METHOD FOR DETERMINING STATE OF BONE DEFORMATION COMPONENTS AND PARAMETERS REQUIRED FOR ITS SURGICAL CORRECTION Russian patent published in 2024 - IPC A61B5/103 A61B6/02 

FIELD: medicine; traumatology; orthopedics.

SUBSTANCE: invention can be used to measure the value of deformation of long bones. Orthogonal projection of the axis of the upper bone segment is plotted on the angulation plane passing through the axis of the lower bone segment parallel to the axis of the upper bone segment. At the point of intersection of the axis of the lower bone segment and the orthogonal projection of the axis of the upper bone segment on the angulation plane, the position of the projection apex of angulation is found, which corresponds to the osteotomy level; equal vertical upper and lower angulation angles formed at intersection of the orthogonal projection of the axis of the upper bone segment on the angulation plane with the axis of the lower bone segment are measured. Bisector of the angle formed by the upper part of the axis of the lower segment of the deformed bone and the lower part of the orthogonal projection of the axis of the upper segment of the deformed bone on the angulation plane is plotted. Value of shortening of the deformed bone is determined, and an orthogonal projection of the axis of the upper segment of the bone on the plane of angulation is extended downwards by the value of this shortening. Then the newly formed lower end of the elongated orthogonal projection of the axis of the upper bone segment is connected in the angulation plane to the lower end of the axis of the lower bone segment by a segment, from the middle of which a perpendicular is constructed to intersect with the bisector of the angle formed by the upper part of the axis of the lower segment of the deformed bone and the lower part of the orthogonal projection of the axis of the upper segment of the deformed bone on the angulation plane. At the point corresponding to the position of the axis of angulation and shortening, the distance between the projection vertex of angulation and the point of the axis of correction of angulation and shortening is measured.

EFFECT: method provides determining the state of bone deformation components and parameters required for its surgical correction.

1 cl, 10 dwg, 2 ex