Operation of a remote medical navigation system using ultrasound image
5 Assignments
0 Petitions
Accused Products
Abstract
A method of operating a remote medical navigation system using ultrasound, employs ultrasound imaging from a medical device to supplement or to replace conventional x-ray imaging of the operating region during navigation.
-
Citations
87 Claims
-
1-2. -2. (canceled)
-
3. A method of operating a remote navigation system that moves the distal end of a medical device in an operating region in a subject using as reference internally acquired ultrasound imaging with an ultrasound imaging catheter and system, the method comprising:
- ultrasonically imaging the operating region;
registering the ultrasonic imaging system relative to the remote navigation system by marking two points in the distal portion of the ultrasound catheter on a pair of X-ray images, as well as an additional third point in the pair of X-ray images, marking similar points in the ultrasound image, and thence determining a spatial mapping between the remote navigation system and the ultrasound imaging system;
fusing the ultrasound image plane with three dimensional pre-operative data on the remote navigation system;
marking a target location on the fused image plane; and
using computer-controlled remote navigation to orient the distal end of the medical device in a desired direction of movement with reference to the ultrasound image display, to navigate the medical device to the selected target location.
- ultrasonically imaging the operating region;
-
4. A method of operating a remote navigation system that moves the distal end of a medical device in an operating region in a subject using as reference internally acquired ultrasound imaging with a localized ultrasound imaging catheter and system, the method comprising:
- ultrasonically imaging the operating region;
registering the ultrasonic imaging system relative to the remote navigation system by using localization information corresponding to the ultrasound imaging catheter, and thence determining a spatial mapping between the remote navigation system and the ultrasound imaging system;
fusing the ultrasound image plane with three dimensional pre-operative data on the remote navigation system;
marking a target location on the fused image plane; and
using computer-controlled remote navigation to orient the distal end of the medical device in a desired direction of movement with reference to the ultrasound image display, to navigate the medical device to the selected target location. - View Dependent Claims (5, 6, 7)
- ultrasonically imaging the operating region;
-
8-54. -54. (canceled)
-
55. A remote medical navigation system for remotely orienting the distal end of a medical device in an operating region in a subject, the system comprising:
-
a subject support; and
a pair of generally opposed magnet units disposed on opposite sides of a subject on the support, each magnet unit comprising a magnet and a support for moving the magnet to selectively change the direction of a magnet field applied at an operating point between the magnet units, one of the pair of magnet units being disposed above the subject support, and the other of the pair of magnet units being disposed below the subject support; and
a display on the magnet unit disposed above the subject support for displaying an image of the subject on the subject support. - View Dependent Claims (56, 57, 58, 59, 60, 61, 62, 63, 64)
-
-
65-81. -81. (canceled)
-
82. A method of navigating the distal end of a medical device through a body lumen, the method comprising:
-
ultrasonically imaging the portion of the body lumen surrounding the distal end of the medical device;
displaying an image of the portion of the body lumen surrounding the distal end of the medical device;
orienting the displayed image by comparing the image of the portion of the body lumen with a three dimensional reconstruction of the body lumen to locate the distal end of the medical device relative to the preoperative reconstruction. - View Dependent Claims (83, 84, 85, 86)
-
-
87-91. -91. (canceled)
Specification