发明名称 |
METHOD AND APPARATUS FOR MAGNETIC WAVEGUIDE FORMING A SHAPED FIELD EMPLOYING A MAGNETIC APERTURE FOR GUIDING AND CONTROLLING A MEDICAL DEVICE |
摘要 |
A system that uses a magnetic aperture and electromagnets to configure a magnetic shaped field is described. In one embodiment, the system can be used for guiding a catheter or other devices through a patient's body. In further modification of the system, the waveguide field and field gradient is achieved by the use of varying the electromagnetic wave and its respective flux density axis. In one embodiment, one or more magnetic pole pieces (electromagnet cores) are configured with anisotropic permeability to control the shape of the resulting magnetic field. In one embodiment, the shape and permeability distribution in an electromagnet poleface is configured to produce the desired field distribution. In one embodiment, a number of electromagnets are arranged in a spherical pattern to produce a desired magnetic field in an enclosed spherical region. In one embodiment, a distal end of a catheter is provided with a plurality of magnets having different coercivity to allow improved control of the position and orientation of the distal end |
申请公布号 |
EP2436098(A4) |
申请公布日期 |
2014.08.27 |
申请号 |
EP20100781114 |
申请日期 |
2010.05.26 |
申请人 |
MAGNETECS, INC;SHACHAR, YEHOSHUA |
发明人 |
SHACHAR, YEHOSHUA;FARKAS, LASZLO;FARKAS, LESLIE |
分类号 |
H02K1/00;A61B1/00;A61B19/00;A61M25/01 |
主分类号 |
H02K1/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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