Patent ID: 8265732

Claim:
A catheter locator system comprising: a processor; a display device operatively connected to the processor; a detector device operatively connected to the processor, the detector device being configured to be positioned over a predetermined location of a subject; a coil operatively connected to the processor, the coil being configured to be inserted into a catheter; a memory device storing: (a) a first predetermined line representative of a mid-sagittal line of a subject; (b) a second predetermined line representative of a diaphragm of the subject; and (c) instructions which when executed by the processor, cause the processor to, in cooperation with the display device, the detector device, the coil and the memory device, while the coil is being advanced or removed from the catheter: (a) display the first predetermined line representative of the mid-sagittal line of the subject and the predetermined line representative of the diaphragm of the subject; (b) for an esophageal segment, determine and display a first number indicative of a first distance from the coil to the detector device; (c) for a stomach segment, determine and display a second number indicative of a second distance from the coil to the detector device; (d) for a pylorus segment, determine and display a third number indicative of a third distance from the coil to the detector device; and (e) for a duodenum segment, determine and display a fourth number indicative of a fourth distance from the coil to the detector device.