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1. 发明申请

US20040143269A1 Cutting device for cutting bone tissue 审中-公开
标题翻译：用于切割骨组织的切割装置
公开(公告)号：US20040143269A1
公开(公告)日：2004-07-22
申请号：US10683669
申请日：2003-10-17
申请人： Universitaet Hannover , Medizinische Hochschule Hannover
发明人： Frank Pude , Hartmut Louis , Ludger Kirsch , Carl Joachim Wirth , Staphan Schmolke
IPC分类号： A61B017/16
CPC分类号： A61B17/3203 , A61B17/1644 , A61B17/1764 , A61B2017/1648 , A61B2217/005
摘要： A cutting device (1) for cutting bone tissue (3), which is particularly intended for correcting malpositions, and which enables a segment of the bone tissue (3) to be cut along a predetermined cut surface (5). The cutting device (1) produces a high pressure fluid jet (2) which is guided by a control program stored in a control unit (4) to produce a cut surface (5) having a desired configuration, for example, a circular arc shape. The resulting bone parts (6, 7), created in this manner, can be fixed in a corrective position (8) with little effort and without significant loss of material. A collector (9), which is equipped with a supply line (14) for supplying a rinsing liquid and with a suction line (13), is provided for collecting the fluid from the fluid jet (2). Collector (9) simultaneously serves to reduce the energy remaining in the high-pressure fluid jet (2). A cut surface (5) having a freely selectable shape can be produced by the cutting device (1) and can be obtained without any difficulty by using automated handling systems. The cutting device of the invention enables a significant broadening of the field of use and of the design freedom for an orthopedic surgeon together with a use that preserves bone tissue.
摘要翻译：一种用于切割骨组织（3）的切割装置（1），其特别是用于校正不正常的位置，并且使得能够沿预定的切割表面（5）切割所述骨组织（3）的一部分。切割装置（1）产生高压流体喷射（2），其由存储在控制单元（4）中的控制程序引导，以产生具有所需构造的切割表面（5），例如圆弧形状。以这种方式产生的所得到的骨部件（6,7）可以很少的力量固定在校正位置（8），而不会明显地损失材料。设置有用于供应冲洗液体和吸入管线（13）的供应管线（14）的收集器（9），用于从流体射流（2）收集流体。收集器（9）同时用于减少高压流体射流（2）中剩余的能量。可以通过切割装置（1）制造具有可自由选择的形状的切割面（5），并且可以通过使用自动处理系统无困难地获得。本发明的切割装置能够使矫形外科医生的使用领域和设计自由度的显着拓展以及保持骨组织的用途。

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