公开(公告)号：US07341063B2

公开(公告)日：2008-03-11

申请号：US11389547

申请日：2006-03-24

申请人： Jeffrey M. Garbibaldi ,  Roger N. Hastings

发明人： Jeffrey M. Garbibaldi ,  Roger N. Hastings

IPC分类号： A61B19/00

CPC分类号： A61B17/3421 ,  A61B1/00158 ,  A61B34/73 ,  A61B90/36 ,  A61B2018/00023 ,  A61M25/0127

摘要： A method of navigating a medical device having a changeable magnetic moment within an operating region within a patient, the method includes applying a navigating magnetic field to the operating region with an external source magnet, and changing the direction of the magnetic moment in the medical device to change the orientation of the medical device in a selected direction within the operating region. The magnet moment of the medical device can be created by one or more electromagnet coils, in which case the magnetic moment can be changed by changing the current to the coil. Alternatively, the magnetic moment of the medical device can be created by one or more permanent magnets, in which case the magnetic moment can be changed by mechanically or magnetically manipulating the permanent magnet.

摘要翻译： 一种在患者体内的操作区域内导航具有可变磁矩的医疗装置的方法，所述方法包括：利用外部源磁体对操作区域施加导航磁场，以及改变医疗装置中的磁矩方向 以在操作区域内沿所选择的方向改变医疗装置的方向。 医疗装置的磁矩可以由一个或多个电磁线圈产生，在这种情况下，可以通过改变线圈的电流来改变磁矩。 或者，医疗装置的磁矩可以由一个或多个永磁体产生，在这种情况下，可以通过机械或磁力操纵永久磁铁来改变磁矩。