Extraperitoneal air bag dilator

• Main Authors: SUN XINXING, YING FEIFEI
• Format: Patent
• Language: Chinese; English
• Published: 24.05.2022
• 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 discloses an extraperitoneal balloon dilator which comprises an inner tube, an outer tube and a balloon, threads are arranged on the inner wall of the outer tube, the outer tube is arranged outside the inner tube in a sleeved mode, the inner tube penetrates through the outer tube, the balloon is arranged at the bottom of the inner tube, a threaded tube is fixedly arranged at the position, close to the balloon, of the outer wall of the inner tube, and the threaded tube is in threaded connection with the outer tube. The length of the portion, extending out of the outer tube, of the balloon is changed by changing the relative height of the inner tube and the outer tube, then the size of the balloon after expansion is changed, the use scene range of the extraperitoneal balloon dilator is expanded, practicability is higher, the air inlet, the air outlet and the one-way valve are integrated on the valve head to be rotationally connected with the inner tube, and the balloon dilator is more convenie