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DEVICE AND METHOD FOR PREPARING A RECESS IN A BONE

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专利内容由知识产权出版社提供

专利名称:DEVICE AND METHOD FOR PREPARING A

RECESS IN A BONE

发明人:Klaus Dorawa,Urs Weber,Philipp

Seiler,Laurent Torriani

申请号:US14525537申请日:20141028

公开号:US20150045838A1公开日:20150212

专利附图:

摘要:A punching device for preparing a recess in a bone has a punching tool usablefor such a punching device. An implant usable with the punching tool is provided and a

method for preparing a recess in a bone are disclosed. The punching device comprises anultrasonic sonotrode and a punching tool which is fixable to the sonotrode at its proximalextremity. At its distal extremity, the punching tool has a thin-walled portion having anon-rotational symmetric cross-section. By ultrasonic vibration of the punching tool, thethin-walled portion can be forced into a bone thereby preparing a recess of which is notrotationally symmetric. Subsequently, an implant can be held in such recess. Due to itslack of rotational symmetry, the implant may absorb rotational forces around itslongitudinal axis.

申请人:Stryker Trauma GmbH,Woodwelding AG

地址:Schoenkirchen DE,Stansstad CH

国籍:DE,CH

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