根据微型零件中圆孔的成像特点，为了实现其高精度定位，提出了基于双三次样条插值的圆孔定位方法。
The numerical example showed that SSPI method had higher accuracy and better practicability than the method of cubic spline collocation.
目的为临床提供三叉神经节穿刺术的应用解剖学资料，探讨机器人导航下卵圆孔定位在三叉神经节热凝术中的临床应用价值。
Objective To study the microanatomy of trigeminal ganglion region and clinical value of robot CAS-R-2 assisted system in percutaneous controlled radiofrequency rhizomy for trigeminal neuralgia.
同时对42例定位困难的三叉神经痛病人，在射频热凝治疗术中应用X线、三维CT或导航进行卵圆孔定位或在术中验证靶点。
X-ray 3D-CT and navigation oval foramen locations were used in 42 cases intractable location so that the direction and position could be defined for trigeminal neuralgia.
同时对42例定位困难的三叉神经痛病人，在射频热凝治疗术中应用X线、三维CT或导航进行卵圆孔定位或在术中验证靶点。
X-ray 3D-CT and navigation oval foramen locations were used in 42 cases intractable location so that the direction and position could be defined for trigeminal neuralgia.
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