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Instruments with location markers and methods for tracking instruments through anatomical passageways
专利权人:
J. Nelson Wright
发明人:
J. Nelson Wright,Steven C. Dimmer
申请号:
US10585494
公开号:
US09623208B2
申请日:
2005.01.12
申请国别(地区):
US
年份:
2017
代理人:
摘要:
Instruments and methods for tracking such instruments in a human patient. One embodiment of an instrument in accordance with the invention comprises an elongated body, such as an elongated flexible member, which has a distal section configured to be passed through a vessel or other passageway in a human. The instrument can further include a lumen through the distal section and a magnetic marker having a transponder at the distal section. The transponder includes a circuit configured to be energized by a wirelessly transmitted magnetic excitation energy and to wirelessly transmit a magnetic location signal in response to the excitation energy. The magnetic marker, for example, can be attached to or otherwise integral with the instrument.
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中国工程科技知识中心
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