a motor, a catheter, a driving shaft rotatably arranged in the catheter in a penetrating mode, a pump head and a protection tip. The pump head includes a pump housing connected to the distal end of the catheter, and an impeller received within the pump housing and connected to the distal end of the drive shaft. The protection tip is arranged at the far end of the pump shell and comprises a near side section connected to the far end of the pump shell, a far side section far away from the pump shell and a middle section connecting the near side section and the far side section. The outer diameter of the near-side section is larger than that of the far-side section, and the outer diameter of the middle section is gradually reduced in the direction from near to far. 公开一种心室辅助装置，包括马达、导管、可转动的穿设在导管中的驱动轴、泵头、保护尖端。泵头包括连接至导管远端的泵壳、收纳在泵壳内并连接至驱动轴远端的叶轮。保护尖端设在泵壳远端，包括连接至泵壳远端的近侧区段、远离泵壳的远侧区段、连接近侧区段和远侧区段的中部区段。近侧区段的外径大于远侧区段的外径，中部区段的外径在由近至远的方向上逐渐减小。