Bone distraction device
OwnerMichael Butschinventor
Life of this patent
Estimating the term…
Abstract
A distraction device for moving apart a bone, present in one or more parts and possibly separated, so as to extend or bridge a bone fissure, comprising an intramedullary nail which can possibly be introduced into a medullary space of a bone and has at least two elements which can be axially displaced in relation to each other. To effect said displacement at least one working device is joined to the element and a movable retaining element which is supported on the element.
Claims29
A distraction device comprising a first element (1) and a second element (2), a holding element (10) engages on the first element (1), at least one working device (11) connected to the second element (2) and to the holding element (10), a tensioning device (12) fitted between the holding element (10) and the second element (2), means for contracting the at least one working device (11) for moving the first element (1) and second element (2) axially relative to each other in a first direction, and means for contracting the tensioning device for moving the first element (1) and the second element (2) axially relative to each other in a second direction opposite to the first direction.
Dependencies are inferred from the claim text.