Hoffmann® LRF
Circular External Fixation System
Gradual Correction
Based on the long-standing tradition of simplicity of the original Hoffmann Fixator, the Hoffmann family of products are designed to match today’s biological repair and reconstruction methods. Following suit with the Hoffmann LRF’s advanced component foundation, telescopic motors and hinged telescopic struts offered in the Gradual Correction tray augment the Hoffmann LRF platform for indications requiring gradual corrective adjustments. The gradual correction tray introduces telescopic hinge struts and telescopic motor struts for procedures requiring gradual corrective adjustments.
Performance inspired by simplicity
The Hoffmann LRF System includes a streamlined set of components designed to accomplish reconstructive procedures. With fewer subcomponents to assemble and minimal points of adjustment, the struts are designed to be less cumbersome to apply and easier for the patient to adjust.
Engineered with high-performance materials machined to precise tolerances, components are designed to be low-profile, which may improve physical access and radiographic visibility without compromising stability.
Hinged telescopic struts
Designed to align and pivot around a specified axis of rotation. This is accomplished via universal hinged couplings integrated into the telescopic strut’s design.
- Quick release mechanism allows for rapid gross length adjustment.
- Ball-jointed fixation bolts allow the struts to be mounted to rings that are not parallel or of different diameters.
- Length of the strut can be fine-tuned by rotating the quick release mechanism (in a locked position) relative to the threaded portion of the strut. One full revolution represents 2mm of travel.
- Adjustable from 125-150mm in length ring-to-ring.
Telescopic motor struts
The motors are designed with a threaded attachment post to outfit either a constrained or universal hinge coupling. Telescopic motors can be mounted in an anterior or posterior frame location.
- Quick release mechanisms are designed to allow for rapid telescopic length adjustment.
- Clicking mechanism offers visual, audible, and tactile confirmation of an adjustment. Every “click” represents a 1/4mm of travel.
- Dimple markers on clicking mechanism are designed to allow the patient to keep track of daily adjustments.
- Easy to read adjustment scale
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H-AWI-14, 09-2024