Head end traction advancing type catheter and method thereof

• Main Author: PANG XINGXUE
• Format: Patent
• Language: Chinese; English
• Published: 12.06.2018
• Subjects: BLASTING; 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; ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; HEATING; HUMAN NECESSITIES; HYGIENE; JOINTS OR FITTINGS FOR PIPES; LIGHTING; MEANS FOR THERMAL INSULATION IN GENERAL; MECHANICAL ENGINEERING; MEDICAL OR VETERINARY SCIENCE; PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; THERMAL INSULATION IN GENERAL; WEAPONS

The invention relates to the technical field of medical apparatus and instruments, in particular to a head end traction advancing type catheter and a method thereof. The head end traction advancing type catheter comprises a catheter wall and a central cavity, wherein a plurality of side holes are uniformly formed in the catheter wall along the peripheral direction and are close to the head end ofthe catheter; each side hole extends to the central cavity from the outer surface of the catheter wall; a skirt film capable of cover the various side holes is arranged at the head end of the catheter; the upper edge of the skirt film is fixed above the various side holes along the peripheral direction; the lower edge of the skirt film is dissociative; a top end ball bag capable of sealing the central cavity of the head end of the catheter is arranged in the central cavity of the head end of the catheter; the top end ball bag is an expandable and retractable ball bag, and is positioned above the various side holes; a