Adjustable bent sheathing canal adjusting handle and adjustable bent sheathing canal system

Abstract

The invention discloses an adjustable bent sheathing canal adjusting handle and an adjustable bent sheathing canal system. The adjustable bent sheathing canal adjusting handle comprises a shell, a cam, a sliding block, a core tube, a guide tube and a pull wire; the core tube is arranged in the shell, and the core tube is provided with a sliding groove; the cam is rotatably arranged in the shell, and the cam is provided with a guide groove; the sliding block comprises a connecting portion and a sliding portion, the connecting portion and the sliding portion are connected with each other, the connecting portion is arranged in the guide groove, and the sliding portion is located in the sliding groove; the guide tube penetrates through the core tube; the tail end of the pull wire is provided with an anchor block, the anchor block is located in the sliding groove, and the head end of the pull wire sequentially penetrates through the sliding block and the core tube and enters the guide tube;the cam is used for driving the sliding block to move along the sliding groove after rotating, the sliding block is used for driving the anchor block to move, and the anchor block is used for pullingthe pull wire. Therefore, the position and the angle of the distal end of a catheter can be adjusted by operating handle, the operation is simple, and the lesion position can be accurately reached.

Description

technical field [0001] Embodiments of the present invention relate to medical appliances, in particular to an adjustable bend sheath tube adjustment handle and an adjustable bend sheath tube system. Background technique [0002] Clinically, during surgical procedures such as biopsy sampling, bacteriological, and cytological examinations of lesions using respiratory endoscopy, the sheath (catheter) is often used as a channel to facilitate access to the lesions. [0003] In the prior art, it is very difficult to adjust the position of the sheath tube, and the operation requirements of the doctor are extremely high, and it is also difficult to stably maintain the sheath tube at the current position after the position adjustment is completed. [0004] Therefore, how to provide an adjustable curved sheath tube adjustment handle and an adjustable curved sheath tube system with simple operation and accurate adjustment is an urgent problem to be solved. Contents of the invention ...

AI Technical Summary

Problems solved by technology

[0003] In the prior art, it is very difficult to adjust the position of the sheath, and it requires extremely high operating requirements for the doctor, and after the position adjustment is completed, it is also difficult to keep the sheath stably at the current position

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