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Multilayer planar spiral inductor filter for medical therapeutic or diagnostic applications
专利权人:
发明人:
Kishore K. Kondabatni,Christine A. Frysz
申请号:
US13958604
公开号:
US09468750B2
申请日:
2013.08.04
申请国别(地区):
US
年份:
2016
代理人:
摘要:
A multilayer helical wave filter having a primary resonance at a selected RF diagnostic or therapeutic frequency or frequency range, includes an elongated conductor forming at least a portion of an implantable medical lead. The elongated conductor includes a first helically wound segment having at least one planar surface, a first end and a second end, which forms a first inductive component, and a second helically wound segment having at least one planar surface, a first end and a second end, which forms a second inductive element. The first and second helically wound segments are wound in the same longitudinal direction and share a common longitudinal axis. Planar surfaces of the helically wound segments face one another, and a dielectric material is disposed between the facing planar surfaces of the helically wound segments and between adjacent coils of the helically wound segments, thereby forming a capacitance.
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