METHOD OF MAKING A PERSONALIZED PRECISION BIOIMPLANT FOR SINGLE-STEP BONE DEFECT REPLACEMENT Russian patent published in 2016 - IPC A61F2/28 A61B17/88 

FIELD: medicine.

SUBSTANCE: invention relates to medicine, namely to traumatology. Computer tomography examination of a biological object is performed for one-step bone defect replacement, image of the area of bone structures of certain density is created with covering 0.2-0.4 cm of intact bone tissue at the edges of the bone defect. Hybrid parametric simulation of a triangular computer model of the implant is performed with reconstruction of missing fragments of the resected bone defect with its subsequent topological optimization. Computer model of the implant is edited depending on distribution of load lines and direction of an extremity axis. Computer model of a topologically optimized matrix is created according to volume parameters of the edited bone defect, and holes for supplying liquid filler substance and air evacuation are formed in it. Then a matrix is made on a 3D printer, it is added to liquid filler substance, after hardening the substance, the matrix is dissolved, the remaining bioimplant is sterilized and placed into the package.

EFFECT: method eliminates additional radiation exposure on a patient, provides higher accuracy, personalizing and bioimplant fixation stability, provides an elastic compression by bone tissue.

1 cl, 1 ex