Cutting balloon catheter

• Main Authors: ZHAO YINGHONG, ZHANG SHAN, SHI RUIMIN, LU JIANFENG
• Format: Patent
• Language: Chinese; English
• Published: 11.08.2023
• 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; DIAGNOSIS; HUMAN NECESSITIES; HYGIENE; IDENTIFICATION; MEDICAL OR VETERINARY SCIENCE; SURGERY

The utility model relates to a cutting balloon catheter which comprises a catheter body, a balloon, a spiral guide rail, a cutting piece and an adjusting piece, the catheter body is provided with a first cavity allowing a guide wire to pass through and a second cavity allowing gas or liquid to pass through, the balloon is arranged on the periphery of the far end of the catheter body in a sleeved mode, the interior of the balloon is communicated with the second cavity, and the spiral guide rail is attached and wound outside the balloon. The cutting part is slidably connected to the spiral guide rail, the adjusting part is telescopically connected between the cutting part and the near end of the catheter in the axial direction of the catheter, the balloon and the spiral guide rail both have a radial contraction state and an expansion state, and the spiral guide rail can expand along with expansion of the balloon and contract along with contraction of the balloon. When the balloon and the spiral guide rail are i