Orthognatic Sawing and Positioning Implant

Abstract

The invention concerns a bone joining implant ( 1 ) for joining of a first bone section ( 2 ) with a second bone section ( 3 ) of a mammal bone ( 4 ) with a first attachment area ( 6 ), displaying several holes for fastening elements ( 5 a ), prepared for attachment to the first bone section ( 2 ), and a second attachment area ( 7 ), linked to the first attachment area ( 6 ), with the second attachment area ( 7 ) also displaying several holes for fastening elements ( 5 b ), also prepared for attachment to the second bone section ( 3 ), with formation of a separating tool guidance contour ( 9 ) between the first and second attachment areas ( 6, 7 ), defining a cutting line ( 8 ), as well as a procedure for the individualized manufacture of such a bone joining implant ( 1 ).

I claim: 
     
         1 . A bone forming implant adapted to join a first bone section with a second bone section or several bone sections of a mammal bone, said bone joining implant comprising a first attachment area having holes for fastening elements for attachment of said first attachment area to the first bone section, a second attachment area linked to the first attachment area, with the second attachment area having several holes for fastening elements for attachment of said second attachment area to the second bone section, and a separating tool guidance contour defining a cutting line between the first and second attachment areas. 
     
     
         2 . The bone joining implant of  claim 1 , wherein said separating tool guidance contour is bar shaped. 
     
     
         3 . The bone joining implant of  claim 1 , wherein said separating tool guidance contour comprises a bridging bar linked with the first attachment area and/or the second attachment area. 
     
     
         4 . The bone joining implant of  claim 1 , wherein said separating tool guidance contour comprises a frame structure formed between the first and second attachment areas. 
     
     
         5 . The bone joining implant of  claim 1 , the attachment areas and the separating tool guidance contour being made from the same substance. 
     
     
         6 . The bone joining implant of  claim 1 , the bone joining implant being manufactured from a metal substance, preferably a titanium substance. 
     
     
         7 . The bone joining implant of  claim 1 , further comprising a second separating tool guidance contour positioned between the second attachment area and a third attachment area, said second separating tool guidance contour defining a cutting line ( 17 ) between said second and third attachment areas, with the third attachment area having holes for fastening elements for attachment of said third attachment area to the first bone section. 
     
     
         8 . The bone joining implant of  claim 1 , wherein said mammal bone is a maxilla bone or mandible bone. 
     
     
         9 . A method for the individualized manufacture of the bone joining implant of  claim 1 , comprising the following steps:
 a) Obtaining a 3D model of the existing condition of the mammal bone in a first data set;   b) Creation of a 3D target model with a second data set, defining at least one cutting line on the 3D model of the existing condition and relative shifting of two imaginary bone sections, in relation to each other, separated by at least one cutting line, and   c) Manufacture of the bone joining implant based on the 3D target model, where the first attachment area for attachment to the first bone section of the 3D target model, the second attachment area for attachment to the second bone section of the 3D target model and the separating tool guidance contour are formed by, at least, partial recreation of at least one cutting line.   
     
     
         10 . The bone joining implant of  claim 2 , wherein said separating tool guidance contour comprises a bridging bar linked with the first attachment area and/or the second attachment area. 
     
     
         11 . The bone joining implant of  claim 10 , wherein said separating tool guidance contour comprises a frame structure formed between the first and second attachment areas. 
     
     
         12 . The bone joining implant of  claim 11 , the attachment areas and the separating tool guidance contour being made from the same substance. 
     
     
         13 . The bone joining implant of  claim 12 , the bone joining implant being manufactured from a metal substance, preferably a titanium substance. 
     
     
         14 . The bone joining implant of  claim 13 , wherein said mammal bone is a maxilla bone or mandible bone. 
     
     
         15 . The bone joining implant of  claim 7 , wherein said first separating tool guidance contour comprises a frame structure formed between the first and second attachment areas and said second separating tool guidance contour comprises a second frame structure formed between the second and third attachment areas. 
     
     
         16 . The bone joining implant of  claim 15 , the attachment areas and the separating tool guidance contours being made from the same substance. 
     
     
         17 . The bone joining implant of  claim 16 , the bone joining implant being manufactured from a metal substance, preferably a titanium substance. 
     
     
         18 . The bone joining implant of  claim 17 , wherein said mammal bone is a maxilla bone or mandible bone.