Bending control mechanism, handle assembly, endoscope and endoscope system

• Main Authors: SHI JINQIU, SHI ZICHEN, LI ZHONGHUA
• Format: Patent
• Language: Chinese; English
• Published: 05.05.2023
• Subjects: DIAGNOSIS; HUMAN NECESSITIES; HYGIENE; IDENTIFICATION; MEDICAL OR VETERINARY SCIENCE; SURGERY

The invention provides a bending control mechanism, a handle assembly, an endoscope and a system. The bending control mechanism is used for being connected with a handle of the endoscope and used for controlling an insertion part of the endoscope to bend or unbend; the bending control mechanism comprises a base; the driving assembly is rotatably connected to the base, the driving assembly is provided with at least one wire slot group, the wire slot group comprises a positioning slot and a threading channel which are communicated with each other, and the threading channel is used for threading a stay wire; the transmission assembly comprises at least one positioning part, the positioning part is contained in one positioning groove, and the positioning part is connected with the stay wire; and the positioning part tightens or releases the stay wire along with the rotation of the driving assembly. The bending control mechanism is simple in structure and can effectively control the insertion part to complete pres