Orthofix S.r.l.

Giancarlo Marazzi

Daniele Venturini

Michele Coati

Graziano Marini

Luigi Rossi

Graziano Rossi

Daniele Verturini

Endosseous screw () for fixing a plate () to a bone site (), comprising an at least partially threaded shaft (), insertion means for inserting the screw into a bone site and a distal portion () provided for engaging said plate to fasten it to said bone site and comprising a head () having facets () defining an external peripheral profile provided for engagement with a tubular manipulating wrench, to allow the screw () to be extracted from the bone site () into which it has been inserted, wherein the facets () are curvilinear and the external peripheral profile defined by same facets () has a convex barrel-like shape, in order to allow a stable coupling between the tubular manipulating wrench and said profile, which is maintained during the untightening phase of screw from plate, even when said tubular manipulating wrench is oriented in an inclined direction with respect to a longitudinal axis (x) of the endosseous screw ().

Endosseous screws and orthopaedic device to assist the rigid osteosynthesis of fractures

An intramedullary nail () suitable for insertion in a fractured elongate bone (), of the type comprising a stem () extended between a proximal end () and a distal end (). The nail comprises a plurality of elements () realized with at least one shape-memory material, a plurality of seats () formed in the stem () for housing the elements (). The elements () are suitable to take a first shape wherein they are retractably housed in the respective seats () and a second shape wherein they project from the respective seats ().

Intramedullary nail comprising elements of shape-memory material

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Milan, Italy

Giancarlo Marazzi