A kind of direction adjustment mechanism, suction device and application of direction adjustment mechanism

Abstract

A direction adjustment mechanism, including a head, a snake bone assembly, a tail, a runner assembly, a traction rope and a control piece; the head, snake bone assembly, tail and runner assembly are arranged in sequence; the snake bone assembly includes a plurality of sequentially hinged connections One end of the snake bone assembly is connected to the head, and the other end of the snake bone assembly is connected to the tail; the runner assembly includes a runner, a threaded rod and a screw, and one end of the runner and the threaded rod is fixedly connected, and the screw is sleeved on the On the threaded rod, the threaded rod can be screwed in or out relative to the screw; the traction rope is wound around the head, the snake bone assembly, the tail and the periphery of the runner to form a ring; the control part is connected with the traction rope, and the control part can be moved to control Drive the traction rope to tighten or relax when the parts move. The above-mentioned steering mechanism is equipped with a snake bone assembly, and the snake bone assembly can be controlled to bend by the traction effect of the traction rope, so that the steering mechanism can go deep into the lesion to work. In addition, a suction device including the steering mechanism and applications of the steering mechanism are also provided.

Description

technical field [0001] The invention relates to the technical field of medical instruments, in particular to a steering mechanism, a suction device, and the application of the steering mechanism. Background technique [0002] The suction device is used to suck the contents of bleeding, exudate, pus, and chest viscera during the operation, so as to make the operation clear and reduce the chance of contamination. The principle of the aspirator is very simple, that is to create the negative pressure state of its suction head through a certain method, so that the atmospheric pressure will squeeze the material outside the suction head to the suction head, thus completing the "attraction" effect. [0003] The suction head of the traditional suction device is usually made of hard material, and the head cannot be bent freely to attract the effusion in the lesion. For some lesion parts, because of the presence of multiple bending angles, the suction head cannot go deep, and the suct...

AI Technical Summary

Problems solved by technology

[0003] The suction head of the traditional suction device is usually made of hard material, and the head cannot be bent freely to absorb the effusion in the lesion

For some lesions, the suction head cannot penetrate deeply due to the existence of multiple bending angles, and the suction device cannot reach the effective part to work

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