METHOD FOR PRODUCING STEREO LITHOGRAPHIC MODELS AND BIOLOGICAL IMPLANTS USABLE IN CRANIO-MAXILLOFACIAL SURGERY Russian patent published in 2003 - IPC

Abstract RU 2196543 C1

FIELD: medical engineering. SUBSTANCE: method involves building three-dimensional computer image of a biological object when scanning coordinate table with minimum step in high resolution mode in keeping patient body immovable until complete set of tomograms is produced. Data for restoring bone structures of given density are selected from tomographic data array by defining cut-off level based on intensity gradient coefficient value enclosed between 0 and 225 to enable one to build stereo lithographic model. EFFECT: accelerated operation; satisfactory cosmetic result. 10 dwg, 2 tbl

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RU 2 196 543 C1

Authors

Roginskij V.V.

Popov V.K.

Evseev A.V.

Panchenko V.Ja.

Ivanov A.L.

Dates

2003-01-20—Published

2001-04-26—Filed