Microcatheter with adjustable head end angle

• Main Authors: HE JINING, YANG MIN, DOU KEFEI, GAO GUOFENG
• Format: Patent
• Language: Chinese; English
• Published: 01.03.2024
• 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 invention provides a micro catheter with an adjustable head end angle, and belongs to the technical field of medical instruments. The microcatheter comprises a catheter body, a catheter head and an end tube, a bent tube is arranged at one end of the catheter head, a push sleeve is slidably connected to the outer surface of the end tube, traction lines are arranged on the surfaces of the catheter body, the catheter head, the end tube and the push sleeve, clamping assemblies are arranged on the surfaces of the push sleeve and the end tube, and the clamping assemblies are used for fixing the relative positions of the push sleeve and the end tube. Self-locking assemblies are arranged on the surfaces of the push sleeve and the end pipe, the self-locking assemblies are used for preventing the push sleeve from reversely sliding on the outer surface of the end pipe, and a reset assembly is arranged on the inner surface of the bent pipe and used for assisting the bent pipe in resetting; the bending tube, the push