| 摘要 |
<p>The invention pertains to a tool or pliers for effecting a torque bends or twists to orthodontic rectangular arch wire. The pliers have two handles pivotal Iy associated by a core, the core having a slot therein. One of the handles has a bifurcated head with the other handle having a single head adapted to fit within said bifurcated head and pivot on the core. The bifurcated headed handle has at least one slide reciprocally associated with a side of the bifurcated headed handle, the slide having a slot in an end thereof , the slide being manipulated so that its slot into aligned association with the slot in the core. The core is detachably secured to the single headed handle. Slots are in the single and bifurcated headed handles to access their bores so that all the slots can be aligned to accept an arch wire being passed through the slots in the handles and into the slots of the core and slide. Squeezing of the handles causes relative rotation between the core and slide to impart a twist to the wire. The degree of twist can be adjustably controlled. Preferably, there are two slides, one in each side of the bifurcated headed handle.</p> |
