Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Dal Ho Lee0
Date of Patent
December 13, 2011
0Patent Application Number
123135910
Date Filed
November 21, 2008
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A piezotome operation unit for lifting a maxillary sinus at a position of placement of an implant upon lifting the maxillary sinus, which forms and enlarges the vertical hole with ease in a remaining bone of the maxillary sinus though vertical approaching, and upon forming a lateral window below a malar bone through lateral approaching, prevents a maxillary membrane from becoming damaged, thereby ensuring continuous, safe lifting so that the operating time is shortened and the efficiency of the operation is maximized.
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