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Appareil de perforation pour chirurgie osseuse. Ulrich Max, October 14, 1977: FR2344267-A1 (32 worldwide citation)

The drill instrument is used for forming drilled channels extending in curves in the bone. To this end, a guide tube (2) curved in a manner corresponding to the drilled channel is secured on a handpiece (1) of the drill instrument. The guide tube (2) is designed at its front end as a bearing (3) for ...


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