Linear expander for the progressive correction of craniofacial d

Details Linear expander for the progressive correction of craniofacial d Linear expander for the progressive correction of craniofacial d

1997-02-21

2000-03-14

Buiz, Michael

Surgery

Instruments

Orthopedic instrumentation

A61B 1756

Patent

active

060366907

ABSTRACT:
Linear expander for progressive correction of craniofacial deformations. It consists in two elements which are movable longitudinally with respect to one another, are driven by an actuating element arranged between them and are intended to cause mutual displacement of the portions of tissue to which they are applied by means of the injection of a fluid. The expander also comprises an inflatable element, made of flexible and elastic material, which actuates a movable element adapted to cause separation of the bony tissue to which it is applied from the remainder of the bony tissue anchored to the fixed element of the expander. Said movable element has its free end shaped as a hook in order to be applied under the edge of the portion of bony tissue opposite that in which the fixed element, which may have a similar hook, is anchored.

REFERENCES:
patent: 3976060 (1976-08-01), Hildebrandt et al.
patent: 4157715 (1979-06-01), Westerhoff

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