Andrew Wald,Bruce M. Burg,Steven L. Hartmann,Brad Jacobsen,Jeffrey Swetnam
申请号：
US15339061
公开号：
US20170042621A1
申请日:
2016.10.31
申请国别(地区):
US
年份:
2017
代理人:
摘要：
An electromagnetic device includes a jig and multiple wires. The jig includes a center member and coil-separating blocks. The coil-separating blocks protrude from the center member and are separated from each other to provide a coil channels. Each of the wires is wrapped on the jig, around the center member, and in one of the coil channels to form one of a multiple coils. Each of the coils is configured to connect to an electromagnetic navigation system and generate respective electromagnetic fields to be emitted relative to a subject.
