초록 ▼

A magnetic position and orientation determining system uses magnetic fields, desirably including uniform fields from Helmholtz coils positioned on opposite sides of a sensing volume and gradient fields generated by the same coils. By monitoring field components detected at the probes during applicat

A magnetic position and orientation determining system uses magnetic fields, desirably including uniform fields from Helmholtz coils positioned on opposite sides of a sensing volume and gradient fields generated by the same coils. By monitoring field components detected at the probes during application of these fields, the position and orientation of the probe in the field can be deduced. A representation of the probe can be superposed on a separately acquired image of the subject to show the position and orientation of the probe with respect to the subject.

대표청구항 ▼

1. A method of making a magnetic sensor comprising the steps of securing a plurality of magnetically sensitive elements each having a sensitive direction to a generally planar, sheetlike support, and then folding said support so that portions of said support bearing different magnetically sensitive

1. A method of making a magnetic sensor comprising the steps of securing a plurality of magnetically sensitive elements each having a sensitive direction to a generally planar, sheetlike support, and then folding said support so that portions of said support bearing different magnetically sensitive elements lie in different planes.