Cable tightener

Abstract

The invention discloses a cable tightener in medical equipment, which is used for tightening a cable. The cable tightener comprises a barrel body, a trigger and a grip, wherein a front connection barrel body is arranged at the front end of the barrel body; a front cable passage is arranged inside the front connection barrel body; a front cable locking mechanism can lock a cable in the front cable passage; a front clamp ring and a rear clamp ring are arranged in the barrel body; a mandrel in the barrel body is movably supported in the through holes of the front clamp ring and the rear clamp ring and extends out of the barrel body; a rear connection barrel body is arranged at the rear end of the mandrel; a rear cable passage is arranged inside the rear connection barrel body; a rear cable locking mechanism can lock a cable in the rear cable passage; the mandrel is sleeved with a driving plate, and the driving plate is located behind the front clamp ring and hinged to the trigger; a locking component is arranged at the rear end of the barrel body; and the trigger can be pressed backwards to enable the driving plate to drive the mandrel and a rear cable pressing component to move backwards. The cable tightener has the advantages of one-hand operation, high working efficiency, capability of tightening cables in different sizes, and the like.

Description

technical field [0001] The invention relates to the field of medical equipment, in particular to a cable tightener for tightening bundled cables. Background technique [0002] During orthopedic surgery, it is often necessary to use cables to bind the fractured and fractured parts. At this time, it is necessary to use a cable tightener to tighten the cables passing through the flat joint or locking buckle. . The traditional cable tightener includes a sleeve, a back cover and a handle. The tail of the sleeve extends into the back cover from the front end of the back cover, and the handle extends into the back cover from the rear end of the back cover; the sleeve is connected to the handle. The handle is threadedly connected with the inner wall of the rear sleeve; the casing has a lower recess located in front of the rear sleeve, and a screw rod is pierced on the lower recess, and a threading hole is opened on the screw rod and a fastening nut is provided on the screw rod. The...

AI Technical Summary

Problems solved by technology

[0003] This kind of cable tightener has the following disadvantages: 1. It adopts the method of turning the handle to drive the sleeve back to tighten the cable. On the one hand, such a cable tightening method makes the operator have to operate with both hands when using it, which is very inconvenient , and when the operator is holding other medical instruments in one hand, he cannot complete the work of tightening the cables alone; on the other hand, the speed of tightening the cables is relatively slow, and when multiple When using cables, the operation ti

Images