A system is disclosed for monitoring the position of a medical instrument with respect to a patient's body and for displaying at least one of a plurality of prerecorded images of said body responsive to the position of said medical instr...
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 mon...
A system for externally locating a sensor in tissue, comprising an external probe including at least first and second electromagnetic output coils with non-parallel longitudinal axes; and output coil driver for alternately energizing the...
A catheter locatable with a non-ionizing field, such as an electromagnetic or acoustic field, has a transmitting or receiving antenna for the relevant field at its tip. Receiving or transmitting antennas for the non-ionizing field are at...
An instrument location determining apparatus for catheters (40) and other like instruments being inserted into a human or animal body (42) comprises a radiating element (41) incorporated within said instrument. A signal energy detector m...
An implantable marking device is provided which is designed to percutaneously deliver permanent markers to desired tissue locations within a patient's body...
A magnetic position and orientation determining system uses magnetic fields, desirably comprising uniform fields from Hehnholtz coils (34, 36, 38) positioned on opposite sides of a sensing volume and gradient fields generated by the same...
There is disclosed an apparatus and method for locating a medical tube within the body of a patient. The medical tube is located by a detection apparatus which senses the static magnetic field strength gradient generated by a magnet asso...
The process and system for locating the position and orientation of an implement in space wherein a varying magnetic field responsive component (14) such as a coil is positioned upon the implement. A magnetic field source (12) excitable ...
A system for externally locating the depth and orientation of a catheter in tissue with an external probe which generates a virtual rotating magnetic field. The catheter includes an inductive coil for developing an induced signal in resp...
