REUSABLE ANORECTAL LIGATION DEVICE

• Main Authors: LI, Zhengyang, WANG, Shugang, XU, Zhenfeng, WANG, Ruixia, CHENG, Wensheng, YU, Bin, GUO, Guohong, WANG, Qiang, HOU, Xiaofei
• Format: Patent
• Language: English; French; German
• Published: 31.03.2021
• Subjects: DIAGNOSIS; HUMAN NECESSITIES; HYGIENE; IDENTIFICATION; MEDICAL OR VETERINARY SCIENCE; SURGERY

Disclosed is a reusable anorectal ligation device, which is gun-shaped as a whole and comprises a handle, and a ligation mechanism detachably connected to the handle, wherein the handle is internally provided with a shooting mechanism for shooting the ligation mechanism, and a suction mechanism; the ligation mechanism comprises an inner gun barrel (21), a pushing sleeve (22), and a suture-tightening assembly (23) for ligation of lesion tissue; the pushing sleeve (22) is provided on the inner gun barrel (21) and can generate displacement relative to the inner gun barrel (21); an anti-reset structure for preventing the pushing sleeve (22) from being reset after displacement is provided between the pushing sleeve (22) and the inner gun barrel (21); the suture-tightening assembly (23) is mounted on the pushing sleeve (22); the shooting mechanism comprises a shooting switch (31), a guiding and pushing block (32), and a ventilation pipe top seat (33); and the handle is further internally provided with an electric control apparatus (5) for controlling a negative pressure pump (42). The ligation device can prevent medical workers from reusing the ligation mechanism, which acts as a disposable consumable item, so that infection can be prevented, and the operation thereof is safe.