Opener for artery catheter unclosed operation

• Main Authors: CHEN GUNXIN, OUYANG XUEJUN, ZHANG JIAQING
• Format: Patent
• Language: Chinese; English
• Published: 12.07.2019
• Subjects: DIAGNOSIS; HUMAN NECESSITIES; HYGIENE; IDENTIFICATION; MEDICAL OR VETERINARY SCIENCE; SURGERY

The utility model relates to a dilator for arterial duct unclosed surgery, which comprises a dilating mechanism and an isolating membrane, the dilating member comprises a first dilating member, a second dilating member and a third dilating member, and the limiting member, the first dilating member, the second dilating member and the third dilating member are sequentially arranged on a hard connecting strip at intervals to form a hollow frame structure; the third strutting piece is of a D-like structure as a whole; and the isolating membrane is coated on the periphery of the opening mechanism to form a hollow isolating structure with openings at two ends. When a single-port thoracic cavity lower artery catheter ligation operation is carried out on an infant, the expander for the artery catheter unclosed operation can be used for exposing the operation visual field, and under the condition that an incision is small so that wounds can be reduced, damage of surgical instruments to surrounding tissue of the artery